extern #ifdef __cplusplus "C" #endif void abort (void); int a, b[3] = { 1, 1, 1 }; unsigned long int c[2] = { ~0UL, ~0UL }; void bar (int i) { #pragma omp task in_reduction (*: b[:3]) in_reduction (&: c[1:]) \ in_reduction (+: a) { a += 4; b[1] *= 4; c[1] &= ~(1UL << (i + 16)); } } void foo (unsigned long long int x, unsigned long long int y, unsigned long long int z) { unsigned long long int i; #pragma omp for schedule(runtime) reduction (task, +: a) \ reduction (task, *: b) reduction (task, &: c[1:1]) for (i = x; i < y; i += z) { a++; b[0] *= 2; bar (i); b[2] *= 3; c[1] &= ~(1UL << i); } } int main () { volatile int two = 2; foo (two, 7 * two, two); if (a != 30 || b[0] != 64 || b[1] != (1 << 12) || b[2] != 3 * 3 * 3 * 3 * 3 * 3 || c[0] != ~0UL || c[1] != ~0x15541554UL) abort (); a = 0; b[0] = 1; b[1] = 1; b[2] = 1; c[1] = ~0UL; #pragma omp parallel foo (two, 8 * two, two); if (a != 35 || b[0] != 128 || b[1] != (1 << 14) || b[2] != 3 * 3 * 3 * 3 * 3 * 3 * 3 || c[0] != ~0UL || c[1] != ~0x55545554UL) abort (); return 0; }