FREXP

Section: C Library Functions (3)
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NAME

frexp, ldexp, modf - split into mantissa and exponent  

SYNOPSIS

double frexp(value, eptr)
double value;
int *eptr;

double ldexp(value, exp)
double value;

double modf(value, iptr)
double value, *iptr;  

DESCRIPTION

Frexp returns the mantissa of a double value as a double quantity, x, of magnitude less than 1 and stores an integer n such that value = x*2**n indirectly through eptr.

Ldexp returns the quantity value*2**exp.

Modf returns the positive fractional part of value and stores the integer part indirectly through iptr.


 

Index

NAME
SYNOPSIS
DESCRIPTION

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