| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | math: fix x86 asin accuracy | nsz | 2012-04-04 | 1 | -2/+3 |
| | | | | | | use (1-x)*(1+x) instead of (1-x*x) in asin.s the later can be inaccurate with upward rounding when x is close to 1 | ||||
| * | asm for inverse trig functions | Rich Felker | 2012-03-19 | 1 | -0/+23 |
| unlike trig functions, these are easy to do in asm because they do not involve (arbitrary-precision) argument reduction. fpatan automatically takes care of domain issues, and in asin and acos, fsqrt takes care of them for us. | |||||
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