docs: fix examples

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---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/cpolarf/README.md

@@ -76,8 +76,7 @@ var bool = ( v === out );
 
 ```javascript
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
-var randu = require( '@stdlib/random/base/randu' );
-var roundf = require( '@stdlib/math/base/special/roundf' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var cpolarf = require( '@stdlib/math/base/special/cpolarf' );
 
 var re;
@@ -87,12 +86,12 @@ var o;
 var i;
 
 for ( i = 0; i < 100; i++ ) {
-    re = roundf( randu()*100.0 ) - 50.0;
-    im = roundf( randu()*100.0 ) - 50.0;
+    re = uniform( -50.0, 50.0 );
+    im = uniform( -50.0, 50.0 );
     z = new Complex64( re, im );
     o = cpolarf( z );
     z = z.toString();
-    console.log( 'absf(%s) = %d. argf(%s) = %d', z, o[0], z, o[1] );
+    console.log( 'absf(%s) = %d. argf(%s) = %d', z, o[ 0 ], z, o[ 1 ] );
 }
 ```
 

lib/node_modules/@stdlib/math/base/special/cpolarf/examples/index.js

@@ -19,8 +19,7 @@
 'use strict';
 
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
-var randu = require( '@stdlib/random/base/randu' );
-var roundf = require( '@stdlib/math/base/special/roundf' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var cpolarf = require( './../lib' );
 
 var re;
@@ -30,10 +29,10 @@ var o;
 var i;
 
 for ( i = 0; i < 100; i++ ) {
-	re = roundf( randu()*100.0 ) - 50.0;
-	im = roundf( randu()*100.0 ) - 50.0;
+	re = uniform( -50.0, 50.0 );
+	im = uniform( -50.0, 50.0 );
 	z = new Complex64( re, im );
 	o = cpolarf( z );
 	z = z.toString();
-	console.log( 'absf(%s) = %d. argf(%s) = %d', z, o[0], z, o[1] );
+	console.log( 'absf(%s) = %d. argf(%s) = %d', z, o[ 0 ], z, o[ 1 ] );
 }