diff options
Diffstat (limited to 'winsup/mingw/mingwex/math/acosf.c')
-rw-r--r-- | winsup/mingw/mingwex/math/acosf.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/winsup/mingw/mingwex/math/acosf.c b/winsup/mingw/mingwex/math/acosf.c deleted file mode 100644 index 364f6a9..0000000 --- a/winsup/mingw/mingwex/math/acosf.c +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - -#include <math.h> - -float -acosf (float x) -{ - float res; - - /* acosl = atanl (sqrtl(1 - x^2) / x) */ - asm ( "fld %%st\n\t" - "fmul %%st(0)\n\t" /* x^2 */ - "fld1\n\t" - "fsubp\n\t" /* 1 - x^2 */ - "fsqrt\n\t" /* sqrtl (1 - x^2) */ - "fxch %%st(1)\n\t" - "fpatan" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} |