peri4
5db97ca959
remove CORS default header from PIHTTPServer fix several docs fix PIMathVector::dot return type add units directory with PIUnits facility
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
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PIP - Platform Independent Primitives
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Temperature 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_temperature.h"
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PIString PIUnits::Class::Temperature::name(int type) const {
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switch (type) {
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case Kelvin: return "Kelvin"_tr("PIUnitsTemperature");
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case Celsius: return "Celsius"_tr("PIUnitsTemperature");
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case Fahrenheit: return "Fahrenheit"_tr("PIUnitsTemperature");
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}
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return Class::Internal::unknown;
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}
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PIString PIUnits::Class::Temperature::unit(int type) const {
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switch (type) {
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case Kelvin: return "K"_tr("PIUnitsTemperature");
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case Celsius: return "°C"_tr("PIUnitsTemperature");
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case Fahrenheit: return "°F"_tr("PIUnitsTemperature");
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}
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return Class::Internal::unknown;
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}
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double PIUnits::Class::Temperature::convert(double v, int from, int to) const {
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double K = v;
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switch (from) {
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case Celsius: K += 273.15; break;
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case Fahrenheit: K = (v + 459.67) * (5. / 9.); break;
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default: break;
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}
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switch (to) {
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case Celsius: return K - 273.15;
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case Fahrenheit: return (K * (9. / 5.) - 459.67);
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default: break;
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}
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return K;
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}
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PIString PIUnits::Class::Temperature::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::Temperature::supportPrefixes(int type) const {
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if (type == Kelvin) return true;
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return false;
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}
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bool PIUnits::Class::Temperature::supportPrefixesNon3(int type) const {
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return false;
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}
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bool PIUnits::Class::Temperature::supportPrefixesGreater(int type) const {
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return true;
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}
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bool PIUnits::Class::Temperature::supportPrefixesSmaller(int type) const {
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return false;
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}
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