diff options
Diffstat (limited to 'src/amount.cc')
| -rw-r--r-- | src/amount.cc | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/src/amount.cc b/src/amount.cc index d3265bc0..8d433ad4 100644 --- a/src/amount.cc +++ b/src/amount.cc @@ -571,40 +571,40 @@ amount_t& amount_t::in_place_negate() return *this; } -amount_t amount_t::round() const +amount_t& amount_t::in_place_round() { if (! quantity) throw_(amount_error, "Cannot round an uninitialized amount"); - if (! has_commodity()) - return *this; + if (has_commodity()) + in_place_round(commodity().precision()); - return round(commodity().precision()); + return *this; } -amount_t amount_t::round(precision_t prec) const +amount_t& amount_t::in_place_round(precision_t prec) { if (! quantity) throw_(amount_error, "Cannot round an uninitialized amount"); - amount_t t(*this); - - if (quantity->prec <= prec) { - if (quantity && quantity->has_flags(BIGINT_KEEP_PREC)) { - t._dup(); - t.quantity->drop_flags(BIGINT_KEEP_PREC); + if (quantity && quantity->prec <= prec) { + if (quantity->has_flags(BIGINT_KEEP_PREC)) { + _dup(); + quantity->drop_flags(BIGINT_KEEP_PREC); } - return t; + return *this; } - t._dup(); + DEBUG("amount.round", "Rounding " << *this << " to precision " << prec); - mpz_round(MPZ(t.quantity), MPZ(t.quantity), t.quantity->prec, prec); + mpz_round(MPZ(quantity), MPZ(quantity), quantity->prec, prec); - t.quantity->prec = prec; - t.quantity->drop_flags(BIGINT_KEEP_PREC); + quantity->prec = prec; + quantity->drop_flags(BIGINT_KEEP_PREC); - return t; + DEBUG("amount.round", " result = " << *this); + + return *this; } amount_t amount_t::unround() const |