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* sysdeps/ieee754/flt-32/s_fpclassifyf.c (__fpclassifyf): Correct
	test for subnormal.
	Reported by Fred J. Tydeman <tydeman@tybor.com>.
This commit is contained in:
Ulrich Drepper 2000-12-03 23:35:00 +00:00
parent 79569444ef
commit be2925fc8a
2 changed files with 6 additions and 2 deletions
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ChangeLog
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@ -1,5 +1,9 @@
2000-12-03 Ulrich Drepper <drepper@redhat.com> 2000-12-03 Ulrich Drepper <drepper@redhat.com>
* sysdeps/ieee754/flt-32/s_fpclassifyf.c (__fpclassifyf): Correct
test for subnormal.
Reported by Fred J. Tydeman <tydeman@tybor.com>.
* math/test-misc.c (main): Add tests for frexp. * math/test-misc.c (main): Add tests for frexp.
Reported by Fred J. Tydeman <tydeman@tybor.com>. Reported by Fred J. Tydeman <tydeman@tybor.com>.
* sysdeps/i386/fpu/s_frexpl.S: Don't overflow during the computation. * sysdeps/i386/fpu/s_frexpl.S: Don't overflow during the computation.

4
sysdeps/ieee754/flt-32/s_fpclassifyf.c
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@ -1,5 +1,5 @@
/* Return classification value corresponding to argument. /* Return classification value corresponding to argument.
Copyright (C) 1997 Free Software Foundation, Inc. Copyright (C) 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -33,7 +33,7 @@ __fpclassifyf (float x)
wx &= 0x7fffffff; wx &= 0x7fffffff;
if (wx == 0) if (wx == 0)
retval = FP_ZERO; retval = FP_ZERO;
else if (wx < 0x1000000) else if (wx < 0x800000)
retval = FP_SUBNORMAL; retval = FP_SUBNORMAL;
else if (wx >= 0x7f800000) else if (wx >= 0x7f800000)
retval = wx > 0x7f800000 ? FP_NAN : FP_INFINITE; retval = wx > 0x7f800000 ? FP_NAN : FP_INFINITE;