fix MSB.h...

Author: AAAlvesJr

hydra/detail/utility/MSB.h

@@ -77,14 +77,14 @@ msb( Integer x){
 	   unsigned y;
 	   int n = 64;
 
-	   y = _x >>32;  if (y != 0) {n = n -32;  _x = y;}
-	   y = _x >>16;  if (y != 0) {n = n -16;  _x = y;}
-	   y = _x >> 8;  if (y != 0) {n = n - 8;  _x = y;}
-	   y = _x >> 4;  if (y != 0) {n = n - 4;  _x = y;}
-	   y = _x >> 2;  if (y != 0) {n = n - 2;  _x = y;}
-	   y = _x >> 1;  if (y != 0) return n - 2;
+	   y = x >>32;  if (y != 0) {n = n -32; x = y;}
+	   y = x >>16;  if (y != 0) {n = n -16; x = y;}
+	   y = x >> 8;  if (y != 0) {n = n - 8; x = y;}
+	   y = x >> 4;  if (y != 0) {n = n - 4; x = y;}
+	   y = x >> 2;  if (y != 0) {n = n - 2; x = y;}
+	   y = x >> 1;  if (y != 0) return n - 2;
 
-	   return 63 - n - _x;
+	   return 63 - n - x;
 
 	#endif
 //device path will try to use
@@ -127,12 +127,12 @@ msb( Integer x){
 
 	   unsigned y;
 	   int n = 32;
-	   y = _x >>16;  if (y != 0) {n = n -16;  _x = y;}
-	   y = _x >> 8;  if (y != 0) {n = n - 8;  _x = y;}
-	   y = _x >> 4;  if (y != 0) {n = n - 4;  _x = y;}
-	   y = _x >> 2;  if (y != 0) {n = n - 2;  _x = y;}
-	   y = _x >> 1;  if (y != 0) return n - 2;
-	   return 31 - n - _x;
+	   y = x >>16;  if (y != 0) {n = n -16;  x = y;}
+	   y = x >> 8;  if (y != 0) {n = n - 8;  x = y;}
+	   y = x >> 4;  if (y != 0) {n = n - 4;  x = y;}
+	   y = x >> 2;  if (y != 0) {n = n - 2;  x = y;}
+	   y = x >> 1;  if (y != 0) return n - 2;
+	   return 31 - n - x;
 
 	#endif
 #else