summaryrefslogtreecommitdiffstats
path: root/src/core/common.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/common.h')
-rw-r--r--src/core/common.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/core/common.h b/src/core/common.h
index 9a5683c6..97a25a3f 100644
--- a/src/core/common.h
+++ b/src/core/common.h
@@ -180,6 +180,7 @@ void re3_assert(const char *expr, const char *filename, unsigned int lineno, con
#define max(a, b) (((a) > (b)) ? (a) : (b))
#define min(a, b) (((a) < (b)) ? (a) : (b))
#define ABS(a) (((a) < 0) ? (-a) : (a))
+#define norm(value, min, max) (((value) < (min)) ? 0 : (((value) > (max)) ? 1 : (((value) - (min)) / ((max) - (min)))))
#define STRINGIFY(x) #x