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21 lines
440 B
21 lines
440 B
#include "taia.h" |
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/* XXX: breaks tai encapsulation */ |
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void taia_sub(struct taia *t,const struct taia *u,const struct taia *v) |
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{ |
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unsigned long unano = u->nano; |
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unsigned long uatto = u->atto; |
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t->sec.x = u->sec.x - v->sec.x; |
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t->nano = unano - v->nano; |
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t->atto = uatto - v->atto; |
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if (t->atto > uatto) { |
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t->atto += 1000000000UL; |
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--t->nano; |
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} |
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if (t->nano > unano) { |
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t->nano += 1000000000UL; |
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--t->sec.x; |
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} |
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}
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