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FREXP(3G) [FIXME: manual] FREXP(3G)

NAME

frexp - split a floating point number

DECLARATION

genType frexp(genType x, out genIType exp);

genDType frexp(genDType x, out genIType exp);

PARAMETERS

x

Specifies the value from which significand and exponent are to be extracted.

out exp

Specifies the variable into which to place the exponent

DESCRIPTION

frexp extracts x into a floating-point significand in the range [0.5, 1.0) and in integral exponent of two, such that:

x = significand ⋅ 2 exponent

The significand is returned by the function and the exponent is returned in the output parameter exp. For a floating-point value of zero, the significand and exponent are both zero. For a floating-point value that is an infinity or a floating-point NaN, the results are undefined.

VERSION SUPPORT

OpenGL Shading Language Version
Function Name 1.10 1.20 1.30 1.40 1.50 3.30 4.00 4.10 4.20 4.30 4.40 4.50
frexp (genType) - - - - - - ✔ ✔ ✔ ✔ ✔ ✔
frexp (genDType) - - - - - - ✔ ✔ ✔ ✔ ✔ ✔

SEE ALSO

ldexp()

COPYRIGHT

Copyright © 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.

COPYRIGHT

Copyright © 2011-2014 Khronos Group

01/03/2018 [FIXME: source]