xgboost/tests/cpp/metric/test_elementwise_metric.cc
Rory Mitchell e939192978 Cmake improvements (#2487)
* Cmake improvements
* Add google test to cmake
2017-07-06 18:05:11 +12:00

70 lines
2.4 KiB
C++

// Copyright by Contributors
#include <xgboost/metric.h>
#include "../helpers.h"
TEST(Metric, RMSE) {
xgboost::Metric * metric = xgboost::Metric::Create("rmse");
ASSERT_STREQ(metric->Name(), "rmse");
EXPECT_NEAR(GetMetricEval(metric, {0, 1}, {0, 1}), 0, 1e-10);
EXPECT_NEAR(GetMetricEval(metric,
{0.1f, 0.9f, 0.1f, 0.9f},
{ 0, 0, 1, 1}),
0.6403f, 0.001f);
}
TEST(Metric, MAE) {
xgboost::Metric * metric = xgboost::Metric::Create("mae");
ASSERT_STREQ(metric->Name(), "mae");
EXPECT_NEAR(GetMetricEval(metric, {0, 1}, {0, 1}), 0, 1e-10);
EXPECT_NEAR(GetMetricEval(metric,
{0.1f, 0.9f, 0.1f, 0.9f},
{ 0, 0, 1, 1}),
0.5f, 0.001f);
}
TEST(Metric, LogLoss) {
xgboost::Metric * metric = xgboost::Metric::Create("logloss");
ASSERT_STREQ(metric->Name(), "logloss");
EXPECT_NEAR(GetMetricEval(metric, {0, 1}, {0, 1}), 0, 1e-10);
EXPECT_NEAR(GetMetricEval(metric,
{0.1f, 0.9f, 0.1f, 0.9f},
{ 0, 0, 1, 1}),
1.2039f, 0.001f);
}
TEST(Metric, Error) {
xgboost::Metric * metric = xgboost::Metric::Create("error");
ASSERT_STREQ(metric->Name(), "error");
EXPECT_NEAR(GetMetricEval(metric, {0, 1}, {0, 1}), 0, 1e-10);
EXPECT_NEAR(GetMetricEval(metric,
{0.1f, 0.9f, 0.1f, 0.9f},
{ 0, 0, 1, 1}),
0.5f, 0.001f);
EXPECT_ANY_THROW(xgboost::Metric::Create("error@abc"));
delete metric;
metric = xgboost::Metric::Create("error@0.5f");
EXPECT_STREQ(metric->Name(), "error");
delete metric;
metric = xgboost::Metric::Create("error@0.1");
ASSERT_STREQ(metric->Name(), "error@0.1");
EXPECT_STREQ(metric->Name(), "error@0.1");
EXPECT_NEAR(GetMetricEval(metric, {0, 1}, {0, 1}), 0, 1e-10);
EXPECT_NEAR(GetMetricEval(metric,
{0.1f, 0.2f, 0.1f, 0.2f},
{ 0, 0, 1, 1}),
0.5f, 0.001f);
}
TEST(Metric, PoissionNegLogLik) {
xgboost::Metric * metric = xgboost::Metric::Create("poisson-nloglik");
ASSERT_STREQ(metric->Name(), "poisson-nloglik");
EXPECT_NEAR(GetMetricEval(metric, {0, 1}, {0, 1}), 0.5f, 1e-10);
EXPECT_NEAR(GetMetricEval(metric,
{0.1f, 0.2f, 0.1f, 0.2f},
{ 0, 0, 1, 1}),
1.1280f, 0.001f);
}