docs: replace manual for loop in examples

PR-URL: #6468
Reviewed-by: Athan Reines <[email protected]>

Author: hrshya

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

@@ -83,17 +83,16 @@ v = inv( NaN );
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
 var inv = require( '@stdlib/math/base/special/inv' );
 
-var x;
-var i;
+var opts = {
+    'dtype': 'float64'
+};
+var x = discreteUniform( 100, -50, 50, opts );
 
-for ( i = 0; i < 100; i++ ) {
-    x = round( randu()*100.0 ) - 50.0;
-    console.log( 'inv(%d) = %d', x, inv( x ) );
-}
+logEachMap( 'inv(%0.4f) = %0.4f', x, inv );
 ```
 
 </section>

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

@@ -18,14 +18,13 @@
 
 'use strict';
 
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
 var inv = require( './../lib' );
 
-var x;
-var i;
+var opts = {
+	'dtype': 'float64'
+};
+var x = discreteUniform( 100, -50, 50, opts );
 
-for ( i = 0; i < 100; i++ ) {
-	x = round( randu()*100.0 ) - 50.0;
-	console.log( 'inv(%d) = %d', x, inv( x ) );
-}
+logEachMap( 'inv(%0.4f) = %0.4f', x, inv );

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

@@ -83,17 +83,16 @@ v = invf( NaN );
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
 var invf = require( '@stdlib/math/base/special/invf' );
 
-var x;
-var i;
+var opts = {
+    'dtype': 'float32'
+};
+var x = discreteUniform( 100, -50, 50, opts );
 
-for ( i = 0; i < 100; i++ ) {
-    x = round( randu()*100.0 ) - 50.0;
-    console.log( 'invf(%d) = %d', x, invf( x ) );
-}
+logEachMap( 'invf(%0.4f) = %0.4f', x, invf );
 ```
 
 </section>

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

@@ -18,14 +18,13 @@
 
 'use strict';
 
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
 var invf = require( './../lib' );
 
-var x;
-var i;
+var opts = {
+	'dtype': 'float32'
+};
+var x = discreteUniform( 100, -50, 50, opts );
 
-for ( i = 0; i < 100; i++ ) {
-	x = round( randu()*100.0 ) - 50.0;
-	console.log( 'invf(%d) = %d', x, invf( x ) );
-}
+logEachMap( 'invf(%0.4f) = %0.4f', x, invf );