Originální popis anglicky:
ldexp, ldexpf, ldexpl - multiply floating-point number by integral power of 2
Návod, kniha: Linux Programmer's Manual
#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.
The
ldexp() function returns the result of multiplying the floating-point
number
x by 2 raised to the power
exp.
SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99
requirements.
frexp(3),
modf(3),
scalb(3)