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author | marha <marha@users.sourceforge.net> | 2012-09-27 15:15:06 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2012-09-27 15:15:06 +0200 |
commit | 24703f26d8ed55b1971aa2e94d33636e871bff0b (patch) | |
tree | 3e57b600f4446a1db1d8e73cb8a83519570eb678 /mesalib/src/mesa/main/macros.h | |
parent | 94ef26cb962261d0b47daf7ef3c856510999bd4c (diff) | |
parent | 2cf1e3de4759264eac2fa8ac758ea750636542f8 (diff) | |
download | vcxsrv-24703f26d8ed55b1971aa2e94d33636e871bff0b.tar.gz vcxsrv-24703f26d8ed55b1971aa2e94d33636e871bff0b.tar.bz2 vcxsrv-24703f26d8ed55b1971aa2e94d33636e871bff0b.zip |
Merge remote-tracking branch 'origin/released'
* origin/released:
mesa xserver pixman xkeyboard-config git update 27 sep 2012
Diffstat (limited to 'mesalib/src/mesa/main/macros.h')
-rw-r--r-- | mesalib/src/mesa/main/macros.h | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/mesalib/src/mesa/main/macros.h b/mesalib/src/mesa/main/macros.h index 04d59d79c..7b7fd1b6d 100644 --- a/mesalib/src/mesa/main/macros.h +++ b/mesalib/src/mesa/main/macros.h @@ -693,31 +693,14 @@ NORMALIZE_3FV(GLfloat v[3]) static inline GLboolean IS_NEGATIVE(float x) { -#if defined(USE_IEEE) - fi_type fi; - fi.f = x; - return fi.i < 0; -#else - return x < 0.0F; -#endif + return signbit(x) != 0; } - /** Test two floats have opposite signs */ static inline GLboolean DIFFERENT_SIGNS(GLfloat x, GLfloat y) { -#if defined(USE_IEEE) - fi_type xfi, yfi; - xfi.f = x; - yfi.f = y; - return !!((xfi.i ^ yfi.i) & (1u << 31)); -#else - /* Could just use (x*y<0) except for the flatshading requirements. - * Maybe there's a better way? - */ - return ((x) * (y) <= 0.0F && (x) - (y) != 0.0F); -#endif + return signbit(x) != signbit(y); } |