Refactor the CUDA error check (#49)

* Add cuda_utils.h

* Factor out repeating code

* Formating

Author: Raimondas Galvelis

src/pytorch/CFConv.cpp

@@ -24,17 +24,10 @@
 #include <torch/serialize/archive.h>
 #include "CpuCFConv.h"
 #include "CFConvNeighbors.h"
-
+#include "cuda_utils.h"
 #ifdef ENABLE_CUDA
-#include <stdexcept>
-#include <cuda_runtime.h>
 // #include <c10/cuda/CUDAStream.h>
 #include "CudaCFConv.h"
-
-#define CHECK_CUDA_RESULT(result) \
-    if (result != cudaSuccess) { \
-        throw std::runtime_error(std::string("Encountered error ")+cudaGetErrorName(result)+" at "+__FILE__+":"+std::to_string(__LINE__));\
-    }
 #endif
 
 namespace NNPOps {

src/pytorch/CFConvNeighbors.cpp

@@ -22,20 +22,10 @@
  */
 #include "CFConvNeighbors.h"
 #include "CpuCFConv.h"
-
+#include "cuda_utils.h"
 #ifdef ENABLE_CUDA
-#include <stdexcept>
-#include <cuda_runtime.h>
 // #include <c10/cuda/CUDAStream.h>
 #include "CudaCFConv.h"
-
-#define int2 int[2]
-#define float3 float[3]
-
-#define CHECK_CUDA_RESULT(result) \
-    if (result != cudaSuccess) { \
-        throw std::runtime_error(std::string("Encountered error ")+cudaGetErrorName(result)+" at "+__FILE__+":"+std::to_string(__LINE__));\
-    }
 #endif
 
 namespace NNPOps {

src/pytorch/SymmetryFunctions.cpp

@@ -24,15 +24,10 @@
 #include <torch/script.h>
 #include <torch/serialize/archive.h>
 #include "CpuANISymmetryFunctions.h"
+#include "cuda_utils.h"
 #ifdef ENABLE_CUDA
-#include <stdexcept>
 #include <c10/cuda/CUDAStream.h>
 #include "CudaANISymmetryFunctions.h"
-
-#define CHECK_CUDA_RESULT(result) \
-    if (result != cudaSuccess) { \
-        throw std::runtime_error(std::string("Encountered error ")+cudaGetErrorName(result)+" at "+__FILE__+":"+std::to_string(__LINE__));\
-    }
 #endif
 
 namespace NNPOps {

src/pytorch/cuda_utils.h

@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2020-2022 Acellera
+ * Authors: Raimondas Galvelis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef NNPOPS_CUDA_UTILS
+#define NNPOPS_CUDA_UTILS
+
+#ifdef ENABLE_CUDA
+
+#include <stdexcept>
+#include <cuda_runtime_api.h>
+
+#define CHECK_CUDA_RESULT(result) \
+    if (result != cudaSuccess) { \
+       throw std::runtime_error(std::string("Encountered error ") + \
+             cudaGetErrorName(result) + " at " + __FILE__ + ":" + std::to_string(__LINE__)); \
+    }
+
+#endif
+
+#endif