From 81db22f693d06468d45571a29fc0648a8f5664ce Mon Sep 17 00:00:00 2001
From: stijn
Date: Sun, 17 May 2020 12:29:25 +0200
Subject: py/modmath: Work around msvc float bugs in atan2, fmod and modf.

Older implementations deal with infinity/negative zero incorrectly.  This
commit adds generic fixes that can be enabled by any port that needs them,
along with new tests cases.
---
 tests/float/math_domain.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'tests/float')

diff --git a/tests/float/math_domain.py b/tests/float/math_domain.py
index 2d4670f75..e63628cf5 100644
--- a/tests/float/math_domain.py
+++ b/tests/float/math_domain.py
@@ -39,8 +39,8 @@ for name, f, args in (
 # double argument functions
 for name, f, args in (
     ("pow", math.pow, ((0, 2), (-1, 2), (0, -1), (-1, 2.3))),
-    ("fmod", math.fmod, ((1.2, inf), (1.2, 0), (inf, 1.2))),
-    ("atan2", math.atan2, ((0, 0),)),
+    ("fmod", math.fmod, ((1.2, inf), (1.2, -inf), (1.2, 0), (inf, 1.2))),
+    ("atan2", math.atan2, ((0, 0), (-inf, inf), (-inf, -inf), (inf, -inf))),
     ("copysign", math.copysign, ()),
 ):
     for x in args + ((0, inf), (inf, 0), (inf, inf), (inf, nan), (nan, inf), (nan, nan)):
-- 
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