bench: resolve lint errors

Author: kgryte

lib/node_modules/@stdlib/math/base/assert/is-composite/benchmark/c/native/benchmark.c

@@ -76,11 +76,11 @@ static double tic( void ) {
 }
 
 /**
-* Generates a random number on the interval [ 0,1 ].
+* Generates a random number on the interval [0,1).
 *
 * @return random number
 */
-double rand_double() {
+static double rand_double( void ) {
 	int r = rand();
 	return (double)r / ( (double)RAND_MAX + 1.0 );
 }

lib/node_modules/@stdlib/math/base/assert/is-nonpositive-finite/benchmark/c/native/benchmark.c

@@ -76,11 +76,11 @@ static double tic( void ) {
 }
 
 /**
-* Generates a random number on the interval [ 0,1 ].
+* Generates a random number on the interval [0,1).
 *
 * @return random number
 */
-double rand_double() {
+static double rand_double( void ) {
 	int r = rand();
 	return (double)r / ( (double)RAND_MAX + 1.0 );
 }

lib/node_modules/@stdlib/math/base/special/xlog1py/benchmark/c/native/benchmark.c

@@ -75,11 +75,11 @@ static double tic( void ) {
 }
 
 /**
-* Generates a random number on the interval [ 0,1 ].
+* Generates a random number on the interval [0,1).
 *
 * @return random number
 */
-double rand_double() {
+static double rand_double( void ) {
 	int r = rand();
 	return (double)r / ( (double)RAND_MAX + 1.0 );
 }

lib/node_modules/@stdlib/math/base/special/xlogy/benchmark/c/native/benchmark.c

@@ -75,11 +75,11 @@ static double tic( void ) {
 }
 
 /**
-* Generates a random number on the interval [ 0,1 ].
+* Generates a random number on the interval [0,1).
 *
 * @return random number
 */
-double rand_double() {
+static double rand_double( void ) {
 	int r = rand();
 	return (double)r / ( (double)RAND_MAX + 1.0 );
 }