82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/*
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PIP - Platform Independent Primitives
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Mass units
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Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "piunits_class_mass.h"
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PIString PIUnits::Class::Mass::name(int type) const {
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switch (type) {
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case Gram: return "gram"_tr("PIUnitsMass");
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case Pound: return "pound"_tr("PIUnitsMass");
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case Ounce: return "ounce"_tr("PIUnitsMass");
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}
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return Class::Internal::unknown;
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}
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PIString PIUnits::Class::Mass::unit(int type) const {
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switch (type) {
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case Gram: return "g"_tr("PIUnitsMass");
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case Pound: return "lb"_tr("PIUnitsMass");
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case Ounce: return "℥"_tr("PIUnitsMass");
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}
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return Class::Internal::unknown;
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}
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double PIUnits::Class::Mass::convert(double v, int from, int to) const {
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static constexpr double pound_to_g = 453.59237;
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static constexpr double ounce_to_g = 28.349523125;
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double g = v;
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switch (from) {
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case Pound: g *= pound_to_g; break;
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case Ounce: g *= ounce_to_g; break;
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}
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switch (to) {
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case Pound: g /= pound_to_g; break;
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case Ounce: g /= ounce_to_g; break;
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}
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return g;
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}
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PIString PIUnits::Class::Mass::valueToString(double v, char format, int prec) const {
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return PIString::fromNumber(v, format, prec);
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}
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bool PIUnits::Class::Mass::supportPrefixes(int type) const {
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return type == Gram;
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}
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bool PIUnits::Class::Mass::supportPrefixesNon3(int type) const {
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return false;
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}
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bool PIUnits::Class::Mass::supportPrefixesGreater(int type) const {
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return ClassBase::supportPrefixesGreater(type);
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}
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bool PIUnits::Class::Mass::supportPrefixesSmaller(int type) const {
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return ClassBase::supportPrefixesSmaller(type);
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}
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