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/**
* Copyright (C) 2021 Adrien Hopkins
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package sevenUnitsGUI;
import java.util.function.Function;
import sevenUnits.utils.UncertainDouble;
/**
* The default rules for displaying numbers.
*
* Unless otherwise stated, all of this class's functions throw
* {@link NullPointerException} when they receive a null parameter.
*
* @since 2021-12-24
*/
final class StandardDisplayRules {
/**
* Rounds using UncertainDouble's toString method.
*/
private static final Function<UncertainDouble, String> SCIENTIFIC_ROUNDING_RULE = new Function<>() {
@Override
public String apply(UncertainDouble t) {
return t.toString(false);
}
@Override
public String toString() {
return "Scientific Rounding";
}
};
/**
* Gets a display rule that rounds numbers to a fixed number of decimal
* places.
*
* @param decimalPlaces number of decimal places
* @return display rule
* @since 2022-04-16
*/
public static final Function<UncertainDouble, String> getFixedPlacesRule(
int decimalPlaces) {
throw new UnsupportedOperationException("Not implemented yet");
}
/**
* Gets a display rule that rounds numbers to a fixed number of significant
* figures.
*
* @param significantFigures number of significant figures
* @return display rule
* @since 2022-04-16
*/
public static final Function<UncertainDouble, String> getFixedPrecisionRule(
int significantFigures) {
throw new UnsupportedOperationException("Not implemented yet");
}
/**
* @return a rule that rounds using UncertainDouble's own toString(false)
* function.
* @since 2021-12-24
*/
public static final Function<UncertainDouble, String> getScientificRule() {
return SCIENTIFIC_ROUNDING_RULE;
}
/**
* Gets one of the standard rules from its string representation.
*
* @param ruleToString string representation of the display rule
* @return display rule
* @throws IllegalArgumentException if the provided string is not that of a
* standard rule.
* @since 2021-12-24
*/
public static final Function<UncertainDouble, String> getStandardRule(
String ruleToString) {
throw new UnsupportedOperationException("Not implemented yet");
}
private StandardDisplayRules() {
throw new AssertionError(
"This is a static utility class, you may not get instances of it.");
}
}
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