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Implement transform to reduce CPU/GPU code duplication. (#3643)

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* Implement Transform class.
* Add tests for softmax.
* Use Transform in regression, softmax and hinge objectives, except for Cox.
* Mark old gpu objective functions deprecated.
* static_assert for softmax.
* Split up multi-gpu tests.
This commit is contained in:
trivialfis
2018-10-02 15:06:21 +13:00
committed by Rory Mitchell
parent 87aca8c244
commit d594b11f35
31 changed files with 1514 additions and 997 deletions
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14
tests/cpp/helpers.cc
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@@ -125,3 +125,17 @@ std::shared_ptr<xgboost::DMatrix>* CreateDMatrix(int rows, int columns,
&handle);
return static_cast<std::shared_ptr<xgboost::DMatrix> *>(handle);
}
namespace xgboost {
bool IsNear(std::vector<xgboost::bst_float>::const_iterator _beg1,
std::vector<xgboost::bst_float>::const_iterator _end1,
std::vector<xgboost::bst_float>::const_iterator _beg2) {
for (auto iter1 = _beg1, iter2 = _beg2; iter1 != _end1; ++iter1, ++iter2) {
if (std::abs(*iter1 - *iter2) > xgboost::kRtEps){
return false;
}
}
return true;
}
}