CMath::epsilonEqual fuzzy comparison function for doubles

refs #81
2026-03-31 21:15:33 +08:00 · 2013-12-20 22:43:47 +00:00
parent b0e212998f
commit 2cdc2abeb5
2 changed files with 18 additions and 0 deletions
--- a/src/blackmisc/mathematics.cpp
+++ b/src/blackmisc/mathematics.cpp
@@ -62,6 +62,15 @@ namespace BlackMisc
            return rv;
        }

+        /*
+         * Equal, considering equal
+         */
+        bool CMath::epsilonEqual(double v1, double v2, double epsilon)
+        {
+            if (v1 == v2) return true;
+            return qAbs(v1-v2) <= epsilon;
+        }
+
        /*
         * To radians
         */