From baefaf18c9d751fe7bbc296d73637460a49c3676 Mon Sep 17 00:00:00 2001
From: Vivek Maurya <vm8118134@gmail.com>
Date: Thu, 26 Dec 2024 09:26:02 +0530
Subject: [PATCH 01/10] feat(add c implementation): add
 stats/base/dists/erlang/mean

---
 .../stats/base/dists/erlang/mean/README.md    |  97 ++++++++++
 .../dists/erlang/mean/benchmark/benchmark.js  |  14 +-
 .../erlang/mean/benchmark/benchmark.native.js |  72 ++++++++
 .../dists/erlang/mean/benchmark/c/Makefile    | 146 +++++++++++++++
 .../dists/erlang/mean/benchmark/c/benchmark.c | 144 +++++++++++++++
 .../stats/base/dists/erlang/mean/binding.gyp  | 170 ++++++++++++++++++
 .../dists/erlang/mean/examples/c/Makefile     | 146 +++++++++++++++
 .../dists/erlang/mean/examples/c/example.c    |  42 +++++
 .../stats/base/dists/erlang/mean/include.gypi |  53 ++++++
 .../stdlib/stats/base/dists/erlang/mean.h     |  38 ++++
 .../base/dists/erlang/mean/lib/native.js      |  75 ++++++++
 .../base/dists/erlang/mean/manifest.json      |  83 +++++++++
 .../stats/base/dists/erlang/mean/package.json |   3 +
 .../stats/base/dists/erlang/mean/src/Makefile |  70 ++++++++
 .../stats/base/dists/erlang/mean/src/addon.c  |  23 +++
 .../stats/base/dists/erlang/mean/src/main.c   |  44 +++++
 .../dists/erlang/mean/test/test.native.js     | 138 ++++++++++++++
 17 files changed, 1355 insertions(+), 3 deletions(-)
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/binding.gyp
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include.gypi
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/Makefile
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
index fcc4859255f1..24405146e401 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
@@ -145,6 +145,103 @@ for ( i = 0; i < 10; i++ ) {
 
 <!-- /.examples -->
 
+<!-- C interface documentation. -->
+
+* * *
+
+<section class="c">
+
+## C APIs
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- C usage documentation. -->
+
+<section class="usage">
+
+### Usage
+
+```c
+#include "stdlib/stats/base/dists/erlang/mean.h"
+```
+
+#### stdlib_base_dists_erlang_mean( k, lambda )
+
+Evaluates the [expected value][expected-value] of an [Erlang][erlang-distribution] distribution with parameters `k` (shape parameter) and `lambda` (rate parameter).
+
+```c
+double out = stdlib_base_dists_erlang_mean( 1, 1.0 );
+// returns 1.0
+```
+
+The function accepts the following arguments:
+
+-   **k**: `[in] double` shape parameter.
+-   **lambda**: `[in] double` rate parameter.
+
+```c
+double stdlib_base_dists_erlang_mean( const double k, const double lambda );
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- C API usage examples. -->
+
+<section class="examples">
+
+### Examples
+
+```c
+#include "stdlib/stats/base/dists/erlang/mean.h"
+#include "stdlib/constants/float64/eps.h"
+#include "stdlib/math/base/special/round.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+static double random_uniform( const double min, const double max ) {
+    double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+    return min + ( v*(max-min) );
+}
+
+int main( void ) {
+    double lambda;
+    double k;
+    double y;
+    int i;
+
+    for ( i = 0; i < 25; i++ ) {
+        k = stdlib_base_round(random_uniform( 0.0, 10.0 ));
+        lambda = random_uniform( 0.0, 10.0 ) + STDLIB_CONSTANT_FLOAT64_EPS;
+        y = stdlib_base_dists_erlang_mean( k, lambda );
+        printf( "k: %lf, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
+    }
+}
+```
+
+</section>
+
+<!-- /.examples -->
+
+</section>
+
+<!-- /.c -->
+
 <!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
 
 <section class="references">
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.js
index 6faa60b70ed9..999c7847f822 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.js
@@ -23,6 +23,7 @@
 var bench = require( '@stdlib/bench' );
 var randu = require( '@stdlib/random/base/randu' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var Float64Array = require( '@stdlib/array/float64' );
 var ceil = require( '@stdlib/math/base/special/ceil' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var pkg = require( './../package.json' ).name;
@@ -33,15 +34,22 @@ var mean = require( './../lib' );
 
 bench( pkg, function benchmark( b ) {
 	var lambda;
+	var len;
 	var k;
 	var y;
 	var i;
 
+	len = 100;
+	lambda = new Float64Array( len );
+	k = new Float64Array( len );
+	for ( i = 0; i < len; i++ ) {
+		lambda[ i ] = ( randu()*10.0 ) + EPS;
+		k[ i ] = ceil( randu()*10.0 );
+	}
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		k = ceil( randu()*10.0 );
-		lambda = ( randu()*10.0 ) + EPS;
-		y = mean( k, lambda );
+		y = mean( k[ i % len ], lambda[ i % len ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
new file mode 100644
index 000000000000..105fa644987a
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
@@ -0,0 +1,72 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var resolve = require( 'path' ).resolve;
+var bench = require( '@stdlib/bench' );
+var Float64Array = require( '@stdlib/array/float64' );
+var ceil = require( '@stdlib/math/base/special/ceil' );
+var randu = require( '@stdlib/random/base/randu' );
+var EPS = require( '@stdlib/constants/float64/eps' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+var pkg = require( './../package.json' ).name;
+
+
+// VARIABLES //
+
+var mean = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( mean instanceof Error )
+};
+
+
+// MAIN //
+
+bench( pkg+'::native', opts, function benchmark( b ) {
+	var lambda;
+	var len;
+	var k;
+	var y;
+	var i;
+
+	len = 100;
+	k = new Float64Array( len );
+	lambda = new Float64Array( len );
+	for ( i = 0; i < len; i++ ) {
+		lambda[ i ] = ( randu()*10.0 ) + EPS;
+		k[ i ] = ceil( randu()*10.0 );
+	}
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		y = mean( k[ i % len ], lambda[ i % len ] );
+		if ( isnan( y ) ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( isnan( y ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile
new file mode 100644
index 000000000000..f69e9da2b4d3
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile
@@ -0,0 +1,146 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2024 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+# Define the program used for compiling C source files:
+ifdef C_COMPILER
+	CC := $(C_COMPILER)
+else
+	CC := gcc
+endif
+
+# Define the command-line options when compiling C files:
+CFLAGS ?= \
+	-std=c99 \
+	-O3 \
+	-Wall \
+	-pedantic
+
+# Determine whether to generate position independent code ([1][1], [2][2]).
+#
+# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options
+# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option
+ifeq ($(OS), WINNT)
+	fPIC ?=
+else
+	fPIC ?= -fPIC
+endif
+
+# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`):
+INCLUDE ?=
+
+# List of source files:
+SOURCE_FILES ?=
+
+# List of libraries (e.g., `-lopenblas -lpthread`):
+LIBRARIES ?=
+
+# List of library paths (e.g., `-L /foo/bar -L /beep/boop`):
+LIBPATH ?=
+
+# List of C targets:
+c_targets := benchmark.out
+
+
+# RULES #
+
+#/
+# Compiles source files.
+#
+# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`)
+# @param {string} [CFLAGS] - C compiler options
+# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`)
+# @param {string} [SOURCE_FILES] - list of source files
+# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`)
+#
+# @example
+# make
+#
+# @example
+# make all
+#/
+all: $(c_targets)
+
+.PHONY: all
+
+#/
+# Compiles C source files.
+#
+# @private
+# @param {string} CC - C compiler (e.g., `gcc`)
+# @param {string} CFLAGS - C compiler options
+# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`)
+# @param {string} SOURCE_FILES - list of source files
+# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`)
+# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`)
+#/
+$(c_targets): %.out: %.c
+	$(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES)
+
+#/
+# Runs compiled benchmarks.
+#
+# @example
+# make run
+#/
+run: $(c_targets)
+	$(QUIET) ./$<
+
+.PHONY: run
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean:
+	$(QUIET) -rm -f *.o *.out
+
+.PHONY: clean
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
new file mode 100644
index 000000000000..025432b13c62
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
@@ -0,0 +1,144 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "stdlib/stats/base/dists/erlang/mean.h"
+#include "stdlib/math/base/special/ceil.h"
+#include "stdlib/constants/float64/eps.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <time.h>
+#include <sys/time.h>
+
+#define NAME "erlang-mean"
+#define ITERATIONS 1000000
+#define REPEATS 3
+
+/**
+* Prints the TAP version.
+*/
+static void print_version( void ) {
+	printf( "TAP version 13\n" );
+}
+
+/**
+* Prints the TAP summary.
+*
+* @param total     total number of tests
+* @param passing   total number of passing tests
+*/
+static void print_summary( int total, int passing ) {
+	printf( "#\n" );
+	printf( "1..%d\n", total ); // TAP plan
+	printf( "# total %d\n", total );
+	printf( "# pass  %d\n", passing );
+	printf( "#\n" );
+	printf( "# ok\n" );
+}
+
+/**
+* Prints benchmarks results.
+*
+* @param elapsed   elapsed time in seconds
+*/
+static void print_results( double elapsed ) {
+	double rate = (double)ITERATIONS / elapsed;
+	printf( "  ---\n" );
+	printf( "  iterations: %d\n", ITERATIONS );
+	printf( "  elapsed: %0.9f\n", elapsed );
+	printf( "  rate: %0.9f\n", rate );
+	printf( "  ...\n" );
+}
+
+/**
+* Returns a clock time.
+*
+* @return clock time
+*/
+static double tic( void ) {
+	struct timeval now;
+	gettimeofday( &now, NULL );
+	return (double)now.tv_sec + (double)now.tv_usec/1.0e6;
+}
+
+/**
+* Generates a random number on the interval [min,max).
+*
+* @param min    minimum value (inclusive)
+* @param max    maximum value (exclusive)
+* @return       random number
+*/
+static double random_uniform( const double min, const double max ) {
+	double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+	return min + ( v*(max-min) );
+}
+
+/**
+* Runs a benchmark.
+*
+* @return elapsed time in seconds
+*/
+static double benchmark( void ) {
+	double elapsed;
+	double x[ 100 ];
+	double a[ 100 ];
+	double b[ 100 ];
+	double y;
+	double t;
+	int i;
+
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = random_uniform( -10.0, 10.0 );
+		a[ i ] = random_uniform( -20.0, 0.0 );
+		b[ i ] = random_uniform( a[ i ], a[ i ]+40.0 );
+	}
+
+	t = tic();
+	for ( i = 0; i < ITERATIONS; i++ ) {
+		y = stdlib_base_dists_erlang_mean( x[ i%100 ], a[ i%100 ], b[ i%100 ] );
+		if ( y != y ) {
+			printf( "should not return NaN\n" );
+			break;
+		}
+	}
+	elapsed = tic() - t;
+	if ( y != y ) {
+		printf( "should not return NaN\n" );
+	}
+	return elapsed;
+}
+
+/**
+* Main execution sequence.
+*/
+int main( void ) {
+	double elapsed;
+	int i;
+
+	// Use the current time to seed the random number generator:
+	srand( time( NULL ) );
+
+	print_version();
+	for ( i = 0; i < REPEATS; i++ ) {
+		printf( "# c::%s\n", NAME );
+		elapsed = benchmark();
+		print_results( elapsed );
+		printf( "ok %d benchmark finished\n", i+1 );
+	}
+	print_summary( REPEATS, REPEATS );
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/binding.gyp
new file mode 100644
index 000000000000..ec3992233442
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/binding.gyp
@@ -0,0 +1,170 @@
+# @license Apache-2.0
+#
+# Copyright (c) 2024 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# A `.gyp` file for building a Node.js native add-on.
+#
+# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md
+# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md
+{
+  # List of files to include in this file:
+  'includes': [
+    './include.gypi',
+  ],
+
+  # Define variables to be used throughout the configuration for all targets:
+  'variables': {
+    # Target name should match the add-on export name:
+    'addon_target_name%': 'addon',
+
+    # Set variables based on the host OS:
+    'conditions': [
+      [
+        'OS=="win"',
+        {
+          # Define the object file suffix:
+          'obj': 'obj',
+        },
+        {
+          # Define the object file suffix:
+          'obj': 'o',
+        }
+      ], # end condition (OS=="win")
+    ], # end conditions
+  }, # end variables
+
+  # Define compile targets:
+  'targets': [
+
+    # Target to generate an add-on:
+    {
+      # The target name should match the add-on export name:
+      'target_name': '<(addon_target_name)',
+
+      # Define dependencies:
+      'dependencies': [],
+
+      # Define directories which contain relevant include headers:
+      'include_dirs': [
+        # Local include directory:
+        '<@(include_dirs)',
+      ],
+
+      # List of source files:
+      'sources': [
+        '<@(src_files)',
+      ],
+
+      # Settings which should be applied when a target's object files are used as linker input:
+      'link_settings': {
+        # Define libraries:
+        'libraries': [
+          '<@(libraries)',
+        ],
+
+        # Define library directories:
+        'library_dirs': [
+          '<@(library_dirs)',
+        ],
+      },
+
+      # C/C++ compiler flags:
+      'cflags': [
+        # Enable commonly used warning options:
+        '-Wall',
+
+        # Aggressive optimization:
+        '-O3',
+      ],
+
+      # C specific compiler flags:
+      'cflags_c': [
+        # Specify the C standard to which a program is expected to conform:
+        '-std=c99',
+      ],
+
+      # C++ specific compiler flags:
+      'cflags_cpp': [
+        # Specify the C++ standard to which a program is expected to conform:
+        '-std=c++11',
+      ],
+
+      # Linker flags:
+      'ldflags': [],
+
+      # Apply conditions based on the host OS:
+      'conditions': [
+        [
+          'OS=="mac"',
+          {
+            # Linker flags:
+            'ldflags': [
+              '-undefined dynamic_lookup',
+              '-Wl,-no-pie',
+              '-Wl,-search_paths_first',
+            ],
+          },
+        ], # end condition (OS=="mac")
+        [
+          'OS!="win"',
+          {
+            # C/C++ flags:
+            'cflags': [
+              # Generate platform-independent code:
+              '-fPIC',
+            ],
+          },
+        ], # end condition (OS!="win")
+      ], # end conditions
+    }, # end target <(addon_target_name)
+
+    # Target to copy a generated add-on to a standard location:
+    {
+      'target_name': 'copy_addon',
+
+      # Declare that the output of this target is not linked:
+      'type': 'none',
+
+      # Define dependencies:
+      'dependencies': [
+        # Require that the add-on be generated before building this target:
+        '<(addon_target_name)',
+      ],
+
+      # Define a list of actions:
+      'actions': [
+        {
+          'action_name': 'copy_addon',
+          'message': 'Copying addon...',
+
+          # Explicitly list the inputs in the command-line invocation below:
+          'inputs': [],
+
+          # Declare the expected outputs:
+          'outputs': [
+            '<(addon_output_dir)/<(addon_target_name).node',
+          ],
+
+          # Define the command-line invocation:
+          'action': [
+            'cp',
+            '<(PRODUCT_DIR)/<(addon_target_name).node',
+            '<(addon_output_dir)/<(addon_target_name).node',
+          ],
+        },
+      ], # end actions
+    }, # end target copy_addon
+  ], # end targets
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile
new file mode 100644
index 000000000000..6aed70daf167
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile
@@ -0,0 +1,146 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2024 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+# Define the program used for compiling C source files:
+ifdef C_COMPILER
+	CC := $(C_COMPILER)
+else
+	CC := gcc
+endif
+
+# Define the command-line options when compiling C files:
+CFLAGS ?= \
+	-std=c99 \
+	-O3 \
+	-Wall \
+	-pedantic
+
+# Determine whether to generate position independent code ([1][1], [2][2]).
+#
+# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options
+# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option
+ifeq ($(OS), WINNT)
+	fPIC ?=
+else
+	fPIC ?= -fPIC
+endif
+
+# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`):
+INCLUDE ?=
+
+# List of source files:
+SOURCE_FILES ?=
+
+# List of libraries (e.g., `-lopenblas -lpthread`):
+LIBRARIES ?=
+
+# List of library paths (e.g., `-L /foo/bar -L /beep/boop`):
+LIBPATH ?=
+
+# List of C targets:
+c_targets := example.out
+
+
+# RULES #
+
+#/
+# Compiles source files.
+#
+# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`)
+# @param {string} [CFLAGS] - C compiler options
+# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`)
+# @param {string} [SOURCE_FILES] - list of source files
+# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`)
+#
+# @example
+# make
+#
+# @example
+# make all
+#/
+all: $(c_targets)
+
+.PHONY: all
+
+#/
+# Compiles C source files.
+#
+# @private
+# @param {string} CC - C compiler (e.g., `gcc`)
+# @param {string} CFLAGS - C compiler options
+# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`)
+# @param {string} SOURCE_FILES - list of source files
+# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`)
+# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`)
+#/
+$(c_targets): %.out: %.c
+	$(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES)
+
+#/
+# Runs compiled examples.
+#
+# @example
+# make run
+#/
+run: $(c_targets)
+	$(QUIET) ./$<
+
+.PHONY: run
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean:
+	$(QUIET) -rm -f *.o *.out
+
+.PHONY: clean
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
new file mode 100644
index 000000000000..6fe5b39f71d7
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
@@ -0,0 +1,42 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "stdlib/stats/base/dists/erlang/mean.h"
+#include "stdlib/constants/float64/eps.h"
+#include "stdlib/math/base/special/round.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+static double random_uniform( const double min, const double max ) {
+	double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+	return min + ( v*(max-min) );
+}
+
+int main( void ) {
+	double lambda;
+	double k;
+	double y;
+	int i;
+
+	for ( i = 0; i < 25; i++ ) {
+		k = stdlib_base_round(random_uniform( 0.0, 10.0 ));
+		lambda = random_uniform( 0.0, 10.0 ) + STDLIB_CONSTANT_FLOAT64_EPS;
+		y = stdlib_base_dists_erlang_mean( k, lambda );
+		printf( "k: %lf, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
+	}
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include.gypi
new file mode 100644
index 000000000000..575cb043c0bf
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include.gypi
@@ -0,0 +1,53 @@
+# @license Apache-2.0
+#
+# Copyright (c) 2024 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# A GYP include file for building a Node.js native add-on.
+#
+# Main documentation:
+#
+# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md
+# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md
+{
+  # Define variables to be used throughout the configuration for all targets:
+  'variables': {
+    # Source directory:
+    'src_dir': './src',
+
+    # Include directories:
+    'include_dirs': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).include; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Add-on destination directory:
+    'addon_output_dir': './src',
+
+    # Source files:
+    'src_files': [
+      '<(src_dir)/addon.c',
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).src; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Library dependencies:
+    'libraries': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).libraries; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Library directories:
+    'library_dirs': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).libpath; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+  }, # end variables
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
new file mode 100644
index 000000000000..a125d7282d06
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
@@ -0,0 +1,38 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#ifndef STDLIB_STATS_BASE_DISTS_ERLANG_MEAN_H
+#define STDLIB_STATS_BASE_DISTS_ERLANG_MEAN_H
+
+/*
+* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
+*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+* Returns the expected value of an Erlang distribution.
+*/
+double stdlib_base_dists_erlang_mean( const double k, const double lambda );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // !STDLIB_STATS_BASE_DISTS_ERLANG_MEAN_H
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
new file mode 100644
index 000000000000..15ace87578e1
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
@@ -0,0 +1,75 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var addon = require( './../src/addon.node' );
+
+
+// MAIN //
+
+/**
+* Returns the expected value of an Erlang distribution.
+*
+* @private
+* @param {PositiveInteger} k - shape parameter
+* @param {PositiveNumber} lambda - rate parameter
+* @returns {NonNegativeNumber} expected value
+*
+* @example
+* var v = mean( 1, 1.0 );
+* // returns 1.0
+*
+* @example
+* var v = mean( 4, 12.0 );
+* // returns ~0.333
+*
+* @example
+* var v = mean( 8, 2.0 );
+* // returns 4.0
+*
+* @example
+* var v = mean( 1.5, 2.0 );
+* // returns NaN
+*
+* @example
+* var v = mean( 1, -0.1 );
+* // returns NaN
+*
+* @example
+* var v = mean( -0.1, 1.0 );
+* // returns NaN
+*
+* @example
+* var v = mean( 2, NaN );
+* // returns NaN
+*
+* @example
+* var v = mean( NaN, 2.0 );
+* // returns NaN
+*/
+function mean( k, lambda ) {
+	return addon( k, lambda );
+}
+
+
+// EXPORTS //
+
+module.exports = mean;
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
new file mode 100644
index 000000000000..033664f92fc4
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
@@ -0,0 +1,83 @@
+{
+  "options": {
+    "task": "build",
+    "wasm": false
+  },
+  "fields": [
+    {
+      "field": "src",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "include",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "libraries",
+      "resolve": false,
+      "relative": false
+    },
+    {
+      "field": "libpath",
+      "resolve": true,
+      "relative": false
+    }
+  ],
+  "confs": [
+    {
+      "task": "build",
+      "wasm": false,
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/napi/binary",
+        "@stdlib/math/base/assert/is-nan",
+        "@stdlib/math/base/assert/is-positive-integer"
+      ]
+    },
+    {
+      "task": "benchmark",
+      "wasm": false,
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/assert/is-nan",
+        "@stdlib/math/base/assert/is-positive-integer",
+        "@stdlib/constants/float64/eps",
+        "@stdlib/math/base/special/ceil"
+      ]
+    },
+    {
+      "task": "examples",
+      "wasm": false,
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/assert/is-nan",
+        "@stdlib/math/base/assert/is-positive-integer",
+        "@stdlib/constants/float64/eps",
+        "@stdlib/math/base/special/ceil"
+      ]
+    }
+  ]
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/package.json b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/package.json
index 8f3cd891720c..b0cc52a0cd11 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/package.json
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/package.json
@@ -14,11 +14,14 @@
     }
   ],
   "main": "./lib",
+  "gypfile": true,
   "directories": {
     "benchmark": "./benchmark",
     "doc": "./docs",
     "example": "./examples",
+    "include": "./include",
     "lib": "./lib",
+    "src": "./src",
     "test": "./test"
   },
   "types": "./docs/types",
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/Makefile b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/Makefile
new file mode 100644
index 000000000000..bcf18aa46655
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/Makefile
@@ -0,0 +1,70 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2024 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+
+# RULES #
+
+#/
+# Removes generated files for building an add-on.
+#
+# @example
+# make clean-addon
+#/
+clean-addon:
+	$(QUIET) -rm -f *.o *.node
+
+.PHONY: clean-addon
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean: clean-addon
+
+.PHONY: clean
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
new file mode 100644
index 000000000000..13127dbc41cd
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
@@ -0,0 +1,23 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "stdlib/stats/base/dists/erlang/mean.h"
+#include "stdlib/math/base/napi/binary.h"
+
+// cppcheck-suppress shadowFunction
+STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_dists_erlang_mean )
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
new file mode 100644
index 000000000000..bb8cca198bd0
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
@@ -0,0 +1,44 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "stdlib/stats/base/dists/erlang/mean.h"
+#include "stdlib/math/base/assert/is_positive_integer.h"
+#include "stdlib/math/base/assert/is_nan.h"
+
+
+/**
+* Returns the expected value of an Erlang distribution.
+*
+* @param k         shape parameter
+* @param lambda    rate parameter
+* @return          evaluated value
+*
+* @example
+* double y = stdlib_base_erlang_mean( 1, 1.0 );
+* // returns 1.0
+*/
+double stdlib_base_dists_erlang_mean( const double k, const double lambda ) {
+	if (
+		!stdlib_base_is_positive_integer( k ) ||
+		stdlib_base_is_nan( lambda ) ||
+		lambda <= 0.0
+	) {
+		return 0.0/0.0; // NaN
+	}
+	return k / lambda;
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js
new file mode 100644
index 000000000000..05ad70d57342
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js
@@ -0,0 +1,138 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var resolve = require( 'path' ).resolve;
+var tape = require( 'tape' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var abs = require( '@stdlib/math/base/special/abs' );
+var PINF = require( '@stdlib/constants/float64/pinf' );
+var NINF = require( '@stdlib/constants/float64/ninf' );
+var EPS = require( '@stdlib/constants/float64/eps' );
+
+
+// FIXTURES //
+
+var data = require( './fixtures/julia/data.json' );
+
+
+// VARIABLES //
+
+var mean = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( mean instanceof Error )
+};
+
+
+// TESTS //
+
+tape( 'main export is a function', opts, function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof mean, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'if provided `NaN` for any parameter, the function returns `NaN`', opts, function test( t ) {
+	var v = mean( NaN, 0.5 );
+	t.equal( isnan( v ), true, 'returns NaN' );
+
+	v = mean( 10.0, NaN );
+	t.equal( isnan( v ), true, 'returns NaN' );
+
+	t.end();
+});
+
+tape( 'if provided a `k` that is not a positive integer, the function returns `NaN`', opts, function test( t ) {
+	var y;
+
+	y = mean( 1.5, 2.0 );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( 3.9, 2.0 );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( 0.0, 2.0 );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( -1.0, 2.0 );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( NINF, 1.0 );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( NINF, PINF );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( NINF, NINF );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( NINF, NaN );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	t.end();
+});
+
+tape( 'if provided `lambda <= 0`, the function returns `NaN`', opts, function test( t ) {
+	var y;
+
+	y = mean( 2, -1.0 );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( 1, NINF );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( PINF, NINF );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( 8, NINF );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	y = mean( NaN, NINF );
+	t.equal( isnan( y ), true, 'returns NaN' );
+
+	t.end();
+});
+
+tape( 'the function returns the mean of an Erlang distribution', opts, function test( t ) {
+	var expected;
+	var lambda;
+	var delta;
+	var tol;
+	var k;
+	var i;
+	var y;
+
+	expected = data.expected;
+	k = data.k;
+	lambda = data.lambda;
+	for ( i = 0; i < expected.length; i++ ) {
+		y = mean( k[i], lambda[i] );
+		if ( y === expected[i] ) {
+			t.equal( y, expected[i], 'k: '+k[i]+', lambda: '+lambda[i]+', y: '+y+', expected: '+expected[i] );
+		} else {
+			delta = abs( y - expected[ i ] );
+			tol = 1.0 * EPS * abs( expected[ i ] );
+			t.ok( delta <= tol, 'within tolerance. k: '+k[i]+'. lambda: '+lambda[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
+		}
+	}
+	t.end();
+});

From 619f56c294da510fbbd813c4b5e0209325fba612 Mon Sep 17 00:00:00 2001
From: Vivek Maurya <vm8118134@gmail.com>
Date: Thu, 26 Dec 2024 09:39:20 +0530
Subject: [PATCH 02/10] feat(add c implementation): add
 stats/base/dists/erlang/mean

---
 .../base/dists/erlang/mean/benchmark/c/benchmark.c   | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
index 025432b13c62..1ca2e670df79 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
@@ -95,22 +95,20 @@ static double random_uniform( const double min, const double max ) {
 */
 static double benchmark( void ) {
 	double elapsed;
-	double x[ 100 ];
-	double a[ 100 ];
-	double b[ 100 ];
+	double lambda[ 100 ];
+	double k[ 100 ];
 	double y;
 	double t;
 	int i;
 
 	for ( i = 0; i < 100; i++ ) {
-		x[ i ] = random_uniform( -10.0, 10.0 );
-		a[ i ] = random_uniform( -20.0, 0.0 );
-		b[ i ] = random_uniform( a[ i ], a[ i ]+40.0 );
+		lambda[ i ] = random_uniform( 0.0, 10.0 ) + STDLIB_CONSTANT_FLOAT64_EPS;
+		k[ i ] = stdlib_base_ceil(random_uniform( 0.0, 10.0 ));
 	}
 
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		y = stdlib_base_dists_erlang_mean( x[ i%100 ], a[ i%100 ], b[ i%100 ] );
+		y = stdlib_base_dists_erlang_mean( k[ i%100 ], lambda[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

From eedaf2a8e5184b15aca27c0370e6c6626da207b8 Mon Sep 17 00:00:00 2001
From: Vivek Maurya <vm8118134@gmail.com>
Date: Thu, 26 Dec 2024 09:43:56 +0530
Subject: [PATCH 03/10] feat(add c implementation): add
 stats/base/dists/erlang/mean

---
 .../@stdlib/stats/base/dists/erlang/mean/manifest.json      | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
index 033664f92fc4..54f90fdb08c0 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
@@ -58,7 +58,8 @@
         "@stdlib/math/base/assert/is-nan",
         "@stdlib/math/base/assert/is-positive-integer",
         "@stdlib/constants/float64/eps",
-        "@stdlib/math/base/special/ceil"
+        "@stdlib/math/base/special/ceil",
+        "@stdlib/math/base/special/round"
       ]
     },
     {
@@ -76,7 +77,8 @@
         "@stdlib/math/base/assert/is-nan",
         "@stdlib/math/base/assert/is-positive-integer",
         "@stdlib/constants/float64/eps",
-        "@stdlib/math/base/special/ceil"
+        "@stdlib/math/base/special/ceil",
+        "@stdlib/math/base/special/round"
       ]
     }
   ]

From ac8537e723d3ab2fbfe041e055852bf0d337c6e7 Mon Sep 17 00:00:00 2001
From: Vivek Maurya <vm8118134@gmail.com>
Date: Thu, 17 Apr 2025 05:17:28 +0000
Subject: [PATCH 04/10] feat(add c implementation): add
 stats/base/dists/erlang/mean

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: passed
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: missing_dependencies
  - task: lint_c_examples
    status: missing_dependencies
  - task: lint_c_benchmarks
    status: missing_dependencies
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---
---
 .../@stdlib/stats/base/dists/erlang/mean/README.md        | 8 ++++----
 .../stats/base/dists/erlang/mean/benchmark/c/benchmark.c  | 6 +++---
 .../stats/base/dists/erlang/mean/examples/c/example.c     | 4 ++--
 .../mean/include/stdlib/stats/base/dists/erlang/mean.h    | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/manifest.json    | 5 +----
 .../@stdlib/stats/base/dists/erlang/mean/src/main.c       | 5 ++---
 6 files changed, 13 insertions(+), 17 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
index 24405146e401..91ded9d3ea8a 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
@@ -182,11 +182,11 @@ double out = stdlib_base_dists_erlang_mean( 1, 1.0 );
 
 The function accepts the following arguments:
 
--   **k**: `[in] double` shape parameter.
+-   **k**: `[in] int32_t` shape parameter.
 -   **lambda**: `[in] double` rate parameter.
 
 ```c
-double stdlib_base_dists_erlang_mean( const double k, const double lambda );
+double stdlib_base_dists_erlang_mean( const int32_t k, const double lambda );
 ```
 
 </section>
@@ -221,13 +221,13 @@ static double random_uniform( const double min, const double max ) {
 
 int main( void ) {
     double lambda;
-    double k;
+    int32_t k;
     double y;
     int i;
 
     for ( i = 0; i < 25; i++ ) {
         k = stdlib_base_round(random_uniform( 0.0, 10.0 ));
-        lambda = random_uniform( 0.0, 10.0 ) + STDLIB_CONSTANT_FLOAT64_EPS;
+        lambda = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
         y = stdlib_base_dists_erlang_mean( k, lambda );
         printf( "k: %lf, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
     }
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
index 1ca2e670df79..8e8c76bee103 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
@@ -96,14 +96,14 @@ static double random_uniform( const double min, const double max ) {
 static double benchmark( void ) {
 	double elapsed;
 	double lambda[ 100 ];
-	double k[ 100 ];
+	int32_t k[ 100 ];
 	double y;
 	double t;
 	int i;
 
 	for ( i = 0; i < 100; i++ ) {
-		lambda[ i ] = random_uniform( 0.0, 10.0 ) + STDLIB_CONSTANT_FLOAT64_EPS;
-		k[ i ] = stdlib_base_ceil(random_uniform( 0.0, 10.0 ));
+		lambda[ i ] = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
+		k[ i ] = stdlib_base_ceil(random_uniform( 1.0, 10.0 ));
 	}
 
 	t = tic();
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
index 6fe5b39f71d7..ec44dd896df1 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
@@ -29,13 +29,13 @@ static double random_uniform( const double min, const double max ) {
 
 int main( void ) {
 	double lambda;
-	double k;
+	int32_t k;
 	double y;
 	int i;
 
 	for ( i = 0; i < 25; i++ ) {
 		k = stdlib_base_round(random_uniform( 0.0, 10.0 ));
-		lambda = random_uniform( 0.0, 10.0 ) + STDLIB_CONSTANT_FLOAT64_EPS;
+		lambda = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
 		y = stdlib_base_dists_erlang_mean( k, lambda );
 		printf( "k: %lf, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
 	}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
index a125d7282d06..1be8473124f2 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
@@ -29,7 +29,7 @@ extern "C" {
 /**
 * Returns the expected value of an Erlang distribution.
 */
-double stdlib_base_dists_erlang_mean( const double k, const double lambda );
+double stdlib_base_dists_erlang_mean( const int32_t k, const double lambda );
 
 #ifdef __cplusplus
 }
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
index 54f90fdb08c0..52cf896e63a5 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/manifest.json
@@ -39,8 +39,7 @@
       "libpath": [],
       "dependencies": [
         "@stdlib/math/base/napi/binary",
-        "@stdlib/math/base/assert/is-nan",
-        "@stdlib/math/base/assert/is-positive-integer"
+        "@stdlib/math/base/assert/is-nan"
       ]
     },
     {
@@ -56,7 +55,6 @@
       "libpath": [],
       "dependencies": [
         "@stdlib/math/base/assert/is-nan",
-        "@stdlib/math/base/assert/is-positive-integer",
         "@stdlib/constants/float64/eps",
         "@stdlib/math/base/special/ceil",
         "@stdlib/math/base/special/round"
@@ -75,7 +73,6 @@
       "libpath": [],
       "dependencies": [
         "@stdlib/math/base/assert/is-nan",
-        "@stdlib/math/base/assert/is-positive-integer",
         "@stdlib/constants/float64/eps",
         "@stdlib/math/base/special/ceil",
         "@stdlib/math/base/special/round"
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
index bb8cca198bd0..78f36f049f96 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
@@ -17,7 +17,6 @@
 */
 
 #include "stdlib/stats/base/dists/erlang/mean.h"
-#include "stdlib/math/base/assert/is_positive_integer.h"
 #include "stdlib/math/base/assert/is_nan.h"
 
 
@@ -32,9 +31,9 @@
 * double y = stdlib_base_erlang_mean( 1, 1.0 );
 * // returns 1.0
 */
-double stdlib_base_dists_erlang_mean( const double k, const double lambda ) {
+double stdlib_base_dists_erlang_mean( const int32_t k, const double lambda ) {
 	if (
-		!stdlib_base_is_positive_integer( k ) ||
+		k <= 0.0 ||
 		stdlib_base_is_nan( lambda ) ||
 		lambda <= 0.0
 	) {

From 48fc395410ea51d6a1cbda2f969e767900f88ff6 Mon Sep 17 00:00:00 2001
From: Vivek Maurya <vm8118134@gmail.com>
Date: Thu, 17 Apr 2025 05:21:42 +0000
Subject: [PATCH 05/10] feat(add c implementation): add
 stats/base/dists/erlang/mean

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: passed
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: missing_dependencies
  - task: lint_c_examples
    status: missing_dependencies
  - task: lint_c_benchmarks
    status: missing_dependencies
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---
---
 .../@stdlib/stats/base/dists/erlang/mean/README.md             | 3 ++-
 .../stats/base/dists/erlang/mean/benchmark/c/benchmark.c       | 1 +
 .../@stdlib/stats/base/dists/erlang/mean/examples/c/example.c  | 3 ++-
 .../erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h  | 2 ++
 .../@stdlib/stats/base/dists/erlang/mean/src/main.c            | 1 +
 5 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
index 91ded9d3ea8a..a0e23a0de67f 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
@@ -212,6 +212,7 @@ double stdlib_base_dists_erlang_mean( const int32_t k, const double lambda );
 #include "stdlib/constants/float64/eps.h"
 #include "stdlib/math/base/special/round.h"
 #include <stdlib.h>
+#include <stdint.h>
 #include <stdio.h>
 
 static double random_uniform( const double min, const double max ) {
@@ -229,7 +230,7 @@ int main( void ) {
         k = stdlib_base_round(random_uniform( 0.0, 10.0 ));
         lambda = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
         y = stdlib_base_dists_erlang_mean( k, lambda );
-        printf( "k: %lf, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
+        printf( "k: %d, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
     }
 }
 ```
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
index 8e8c76bee103..8894315048c8 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
@@ -21,6 +21,7 @@
 #include "stdlib/constants/float64/eps.h"
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <math.h>
 #include <time.h>
 #include <sys/time.h>
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
index ec44dd896df1..810829d40744 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
@@ -20,6 +20,7 @@
 #include "stdlib/constants/float64/eps.h"
 #include "stdlib/math/base/special/round.h"
 #include <stdlib.h>
+#include <stdint.h>
 #include <stdio.h>
 
 static double random_uniform( const double min, const double max ) {
@@ -37,6 +38,6 @@ int main( void ) {
 		k = stdlib_base_round(random_uniform( 0.0, 10.0 ));
 		lambda = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
 		y = stdlib_base_dists_erlang_mean( k, lambda );
-		printf( "k: %lf, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
+		printf( "k: %d, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
 	}
 }
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
index 1be8473124f2..d0646f69fa5d 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
@@ -19,6 +19,8 @@
 #ifndef STDLIB_STATS_BASE_DISTS_ERLANG_MEAN_H
 #define STDLIB_STATS_BASE_DISTS_ERLANG_MEAN_H
 
+#include <stdint.h>
+
 /*
 * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
 */
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
index 78f36f049f96..8229e66b4772 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
@@ -18,6 +18,7 @@
 
 #include "stdlib/stats/base/dists/erlang/mean.h"
 #include "stdlib/math/base/assert/is_nan.h"
+#include <stdint.h>
 
 
 /**

From 2e7db358fd21eb53ce4f0b00f22441529cebc384 Mon Sep 17 00:00:00 2001
From: Vivek Maurya <vm8118134@gmail.com>
Date: Thu, 17 Apr 2025 05:45:06 +0000
Subject: [PATCH 06/10] feat(add c implementation): add
 stats/base/dists/erlang/mean

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: missing_dependencies
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---
---
 .../@stdlib/stats/base/dists/erlang/mean/src/addon.c        | 2 +-
 .../stats/base/dists/erlang/mean/test/test.native.js        | 6 ------
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
index 13127dbc41cd..5f2de90f46ab 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
@@ -20,4 +20,4 @@
 #include "stdlib/math/base/napi/binary.h"
 
 // cppcheck-suppress shadowFunction
-STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_dists_erlang_mean )
+STDLIB_MATH_BASE_NAPI_MODULE_ID_D( stdlib_base_dists_erlang_mean )
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js
index 05ad70d57342..dbfd22579ec3 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js
@@ -64,12 +64,6 @@ tape( 'if provided `NaN` for any parameter, the function returns `NaN`', opts, f
 tape( 'if provided a `k` that is not a positive integer, the function returns `NaN`', opts, function test( t ) {
 	var y;
 
-	y = mean( 1.5, 2.0 );
-	t.equal( isnan( y ), true, 'returns NaN' );
-
-	y = mean( 3.9, 2.0 );
-	t.equal( isnan( y ), true, 'returns NaN' );
-
 	y = mean( 0.0, 2.0 );
 	t.equal( isnan( y ), true, 'returns NaN' );
 

From df95056cecaab00561ad016a55852383fe390000 Mon Sep 17 00:00:00 2001
From: Vivek Maurya <vm8118134@gmail.com>
Date: Thu, 17 Apr 2025 05:55:50 +0000
Subject: [PATCH 07/10] feat(add c implementation): add
 stats/base/dists/erlang/mean

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---
---
 .../@stdlib/stats/base/dists/erlang/mean/lib/native.js        | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
index 15ace87578e1..59efc3772490 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
@@ -46,10 +46,6 @@ var addon = require( './../src/addon.node' );
 * // returns 4.0
 *
 * @example
-* var v = mean( 1.5, 2.0 );
-* // returns NaN
-*
-* @example
 * var v = mean( 1, -0.1 );
 * // returns NaN
 *

From 822c34d23e8333cd87840789d37b45a06b04132e Mon Sep 17 00:00:00 2001
From: Vivek Maurya <vm8118134@gmail.com>
Date: Thu, 17 Apr 2025 06:07:17 +0000
Subject: [PATCH 08/10] feat(add c implementation): add
 stats/base/dists/erlang/mean

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: passed
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---
---
 .../dists/erlang/mean/benchmark/benchmark.native.js   | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
index 105fa644987a..4d3d88cf8854 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
@@ -22,9 +22,10 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var Float64Array = require( '@stdlib/array/float64' );
-var ceil = require( '@stdlib/math/base/special/ceil' );
-var randu = require( '@stdlib/random/base/randu' );
+var Int32Array = require( '@stdlib/array/int32' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var tryRequire = require( '@stdlib/utils/try-require' );
@@ -49,11 +50,11 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	var i;
 
 	len = 100;
-	k = new Float64Array( len );
+	k = new Int32Array( len );
 	lambda = new Float64Array( len );
 	for ( i = 0; i < len; i++ ) {
-		lambda[ i ] = ( randu()*10.0 ) + EPS;
-		k[ i ] = ceil( randu()*10.0 );
+		k[ i ] = discreteUniform( 1, 10 );
+		lambda[ i ] = uniform( EPS, 10.0 );
 	}
 
 	b.tic();

From 33ef114a62e408573bbf9fe143ed01bece34bcec Mon Sep 17 00:00:00 2001
From: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>
Date: Thu, 17 Apr 2025 06:27:38 +0000
Subject: [PATCH 09/10] chore: update copyright years

---
 .../stats/base/dists/erlang/mean/benchmark/benchmark.native.js  | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile   | 2 +-
 .../stats/base/dists/erlang/mean/benchmark/c/benchmark.c        | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/binding.gyp            | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile    | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/examples/c/example.c   | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/include.gypi           | 2 +-
 .../erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h   | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/lib/native.js          | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/src/Makefile           | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/src/addon.c            | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/src/main.c             | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/test/test.native.js    | 2 +-
 13 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
index 4d3d88cf8854..05a15375dc98 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2024 The Stdlib Authors.
+* Copyright (c) 2025 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile
index f69e9da2b4d3..a4bd7b38fd74 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/Makefile
@@ -1,7 +1,7 @@
 #/
 # @license Apache-2.0
 #
-# Copyright (c) 2024 The Stdlib Authors.
+# Copyright (c) 2025 The Stdlib Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
index 8894315048c8..16cd55830a0d 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/c/benchmark.c
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2024 The Stdlib Authors.
+* Copyright (c) 2025 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/binding.gyp
index ec3992233442..68a1ca11d160 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/binding.gyp
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/binding.gyp
@@ -1,6 +1,6 @@
 # @license Apache-2.0
 #
-# Copyright (c) 2024 The Stdlib Authors.
+# Copyright (c) 2025 The Stdlib Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile
index 6aed70daf167..25ced822f96a 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/Makefile
@@ -1,7 +1,7 @@
 #/
 # @license Apache-2.0
 #
-# Copyright (c) 2024 The Stdlib Authors.
+# Copyright (c) 2025 The Stdlib Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
index 810829d40744..a196488c78c9 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2024 The Stdlib Authors.
+* Copyright (c) 2025 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include.gypi
index 575cb043c0bf..ecfaf82a3279 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include.gypi
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include.gypi
@@ -1,6 +1,6 @@
 # @license Apache-2.0
 #
-# Copyright (c) 2024 The Stdlib Authors.
+# Copyright (c) 2025 The Stdlib Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
index d0646f69fa5d..d7db002ad81f 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/include/stdlib/stats/base/dists/erlang/mean.h
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2024 The Stdlib Authors.
+* Copyright (c) 2025 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
index 59efc3772490..c2f00f3cc23e 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/lib/native.js
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2024 The Stdlib Authors.
+* Copyright (c) 2025 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/Makefile b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/Makefile
index bcf18aa46655..7733b6180cb4 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/Makefile
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/Makefile
@@ -1,7 +1,7 @@
 #/
 # @license Apache-2.0
 #
-# Copyright (c) 2024 The Stdlib Authors.
+# Copyright (c) 2025 The Stdlib Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
index 5f2de90f46ab..9793a463a890 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/addon.c
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2024 The Stdlib Authors.
+* Copyright (c) 2025 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
index 8229e66b4772..5e853113a206 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2024 The Stdlib Authors.
+* Copyright (c) 2025 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js
index dbfd22579ec3..fc4e393dc8f7 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/test/test.native.js
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2024 The Stdlib Authors.
+* Copyright (c) 2025 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.

From 58de046bf78d64f63f0dfe5c890ba7f1337b343a Mon Sep 17 00:00:00 2001
From: Philipp Burckhardt <pburckhardt@outlook.com>
Date: Thu, 17 Apr 2025 08:58:33 -0400
Subject: [PATCH 10/10] chore: apply suggestions from code review

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>
---
 .../@stdlib/stats/base/dists/erlang/mean/README.md             | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/examples/c/example.c  | 2 +-
 .../@stdlib/stats/base/dists/erlang/mean/src/main.c            | 3 +--
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
index a0e23a0de67f..b78bcc1e64b7 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/README.md
@@ -227,7 +227,7 @@ int main( void ) {
     int i;
 
     for ( i = 0; i < 25; i++ ) {
-        k = stdlib_base_round(random_uniform( 0.0, 10.0 ));
+        k = stdlib_base_round( random_uniform( 0.0, 10.0 ) );
         lambda = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
         y = stdlib_base_dists_erlang_mean( k, lambda );
         printf( "k: %d, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
index a196488c78c9..9c5da262579b 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/examples/c/example.c
@@ -35,7 +35,7 @@ int main( void ) {
 	int i;
 
 	for ( i = 0; i < 25; i++ ) {
-		k = stdlib_base_round(random_uniform( 0.0, 10.0 ));
+		k = stdlib_base_round( random_uniform( 0.0, 10.0 ) );
 		lambda = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
 		y = stdlib_base_dists_erlang_mean( k, lambda );
 		printf( "k: %d, λ: %lf, E(X;k,λ): %lf\n", k, lambda, y );
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
index 5e853113a206..f71a03262a8c 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/mean/src/main.c
@@ -20,7 +20,6 @@
 #include "stdlib/math/base/assert/is_nan.h"
 #include <stdint.h>
 
-
 /**
 * Returns the expected value of an Erlang distribution.
 *
@@ -29,7 +28,7 @@
 * @return          evaluated value
 *
 * @example
-* double y = stdlib_base_erlang_mean( 1, 1.0 );
+* double y = stdlib_base_dists_erlang_mean( 1, 1.0 );
 * // returns 1.0
 */
 double stdlib_base_dists_erlang_mean( const int32_t k, const double lambda ) {