Mercurial > mxe-octave
view src/build-msvctools/math/logb.c @ 3061:f8299bb6c872
Initial support for native MSVC compilation.
* add MSVC support files: compiler wrappers and support libraries
* adapt libiconv to work with MSVC
* adapt gettext to work with MSVC
author | Michael Goffioul <michael.goffioul@gmail.com> |
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date | Mon, 17 Jun 2013 22:43:11 -0400 |
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/* * Written by J.T. Conklin <jtc@netbsd.org>. * Changes for long double by Ulrich Drepper <drepper@cygnus.com> * Public domain. */ #include <math.h> double logb (double x) { double res; asm ("fxtract\n\t" "fstp %%st" : "=t" (res) : "0" (x)); return res; }