Better error messages for blas ops with cuda.LongTensor #4160
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soumith
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* Better error messages for blas ops with cuda.LongTensor Fixes #4157 Test plan Try matrix multiplying with cuda.LongTensors >>> import torch >>> x = torch.randn(4, 4).long().cuda() >>> y = torch.randn(4, 4).long().cuda() >>> x.mm(y) Traceback (most recent call last): File "<stdin>", line 1, in <module> RuntimeError: addmm for CUDA tensors only supports floating-point types. Try converting the tensors with .flo at() at /private/home/rzou/pytorch/pytorch/aten/src/THC/generic/THCTensorMathBlas.cu:381
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Fixes #4157
Test plan
Try matrix multiplying with
cuda.LongTensors