Multiplies a floating-point number by a power of 2.

[Format]

#include <math.h>

double ldexp (double e, long f);

float ldexpf (float e, long f);

long double ldexpl (long double e, long f);

[Parameters]

e Floating-point number to be multiplied by a power of 2

f Power-of-2 value

[Return values]

Result of e * 2f operation