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#ifndef THC_GENERIC_FILE
#define THC_GENERIC_FILE "generic/THCTensorMathReduce.cu"
#else
THC_API void
THCTensor_(sum)(THCState* state, THCTensor *self, THCTensor *src, long dimension) {
THAssert(THCTensor_(checkGPU)(state, 2, self, src));
if (!THC_reduceDim(state, self, src,
thrust::identity<real>(),
ReduceAdd<real, real>(),
ScalarConvert<int, real>::to(0),
dimension)) {
THArgCheck(false, 2, CUTORCH_DIM_WARNING);
}
THCudaCheck(cudaGetLastError());
}
THC_API void
THCTensor_(prod)(THCState* state, THCTensor *self, THCTensor *src, long dimension) {
THAssert(THCTensor_(checkGPU)(state, 2, self, src));
if (!THC_reduceDim(state, self, src,
thrust::identity<real>(),
ReduceMultiply<real, real>(),
ScalarConvert<int, real>::to(1),
dimension)) {
THArgCheck(false, 2, CUTORCH_DIM_WARNING);
}
THCudaCheck(cudaGetLastError());
}
THC_API accreal
THCTensor_(sumall)(THCState *state, THCTensor *self) {
THAssert(THCTensor_(checkGPU)(state, 1, self));
accreal val;
if (!THC_reduceAll(state, self,
thrust::identity<real>(),
ReduceAdd<real, accreal>(),
ReduceAdd<accreal, accreal>(),
ScalarConvert<int, accreal>::to(0),
&val, 0)) {
THArgCheck(false, 1, CUTORCH_DIM_WARNING);
}
THCudaCheck(cudaGetLastError());
return val;
}
THC_API accreal
THCTensor_(prodall)(THCState *state, THCTensor *self) {
THAssert(THCTensor_(checkGPU)(state, 1, self));
accreal val;
if (!THC_reduceAll(state, self,
thrust::identity<real>(),
ReduceMultiply<real, accreal>(),
ReduceMultiply<accreal, accreal>(),
ScalarConvert<int, accreal>::to(1),
&val, 0)) {
THArgCheck(false, 1, CUTORCH_DIM_WARNING);
}
THCudaCheck(cudaGetLastError());
return val;
}
THC_API real
THCTensor_(minall)(THCState *state, THCTensor *self) {
THAssert(THCTensor_(checkGPU)(state, 1, self));
real val;
if (!THC_reduceAll(state, self,
thrust::identity<real>(),
ReduceMin<real>(),
ReduceMin<real>(),
THCNumerics<real>::max(), &val, 0)) {
THArgCheck(false, 1, CUTORCH_DIM_WARNING);
}
THCudaCheck(cudaGetLastError());
return val;
}
THC_API real
THCTensor_(maxall)(THCState *state, THCTensor *self) {
THAssert(THCTensor_(checkGPU)(state, 1, self));
real val;
if (!THC_reduceAll(state, self,
thrust::identity<real>(),
ReduceMax<real>(),
ReduceMax<real>(),
THCNumerics<real>::min(), &val, 0)) {
THArgCheck(false, 1, CUTORCH_DIM_WARNING);
}
THCudaCheck(cudaGetLastError());
return val;
}
THC_API void
THCTensor_(max)(THCState *state,
THCTensor *values,
THCudaLongTensor *indices,
THCTensor *src,
long dimension) {
THAssert(THCTensor_(checkGPU)(state, 3, values, indices, src));
thrust::pair<typename TensorUtils<THCTensor>::DataType, long>
init =
thrust::make_pair<typename TensorUtils<THCTensor>::DataType, long>(
THCNumerics<typename TensorUtils<THCTensor>::DataType>::min(), 1);
return THC_reduceDimIndex(
state, values, indices, src, dimension, init,
MaxValuePair<typename TensorUtils<THCTensor>::DataType, long>());
}
THC_API void
THCTensor_(min)(THCState *state,
THCTensor *values,
THCudaLongTensor *indices,
THCTensor *src,
long dimension) {
THAssert(THCTensor_(checkGPU)(state, 3, values, indices, src));
thrust::pair<typename TensorUtils<THCTensor>::DataType, long>
init =
thrust::make_pair<typename TensorUtils<THCTensor>::DataType, long>(
THCNumerics<typename TensorUtils<THCTensor>::DataType>::max(), 1);
return THC_reduceDimIndex(
state, values, indices, src, dimension, init,
MinValuePair<typename TensorUtils<THCTensor>::DataType, long>());
}
#endif
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