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froejdh_e
2024-12-11 16:27:36 +01:00
parent 60534add92
commit b3a9e9576b
8 changed files with 301 additions and 183 deletions
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src/ClusterVector.test.cpp Normal file
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#include <cstdint>
#include "aare/ClusterVector.hpp"
// #include <catch2/matchers/catch_matchers_floating_point.hpp>
#include <catch2/catch_test_macros.hpp>
using aare::ClusterVector;
TEST_CASE("ClusterVector 2x2 int32_t capacity 4, push back then read") {
struct Cluster_i2x2 {
int16_t x;
int16_t y;
int32_t data[4];
};
ClusterVector<int32_t> cv(2, 2, 4);
REQUIRE(cv.capacity() == 4);
REQUIRE(cv.size() == 0);
REQUIRE(cv.cluster_size_x() == 2);
REQUIRE(cv.cluster_size_y() == 2);
// int16_t, int16_t, 2x2 int32_t = 20 bytes
REQUIRE(cv.element_offset() == 20);
//Create a cluster and push back into the vector
Cluster_i2x2 c1 = {1, 2, {3, 4, 5, 6}};
cv.push_back(c1.x, c1.y, reinterpret_cast<std::byte*>(&c1.data[0]));
REQUIRE(cv.size() == 1);
REQUIRE(cv.capacity() == 4);
//Read the cluster back out using copy. TODO! Can we improve the API?
Cluster_i2x2 c2;
std::byte *ptr = cv.element_ptr(0);
std::copy(ptr, ptr + cv.element_offset(), reinterpret_cast<std::byte*>(&c2));
//Check that the data is the same
REQUIRE(c1.x == c2.x);
REQUIRE(c1.y == c2.y);
for(size_t i = 0; i < 4; i++) {
REQUIRE(c1.data[i] == c2.data[i]);
}
}
TEST_CASE("Summing 3x1 clusters of int64"){
struct Cluster_l3x1{
int16_t x;
int16_t y;
int64_t data[3];
};
ClusterVector<int64_t> cv(3, 1, 2);
REQUIRE(cv.capacity() == 2);
REQUIRE(cv.size() == 0);
REQUIRE(cv.cluster_size_x() == 3);
REQUIRE(cv.cluster_size_y() == 1);
//Create a cluster and push back into the vector
Cluster_l3x1 c1 = {1, 2, {3, 4, 5}};
cv.push_back(c1.x, c1.y, reinterpret_cast<std::byte*>(&c1.data[0]));
REQUIRE(cv.capacity() == 2);
REQUIRE(cv.size() == 1);
Cluster_l3x1 c2 = {6, 7, {8, 9, 10}};
cv.push_back(c2.x, c2.y, reinterpret_cast<std::byte*>(&c2.data[0]));
REQUIRE(cv.capacity() == 2);
REQUIRE(cv.size() == 2);
Cluster_l3x1 c3 = {11, 12, {13, 14, 15}};
cv.push_back(c3.x, c3.y, reinterpret_cast<std::byte*>(&c3.data[0]));
REQUIRE(cv.capacity() == 4);
REQUIRE(cv.size() == 3);
auto sums = cv.sum();
REQUIRE(sums.size() == 3);
REQUIRE(sums[0] == 12);
REQUIRE(sums[1] == 27);
REQUIRE(sums[2] == 42);
}