LDEXP(3) Linux Programmer's Manual LDEXP(3)NAME
ldexp, ldexpf, ldexpl - multiply floating-point number by integral
power of 2
SYNOPSIS
#include <math.h>
double ldexp(double x, int exp);
float ldexpf(float x, int exp);
long double ldexpl(long double x, int exp);
Link with -lm.
DESCRIPTION
The ldexp() function returns the result of multiplying the floating-
point number x by 2 raised to the power exp.
CONFORMING TO
SVr4, 4.3BSD, C89. The float and long double variants are C99 require‐
ments.
SEE ALSOfrexp(3), modf(3), scalb(3)
2004-10-31 LDEXP(3)