diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/packetmath.cpp | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/test/packetmath.cpp b/test/packetmath.cpp index 94a83c008..ae7168fc8 100644 --- a/test/packetmath.cpp +++ b/test/packetmath.cpp @@ -546,14 +546,45 @@ void packetmath_real() { CHECK_CWISE1_IF(PacketTraits::HasCeil, numext::ceil, internal::pceil); CHECK_CWISE1_IF(PacketTraits::HasFloor, numext::floor, internal::pfloor); CHECK_CWISE1_IF(PacketTraits::HasRint, numext::rint, internal::print); - - // See bug 1785. - for (int i = 0; i < size; ++i) { - data1[i] = Scalar(-1.5 + i); - data2[i] = Scalar(-1.5 + i); + + // Rounding edge cases. + if (PacketTraits::HasRound || PacketTraits::HasCeil || PacketTraits::HasFloor || PacketTraits::HasRint) { + typedef typename internal::make_integer<Scalar>::type IntType; + // Start with values that cannot fit inside an integer, work down to less than one. + Scalar val = numext::mini( + Scalar(2) * static_cast<Scalar>(NumTraits<IntType>::highest()), + NumTraits<Scalar>::highest()); + std::vector<Scalar> values; + while (val > Scalar(0.25)) { + // Cover both even and odd, positive and negative cases. + values.push_back(val); + values.push_back(val + Scalar(0.3)); + values.push_back(val + Scalar(0.5)); + values.push_back(val + Scalar(0.8)); + values.push_back(val + Scalar(1)); + values.push_back(val + Scalar(1.3)); + values.push_back(val + Scalar(1.5)); + values.push_back(val + Scalar(1.8)); + values.push_back(-val); + values.push_back(-val - Scalar(0.3)); + values.push_back(-val - Scalar(0.5)); + values.push_back(-val - Scalar(0.8)); + values.push_back(-val - Scalar(1)); + values.push_back(-val - Scalar(1.3)); + values.push_back(-val - Scalar(1.5)); + values.push_back(-val - Scalar(1.8)); + values.push_back(Scalar(-1.5) + val); // Bug 1785. + val = val / Scalar(2); + } + + for (size_t k=0; k<values.size(); ++k) { + data1[0] = values[k]; + CHECK_CWISE1_IF(PacketTraits::HasRound, numext::round, internal::pround); + CHECK_CWISE1_IF(PacketTraits::HasCeil, numext::ceil, internal::pceil); + CHECK_CWISE1_IF(PacketTraits::HasFloor, numext::floor, internal::pfloor); + CHECK_CWISE1_IF(PacketTraits::HasRint, numext::rint, internal::print); + } } - CHECK_CWISE1_IF(PacketTraits::HasRound, numext::round, internal::pround); - CHECK_CWISE1_IF(PacketTraits::HasRint, numext::rint, internal::print); for (int i = 0; i < size; ++i) { data1[i] = Scalar(internal::random<double>(-1, 1)); |