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[Bug middle-end/19609] [4.0 Regression] real and imaginary part interchanged when flags_complex_divide_method=1
- From: "rth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 24 Jan 2005 23:24:00 -0000
- Subject: [Bug middle-end/19609] [4.0 Regression] real and imaginary part interchanged when flags_complex_divide_method=1
- References: <20050124195729.19609.Thomas.Koenig@online.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rth at gcc dot gnu dot org 2005-01-24 23:23 -------
Yes, I see that. My eyes crossed while transcribing the algorithm to trees,
and I failed to notice that a computation is (b - (a * ratio)) in one branch
and ((a * ratio) - b) in the other. And so incorrectly believed that the
branches could be rewritten to share code.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19609