diff options
Diffstat (limited to 'src/util/imports.h')
| -rw-r--r-- | src/util/imports.h | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/src/util/imports.h b/src/util/imports.h index 385b37c81b5..d56bd77e03b 100644 --- a/src/util/imports.h +++ b/src/util/imports.h @@ -129,37 +129,6 @@ static inline int IROUND_POS(float f) return (int) (f + 0.5F); } -/** Return (as an integer) floor of float */ -static inline int IFLOOR(float f) -{ -#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__) - /* - * IEEE floor for computers that round to nearest or even. - * 'f' must be between -4194304 and 4194303. - * This floor operation is done by "(iround(f + .5) + iround(f - .5)) >> 1", - * but uses some IEEE specific tricks for better speed. - * Contributed by Josh Vanderhoof - */ - int ai, bi; - double af, bf; - af = (3 << 22) + 0.5 + (double)f; - bf = (3 << 22) + 0.5 - (double)f; - /* GCC generates an extra fstp/fld without this. */ - __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st"); - __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st"); - return (ai - bi) >> 1; -#else - int ai, bi; - double af, bf; - fi_type u; - af = (3 << 22) + 0.5 + (double)f; - bf = (3 << 22) + 0.5 - (double)f; - u.f = (float) af; ai = u.i; - u.f = (float) bf; bi = u.i; - return (ai - bi) >> 1; -#endif -} - /********************************************************************** * Functions |