/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

'use strict';

/**
* Returns a uniformly distributed pseudorandom number with minimum support `a` and maximum support `b`.
*
* @private
* @param {Function} rand - pseudorandom number generator
* @param {number} a - minimum support
* @param {number} b - maximum support
* @returns {number} pseudorandom number
*/
function uniform( rand, a, b ) {
	var r = rand();
	return ( b*r ) + ( (1.0-r)*a ); // equivalent to (b-a)*r + a
}


// EXPORTS //

module.exports = uniform;

/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

'use strict';

/**
* Returns a uniformly distributed pseudorandom number with minimum support `a` and maximum support `b`.
*
* @private
* @param {Function} rand - pseudorandom number generator
* @param {number} a - minimum support
* @param {number} b - maximum support
* @returns {number} pseudorandom number
*/
function uniform( rand, a, b ) {
	return ( (b-a)*rand() ) + a;
}


// EXPORTS //

module.exports = uniform;

--- 
+++ 
@@ -28,7 +28,8 @@
 * @returns {number} pseudorandom number
 */
 function uniform( rand, a, b ) {
-	return ( (b-a)*rand() ) + a;
+	var r = rand();
+	return ( b*r ) + ( (1.0-r)*a ); // equivalent to (b-a)*r + a
 }
 
 
Use a more numerically stable algorithm
