devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Protect further isnan/isfinite/isinf calls

Browse Source
This commit is contained in:
Christoph Hertzberg
2015-08-16 14:00:02 +02:00
parent a40f6ab276
commit d6a4805fdf
5 changed files with 47 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
test/packetmath.cpp
View File

@@ -318,7 +318,7 @@ template<typename Scalar> void packetmath_real()
data1[1] = std::numeric_limits<Scalar>::epsilon();
packet_helper<internal::packet_traits<Scalar>::HasExp,Packet> h;
h.store(data2, internal::pexp(h.load(data1)));
VERIFY(numext::isnan(data2[0]));
VERIFY((numext::isnan)(data2[0]));
VERIFY_IS_EQUAL(std::exp(std::numeric_limits<Scalar>::epsilon()), data2[1]);
data1[0] = -std::numeric_limits<Scalar>::epsilon();
@@ -354,34 +354,34 @@ template<typename Scalar> void packetmath_real()
data1[1] = std::numeric_limits<Scalar>::epsilon();
packet_helper<internal::packet_traits<Scalar>::HasLog,Packet> h;
h.store(data2, internal::plog(h.load(data1)));
VERIFY(std::isnan(data2[0]));
VERIFY((numext::isnan)(data2[0]));
// VERIFY_IS_EQUAL(std::log(std::numeric_limits<Scalar>::epsilon()), data2[1]);
data1[0] = -std::numeric_limits<Scalar>::epsilon();
data1[1] = 0;
h.store(data2, internal::plog(h.load(data1)));
VERIFY(std::isnan(data2[0]));
VERIFY((numext::isnan)(data2[0]));
// VERIFY_IS_EQUAL(std::log(0), data2[1]);
data1[0] = (std::numeric_limits<Scalar>::min)();
data1[1] = -(std::numeric_limits<Scalar>::min)();
h.store(data2, internal::plog(h.load(data1)));
VERIFY_IS_EQUAL(std::log((std::numeric_limits<Scalar>::min)()), data2[0]);
// VERIFY(std::isnan(data2[1]));
// VERIFY((numext::isnan)(data2[1]));
data1[0] = std::numeric_limits<Scalar>::denorm_min();
data1[1] = -std::numeric_limits<Scalar>::denorm_min();
h.store(data2, internal::plog(h.load(data1)));
// VERIFY_IS_EQUAL(std::log(std::numeric_limits<Scalar>::denorm_min()), data2[0]);
// VERIFY(std::isnan(data2[1]));
// VERIFY((numext::isnan)(data2[1]));
data1[0] = -1.0f;
h.store(data2, internal::plog(h.load(data1)));
VERIFY(std::isnan(data2[0]));
VERIFY((numext::isnan)(data2[0]));
#if !EIGEN_FAST_MATH
h.store(data2, internal::psqrt(h.load(data1)));
VERIFY(numext::isnan(data2[0]));
VERIFY(numext::isnan(data2[1]));
VERIFY((numext::isnan)(data2[0]));
VERIFY((numext::isnan)(data2[1]));
#endif
}
}