refactor: added include in main.c and fixed the JS benchmark number generation

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Author: anandkaranubc

lib/node_modules/@stdlib/stats/base/dists/degenerate/pdf/benchmark/benchmark.js

@@ -22,6 +22,7 @@
 
 var bench = require( '@stdlib/bench' );
 var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var pdf = require( './../lib' );
@@ -37,8 +38,8 @@ bench( pkg, function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*100.0 ) - 100;
-		mu = ( randu()*100.0 ) - 50.0;
+		x = uniform( -100.0, 0.0 );
+		mu = uniform( -50.0, 50.0 );
 		y = pdf( x, mu );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );

lib/node_modules/@stdlib/stats/base/dists/degenerate/pdf/benchmark/benchmark.native.js

@@ -23,7 +23,7 @@
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var Float64Array = require( '@stdlib/array/float64' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
@@ -50,8 +50,8 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	x = new Float64Array( len );
 	mu = new Float64Array( len );
 	for ( i = 0; i < len; i++ ) {
-		x[ i ] = ( randu() * 20.0 ) - 10.0;
-		mu[ i ] = ( randu() * 40.0 ) - 20.0;
+		x[ i ] = uniform( -100.0, 0.0 );
+		mu[ i ] = uniform( -50.0, 50.0 );
 	}
 
 	b.tic();

lib/node_modules/@stdlib/stats/base/dists/degenerate/pdf/src/main.c

@@ -18,6 +18,7 @@
 
 #include "stdlib/constants/float64/pinf.h"
 #include "stdlib/math/base/assert/is_nan.h"
+#include "stdlib/stats/base/dists/degenerate/pdf.h"
 
 /**
 * Evaluates the probability density function (PDF) for a degenerate distribution centered at `mu`.