fixed div() and ldiv()
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@ -6,12 +6,26 @@
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#include <stdlib.h>
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static int tmp = -1;
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div_t
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div(register int numer, register int denom)
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{
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div_t r;
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/* The assignment of tmp should not be optimized !! */
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if (tmp == -1)
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tmp = (tmp / 2 == 0);
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}
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if (numer == 0) {
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r.quot = numer / denom; /* might trap if denom == 0 */
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r.rem = numer % denom;
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} else if ( !tmp && ((numer < 0) != (denom < 0))) {
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r.quot = (numer / denom) + 1;
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r.rem = numer - (numer / denom + 1) * denom
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} else {
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r.quot = numer / denom;
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r.rem = numer % denom;
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}
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return r;
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}
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@ -6,12 +6,26 @@
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#include <stdlib.h>
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static long tmp = -1;
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ldiv_t
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ldiv(register long numer, register long denom)
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{
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ldiv_t r;
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/* The assignment of tmp should not be optimized !! */
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if (tmp == -1)
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tmp = (tmp / 2 == 0);
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}
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if (numer == 0) {
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r.quot = numer / denom; /* might trap if denom == 0 */
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r.rem = numer % denom;
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} else if ( !tmp && ((numer < 0) != (denom < 0))) {
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r.quot = (numer / denom) + 1;
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r.rem = numer - (numer / denom + 1) * denom
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} else {
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r.quot = numer / denom;
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r.rem = numer % denom;
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}
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return r;
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}
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