29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
// Copyright by Contributors
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#include <xgboost/metric.h>
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#include "../helpers.h"
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TEST(Metric, MultiClassError) {
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xgboost::Metric * metric = xgboost::Metric::Create("merror");
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ASSERT_STREQ(metric->Name(), "merror");
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EXPECT_ANY_THROW(GetMetricEval(metric, {0}, {0, 0}));
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EXPECT_NEAR(GetMetricEval(
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metric, {1, 0, 0, 0, 1, 0, 0, 0, 1}, {0, 1, 2}), 0, 1e-10);
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EXPECT_NEAR(GetMetricEval(metric,
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{0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f},
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{0, 1, 2}),
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0.666f, 0.001f);
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}
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TEST(Metric, MultiClassLogLoss) {
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xgboost::Metric * metric = xgboost::Metric::Create("mlogloss");
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ASSERT_STREQ(metric->Name(), "mlogloss");
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EXPECT_ANY_THROW(GetMetricEval(metric, {0}, {0, 0}));
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EXPECT_NEAR(GetMetricEval(
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metric, {1, 0, 0, 0, 1, 0, 0, 0, 1}, {0, 1, 2}), 0, 1e-10);
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EXPECT_NEAR(GetMetricEval(metric,
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{0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f},
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{0, 1, 2}),
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2.302f, 0.001f);
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}
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