[benchtests] Use inputs file for modf

The modf benchmark can now use the framework since the introduction of
output arguments.

ChangeLog

@@ -1,3 +1,8 @@
+2014-03-29  Siddhesh Poyarekar  <siddhesh@redhat.com>
+
+	* benchtests/bench-modf.c: Remove.
+	* benchtests/modf-inputs: New inputs file.
+
 2014-03-28  Joseph Myers  <joseph@codesourcery.com>
 
 	[BZ #16362]

benchtests/bench-modf.c

@@ -1,44 +0,0 @@
-/* Copyright (C) 2013-2014 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/>.  */
-
-extern double modf (double, double *);
-
-#define CALL_BENCH_FUNC(j, i) modf (in[j].arg0, &i);
-
-struct args
-{
-  volatile double arg0;
-} in[] =
-{
-  {  42.42 },
-  { -42.42 }
-};
-
-#define NUM_VARIANTS 1
-#define NUM_SAMPLES(v) (sizeof (in) / sizeof (struct args))
-
-static volatile double ret = 0.0;
-#define BENCH_FUNC(v, j) \
-({									      \
-  double iptr;								      \
-  ret =  CALL_BENCH_FUNC (j, iptr);					      \
-})
-
-#define FUNCNAME "modf"
-#define VARIANT(v) FUNCNAME "()"
-
-#include "bench-skeleton.c"

benchtests/modf-inputs

@@ -0,0 +1,4 @@
+## includes: math.h
+## args: double:<double *>
+42.0
+-42.0