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Diffstat (limited to 'src/org/unitConverter/math/DecimalComparison.java')
-rw-r--r--src/org/unitConverter/math/DecimalComparison.java114
1 files changed, 0 insertions, 114 deletions
diff --git a/src/org/unitConverter/math/DecimalComparison.java b/src/org/unitConverter/math/DecimalComparison.java
deleted file mode 100644
index 7cdbe5b..0000000
--- a/src/org/unitConverter/math/DecimalComparison.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/**
- * Copyright (C) 2019 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 org.unitConverter.math;
-
-/**
- * A class that contains methods to compare float and double values.
- *
- * @author Adrien Hopkins
- * @since 2019-03-18
- * @since v0.2.0
- */
-public final class DecimalComparison {
- /**
- * The value used for double comparison. If two double values are within this value multiplied by the larger value,
- * they are considered equal.
- *
- * @since 2019-03-18
- * @since v0.2.0
- */
- public static final double DOUBLE_EPSILON = 1.0e-15;
-
- /**
- * The value used for float comparison. If two float values are within this value multiplied by the larger value,
- * they are considered equal.
- *
- * @since 2019-03-18
- * @since v0.2.0
- */
- public static final float FLOAT_EPSILON = 1.0e-6f;
-
- /**
- * Tests for equality of double values using {@link #DOUBLE_EPSILON}.
- *
- * @param a
- * first value to test
- * @param b
- * second value to test
- * @return whether they are equal
- * @since 2019-03-18
- * @since v0.2.0
- */
- public static final boolean equals(final double a, final double b) {
- return DecimalComparison.equals(a, b, DOUBLE_EPSILON);
- }
-
- /**
- * Tests for double equality using a custom epsilon value.
- *
- * @param a
- * first value to test
- * @param b
- * second value to test
- * @param epsilon
- * allowed difference
- * @return whether they are equal
- * @since 2019-03-18
- * @since v0.2.0
- */
- public static final boolean equals(final double a, final double b, final double epsilon) {
- return Math.abs(a - b) <= epsilon * Math.max(Math.abs(a), Math.abs(b));
- }
-
- /**
- * Tests for equality of float values using {@link #FLOAT_EPSILON}.
- *
- * @param a
- * first value to test
- * @param b
- * second value to test
- * @return whether they are equal
- * @since 2019-03-18
- * @since v0.2.0
- */
- public static final boolean equals(final float a, final float b) {
- return DecimalComparison.equals(a, b, FLOAT_EPSILON);
- }
-
- /**
- * Tests for float equality using a custom epsilon value.
- *
- * @param a
- * first value to test
- * @param b
- * second value to test
- * @param epsilon
- * allowed difference
- * @return whether they are equal
- * @since 2019-03-18
- * @since v0.2.0
- */
- public static final boolean equals(final float a, final float b, final float epsilon) {
- return Math.abs(a - b) <= epsilon * Math.max(Math.abs(a), Math.abs(b));
- }
-
- // You may NOT get any DecimalComparison instances
- private DecimalComparison() {
- throw new AssertionError();
- }
-
-}