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Diffstat (limited to 'libm/src/s_lround.c')
| -rw-r--r-- | libm/src/s_lround.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/libm/src/s_lround.c b/libm/src/s_lround.c deleted file mode 100644 index e99f46f..0000000 --- a/libm/src/s_lround.c +++ /dev/null @@ -1,66 +0,0 @@ -/*- - * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -#include <limits.h> -#include <fenv.h> -#include <math.h> - -#ifndef type -/* __FBSDID("$FreeBSD: src/lib/msun/src/s_lround.c,v 1.2 2005/04/08 00:52:16 das Exp $"); */ -#define type double -#define roundit round -#define dtype long -#define DTYPE_MIN LONG_MIN -#define DTYPE_MAX LONG_MAX -#define fn lround -#endif - -/* - * If type has more precision than dtype, the endpoints dtype_(min|max) are - * of the form xxx.5; they are "out of range" because lround() rounds away - * from 0. On the other hand, if type has less precision than dtype, then - * all values that are out of range are integral, so we might as well assume - * that everything is in range. At compile time, INRANGE(x) should reduce to - * two floating-point comparisons in the former case, or TRUE otherwise. - */ -static const type dtype_min = DTYPE_MIN - 0.5; -static const type dtype_max = DTYPE_MAX + 0.5; -#define INRANGE(x) (dtype_max - DTYPE_MAX != 0.5 || \ - ((x) > dtype_min && (x) < dtype_max)) - -dtype -fn(type x) -{ - - if (INRANGE(x)) { - x = roundit(x); - return ((dtype)x); - } else { - feraiseexcept(FE_INVALID); - return (DTYPE_MAX); - } -} |