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Message-ID: | <46D5AE54.6ACA25D6@dessent.net> |
Date: | Wed, 29 Aug 2007 10:35:16 -0700 |
From: | Brian Dessent <brian AT dessent DOT net> |
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CC: | cygwin AT cygwin DOT com |
Subject: | Re: 1.5.24: sin() bug |
References: | <20070829153331 DOT GA95558 AT tetsuo DOT karasik DOT eu DOT org> <46D5A79E DOT C09EF7CE AT dessent DOT net> <003201c7ea5f$d01db8f0$2e08a8c0 AT CAM DOT ARTIMI DOT COM> <46D5AD5A DOT B110DBB6 AT dessent DOT net> |
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Brian Dessent wrote: > > Since when was pi less than 2^-27? > > This is a kernel sin, a function over the limited range [-pi/4, pi/4], > where the general case sin is reduced to kernel sin by the remainder of > modulus pi/2. And note that the testcase is not exactly pi, it's pi minus a very small number: // M_PI 3.14159265358979323846 double g = 3.1415926535897900074; Brian -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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