From 76afd54d3c7f05f1dddac59dccd71f98943f250a Mon Sep 17 00:00:00 2001
From: dfsek <dfsek@protonmail.com>
Date: Wed, 23 Dec 2020 15:19:33 -0700
Subject: [PATCH] use epsilon for numeric equals

---
 .../parser/lang/operations/statements/EqualsStatement.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/src/main/java/com/dfsek/terra/api/structures/parser/lang/operations/statements/EqualsStatement.java b/common/src/main/java/com/dfsek/terra/api/structures/parser/lang/operations/statements/EqualsStatement.java
index ebc8ae515..b7dface16 100644
--- a/common/src/main/java/com/dfsek/terra/api/structures/parser/lang/operations/statements/EqualsStatement.java
+++ b/common/src/main/java/com/dfsek/terra/api/structures/parser/lang/operations/statements/EqualsStatement.java
@@ -3,14 +3,21 @@ package com.dfsek.terra.api.structures.parser.lang.operations.statements;
 import com.dfsek.terra.api.structures.parser.lang.Returnable;
 import com.dfsek.terra.api.structures.parser.lang.operations.BinaryOperation;
 import com.dfsek.terra.api.structures.tokenizer.Position;
+import net.jafama.FastMath;
 
 public class EqualsStatement extends BinaryOperation<Object, Boolean> {
+    private static final double EPSILON = 0.000000001D;
+
     public EqualsStatement(Returnable<Object> left, Returnable<Object> right, Position position) {
         super(left, right, position);
     }
 
     @Override
     public Boolean apply(Object left, Object right) {
+        if(left instanceof Number && right instanceof Number) {
+            return FastMath.abs(((Number) left).doubleValue() - ((Number) right).doubleValue()) <= EPSILON;
+        }
+
         return left.equals(right);
     }