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avutil/rational: av_add_stable() test code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -171,6 +171,36 @@ int main(void)
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}
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}
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}
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for (a.num = 1; a.num <= 10; a.num++) {
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for (a.den = 1; a.den <= 10; a.den++) {
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if (av_gcd(a.num, a.den) > 1)
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continue;
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for (b.num = 1; b.num <= 10; b.num++) {
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for (b.den = 1; b.den <= 10; b.den++) {
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int start;
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if (av_gcd(b.num, b.den) > 1)
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continue;
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if (av_cmp_q(b, a) < 0)
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continue;
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for (start = 0; start < 10 ; start++) {
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int acc= start;
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int i;
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for (i = 0; i<100; i++) {
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int exact = start + av_rescale_q(i+1, b, a);
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acc = av_add_stable(a, acc, b, 1);
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if (FFABS(acc - exact) > 2) {
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av_log(NULL, AV_LOG_ERROR, "%d/%d %d/%d, %d %d\n", a.num,
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a.den, b.num, b.den, acc, exact);
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return 1;
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}
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}
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}
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}
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}
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}
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}
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return 0;
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}
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#endif
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