xgboost/tests/cpp/objective/test_hinge.cc

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809 B
C++

// Copyright by Contributors
#include <xgboost/objective.h>
#include <limits>
#include "../helpers.h"
TEST(Objective, HingeObj) {
xgboost::ObjFunction * obj = xgboost::ObjFunction::Create("binary:hinge");
std::vector<std::pair<std::string, std::string> > args;
obj->Configure(args);
xgboost::bst_float eps = std::numeric_limits<xgboost::bst_float>::min();
CheckObjFunction(obj,
{-1.0f, -0.5f, 0.5f, 1.0f, -1.0f, -0.5f, 0.5f, 1.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f},
{ 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f},
{ 0.0f, 1.0f, 1.0f, 1.0f, -1.0f, -1.0f, -1.0f, 0.0f},
{ eps, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, eps });
ASSERT_NO_THROW(obj->DefaultEvalMetric());
}