DragonFly On-Line Manual Pages


LDEXP(3)	      DragonFly Library Functions Manual	      LDEXP(3)

NAME

ldexp, ldexpf, ldexpl -- multiply floating-point number by integral power of 2

LIBRARY

Math Library (libm, -lm)

SYNOPSIS

#include <math.h> double ldexp(double x, int exp); float ldexpf(float x, int exp); long double ldexpl(long double x, int exp);

DESCRIPTION

The ldexp(), ldexpf(), and ldexpl() functions multiply a floating-point number by an integral power of 2.

RETURN VALUES

These functions return the value of x times 2 raised to the power exp.

SEE ALSO

frexp(3), math(3), modf(3)

STANDARDS

The ldexp(), ldexpf(), and ldexpl() functions conform to ISO/IEC 9899:1999 (``ISO C99''). DragonFly 3.7 March 4, 2005 DragonFly 3.7