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Apparently rand() returns zero too. Avoid that.

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This commit is contained in:
Pavel Krajcevski 2013-03-07 02:43:08 -05:00
parent 42e75a5e4c
commit 1aa62003b9
1 changed files with 2 additions and 3 deletions
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3
BPTCEncoder/src/RGBAEndpoints.cpp
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@ -504,8 +504,7 @@ static uint32 PowerIteration(const RGBAMatrix &mat, RGBADir &eigVec, double &eig
for(int nTries = 0; nTries < 3; nTries++) {
// !SPEED! Find eigenvectors by using the power method. This is good because the
// matrix is only 4x4, which allows us to use SIMD...
RGBAVector b = RGBAVector(float(rand()));
assert(b.Length() > 0);
RGBAVector b = RGBAVector(float(rand()) + 1.0f);
b /= b.Length();
bool fixed = false;