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authormarha <marha@users.sourceforge.net>2012-09-27 15:15:06 +0200
committermarha <marha@users.sourceforge.net>2012-09-27 15:15:06 +0200
commit24703f26d8ed55b1971aa2e94d33636e871bff0b (patch)
tree3e57b600f4446a1db1d8e73cb8a83519570eb678 /mesalib/src/mesa/main/imports.h
parent94ef26cb962261d0b47daf7ef3c856510999bd4c (diff)
parent2cf1e3de4759264eac2fa8ac758ea750636542f8 (diff)
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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/imports.h')
-rw-r--r--mesalib/src/mesa/main/imports.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h
index 81da51047..a78d67966 100644
--- a/mesalib/src/mesa/main/imports.h
+++ b/mesalib/src/mesa/main/imports.h
@@ -145,6 +145,13 @@ static inline int isblank(int ch) { return ch == ' ' || ch == '\t'; }
/*@}*/
+/*
+ * signbit() is a macro on Linux. Not available on Windows.
+ */
+#ifndef signbit
+#define signbit(x) ((x) < 0.0f)
+#endif
+
/** single-precision inverse square root */
static inline float