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| author | Russ Cox <rsc@golang.org> | 2008-11-20 10:54:02 -0800 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2008-11-20 10:54:02 -0800 |
| commit | e568a3dc2af6a801621c5b826969ba5a2b17f05f (patch) | |
| tree | d3406f3a7660f54f9349fb10c2432445311cd0a4 /src/lib/math/sin.go | |
| parent | 9c1f310153d68e56eb53ca1313406562db622b94 (diff) | |
| download | golang-e568a3dc2af6a801621c5b826969ba5a2b17f05f.tar.gz | |
more accurate Log, Exp, Pow.
move test.go to alll_test.go.
R=r
DELTA=1024 (521 added, 425 deleted, 78 changed)
OCL=19687
CL=19695
Diffstat (limited to 'src/lib/math/sin.go')
| -rw-r--r-- | src/lib/math/sin.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/math/sin.go b/src/lib/math/sin.go index 635e60d21..57de55913 100644 --- a/src/lib/math/sin.go +++ b/src/lib/math/sin.go @@ -4,6 +4,9 @@ package math +/* + Coefficients are #3370 from Hart & Cheney (18.80D). +*/ const ( p0 = .1357884097877375669092680e8; @@ -15,6 +18,7 @@ const q1 = .4081792252343299749395779e6; q2 = .9463096101538208180571257e4; q3 = .1326534908786136358911494e3; + piu2 = .6366197723675813430755350e0; // 2/pi ) |