thirdparty/scummvm
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no need to keep these regression tests: the changes are mathematically and operationally (read: taking into account side effects and special cases in computer arithmetics) equivalent to the old code

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svn-id: r8606
This commit is contained in:
Max Horn 2003-06-22 12:03:24 +00:00
parent 11ff7fe9a3
commit e7c3fae1e8
1 changed files with 0 additions and 4 deletions
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4
common/scaler.cpp
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@ -97,8 +97,6 @@ static inline int GetResult(uint32 A, uint32 B, uint32 C, uint32 D) {
static inline uint32 INTERPOLATE(uint32 A, uint32 B) {
if (A != B) {
// Non regression test
assert ((((A & colorMask) + (B & colorMask)) >> 1) + (A & B & lowPixelMask)==(((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask)));
return (((A & colorMask) + (B & colorMask)) >> 1) + (A & B & lowPixelMask);
} else
return A;
@ -106,8 +104,6 @@ static inline uint32 INTERPOLATE(uint32 A, uint32 B) {
static inline uint32 Q_INTERPOLATE(uint32 A, uint32 B, uint32 C, uint32 D) {
register uint32 x = ((A & qcolorMask) + (B & qcolorMask) + (C & qcolorMask) + (D & qcolorMask))>>2;
// Non regression test
assert (x==((A & qcolorMask) >> 2) + ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2));
register uint32 y = (A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask);
y = (y >> 2) & qlowpixelMask;