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-rw-r--r--lib/min-max.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/min-max.h b/lib/min-max.h
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--- /dev/null
+++ b/lib/min-max.h
@@ -0,0 +1,6 @@
+#ifndef min
+# define min(a,b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef max
+# define max(a,b) ((a) > (b) ? (a) : (b))
+#endif