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Man Pages


Manual Reference Pages  -  SIGNIFICANDF (3)

NAME

scalb, scalbf, significand, significandf - IEEE test functions

CONTENTS

Library
Synopsis
Description
See Also
Standards

LIBRARY


.Lb libm

SYNOPSIS


.In math.h double scalb double x double n float scalbf float x float n double significand double x float significandf float x

DESCRIPTION

These functions allow users to test conformance to -ieee754. Their use is not otherwise recommended.

scalb x n and scalbf x n return x *(2** n) computed by exponent manipulation. If n is not an integer, ±oo, or an NaN, the result is unspecified.

significand x and significandf x return sig, where x := sig * 2** n with 1 <= sig < 2. significand x and significandf x are not defined when x is 0, ±oo, or NaN.

SEE ALSO

ieee(3), math(3)

STANDARDS

-ieee754
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