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lavu/mathematics: document so-called "cruft"
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@@ -117,6 +117,7 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
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return t1;
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return t1;
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}
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}
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#else
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#else
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/* reference code doing (a*b + r) / c, requires libavutil/integer.h */
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AVInteger ai;
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AVInteger ai;
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ai = av_mul_i(av_int2i(a), av_int2i(b));
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ai = av_mul_i(av_int2i(a), av_int2i(b));
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ai = av_add_i(ai, av_int2i(r));
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ai = av_add_i(ai, av_int2i(r));
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