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-rw-r--r--libm/s_fpclassifyf.c44
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diff --git a/libm/s_fpclassifyf.c b/libm/s_fpclassifyf.c
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+/* Return classification value corresponding to argument.
+ Copyright (C) 1997, 2000, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+libm_hidden_proto (__fpclassifyf)
+int
+__fpclassifyf (float x)
+{
+ u_int32_t wx;
+ int retval = FP_NORMAL;
+
+ GET_FLOAT_WORD (wx, x);
+ wx &= 0x7fffffff;
+ if (wx == 0)
+ retval = FP_ZERO;
+ else if (wx < 0x800000)
+ retval = FP_SUBNORMAL;
+ else if (wx >= 0x7f800000)
+ retval = wx > 0x7f800000 ? FP_NAN : FP_INFINITE;
+
+ return retval;
+}
+libm_hidden_def (__fpclassifyf)