docs: update examples

Author: kgryte

lib/node_modules/@stdlib/math/base/tools/evalrational/README.md

@@ -134,43 +134,26 @@ v = rational( 2.0 ); // => (20*2^0 + 8*2^1 + 3*2^2) / (10*2^0 + 9*2^1 + 1*2^2) =
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
-var Float64Array = require( '@stdlib/array/float64' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var evalrational = require( '@stdlib/math/base/tools/evalrational' );
 
-var rational;
-var sign;
-var len;
-var P;
-var Q;
-var v;
-var i;
-
 // Create two arrays of random coefficients...
-len = 10;
-P = new Float64Array( len );
-Q = new Float64Array( len );
-for ( i = 0; i < len; i++ ) {
-    if ( randu() < 0.5 ) {
-        sign = -1.0;
-    } else {
-        sign = 1.0;
-    }
-    P[ i ] = sign * round( randu()*100 );
-    Q[ i ] = sign * round( randu()*100 );
-}
+var P = discreteUniform( 10, -100, 100 );
+var Q = discreteUniform( 10, -100, 100 );
 
 // Evaluate the rational function at random values...
+var v;
+var i;
 for ( i = 0; i < 100; i++ ) {
-    v = randu() * 100.0;
+    v = uniform( 0.0, 100.0 );
     console.log( 'f(%d) = %d', v, evalrational( P, Q, v ) );
 }
 
 // Generate an `evalrational` function...
-rational = evalrational.factory( P, Q );
+var rational = evalrational.factory( P, Q );
 for ( i = 0; i < 100; i++ ) {
-    v = (randu()*100.0) - 50.0;
+    v = uniform( -50.0, 50.0 );
     console.log( 'f(%d) = %d', v, rational( v ) );
 }
 ```

lib/node_modules/@stdlib/math/base/tools/evalrational/examples/index.js

@@ -18,42 +18,25 @@
 
 'use strict';
 
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
-var Float64Array = require( '@stdlib/array/float64' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var evalrational = require( './../lib' );
 
-var rational;
-var sign;
-var len;
-var P;
-var Q;
-var v;
-var i;
-
 // Create two arrays of random coefficients...
-len = 10;
-P = new Float64Array( len );
-Q = new Float64Array( len );
-for ( i = 0; i < len; i++ ) {
-	if ( randu() < 0.5 ) {
-		sign = -1.0;
-	} else {
-		sign = 1.0;
-	}
-	P[ i ] = sign * round( randu()*100.0 );
-	Q[ i ] = sign * round( randu()*100.0 );
-}
+var P = discreteUniform( 10, -100, 100 );
+var Q = discreteUniform( 10, -100, 100 );
 
 // Evaluate the rational function at random values...
+var v;
+var i;
 for ( i = 0; i < 100; i++ ) {
-	v = randu() * 100.0;
+	v = uniform( 0.0, 100.0 );
 	console.log( 'f(%d) = %d', v, evalrational( P, Q, v ) );
 }
 
 // Generate an `evalrational` function...
-rational = evalrational.factory( P, Q );
+var rational = evalrational.factory( P, Q );
 for ( i = 0; i < 100; i++ ) {
-	v = (randu()*100.0) - 50.0;
+	v = uniform( -50.0, 50.0 );
 	console.log( 'f(%d) = %d', v, rational( v ) );
 }