Changeset 109 for mppenc/trunk/src/fastmath.c

Timestamp:

11/10/06 22:04:46 (17 years ago)

Author:

zorg

Message:

Remove math aliasing issues which were breaking gcc

File:

• mppenc/trunk/src/fastmath.c (modified) (3 diffs)

mppenc/trunk/src/fastmath.c

@@ -19 +19 @@
 
 #include "mppenc.h"
+#include "fastmath.h"
 
 #ifdef FAST_MATH
@@ -30 +31 @@
 void   Init_FastMath ( void )
 {
-    int     i;
-    float   X;
-    float   Y;
-    double  xm;
-    double  x0;
-    double  xp;
-    double  x;
-    double  y;
-    float*  p;
+    int i; mpc_floatint X, Y; double xm, x0, xp, x, y; float* p;
 
     p = (float*) tabatan2;
@@ -64 +57 @@
     p = (float*) tabsqrt_ex;
     for ( i = 0; i < 255; i++ ) {
-        *(int*)&X = (i << 23);
-        *(int*)&Y = (i << 23) + (1<<23) - 1;
-        *p++ = sqrt(X);
+        X.n = (i << 23);
+        Y.n = (i << 23) + (1<<23) - 1;
+        *p++ = sqrt(X.f);
     }
-    *(int*)&X = (255 << 23) - 1;
-    *p++ = sqrt(X);
+    X.n  = (255 << 23) - 1;
+    *p++ = sqrt(X.f);
 
     p = (float*) tabsqrt_m;