diff options
Diffstat (limited to 'src/amount.h')
| -rw-r--r-- | src/amount.h | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/src/amount.h b/src/amount.h index 0a460d98..f4dbc9bd 100644 --- a/src/amount.h +++ b/src/amount.h @@ -294,11 +294,11 @@ public: * abs() returns the absolute value of an amount. It is equivalent * to: `(x < 0) ? - x : x'. * - * round(precision_t) rounds an amount's internal value to the given - * precision. - * - * round() rounds an amount to its commodity's current display - * precision. This also changes the internal value of the amount. + * round(optional<precision_t>) rounds an amount's internal value to + * the given precision, or to the commodity's current display + * precision if no precision value is given. This method changes + * the internal value of the amount, if it's internal precision was + * greater than the rounding precision. * * unround() yields an amount whose display precision is never * truncated, even though its commodity normally displays only @@ -347,8 +347,7 @@ public: return *this; } - amount_t round(precision_t prec) const; - amount_t round() const; + amount_t round(const optional<precision_t>& prec) const; amount_t unround() const; amount_t reduce() const { @@ -700,16 +699,7 @@ inline bool amount_t::operator==(const amount_t& amt) const { return compare(amt) == 0; } -inline amount_t amount_t::round() const { - if (! quantity) - throw_(amount_error, "Cannot round an uninitialized amount"); - if (! has_commodity()) - return *this; - return round(commodity().precision()); -} - inline commodity_t& amount_t::commodity() const { - // jww (2007-05-02): Should be a way to access null_commodity better return has_commodity() ? *commodity_ : *current_pool->null_commodity; } |