diff options
author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2001-03-29 03:58:20 +0000 |
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committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2001-03-29 03:58:20 +0000 |
commit | b7d2cadef3354bbbd97a98d382291d18fce6200c (patch) | |
tree | a5232eeba7a692164b2bedee650cab64a874adda /sys/arch/hppa/spmath/sfcmp.c | |
parent | 8da71daa70fb2878a11a7d02439e45d2f4f59baa (diff) |
big bang
Diffstat (limited to 'sys/arch/hppa/spmath/sfcmp.c')
-rw-r--r-- | sys/arch/hppa/spmath/sfcmp.c | 112 |
1 files changed, 56 insertions, 56 deletions
diff --git a/sys/arch/hppa/spmath/sfcmp.c b/sys/arch/hppa/spmath/sfcmp.c index 369ca341476..ec9aca6cf62 100644 --- a/sys/arch/hppa/spmath/sfcmp.c +++ b/sys/arch/hppa/spmath/sfcmp.c @@ -1,25 +1,25 @@ -/* $OpenBSD: sfcmp.c,v 1.3 1998/07/02 19:05:53 mickey Exp $ */ +/* $OpenBSD: sfcmp.c,v 1.4 2001/03/29 03:58:19 mickey Exp $ */ /* - * Copyright 1996 1995 by Open Software Foundation, Inc. - * All Rights Reserved - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appears in all copies and - * that both the copyright notice and this permission notice appear in - * supporting documentation. - * - * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE. - * - * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, - * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION - * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * + * Copyright 1996 1995 by Open Software Foundation, Inc. + * All Rights Reserved + * + * Permission to use, copy, modify, and distribute this software and + * its documentation for any purpose and without fee is hereby granted, + * provided that the above copyright notice appears in all copies and + * that both the copyright notice and this permission notice appear in + * supporting documentation. + * + * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE. + * + * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, + * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * */ /* * pmk1.1 @@ -27,21 +27,21 @@ /* * (c) Copyright 1986 HEWLETT-PACKARD COMPANY * - * To anyone who acknowledges that this file is provided "AS IS" + * To anyone who acknowledges that this file is provided "AS IS" * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the + * permission to use, copy, modify, and distribute this file + * for any purpose is hereby granted without fee, provided that + * the above copyright notice and this notice appears in all + * copies, and that the name of Hewlett-Packard Company not be + * used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. + * Hewlett-Packard Company makes no representations about the * suitability of this software for any purpose. */ #include "../spmath/float.h" #include "../spmath/sgl_float.h" - + /* * sgl_cmp: compare two values */ @@ -53,7 +53,7 @@ sgl_fcmp(leftptr, rightptr, cond, status) { register unsigned int left, right; register int xorresult; - + /* Create local copies of the numbers */ left = *leftptr; right = *rightptr; @@ -61,21 +61,21 @@ sgl_fcmp(leftptr, rightptr, cond, status) * Test for NaN */ if( (Sgl_exponent(left) == SGL_INFINITY_EXPONENT) - || (Sgl_exponent(right) == SGL_INFINITY_EXPONENT) ) + || (Sgl_exponent(right) == SGL_INFINITY_EXPONENT) ) { - /* Check if a NaN is involved. Signal an invalid exception when + /* Check if a NaN is involved. Signal an invalid exception when * comparing a signaling NaN or when comparing quiet NaNs and the * low bit of the condition is set */ - if( ( (Sgl_exponent(left) == SGL_INFINITY_EXPONENT) - && Sgl_isnotzero_mantissa(left) + if( ( (Sgl_exponent(left) == SGL_INFINITY_EXPONENT) + && Sgl_isnotzero_mantissa(left) && (Exception(cond) || Sgl_isone_signaling(left))) || ( (Sgl_exponent(right) == SGL_INFINITY_EXPONENT) - && Sgl_isnotzero_mantissa(right) + && Sgl_isnotzero_mantissa(right) && (Exception(cond) || Sgl_isone_signaling(right)) ) ) { if( Is_invalidtrap_enabled() ) { - Set_status_cbit(Unordered(cond)); + Set_status_cbit(Unordered(cond)); return(INVALIDEXCEPTION); } else Set_invalidflag(); @@ -84,7 +84,7 @@ sgl_fcmp(leftptr, rightptr, cond, status) } /* All the exceptional conditions are handled, now special case NaN compares */ - else if( ((Sgl_exponent(left) == SGL_INFINITY_EXPONENT) + else if( ((Sgl_exponent(left) == SGL_INFINITY_EXPONENT) && Sgl_isnotzero_mantissa(left)) || ((Sgl_exponent(right) == SGL_INFINITY_EXPONENT) @@ -100,12 +100,12 @@ sgl_fcmp(leftptr, rightptr, cond, status) * special equal case */ Sgl_xortointp1(left,right,xorresult); if( xorresult < 0 ) - { - /* left negative => less, left positive => greater. - * equal is possible if both operands are zeros. */ - if( Sgl_iszero_exponentmantissa(left) + { + /* left negative => less, left positive => greater. + * equal is possible if both operands are zeros. */ + if( Sgl_iszero_exponentmantissa(left) && Sgl_iszero_exponentmantissa(right) ) - { + { Set_status_cbit(Equal(cond)); } else if( Sgl_isone_sign(left) ) @@ -116,17 +116,17 @@ sgl_fcmp(leftptr, rightptr, cond, status) { Set_status_cbit(Greaterthan(cond)); } - } + } /* Signs are the same. Treat negative numbers separately * from the positives because of the reversed sense. */ else if( Sgl_all(left) == Sgl_all(right) ) - { - Set_status_cbit(Equal(cond)); - } + { + Set_status_cbit(Equal(cond)); + } else if( Sgl_iszero_sign(left) ) - { - /* Positive compare */ - if( Sgl_all(left) < Sgl_all(right) ) + { + /* Positive compare */ + if( Sgl_all(left) < Sgl_all(right) ) { Set_status_cbit(Lessthan(cond)); } @@ -136,18 +136,18 @@ sgl_fcmp(leftptr, rightptr, cond, status) } } else - { - /* Negative compare. Signed or unsigned compares - * both work the same. That distinction is only - * important when the sign bits differ. */ - if( Sgl_all(left) > Sgl_all(right) ) + { + /* Negative compare. Signed or unsigned compares + * both work the same. That distinction is only + * important when the sign bits differ. */ + if( Sgl_all(left) > Sgl_all(right) ) { Set_status_cbit(Lessthan(cond)); } - else + else { Set_status_cbit(Greaterthan(cond)); } - } + } return(NOEXCEPTION); } |