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Only implement the lgamma, erf, and erfc functions when using a compiler compliant with the C99 specification.

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This commit is contained in:
Benoit Steiner
2015-12-10 13:09:49 -08:00
parent 53b196aa5f
commit 48877a6933
2 changed files with 28 additions and 19 deletions
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4
test/packetmath.cpp
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@@ -351,6 +351,7 @@ template<typename Scalar> void packetmath_real()
VERIFY_IS_EQUAL(std::exp(-std::numeric_limits<Scalar>::denorm_min()), data2[1]);
}
#ifdef EIGEN_HAS_C99_MATH
{
data1[0] = std::numeric_limits<Scalar>::quiet_NaN();
packet_helper<internal::packet_traits<Scalar>::HasLGamma,Packet> h;
@@ -369,6 +370,7 @@ template<typename Scalar> void packetmath_real()
h.store(data2, internal::perfc(h.load(data1)));
VERIFY((numext::isnan)(data2[0]));
}
#endif // EIGEN_HAS_C99_MATH
for (int i=0; i<size; ++i)
{
@@ -380,7 +382,7 @@ template<typename Scalar> void packetmath_real()
data1[internal::random<int>(0, PacketSize)] = 0;
CHECK_CWISE1_IF(PacketTraits::HasSqrt, std::sqrt, internal::psqrt);
CHECK_CWISE1_IF(PacketTraits::HasLog, std::log, internal::plog);
#if __cplusplus > 199711L
#if defined(EIGEN_HAS_C99_MATH) && (__cplusplus > 199711L)
CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasLGamma, std::lgamma, internal::plgamma);
CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasErf, std::erf, internal::perf);
CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasErfc, std::erfc, internal::perfc);