X-Git-Url: https://git.ktnx.net/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Futils%2FMisc.java;h=5b85f97097a0c35ebeb16c085586f5d749c09008;hb=82cf0169d61ccf2feef4dc9d37f2afb054ee03f4;hp=c75b6339ae0fb0b074deed2d2088ed7c0e811fd2;hpb=4db312e69578236dbfca979b840222b751da2f8c;p=mobile-ledger.git diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java b/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java index c75b6339..5b85f970 100644 --- a/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java +++ b/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java @@ -1,5 +1,5 @@ /* - * Copyright © 2020 Damyan Ivanov. + * Copyright © 2021 Damyan Ivanov. * This file is part of MoLe. * MoLe is free software: you can distribute it and/or modify it * under the term of the GNU General Public License as published by @@ -26,10 +26,13 @@ import androidx.annotation.Nullable; import androidx.fragment.app.Fragment; import androidx.fragment.app.FragmentActivity; +import org.jetbrains.annotations.Contract; + public class Misc { public static boolean isZero(float f) { return (f < 0.005) && (f > -0.005); } + public static boolean equalFloats(float a, float b) { return isZero(a - b); } public static void showSoftKeyboard(Activity activity) { // make the keyboard appear Configuration cf = activity.getResources() @@ -81,4 +84,22 @@ public class Misc { return string.trim(); } + @Contract(value = "null, null -> true; null, !null -> false; !null, null -> false", pure = true) + public static boolean equalIntegers(Integer a, Integer b) { + if (a == null && b == null) + return true; + if (a == null || b == null) + return false; + + return a.equals(b); + } + @Contract(value = "null, null -> true; null, !null -> false; !null, null -> false", pure = true) + public static boolean equalLongs(Long a, Long b) { + if (a == null && b == null) + return true; + if (a == null || b == null) + return false; + + return a.equals(b); + } }