fix: update function alias and add WebAssembly configuration

Author: kgryte

lib/node_modules/@stdlib/math/base/special/erf/benchmark/benchmark.js

@@ -21,7 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var erf = require( './../lib' );
@@ -34,10 +34,13 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 10, -500.0, 500.0, {
+		'dtype': 'generic'
+	});
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*1000.0 ) - 500.0;
-		y = erf( x );
+		y = erf( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/erf/benchmark/benchmark.native.js

@@ -22,7 +22,7 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
@@ -43,10 +43,13 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 10, -500.0, 500.0, {
+		'dtype': 'generic'
+	});
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*1000.0 ) - 500.0;
-		y = erf( x );
+		y = erf( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/erf/manifest.json

@@ -1,6 +1,7 @@
 {
   "options": {
-    "task": "build"
+    "task": "build",
+    "wasm": false
   },
   "fields": [
     {
@@ -27,6 +28,7 @@
   "confs": [
     {
       "task": "build",
+      "wasm": false,
       "src": [
         "./src/main.c"
       ],
@@ -46,6 +48,7 @@
     },
     {
       "task": "benchmark",
+      "wasm": false,
       "src": [
         "./src/main.c"
       ],
@@ -64,6 +67,26 @@
     },
     {
       "task": "examples",
+      "wasm": false,
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/assert/is-nan",
+        "@stdlib/constants/float64/ninf",
+        "@stdlib/constants/float64/pinf",
+        "@stdlib/math/base/special/exp",
+        "@stdlib/number/float64/base/set-low-word"
+      ]
+    },
+    {
+      "task": "build",
+      "wasm": true,
       "src": [
         "./src/main.c"
       ],

lib/node_modules/@stdlib/math/base/special/erf/src/main.c

@@ -524,7 +524,7 @@ double stdlib_base_erf( const double x ) {
 	}
 	z = ax;
 	stdlib_base_float64_set_low_word( 0, &z ); // pseudo-single (20-bit) precision x
-	r = stdlib_base_exp( -( z * z ) - 0.5625 ) * exp( ( ( z - ax ) * ( z + ax ) ) + ( r / s ) );
+	r = stdlib_base_exp( -( z * z ) - 0.5625 ) * stdlib_base_exp( ( ( z - ax ) * ( z + ax ) ) + ( r / s ) );
 	if ( sign == 1 ) {
 		return ( r / ax ) - 1.0;
 	}