#include /* For FLT_EPSILON. */ #include /* For fabs. */ #include /* For abort. */ int main() { #define N 100 float b[N]; float c[N]; #pragma acc enter data create(b) #pragma acc parallel loop no_create(b) no_create(c) for (int i = 0; i < N; ++i) b[i] = i; #pragma acc exit data copyout(b) for (int i = 0; i < N; ++i) if (fabs (b[i] - i) > 10.0*FLT_EPSILON) abort (); return 0; }