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0 Command: frexp | Section: 3 | Source: UNIX v7 | File: frexp.3
FREXP(3) Library Functions Manual FREXP(3) 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 inte- ger part indirectly through iptr. FREXP(3)

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