docs: update examples

Signed-off-by: Gunj Joshi <[email protected]>

Author: gunjjoshi

lib/node_modules/@stdlib/math/base/special/ldexp/examples/c/example.c

@@ -18,44 +18,18 @@
 
 
 #include "stdlib/math/base/special/ldexp.h"
-#include "stdlib/math/base/special/frexp.h"
-#include "stdlib/math/base/special/pow.h"
-#include <stdlib.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <inttypes.h>
-
-static double rand_double() {
-	int r = rand();
-	return (double)r / ( (double)RAND_MAX + 1.0 );
-}
 
 int main( void ) {
-	double sign;
-	double frac;
-	int32_t exp;
-	double x;
-	double v;
+	double y;
 	int i;
 
-	for ( i = 0; i < 100; i++ ) {
-		if ( rand_double() < 0.5 ) {
-			sign = -1.0;
-		} else {
-			sign = 1.0;
-		}
-
-		// Generate a random number:
-		frac = rand_double() * 10.0;
-		exp = (int32_t)( rand_double()*616.0 ) - 308;
-		x = sign * frac * stdlib_base_pow( 10.0, (double)exp );
-
-		// Break the number into a normalized fraction and an integer power of two:
-		stdlib_base_frexp( x, &frac, &exp );
-
-		// Reconstitute the original number:
-		v = stdlib_base_ldexp( frac, exp );
+	const double frac[] = { 0.5, 5.0, 0.0, 3.5, 7.9 };
+	const int32_t exp[] = { 3, -2, 20, 39, 14 };
 
-		printf( "%e = %lf * 2^%" PRId32 " = %e\n", x, frac, exp, v );
+	for ( i = 0; i < 5; i++ ) {
+		y = stdlib_base_ldexp( frac[ i ], exp[ i ] );
+		printf( "ldexp(%lf, %d) = %lf\n", frac[ i ], exp[ i ], y );
 	}
 }