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Diffstat (limited to 'lib/THC/generic/THCTensorMathPointwise.cu')
| -rw-r--r-- | lib/THC/generic/THCTensorMathPointwise.cu | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/lib/THC/generic/THCTensorMathPointwise.cu b/lib/THC/generic/THCTensorMathPointwise.cu new file mode 100644 index 0000000..b6679cd --- /dev/null +++ b/lib/THC/generic/THCTensorMathPointwise.cu @@ -0,0 +1,157 @@ +#ifndef THC_GENERIC_FILE +#define THC_GENERIC_FILE "generic/THCTensorMathPointwise.cu" +#else + +THC_API void +THCTensor_(cadd)(THCState *state, THCTensor *self_, THCTensor* src1, real value, THCTensor *src2) +{ + THAssert(THCTensor_(checkGPU)(state, 3, self_, src1, src2)); + THArgCheck(THCTensor_(nElement)(state, src1) == + THCTensor_(nElement)(state, src2), 3, "sizes do not match"); + + if (self_ == src1) { + if (value == ScalarConvert<int, real>::to(1)) { + // self += src2 + if (!THC_pointwiseApply2(state, self_, src2, TensorAddOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } else { + // self += value * src2 + if (!THC_pointwiseApply2(state, self_, src2, TensorCAddOp<real>(value))) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } + } else { + THCTensor_(resizeAs)(state, self_, src1); + + if (value == ScalarConvert<int, real>::to(1)) { + // self = src1 + src2 + if (!THC_pointwiseApply3(state, self_, src1, src2, TensorAddOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } else { + // self = src1 + value * src2 + if (!THC_pointwiseApply3(state, self_, src1, src2, TensorCAddOp<real>(value))) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } + } + + THCudaCheck(cudaGetLastError()); +} + +THC_API void +THCTensor_(csub)(THCState *state, THCTensor *self_, THCTensor* src1, real value, THCTensor *src2) +{ + THAssert(THCTensor_(checkGPU)(state, 3, self_, src1, src2)); + THArgCheck(THCTensor_(nElement)(state, src1) == + THCTensor_(nElement)(state, src2), 3, "sizes do not match"); + + if (self_ == src1) { + if (value == ScalarConvert<int, real>::to(1)) { + // self -= src2 + if (!THC_pointwiseApply2(state, self_, src2, TensorSubOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } else { + // self += -value * src2 + if (!THC_pointwiseApply2(state, self_, src2, + TensorCAddOp<real>( + ScalarNegate<real>::to(value)))) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } + } else { + THCTensor_(resizeAs)(state, self_, src1); + + if (value == ScalarConvert<int, real>::to(1)) { + // self = src1 - src2 + if (!THC_pointwiseApply3(state, self_, src1, src2, TensorSubOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } else { + // self = src1 - value * src2 + if (!THC_pointwiseApply3(state, self_, src1, src2, + TensorCAddOp<real>( + ScalarNegate<real>::to(value)))) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } + } + + THCudaCheck(cudaGetLastError()); +} + +THC_API void +THCTensor_(cmul)(THCState *state, THCTensor *self_, THCTensor *src1, THCTensor *src2) +{ + THAssert(THCTensor_(checkGPU)(state, 3, self_, src1, src2)); + THArgCheck(THCTensor_(nElement)(state, src1) == + THCTensor_(nElement)(state, src2), 3, "sizes do not match"); + + if (self_ == src1) { + // self *= src2 + if (!THC_pointwiseApply2(state, self_, src2, TensorMulOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } else { + THCTensor_(resizeAs)(state, self_, src1); + + // self = src1 * src2 + if (!THC_pointwiseApply3(state, self_, src1, src2, TensorMulOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } + + THCudaCheck(cudaGetLastError()); +} + +THC_API void +THCTensor_(cpow)(THCState *state, THCTensor *self_, THCTensor *src1, THCTensor *src2) +{ + THAssert(THCTensor_(checkGPU)(state, 3, self_, src1, src2)); + THArgCheck(THCTensor_(nElement)(state, src1) == + THCTensor_(nElement)(state, src2), 3, "sizes do not match"); + + if (self_ == src1) { + // self = pow(self, src2) + if (!THC_pointwiseApply2(state, self_, src2, TensorCPowOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } else { + THCTensor_(resizeAs)(state, self_, src1); + + // self = pow(src1, src2) + if (!THC_pointwiseApply3(state, self_, src1, src2, TensorCPowOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } + + THCudaCheck(cudaGetLastError()); +} + +THC_API void +THCTensor_(cdiv)(THCState* state, THCTensor *self_, THCTensor *src1, THCTensor *src2) +{ + THAssert(THCTensor_(checkGPU)(state, 3, self_, src1, src2)); + THArgCheck(THCTensor_(nElement)(state, src1) == + THCTensor_(nElement)(state, src2), 3, "sizes do not match"); + + if (self_ == src1) { + // self *= src2 + if (!THC_pointwiseApply2(state, self_, src2, TensorDivOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } else { + THCTensor_(resizeAs)(state, self_, src1); + + // self = src1 * src2 + if (!THC_pointwiseApply3(state, self_, src1, src2, TensorDivOp<real>())) { + THArgCheck(false, 2, CUTORCH_DIM_WARNING); + } + } + + THCudaCheck(cudaGetLastError()); +} + +#endif |