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performance tweaks

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This commit is contained in:
John Wiegley 2004-08-13 17:41:29 -04:00
parent 0c8dff61ed
commit 0cac03ba7d
2 changed files with 6 additions and 23 deletions
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27
amount.cc
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@ -392,13 +392,7 @@ amount_t& amount_t::operator*=(const amount_t& amt)
INIT(); INIT();
mpz_mul(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity)); mpz_mul(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity));
mpz_tdiv_q(MPZ(quantity), MPZ(quantity), full_divisor);
// Truncate to the recorded precision: MAX_PRECISION.
mpz_t divisor;
mpz_init(divisor);
mpz_ui_pow_ui(divisor, 10, MAX_PRECISION);
mpz_tdiv_q(MPZ(quantity), MPZ(quantity), divisor);
mpz_clear(divisor);
return *this; return *this;
} }
@ -410,15 +404,9 @@ amount_t& amount_t::operator/=(const amount_t& amt)
INIT(); INIT();
mpz_t divisor; mpz_mul(MPZ(quantity), MPZ(quantity), full_divisor);
mpz_init(divisor);
mpz_ui_pow_ui(divisor, 10, MAX_PRECISION);
mpz_mul(MPZ(quantity), MPZ(quantity), divisor);
mpz_tdiv_q(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity)); mpz_tdiv_q(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity));
mpz_clear(divisor);
return *this; return *this;
} }
@ -429,15 +417,9 @@ amount_t& amount_t::operator%=(const amount_t& amt)
INIT(); INIT();
mpz_t divisor; mpz_mul(MPZ(quantity), MPZ(quantity), full_divisor);
mpz_init(divisor);
mpz_ui_pow_ui(divisor, 10, MAX_PRECISION);
mpz_mul(MPZ(quantity), MPZ(quantity), divisor);
mpz_tdiv_r(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity)); mpz_tdiv_r(MPZ(quantity), MPZ(quantity), MPZ(amt.quantity));
mpz_clear(divisor);
return *this; return *this;
} }
@ -476,8 +458,7 @@ std::ostream& operator<<(std::ostream& out, const amount_t& amt)
if (amt.commodity->precision != MAX_PRECISION) if (amt.commodity->precision != MAX_PRECISION)
mpz_round(rquotient, MPZ(amt.quantity), amt.commodity->precision); mpz_round(rquotient, MPZ(amt.quantity), amt.commodity->precision);
mpz_ui_pow_ui(divisor, 10, MAX_PRECISION); mpz_tdiv_qr(quotient, remainder, rquotient, full_divisor);
mpz_tdiv_qr(quotient, remainder, rquotient, divisor);
if (mpz_sgn(quotient) < 0 || mpz_sgn(remainder) < 0) if (mpz_sgn(quotient) < 0 || mpz_sgn(remainder) < 0)
negative = true; negative = true;

2
option.cc
View file

@ -87,6 +87,7 @@ void process_arguments(int argc, char ** argv, const bool anywhere,
} }
else if ((*j).long_opt == *i + 2) { else if ((*j).long_opt == *i + 2) {
process_option(*j, argv[++index]); process_option(*j, argv[++index]);
i++;
goto next; goto next;
} }
} }
@ -105,6 +106,7 @@ void process_arguments(int argc, char ** argv, const bool anywhere,
if ((*i)[1] == (*j).short_opt) { if ((*i)[1] == (*j).short_opt) {
if ((*j).wants_arg) { if ((*j).wants_arg) {
process_option(*j, argv[++index]); process_option(*j, argv[++index]);
i++;
goto next; goto next;
} else { } else {
process_option(*j); process_option(*j);