| 1 | // RUN: %libomp-compile-and-run |
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| 2 | #include <stdio.h> |
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| 3 | #include <math.h> |
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| 4 | #include "omp_testsuite.h" |
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| 5 | |
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| 6 | /* Utility function do spend some time in a loop */ |
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| 7 | static void do_some_work() |
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| 8 | { |
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| 9 | int i; |
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| 10 | double sum = 0; |
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| 11 | for(i = 0; i < 1000; i++){ |
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| 12 | sum += sqrt (x: (double) i); |
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| 13 | } |
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| 14 | } |
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| 15 | |
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| 16 | int sum1; |
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| 17 | #pragma omp threadprivate(sum1) |
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| 18 | |
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| 19 | int test_omp_for_private() |
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| 20 | { |
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| 21 | int sum = 0; |
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| 22 | int sum0; |
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| 23 | int known_sum; |
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| 24 | |
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| 25 | sum0 = 0; /* setting (global) sum0 = 0 */ |
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| 26 | |
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| 27 | #pragma omp parallel |
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| 28 | { |
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| 29 | sum1 = 0; /* setting sum1 in each thread to 0 */ |
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| 30 | { /* begin of orphaned block */ |
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| 31 | int i; |
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| 32 | #pragma omp for private(sum0) schedule(static,1) |
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| 33 | for (i = 1; i <= LOOPCOUNT; i++) { |
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| 34 | sum0 = sum1; |
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| 35 | #pragma omp flush |
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| 36 | sum0 = sum0 + i; |
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| 37 | do_some_work (); |
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| 38 | #pragma omp flush |
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| 39 | sum1 = sum0; |
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| 40 | } |
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| 41 | } /* end of orphaned block */ |
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| 42 | |
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| 43 | #pragma omp critical |
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| 44 | { |
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| 45 | sum = sum + sum1; |
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| 46 | } /*end of critical*/ |
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| 47 | } /* end of parallel*/ |
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| 48 | known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2; |
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| 49 | return (known_sum == sum); |
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| 50 | } |
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| 51 | |
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| 52 | int main() |
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| 53 | { |
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| 54 | int i; |
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| 55 | int num_failed=0; |
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| 56 | |
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| 57 | for(i = 0; i < REPETITIONS; i++) { |
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| 58 | if(!test_omp_for_private()) { |
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| 59 | num_failed++; |
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| 60 | } |
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| 61 | } |
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| 62 | return num_failed; |
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| 63 | } |
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| 64 | |
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