[PATCH] Add inputs for atan slow and fast paths

[Siddhesh Poyarekar <siddhesh at redhat dot com>]

Hi,

This patch adds inputs for the slow and fast paths of the atan
function.  OK to commit?

Siddhesh

	* benchtests/Makefile (bench): Add atan and slowatan.
	* benchtests/atan-inputs: New file.
	* benchtests/slowatan-inputs: New file.
	* benchtests/slowatan.c: New file.

diff --git a/benchtests/Makefile b/benchtests/Makefile
index 751694a..a6a9299 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -45,7 +45,7 @@
 #   See pow-inputs for an example.
 
 subdir := benchtests
-bench := exp pow rint sin slowexp slowpow slowsin
+bench := exp pow rint sin atan slowexp slowpow slowsin slowatan
 
 # exp function fast path
 exp-ITER = 5e8
@@ -77,6 +77,12 @@ sin-ARGLIST = double
 sin-RET = double
 LDFLAGS-bench-sin = -lm
 
+# atan function fast path
+atan-ITER = 6e9
+atan-ARGLIST = double
+atan-RET = double
+LDFLAGS-bench-atan = -lm
+
 # pow function slowest path
 slowpow-ITER = 1e5
 slowpow-ARGLIST = double:double
@@ -91,5 +97,12 @@ slowsin-RET = double
 slowsin-INCLUDE = slowsin.c
 LDFLAGS-bench-slowsin = -lm
 
+# atan function slowest path
+slowatan-ITER = 3e8
+slowatan-ARGLIST = double
+slowatan-RET = double
+slowatan-INCLUDE = slowatan.c
+LDFLAGS-bench-slowatan = -lm
+
 include ../Makeconfig
 include ../Rules
diff --git a/benchtests/atan-inputs b/benchtests/atan-inputs
new file mode 100644
index 0000000..c685db3
--- /dev/null
+++ b/benchtests/atan-inputs
@@ -0,0 +1,3 @@
+0x1.000000c5cba86p0
+0x1.000001883003ap0
+0x1.00000dfb2b674p0
diff --git a/benchtests/slowatan-inputs b/benchtests/slowatan-inputs
new file mode 100644
index 0000000..e557a3c
--- /dev/null
+++ b/benchtests/slowatan-inputs
@@ -0,0 +1,3 @@
+0x1.000000c5cba87p0
+0x1.000001883003bp0
+0x1.00000dfb2b675p0
diff --git a/benchtests/slowatan.c b/benchtests/slowatan.c
new file mode 100644
index 0000000..9a11d30
--- /dev/null
+++ b/benchtests/slowatan.c
@@ -0,0 +1,19 @@
+/* Define slowatan.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#define slowatan atan