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authorPeter Moulder <peter.moulder@monash.edu>2009-07-13 03:18:56 +0000
committerpjrm <pjrm@users.sourceforge.net>2009-07-13 03:18:56 +0000
commit235995e26f9c431091c1a1a7f1fc47d0835fd8c5 (patch)
treec9de17a23738a58a2a22afa9ee4722db3b7c1bb8 /src
parentdoc: add TODO comment for handling hrefs better. (diff)
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libnr/nr-macros.h: Change our CLAMP macro definition to provide both CLAMP and NR_CLAMP, and make it take precedence over any existing CLAMP macro (such as the one from Glib, which doesn't behave the way we want for NaN).
(bzr r8272)
Diffstat (limited to 'src')
-rw-r--r--src/libnr/nr-macros.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/libnr/nr-macros.h b/src/libnr/nr-macros.h
index 0e0307916..37a3675e6 100644
--- a/src/libnr/nr-macros.h
+++ b/src/libnr/nr-macros.h
@@ -30,19 +30,20 @@
#define MIN(a,b) (((a) > (b)) ? (b) : (a))
#endif
-#ifndef CLAMP
/** Returns v bounded to within [a, b]. If v is NaN then returns a.
*
* \pre \a a \<= \a b.
*/
-# define CLAMP(v,a,b) \
+#define NR_CLAMP(v,a,b) \
(assert (a <= b), \
((v) >= (a)) \
? (((v) > (b)) \
? (b) \
: (v)) \
: (a))
-#endif
+
+#undef CLAMP /* get rid of glib's version, which doesn't handle NaN correctly */
+#define CLAMP(v,a,b) NR_CLAMP(v,a,b)
#define NR_DF_TEST_CLOSE(a,b,e) (fabs ((a) - (b)) <= (e))