Merge remote-tracking branch 'gerrit/release-4-5-patches' into release-4-6

[alexxy/gromacs.git] / include / maths.h

diff --git a/include/maths.h b/include/maths.h
index 21755c2115c37696ac084e9c9adbbb706cf9e100..5d29e53487d44b4a68135437084e657ab22d37d4 100644 (file)
--- a/include/maths.h
+++ b/include/maths.h
@@ -169,6 +169,14 @@ gmx_log2(real x)
     return log( x ) * iclog2;
 }
 
+/*! /brief Multiply two large ints
+ *
+ *  Returns true when overflow did not occur.
+ */
+gmx_bool
+check_int_multiply_for_overflow(gmx_large_int_t a,
+                                gmx_large_int_t b,
+                                gmx_large_int_t *result);
 
 #ifdef __cplusplus
 }