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Commit f85fd79c authored by Damien George's avatar Damien George
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py/mpz: In mpn_sub, use existing function to remove trailing zeros.

parent 810133d9
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......@@ -49,6 +49,12 @@
Definition of normalise: ?
*/
STATIC size_t mpn_remove_trailing_zeros(mpz_dig_t *oidig, mpz_dig_t *idig) {
for (--idig; idig >= oidig && *idig == 0; --idig) {
}
return idig + 1 - oidig;
}
/* compares i with j
returns sign(i - j)
assumes i, j are normalised
......@@ -190,16 +196,7 @@ STATIC size_t mpn_sub(mpz_dig_t *idig, const mpz_dig_t *jdig, size_t jlen, const
borrow >>= DIG_SIZE;
}
for (--idig; idig >= oidig && *idig == 0; --idig) {
}
return idig + 1 - oidig;
}
STATIC size_t mpn_remove_trailing_zeros(mpz_dig_t *oidig, mpz_dig_t *idig) {
for (--idig; idig >= oidig && *idig == 0; --idig) {
}
return idig + 1 - oidig;
return mpn_remove_trailing_zeros(oidig, idig);
}
#if MICROPY_OPT_MPZ_BITWISE
......
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