# Where does \`torch.\_C\` come from?

**URL:** <https://discuss.pytorch.org/t/where-does-torch-c-come-from/2015>\
**Category:** Uncategorized\
**Created:** [April 19, 2017, 9:01am UTC](https://discuss.pytorch.org/t/where-does-torch-c-come-from/2015 "2017-04-19T09:01:34Z")\
**Posts on this page:** 1\
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**Author:** ![lmf](https://discuss.pytorch.org/letter_avatar_proxy/v4/letter/l/dc4da7/32.png) [@lmf](https://discuss.pytorch.org/u/lmf)\
**Post date:** [July 4, 2017, 1:42am UTC](https://discuss.pytorch.org/t/where-does-torch-c-come-from/2015/4 "2017-07-04T01:42:18Z")

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hi, fmassa. I want to find the defination of torch.\_C.CudaFloatTensorBase class.But i didn’t find it in the torch/csrc/Module.cpp.Do you know where is it? Thanks.

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