File size: 1,548 Bytes
569457d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | // Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
// #include <bitset>
#include <vector>
#include "inc/Test.h"
#include "inc/Core/Common/SIMDUtils.h"
template<typename T>
static void ComputeSum(T *pX, const T *pY, SPTAG::DimensionType length)
{
const T* pEnd1 = pX + length;
while (pX < pEnd1) {
*pX++ += *pY++;
}
}
template<typename T>
T random(int high = RAND_MAX, int low = 0) // Generates a random value.
{
return (T)(low + float(high - low)*(std::rand()/static_cast<float>(RAND_MAX + 1.0)));
}
template<typename T>
void test(int high) {
SPTAG::DimensionType dimension = random<SPTAG::DimensionType>(256, 2);
T *X = new T[dimension], *Y = new T[dimension];
BOOST_ASSERT(X != nullptr && Y != nullptr);
for (SPTAG::DimensionType i = 0; i < dimension; i++) {
X[i] = random<T>(high, -high);
Y[i] = random<T>(high, -high);
}
T *X_copy = new T[dimension];
for (SPTAG::DimensionType i = 0; i < dimension; i++) {
X_copy[i] = X[i];
}
ComputeSum(X, Y, dimension);
SPTAG::COMMON::SIMDUtils::ComputeSum(X_copy, Y, dimension);
for (SPTAG::DimensionType i = 0; i < dimension; i++) {
BOOST_CHECK_CLOSE_FRACTION(double(X[i]), double(X_copy[i]), 1e-5);
}
delete[] X;
delete[] Y;
delete[] X_copy;
}
BOOST_AUTO_TEST_SUITE(SIMDTest)
BOOST_AUTO_TEST_CASE(TestDistanceComputation)
{
test<float>(1);
test<std::int8_t>(127);
test<std::int16_t>(32767);
}
BOOST_AUTO_TEST_SUITE_END()
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