chore: apply suggestions from code review

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Planeshifter

lib/node_modules/@stdlib/stats/base/dists/bernoulli/quantile/benchmark/c/benchmark.c

@@ -74,6 +74,18 @@ static double tic( void ) {
 	return (double)now.tv_sec + (double)now.tv_usec/1.0e6;
 }
 
+/**
+* Generates a random number on the interval [min,max).
+*
+* @param min    minimum value (inclusive)
+* @param max    maximum value (exclusive)
+* @return       random number
+*/
+static double random_uniform( const double min, const double max ) {
+	double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+	return min + ( v * ( max - min ) );
+}
+
 /**
 * Runs a benchmark.
 *
@@ -88,9 +100,8 @@ static double benchmark( void ) {
 	int i;
 
 	for ( i = 0; i < 100; i++ ) {
-
-		r[ i ] = (double)rand() / ( (double)RAND_MAX + 1.0 );
-		p[ i ] = (double)rand() / ( (double)RAND_MAX + 1.0 );
+		r[ i ] = random_uniform( 0.0, 1.0 );
+		p[ i ] = random_uniform( 0.0, 1.0 );
 	}
 
 	t = tic();