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Generalize unit testing of pscatter

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This commit is contained in:
Gael Guennebaud 2014-07-09 16:01:24 +02:00
parent da1e356306
commit 62f948c56a
1 changed files with 9 additions and 6 deletions
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15
test/packetmath.cpp
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@ -408,14 +408,17 @@ template<typename Scalar> void packetmath_scatter_gather() {
for (int i=0; i<PacketSize; ++i) {
data1[i] = internal::random<Scalar>()/RealScalar(PacketSize);
}
EIGEN_ALIGN_DEFAULT Scalar buffer[PacketSize*11];
memset(buffer, 0, 11*sizeof(Packet));
int stride = internal::random<int>(1,20);
EIGEN_ALIGN_DEFAULT Scalar buffer[PacketSize*20];
memset(buffer, 0, 20*sizeof(Packet));
Packet packet = internal::pload<Packet>(data1);
internal::pscatter<Scalar, Packet>(buffer, packet, 11);
internal::pscatter<Scalar, Packet>(buffer, packet, stride);
for (int i = 0; i < PacketSize*11; ++i) {
if ((i%11) == 0) {
VERIFY(isApproxAbs(buffer[i], data1[i/11], refvalue) && "pscatter");
for (int i = 0; i < PacketSize*20; ++i) {
if ((i%stride) == 0 && i<stride*PacketSize) {
VERIFY(isApproxAbs(buffer[i], data1[i/stride], refvalue) && "pscatter");
} else {
VERIFY(isApproxAbs(buffer[i], Scalar(0), refvalue) && "pscatter");
}