1.5.24: sin() bug

Brian Dessent brian@dessent.net
Wed Aug 29 17:51:00 GMT 2007


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

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