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Manual Pages  — LDEXP

NAME

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

CONTENTS

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").
LDEXP (3) March 4, 2005
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