diff options
Diffstat (limited to 'lib/libc/i386/gen/frexp.c')
-rw-r--r-- | lib/libc/i386/gen/frexp.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/lib/libc/i386/gen/frexp.c b/lib/libc/i386/gen/frexp.c deleted file mode 100644 index aba4802..0000000 --- a/lib/libc/i386/gen/frexp.c +++ /dev/null @@ -1,67 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) -static const char rcsid[] = "$Id$"; -#endif /* LIBC_RCS and not lint */ - -#include <sys/types.h> -#include <math.h> - -double -frexp(value, eptr) - double value; - int *eptr; -{ - union { - double v; - struct { - u_int u_mant2 : 32; - u_int u_mant1 : 20; - u_int u_exp : 11; - u_int u_sign : 1; - } s; - } u; - - if (value) { - u.v = value; - *eptr = u.s.u_exp - 1022; - u.s.u_exp = 1022; - return(u.v); - } else { - *eptr = 0; - return((double)0); - } -} |