
#pragma once

#include <cuda_runtime.h>
#include <stdexcept>
#include <iostream>
#include <string>

/** execute and check a CUDA api command
 *
 * @param id gpu id (thread id)
 * @param msg message string which should be added to the error message
 * @param ... CUDA api command
 */
#define CUDA_CHECK_MSG(id, msg, ...) { \
	cudaError_t error = __VA_ARGS__; \
	if(error!=cudaSuccess){	\
		std::cerr << "[CUDA] Error gpu " << id << ": <" << __FILE__ << ">:" << __LINE__; \
		std::cerr << msg << std::endl;                                         \
		throw std::runtime_error(std::string("[CUDA] Error: ") + std::string(cudaGetErrorString(error))); \
	} \
} \
( (void) 0 )

/** execute and check a CUDA api command
 *
 * @param id gpu id (thread id)
 * @param ... CUDA api command
 */
#define CUDA_CHECK(id, ...) CUDA_CHECK_MSG(id, "", __VA_ARGS__)

/** execute and check a CUDA kernel
 *
 * @param id gpu id (thread id)
 * @param ... CUDA kernel call
 */
#define CUDA_CHECK_KERNEL(id, ...) \
	__VA_ARGS__; \
	CUDA_CHECK(id, cudaGetLastError())

/** execute and check a CUDA kernel
 *
 * @param id gpu id (thread id)
 * @param msg message string which should be added to the error message
 * @param ... CUDA kernel call
 */
#define CUDA_CHECK_MSG_KERNEL(id, msg, ...) \
	__VA_ARGS__; \
	CUDA_CHECK_MSG(id, msg, cudaGetLastError())
