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: yuvi-mittal

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

@@ -187,11 +187,15 @@ 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

@@ -22,33 +22,33 @@
 #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) );
+	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;
+	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/lib/native.js

@@ -31,39 +31,38 @@ var addon = require( './../src/addon.node' );
 *
 * @param {number} x - input value
 * @param {PositiveInteger} n - number of observations (or shape parameter for Weibull)
-* @param {number} skewness - skewness parameter
 * @returns {Probability} evaluated PDF
 *
 * @example
-* var y = skewness( 2.0, 1.5, 0.5 );
+* var y = skewness( 2.0, 1.5 );
 * // returns the skewness for Weibull skewness
 *
 * @example
-* var y = skewness( 1.0, 3, 1 );
+* var y = skewness( 1.0, 3 );
 * // returns the skewness for Weibull skewness with a different skewness
 *
 * @example
-* var y = skewness( -1.0, 3, 0.2 );
+* var y = skewness( -1.0, 3 );
 * // returns 0.0 for negative x values in some cases
 *
 * @example
-* var y = skewness( NaN, 3, 0.5 );
+* var y = skewness( NaN, 3 );
 * // returns NaN
 *
 * @example
-* var y = skewness( 2.0, NaN, 0.5 );
+* var y = skewness( 2.0, NaN );
 * // returns NaN
 *
 * @example
-* var y = skewness( 2.0, 3, NaN );
+* var y = skewness( 2.0, 3 );
 * // returns NaN
 *
 * @example
-* var y = skewness( 2.0, 0, 1 );
+* var y = skewness( 2.0, 0 );
 * // returns NaN (invalid parameter n)
 */
-function skewness( x, n, skewness ) {
-	return addon( x, n, skewness );
+function skewness( x, n ) {
+	return addon( x, n );
 }
 
 

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",
@@ -79,4 +79,3 @@
       }
     ]
   }
-