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Fix SSE plog<float> to return -INF on 0

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This commit is contained in:
Gael Guennebaud
2013-02-14 23:34:05 +01:00
parent 912ba10efe
commit 8745da14d8
2 changed files with 10 additions and 4 deletions
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4
test/packetmath.cpp
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@@ -40,7 +40,7 @@ template<typename Scalar> bool areApprox(const Scalar* a, const Scalar* b, int s
{
for (int i=0; i<size; ++i)
{
if (!internal::isApprox(a[i],b[i]))
if (a[i]!=b[i] && !internal::isApprox(a[i],b[i]))
{
std::cout << "[" << Map<const Matrix<Scalar,1,Dynamic> >(a,size) << "]" << " != " << Map<const Matrix<Scalar,1,Dynamic> >(b,size) << "\n";
return false;
@@ -246,6 +246,8 @@ template<typename Scalar> void packetmath_real()
data1[i] = internal::random<Scalar>(0,1e6);
data2[i] = internal::random<Scalar>(0,1e6);
}
if(internal::random<float>(0,1)<0.1)
data1[internal::random<int>(0, PacketSize)] = 0;
CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasLog, std::log, internal::plog);
CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasSqrt, std::sqrt, internal::psqrt);