Index: libcfa/src/math.hfa
===================================================================
--- libcfa/src/math.hfa	(revision 6645cdad002c91909526748eaca564f1323680a1)
+++ libcfa/src/math.hfa	(revision 2f5ea69b6db7b5cd41a83b98373f3b70e83aeddb)
@@ -5,11 +5,11 @@
 // file "LICENCE" distributed with Cforall.
 //
-// math --
+// math.hfa --
 //
 // Author           : Peter A. Buhr
 // Created On       : Mon Apr 18 23:37:04 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Mon Apr 12 18:35:39 2021
-// Update Count     : 131
+// Last Modified On : Thu Apr 15 11:47:56 2021
+// Update Count     : 132
 //
 
@@ -104,5 +104,5 @@
 	int log2( unsigned int n ) { return n == 0 ? -1 : sizeof(n) * __CHAR_BIT__ - 1 - __builtin_clz( n ); }
 	long int log2( unsigned long int n ) { return n == 0 ? -1 : sizeof(n) * __CHAR_BIT__ - 1 - __builtin_clzl( n ); }
-	long long int log2( unsigned long long int n ) { return n == 0 ? -1 : sizeof(n) * __CHAR_BIT__ - 1 - __builtin_clzl( n ); }
+	long long int log2( unsigned long long int n ) { return n == 0 ? -1 : sizeof(n) * __CHAR_BIT__ - 1 - __builtin_clzll( n ); }
 	float log2( float x ) { return log2f( x ); }
 	// extern "C" { double log2( double ); }