29 lines
1.2 KiB
C++
29 lines
1.2 KiB
C++
// Copyright by Contributors
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#include <xgboost/objective.h>
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#include <xgboost/context.h>
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#include <limits>
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#include "../helpers.h"
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namespace xgboost {
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TEST(Objective, DeclareUnifiedTest(HingeObj)) {
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Context ctx = MakeCUDACtx(GPUIDX);
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std::unique_ptr<ObjFunction> obj{ObjFunction::Create("binary:hinge", &ctx)};
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float eps = std::numeric_limits<xgboost::bst_float>::min();
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CheckObjFunction(obj,
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{-1.0f, -0.5f, 0.5f, 1.0f, -1.0f, -0.5f, 0.5f, 1.0f},
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{ 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f},
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{ 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f},
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{ 0.0f, 1.0f, 1.0f, 1.0f, -1.0f, -1.0f, -1.0f, 0.0f},
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{ eps, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, eps });
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CheckObjFunction(obj,
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{-1.0f, -0.5f, 0.5f, 1.0f, -1.0f, -0.5f, 0.5f, 1.0f},
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{ 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f},
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{}, // Empty weight.
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{ 0.0f, 1.0f, 1.0f, 1.0f, -1.0f, -1.0f, -1.0f, 0.0f},
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{ eps, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, eps });
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ASSERT_NO_THROW(obj->DefaultEvalMetric());
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}
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} // namespace xgboost
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