GitLab

* support quantized training with categorical features on cpu

* remove white spaces

* add tests for quantized training with categorical features

* skip tests for cuda version

* fix cases when only 1 data block in row-wise quantized histogram construction with 8 inner bits

* remove useless capture

* fix compilation warnings

revert useless changes

* revert useless change

* separate functions in feature histogram into cpp file

* add feature_histogram.o in Makevars

Co-authored-by: James Lamb <jaylamb20@gmail.com>

* ENH more stable gradient of CrossEntropy

* FIX missing }

* FIX index score

* FIX missing parenthesis in hessian

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Co-authored-by: shiyu1994 <shiyu_k1994@qq.com>

* solve 'bin size 257 cannot run on GPU #3339'

https://github.com/microsoft/LightGBM/issues/3339#issuecomment-1665131743



* fix  typo LeafIndex -> leaf_index

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Co-authored-by: shiyu1994 <shiyu_k1994@qq.com>
Co-authored-by: James Lamb <jaylamb20@gmail.com>

Co-authored-by: José Morales <jmoralz92@gmail.com>