--- a/libtommath/tommath_private.h	Thu Feb 08 22:21:47 2018 +0800
+++ b/libtommath/tommath_private.h	Thu Feb 08 23:11:40 2018 +0800
@@ -18,9 +18,13 @@
 #include <tommath.h>
 #include <ctype.h>
 
-#define MIN(x,y) (((x) < (y)) ? (x) : (y))
+#ifndef MIN
+  #define MIN(x,y) (((x) < (y)) ? (x) : (y))
+#endif
 
-#define MAX(x,y) (((x) > (y)) ? (x) : (y))
+#ifndef MAX
+  #define MAX(x,y) (((x) > (y)) ? (x) : (y))
+#endif
 
 #ifdef __cplusplus
 extern "C" {
@@ -114,6 +118,6 @@
 #endif
 
 
-/* $Source$ */
-/* $Revision$ */
-/* $Date$ */
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */