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Merge branch 'patch-1' of https://github.com/HaydnTrigg/glslang into HaydnTrigg-patch-1

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This commit is contained in:
John Kessenich 2018-07-02 16:04:08 -06:00
commit c88edb1319
1 changed files with 21 additions and 1 deletions
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22
glslang/MachineIndependent/Constant.cpp
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@ -179,7 +179,27 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TIntermTyped* right
case EbtDouble: case EbtDouble:
case EbtFloat: case EbtFloat:
case EbtFloat16: case EbtFloat16:
newConstArray[i].setDConst(leftUnionArray[i].getDConst() / rightUnionArray[i].getDConst()); {
auto right = rightUnionArray[i].getDConst();
auto left = leftUnionArray[i].getDConst();
if (right)
{
newConstArray[i].setDConst(left / right);
}
else if (left > 0)
{
newConstArray[i].setDConst((double)INFINITY);
}
else if (left < 0)
{
newConstArray[i].setDConst((double)-INFINITY);
}
else
{
newConstArray[i].setDConst((double)NAN);
}
}
break; break;
case EbtInt8: case EbtInt8:
if (rightUnionArray[i] == (signed char)0) if (rightUnionArray[i] == (signed char)0)