From 47eab10b73a95e096ca8e400e1342f9f8e7926bf Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Wed, 6 Mar 2019 19:33:12 -0500
Subject: test I^2

---
 complex.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/complex.c b/complex.c
index c7bccd5..09ea4f1 100644
--- a/complex.c
+++ b/complex.c
@@ -13,6 +13,7 @@ void test_complex_h(void)
 	test_true(cimag(I) == 1);
 	test_true(creal(_Complex_I) == 0);
 	test_true(cimag(_Complex_I) == 1);
+	test_double(I * I, -1);
 
 	#ifdef _Imaginary_I
 	test_true(creal(_Imaginary_I) == 0);
-- 
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