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Add tests for MultiplyAdd

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This commit is contained in:
Jean Pierre Cimalando 2020-03-02 16:29:47 +01:00
parent 259e201fac
commit 42343c88a1
1 changed files with 53 additions and 2 deletions
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51
tests/SIMDHelpersT.cpp
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@ -606,6 +606,57 @@ TEST_CASE("[Helpers] Add (SIMD vs scalar)")
REQUIRE(approxEqual<float>(outputScalar, outputSIMD)); REQUIRE(approxEqual<float>(outputScalar, outputSIMD));
} }
TEST_CASE("[Helpers] MultiplyAdd (SIMD)")
{
std::array<float, 5> gain { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f };
std::array<float, 5> input { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f };
std::array<float, 5> output { 5.0f, 4.0f, 3.0f, 2.0f, 1.0f };
std::array<float, 5> expected { 5.0f, 4.2f, 3.6f, 3.2f, 3.0f };
sfz::multiplyAdd<float, true>(gain, input, absl::MakeSpan(output));
REQUIRE(output == expected);
}
TEST_CASE("[Helpers] MultiplyAdd (SIMD vs scalar)")
{
std::vector<float> gain(bigBufferSize);
std::vector<float> input(bigBufferSize);
std::vector<float> outputScalar(bigBufferSize);
std::vector<float> outputSIMD(bigBufferSize);
absl::c_iota(gain, 0.0f);
absl::c_iota(input, 0.0f);
absl::c_iota(outputScalar, 0.0f);
absl::c_iota(outputSIMD, 0.0f);
sfz::multiplyAdd<float, false>(gain, input, absl::MakeSpan(outputScalar));
sfz::multiplyAdd<float, true>(gain, input, absl::MakeSpan(outputSIMD));
REQUIRE(approxEqual<float>(outputScalar, outputSIMD));
}
TEST_CASE("[Helpers] MultiplyAdd fixed gain (SIMD)")
{
float gain = 0.3f;
std::array<float, 5> input { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f };
std::array<float, 5> output { 5.0f, 4.0f, 3.0f, 2.0f, 1.0f };
std::array<float, 5> expected { 5.3f, 4.6f, 3.9f, 3.2f, 2.5f };
sfz::multiplyAdd<float, true>(gain, input, absl::MakeSpan(output));
REQUIRE(output == expected);
}
TEST_CASE("[Helpers] MultiplyAdd fixed gain (SIMD vs scalar)")
{
float gain = 0.3f;
std::vector<float> input(bigBufferSize);
std::vector<float> outputScalar(bigBufferSize);
std::vector<float> outputSIMD(bigBufferSize);
absl::c_iota(input, 0.0f);
absl::c_iota(outputScalar, 0.0f);
absl::c_iota(outputSIMD, 0.0f);
sfz::multiplyAdd<float, false>(gain, input, absl::MakeSpan(outputScalar));
sfz::multiplyAdd<float, true>(gain, input, absl::MakeSpan(outputSIMD));
REQUIRE(approxEqual<float>(outputScalar, outputSIMD));
}
TEST_CASE("[Helpers] Subtract") TEST_CASE("[Helpers] Subtract")
{ {
std::array<float, 5> input { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f }; std::array<float, 5> input { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f };