Projet_SETI_RISC-V/riscv-gnu-toolchain/newlib/winsup/cygwin/math/logbl.c
2023-03-06 14:48:14 +01:00

23 lines
533 B
C

/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Changes for long double by Ulrich Drepper <drepper@cygnus.com>
* Public domain.
*/
#include <math.h>
long double
logbl (long double x)
{
long double res = 0.0L;
asm volatile (
"fxtract\n\t"
"fstp %%st" : "=t" (res) : "0" (x));
return res;
}