ldexp (3)

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 ALSO frexp(3), modf(3), scalb(3) 2004-10-31 LDEXP(3)