sfos/ledger
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Made amount_t::is_zero() slightly more efficient.

Browse source
This commit is contained in:
John Wiegley 2009-01-31 05:00:49 -04:00
parent cce65b8dd2
commit ec6a3e8081
1 changed files with 12 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/amount.cc
View file

@ -625,7 +625,18 @@ bool amount_t::is_zero() const
if (has_commodity()) { if (has_commodity()) {
if (keep_precision() || quantity->prec <= commodity().precision()) { if (keep_precision() || quantity->prec <= commodity().precision()) {
return is_realzero(); return is_realzero();
} else { }
else if (is_realzero()) {
return true;
}
else if (mpz_cmp(mpq_numref(MP(quantity)),
mpq_denref(MP(quantity))) > 0) {
DEBUG("amount.is_zero", "Numerator is larger than the denominator");
return false;
}
else {
DEBUG("amount.is_zero", "We have to print the number to check for zero");
std::ostringstream out; std::ostringstream out;
stream_out_mpq(out, MP(quantity), commodity().precision()); stream_out_mpq(out, MP(quantity), commodity().precision());