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68 lines
2.0 KiB
68 lines
2.0 KiB
/**************************************************************** |
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The author of this software is David M. Gay. |
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Copyright (C) 1998 by Lucent Technologies |
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All Rights Reserved |
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Permission to use, copy, modify, and distribute this software and |
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its documentation for any purpose and without fee is hereby |
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granted, provided that the above copyright notice appear in all |
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copies and that both that the copyright notice and this |
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permission notice and warranty disclaimer appear in supporting |
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documentation, and that the name of Lucent or any of its entities |
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not be used in advertising or publicity pertaining to |
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distribution of the software without specific, written prior |
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permission. |
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LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. |
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IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY |
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER |
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IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF |
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THIS SOFTWARE. |
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****************************************************************/ |
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/* Please send bug reports to |
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David M. Gay |
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Bell Laboratories, Room 2C-463 |
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600 Mountain Avenue |
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Murray Hill, NJ 07974-0636 |
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U.S.A. |
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dmg@bell-labs.com |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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static char *dir[4] = { "toward zero", "nearest", "toward +Infinity", |
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"toward -Infinity" }; |
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int |
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#ifdef KR_headers |
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getround(r, s) int r; char *s; |
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#else |
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getround(int r, char *s) |
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#endif |
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{ |
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int i; |
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i = atoi(s+1); |
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if (i >= 0 && i < 4) { |
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printf("Rounding mode for strtor... "); |
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if (i == r) |
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printf("was and is %d (%s)\n", i, dir[i]); |
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else |
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printf("changed from %d (%s) to %d (%s)\n", |
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r, dir[r], i, dir[i]); |
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return i; |
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} |
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printf("Bad rounding direction %d: choose among\n", i); |
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for(i = 0; i < 4; i++) |
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printf("\t%d (%s)\n", i, dir[i]); |
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printf("Leaving rounding mode for strtor... at %d (%s)\n", r, dir[r]); |
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return r; |
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}
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