diff options
Diffstat (limited to 'libm/src/s_lrint.c')
-rw-r--r-- | libm/src/s_lrint.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/libm/src/s_lrint.c b/libm/src/s_lrint.c deleted file mode 100644 index 74a09d3..0000000 --- a/libm/src/s_lrint.c +++ /dev/null @@ -1,58 +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 <fenv.h> -#include <math.h> - -#ifndef type -/* __FBSDID("$FreeBSD: src/lib/msun/src/s_lrint.c,v 1.1 2005/01/11 23:12:55 das Exp $"); */ -#define type double -#define roundit rint -#define dtype long -#define fn lrint -#endif - -/* - * C99 says we should not raise a spurious inexact exception when an - * invalid exception is raised. Unfortunately, the set of inputs - * that overflows depends on the rounding mode when 'dtype' has more - * significant bits than 'type'. Hence, we bend over backwards for the - * sake of correctness; an MD implementation could be more efficient. - */ -dtype -fn(type x) -{ - fenv_t env; - dtype d; - - feholdexcept(&env); - d = (dtype)roundit(x); - if (fetestexcept(FE_INVALID)) - feclearexcept(FE_INEXACT); - feupdateenv(&env); - return (d); -} |