feat:C implementation of stats/base/dists/weibull/skewness

---
type: pre_push_report
description: Results of running various checks prior to pushing changes.
report:
  - task: run_javascript_examples
    status: na
  - task: run_c_examples
    status: na
  - task: run_cpp_examples
    status: na
  - task: run_javascript_readme_examples
    status: na
  - task: run_c_benchmarks
    status: na
  - task: run_cpp_benchmarks
    status: na
  - task: run_fortran_benchmarks
    status: na
  - task: run_javascript_benchmarks
    status: na
  - task: run_julia_benchmarks
    status: na
  - task: run_python_benchmarks
    status: na
  - task: run_r_benchmarks
    status: na
  - task: run_javascript_tests
    status: na
---

Author: yuvimittal

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/README.md

@@ -187,15 +187,11 @@ The function accepts the following arguments:
 ```c
 double stdlib_base_dists_weibull_skewness( 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 -->
 

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/benchmark/benchmark.js

@@ -76,4 +76,4 @@ bench( pkg+':direct', function benchmark( b ) {
 	}
 	b.pass( 'benchmark finished' );
 	b.end();
-});
+});

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/benchmark/c/Makefile

@@ -143,4 +143,4 @@ run: $(c_targets)
 clean:
 	$(QUIET) -rm -f *.o *.out
 
-.PHONY: clean
+.PHONY: clean

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/benchmark/c/benchmark.c

@@ -32,7 +32,7 @@
 * Prints the TAP version.
 */
 static void print_version( void ) {
-	printf( "TAP version 13\n" );
+    printf( "TAP version 13\n" );
 }
 
 /**
@@ -42,12 +42,12 @@ static void print_version( void ) {
 * @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" );
+    printf( "#\n" );
+    printf( "1..%d\n", total ); // TAP plan
+    printf( "# total %d\n", total );
+    printf( "# pass  %d\n", passing );
+    printf( "#\n" );
+    printf( "# ok\n" );
 }
 
 /**
@@ -56,12 +56,12 @@ static void print_summary( int total, int passing ) {
 * @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" );
+    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" );
 }
 
 /**
@@ -70,9 +70,9 @@ static void print_results( double elapsed ) {
 * @return clock time
 */
 static double tic( void ) {
-	struct timeval now;
-	gettimeofday( &now, NULL );
-	return (double)now.tv_sec + (double)now.tv_usec/1.0e6;
+    struct timeval now;
+    gettimeofday( &now, NULL );
+    return (double)now.tv_sec + (double)now.tv_usec/1.0e6;
 }
 
 /**
@@ -83,8 +83,8 @@ static double tic( void ) {
 * @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) );
+    double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+    return min + ( v*(max-min) );
 }
 
 /**
@@ -93,52 +93,52 @@ static double random_uniform( const double min, const double max ) {
 * @return elapsed time in seconds
 */
 static double benchmark( void ) {
-	double elapsed;
-	double x[ 100 ];
-	double n[ 100 ];
-	double skewness;
-	double y;
-	double t;
-	int i;
+    double elapsed;
+    double x[ 100 ];
+    double n[ 100 ];
+    double skewness;
+    double y;
+    double t;
+    int i;
 
-	// Generate random values for x, n, and skewness
-	for ( i = 0; i < 100; i++ ) {
-		x[ i ] = random_uniform( 0, 30.0 );
-		n[ i ] = stdlib_base_ceil(random_uniform( 1, 30.0 ));
-		skewness = random_uniform( -1.0, 1.0 );
-	}
+    // Generate random values for x, n, and skewness
+    for ( i = 0; i < 100; i++ ) {
+        x[ i ] = random_uniform( 0, 30.0 );
+        n[ i ] = stdlib_base_ceil(random_uniform( 1, 30.0 ));
+        skewness = random_uniform( -1.0, 1.0 );
+    }
 
-	t = tic();
-	for ( i = 0; i < ITERATIONS; i++ ) {
-		y = stdlib_base_dists_weibull_skewness( x[ i%100 ], n[ i%100 ], skewness );
-		if ( y != y ) { // Check if the result is NaN
-			printf( "should not return NaN\n" );
-			break;
-		}
-	}
-	elapsed = tic() - t;
-	if ( y != y ) {
-		printf( "should not return NaN\n" );
-	}
-	return elapsed;
+    t = tic();
+    for ( i = 0; i < ITERATIONS; i++ ) {
+        y = stdlib_base_dists_weibull_skewness( x[ i%100 ], n[ i%100 ], skewness );
+        if ( y != y ) { // Check if the result is NaN
+            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;
+    double elapsed;
+    int i;
 
-	// Use the current time to seed the random number generator:
-	srand( time( NULL ) );
+    // 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 );
+    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 );
 }

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/binding.gyp

@@ -167,4 +167,4 @@
       ], # end actions
     }, # end target copy_addon
   ], # end targets
-}
+}

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/examples/c/Makefile

@@ -143,4 +143,4 @@ run: $(c_targets)
 clean:
 	$(QUIET) -rm -f *.o *.out
 
-.PHONY: clean
+.PHONY: clean

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/examples/c/example.c

@@ -1,54 +0,0 @@
-/**
-* @license Apache-2.0
-*
-* 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.
-* 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/weibull/skewness/pdf.h"
-#include "stdlib/math/base/special/ceil.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 n;
-	double x;
-	double skewness;
-	double y;
-	int i;
-
-	for ( i = 0; i < 25; i++ ) {
-		// Random x value (observations)
-		x = random_uniform( 0, 30.0 );
-
-		// Random n value (shape parameter)
-		n = stdlib_base_ceil( random_uniform( 1, 30.0 ) );
-
-		// Random skewness value (skewness parameter for Weibull distribution)
-		skewness = random_uniform( -1.0, 1.0 );
-
-		// Calculate the PDF for the Weibull skewness distribution
-		y = stdlib_base_dists_weibull_skewness_pdf( x, n, skewness );
-
-		// Print the result
-		printf( "x: %lf, n: %lf, skewness: %lf, PDF(x; n, skewness): %lf\n", x, n, skewness, y );
-	}
-
-	return 0;
-}

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/include.gypi

@@ -50,4 +50,4 @@
       '<!@(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
-}
+}

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/manifest.json

@@ -29,9 +29,9 @@
       {
         "task": "build",
         "wasm": false,
-        "src": ["./src/main.c"],
-        "include": ["./include"],
-        "libraries": [],
+        "src": ["./src/main.c"], 
+        "include": ["./include"], 
+        "libraries": [], 
         "libpath": [],
         "dependencies": [
           "@stdlib/math/base/assert/is-positive-integer",
@@ -79,3 +79,4 @@
       }
     ]
   }
+  

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/src/Makefile

@@ -67,4 +67,4 @@ clean-addon:
 #/
 clean: clean-addon
 
-.PHONY: clean
+.PHONY: clean