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Use the address of the local variable instead of its value

Cédric Augonnet 14 years ago
parent
2358e3e382
commit
a0d754384d
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      tests/datawizard/manual_reduction.c

+ 1 - 1
tests/datawizard/manual_reduction.c
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@@ -113,7 +113,7 @@ static void cuda_func_incr(void *descr[], void *cl_arg __attribute__((unused)))
 
 	unsigned h_val;
 
 	unsigned h_val;
 
 	cudaMemcpy(&h_val, val, sizeof(unsigned), cudaMemcpyDeviceToHost);
 
 	cudaMemcpy(&h_val, val, sizeof(unsigned), cudaMemcpyDeviceToHost);
 
 	h_val++;
 
 	h_val++;
 
-	cudaMemcpy(val, h_val, sizeof(unsigned), cudaMemcpyHostToDevice);
 
+	cudaMemcpy(val, &h_val, sizeof(unsigned), cudaMemcpyHostToDevice);
 
 }
 
 }
 
 #endif
 
 #endif