1 files changed, 55 insertions, 0 deletions
diff --git a/matrix/cuda_helper.h b/matrix/cuda_helper.h
new file mode 100644
index 0000000..c0fa618
--- /dev/null
+++ b/matrix/cuda_helper.h
@@ -0,0 +1,55 @@
+#ifndef NERV_CUDA_HELPER_H
+#define NERV_CUDA_HELPER_H
+#define CUBLAS_SAFE_CALL(call) \
+    do { \
+        cublasStatus_t  err = (call); \
+        if (err != CUBLAS_STATUS_SUCCESS) \
+            nerv_error(L, "cumatrix cublas error: %s", cublasGetErrorString(err)); \
+    } while (0)
+
+#define CUDA_SAFE_CALL(call) \
+    do { \
+        cudaError_t err = (call); \
+        if (err != cudaSuccess) \
+            nerv_error(L, "cumatrix CUDA error: %s", cudaGetErrorString(err)); \
+    } while (0)
+
+#define CUDA_SAFE_SYNC_CALL(call) \
+    do { \
+        CUDA_SAFE_CALL(call); \
+        cudaDeviceSynchronize(); \
+    } while (0)
+
+#define CHECK_SAME_DIMENSION(a, b) \
+    do { \
+        if (!(a->nrow == b->nrow && a->ncol == b->ncol)) \
+            nerv_error(L, "Matrices should be of the same dimension"); \
+    } while (0)
+
+static const char *cublasGetErrorString(cublasStatus_t err) {
+    switch (err)
+    {
+        case CUBLAS_STATUS_SUCCESS:
+            return "CUBLAS_STATUS_SUCCESS";
+        case CUBLAS_STATUS_NOT_INITIALIZED:
+            return "CUBLAS_STATUS_NOT_INITIALIZED";
+        case CUBLAS_STATUS_ALLOC_FAILED:
+            return "CUBLAS_STATUS_ALLOC_FAILED";
+        case CUBLAS_STATUS_INVALID_VALUE:
+            return "CUBLAS_STATUS_INVALID_VALUE";
+        case CUBLAS_STATUS_ARCH_MISMATCH:
+            return "CUBLAS_STATUS_ARCH_MISMATCH";
+        case CUBLAS_STATUS_MAPPING_ERROR:
+            return "CUBLAS_STATUS_MAPPING_ERROR";
+        case CUBLAS_STATUS_EXECUTION_FAILED:
+            return "CUBLAS_STATUS_EXECUTION_FAILED";
+        case CUBLAS_STATUS_INTERNAL_ERROR:
+            return "CUBLAS_STATUS_INTERNAL_ERROR";
+        case CUBLAS_STATUS_NOT_SUPPORTED:
+            return "CUBLAS_STATUS_NOT_SUPPORTED";
+        case CUBLAS_STATUS_LICENSE_ERROR:
+            return "CUBLAS_STATUS_LICENSE_ERROR";
+    }
+    return "<unknown>";
+}
+#endif