fix: minor fixes

Author: Neerajpathak07

lib/node_modules/@stdlib/stats/base/dists/beta/logpdf/benchmark/c/benchmark.c

@@ -76,13 +76,15 @@ static double tic( void ) {
 }
 
 /**
-* Generates a random number on the interval [0,1).
+* Generates a random number on the interval [min,max).
 *
-* @return random number
+* @param min    minimum value (inclusive)
+* @param max    maximum value (exclusive)
+* @return       random number
 */
-static double rand_double( void ) {
-	int r = rand();
-	return (double)r / ( (double)RAND_MAX + 1.0 );
+static double random_uniform( const double min, const double max ) {
+    double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+    return min + ( v*(max-min) );
 }
 
 /**

lib/node_modules/@stdlib/stats/base/dists/beta/logpdf/include/stdlib/stats/base/dists/beta/logpdf.h

@@ -29,7 +29,7 @@ extern "C" {
 /**
 * Evaluates the natural logarithm of the probability density function (logPDF) for a beta distribution with first shape parameter `alpha` and second shape parameter `beta` at a value `x`.
 */
-double stdlib_base_dists_beta_logpdf( const double x, double alpha, const double beta );
+double stdlib_base_dists_beta_logpdf( const double x, const double alpha, const double beta );
 
 #ifdef __cplusplus
 }

lib/node_modules/@stdlib/stats/base/dists/beta/logpdf/src/main.c

@@ -98,7 +98,7 @@ double stdlib_base_dists_beta_logpdf( const double x, double alpha, const double
 		if ( alpha > 1.0 ) {
 			return STDLIB_CONSTANT_FLOAT64_NINF;
 		}
-		return ln( beta );
+		return stdlib_base_ln( beta );
 	}
 	if ( x == 1.0 ) {
 		if ( beta < 1.0 ) {
@@ -107,7 +107,7 @@ double stdlib_base_dists_beta_logpdf( const double x, double alpha, const double
 		if ( beta > 1.0 ) {
 			return STDLIB_CONSTANT_FLOAT64_NINF;
 		}
-		return ln( alpha );
+		return stdlib_base_ln( alpha );
 	}
 	out = ( alpha-1.0 ) * stdlib_base_ln( x );
 	out += ( beta-1.0 ) * stdlib_base_log1p( -x );