From 8dd0b4e1f12bc9f70ff6c312b35563595fdb4476 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sun, 26 Feb 2017 16:30:15 -0500
Subject: [PATCH] add passing test for floating point edge case

---
 test/cases/math.zig | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/test/cases/math.zig b/test/cases/math.zig
index 55f6680493..fc1555ef14 100644
--- a/test/cases/math.zig
+++ b/test/cases/math.zig
@@ -201,3 +201,18 @@ fn smallIntAddition() {
 
     assert(result == 0);
 }
+
+fn testFloatEquality() {
+    @setFnTest(this);
+
+    const x: f64 = 0.012;
+    const y: f64 = x + 1.0;
+
+    testFloatEqualityImpl(x, y);
+    comptime testFloatEqualityImpl(x, y);
+}
+
+fn testFloatEqualityImpl(x: f64, y: f64) {
+    const y2 = x + 1.0;
+    assert(y == y2);
+}