66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
// Copyright by Contributors
|
|
#include <gtest/gtest.h>
|
|
#include <xgboost/c_api.h>
|
|
#include <xgboost/data.h>
|
|
|
|
TEST(c_api, XGDMatrixCreateFromMatDT) {
|
|
std::vector<int> col0 = {0, -1, 3};
|
|
std::vector<float> col1 = {-4.0f, 2.0f, 0.0f};
|
|
const char *col0_type = "int32";
|
|
const char *col1_type = "float32";
|
|
std::vector<void *> data = {col0.data(), col1.data()};
|
|
std::vector<const char *> types = {col0_type, col1_type};
|
|
DMatrixHandle handle;
|
|
XGDMatrixCreateFromDT(data.data(), types.data(), 3, 2, &handle,
|
|
0);
|
|
std::shared_ptr<xgboost::DMatrix> *dmat =
|
|
static_cast<std::shared_ptr<xgboost::DMatrix> *>(handle);
|
|
xgboost::MetaInfo &info = (*dmat)->Info();
|
|
ASSERT_EQ(info.num_col_, 2);
|
|
ASSERT_EQ(info.num_row_, 3);
|
|
ASSERT_EQ(info.num_nonzero_, 6);
|
|
|
|
for (const auto &batch : (*dmat)->GetBatches<xgboost::SparsePage>()) {
|
|
ASSERT_EQ(batch[0][0].fvalue, 0.0f);
|
|
ASSERT_EQ(batch[0][1].fvalue, -4.0f);
|
|
ASSERT_EQ(batch[2][0].fvalue, 3.0f);
|
|
ASSERT_EQ(batch[2][1].fvalue, 0.0f);
|
|
}
|
|
|
|
delete dmat;
|
|
}
|
|
|
|
TEST(c_api, XGDMatrixCreateFromMat_omp) {
|
|
std::vector<int> num_rows = {100, 11374, 15000};
|
|
for (auto row : num_rows) {
|
|
int num_cols = 50;
|
|
int num_missing = 5;
|
|
DMatrixHandle handle;
|
|
std::vector<float> data(num_cols * row, 1.5);
|
|
for (int i = 0; i < num_missing; i++) {
|
|
data[i] = std::numeric_limits<float>::quiet_NaN();
|
|
}
|
|
|
|
XGDMatrixCreateFromMat_omp(data.data(), row, num_cols,
|
|
std::numeric_limits<float>::quiet_NaN(), &handle,
|
|
0);
|
|
|
|
std::shared_ptr<xgboost::DMatrix> *dmat =
|
|
static_cast<std::shared_ptr<xgboost::DMatrix> *>(handle);
|
|
xgboost::MetaInfo &info = (*dmat)->Info();
|
|
ASSERT_EQ(info.num_col_, num_cols);
|
|
ASSERT_EQ(info.num_row_, row);
|
|
ASSERT_EQ(info.num_nonzero_, num_cols * row - num_missing);
|
|
|
|
for (const auto &batch : (*dmat)->GetBatches<xgboost::SparsePage>()) {
|
|
for (size_t i = 0; i < batch.Size(); i++) {
|
|
auto inst = batch[i];
|
|
for (auto e : inst) {
|
|
ASSERT_EQ(e.fvalue, 1.5);
|
|
}
|
|
}
|
|
}
|
|
delete dmat;
|
|
}
|
|
}
|