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Correct sign handling when dividing zero or infinity by something

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From-SVN: r12009
This commit is contained in:
Ian Lance Taylor 1996-05-17 17:09:54 +00:00
parent ce122a8618
commit e291fca1a3
1 changed files with 4 additions and 2 deletions
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6
gcc/config/fp-bit.c
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@ -2,7 +2,7 @@
the floating point routines in libgcc1.c for targets without hardware
floating point. */
/* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
/* Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
@ -944,13 +944,15 @@ _fpdiv_parts (fp_number_type * a,
{
return b;
}
a->sign = a->sign ^ b->sign;
if (isinf (a) || iszero (a))
{
if (a->class == b->class)
return nan ();
return a;
}
a->sign = a->sign ^ b->sign;
if (isinf (b))
{