From 440c02beae47b9173efa872604168a5b2703fdd2 Mon Sep 17 00:00:00 2001
From: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Wed, 1 Apr 2026 10:21:07 +0200
Subject: [PATCH] std.mathspecial: Use isClose for
 gammaIncompleteComplInverse(1,1/E) test

---
 std/mathspecial.d | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/std/mathspecial.d b/std/mathspecial.d
index 66e77fd45d7..0646f2c733c 100644
--- a/std/mathspecial.d
+++ b/std/mathspecial.d
@@ -537,7 +537,7 @@ do
     const a = 2, p = 0.5L;
     assert(isClose(gammaIncompleteComplInverse(a, gammaIncompleteCompl(a, p)), p));
 
-    assert(gammaIncompleteComplInverse(1, 1/E) == 1);
+    assert(isClose(gammaIncompleteComplInverse(1, 1/E), 1));
     assert(isNaN(gammaIncompleteComplInverse(+0.0L, 0.1)));
     assert(isNaN(gammaIncompleteComplInverse(real.infinity, 0.2)));
     assert(gammaIncompleteComplInverse(3, 0) is real.infinity);