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Fixed Visual Studio float math bug in debug

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Alex Zolotarev 2011-05-26 01:59:51 +02:00 • committed by Alex Zolotarev
parent 59fcb54926
commit 9a5c5163e1
1 changed files with 9 additions and 4 deletions
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13
base/base_tests/math_test.cpp
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@ -66,12 +66,17 @@ namespace
{
// Returns the next representable floating point value without using conversion to integer.
template <typename FloatT> FloatT NextFloat(FloatT x, int dir = 1)
template <typename FloatT> FloatT NextFloat(FloatT const x, int dir = 1)
{
FloatT d = numeric_limits<FloatT>::denorm_min();
while (x + dir * d == x)
FloatT d = dir * numeric_limits<FloatT>::denorm_min();
while (true)
{
FloatT y = x;
y += d;
if (x != y)
return y;
d *= 2;
return x + dir * d;
}
}
template <typename FloatT> void TestMaxULPs()