From e568a3dc2af6a801621c5b826969ba5a2b17f05f Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Thu, 20 Nov 2008 10:54:02 -0800
Subject: 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
---
 src/lib/math/sin.go | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/lib/math/sin.go')

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
 )
 
-- 
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