From bc33e617040166e971ec1e6822ac1cc417eb6c9c Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 19 Mar 2012 04:56:07 -0400
Subject: asm for inverse trig functions

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.
---
 src/math/i386/atan2.s | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/math/i386/atan2.s

(limited to 'src/math/i386/atan2.s')

diff --git a/src/math/i386/atan2.s b/src/math/i386/atan2.s
new file mode 100644
index 00000000..5c795aff
--- /dev/null
+++ b/src/math/i386/atan2.s
@@ -0,0 +1,7 @@
+.global atan2
+.type atan2,@function
+atan2:
+	fldl 4(%esp)
+	fldl 12(%esp)
+	fpatan
+	ret
-- 
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