diff options
| -rw-r--r-- | lib/libc/alpha/gen/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/alpha/gen/frexp.c | 56 | ||||
| -rw-r--r-- | lib/libc/amd64/gen/Makefile.inc | 3 | ||||
| -rw-r--r-- | lib/libc/amd64/gen/frexp.c | 67 | ||||
| -rw-r--r-- | lib/libc/arm/gen/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/arm/gen/frexp.c | 67 | ||||
| -rw-r--r-- | lib/libc/gen/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/gen/frexp.c | 57 | ||||
| -rw-r--r-- | lib/libc/i386/gen/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/i386/gen/frexp.c | 67 | ||||
| -rw-r--r-- | lib/libc/ia64/gen/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/ia64/gen/frexp.c | 56 | ||||
| -rw-r--r-- | lib/libc/powerpc/gen/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/powerpc/gen/frexp.c | 56 | ||||
| -rw-r--r-- | lib/libc/sparc64/gen/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/sparc64/gen/frexp.c | 78 |
16 files changed, 65 insertions, 456 deletions
diff --git a/lib/libc/alpha/gen/Makefile.inc b/lib/libc/alpha/gen/Makefile.inc index 11950b2..8f69274 100644 --- a/lib/libc/alpha/gen/Makefile.inc +++ b/lib/libc/alpha/gen/Makefile.inc @@ -1,6 +1,6 @@ # $FreeBSD$ -SRCS+= _setjmp.S fabs.S frexp.c infinity.c ldexp.c modf.c setjmp.S +SRCS+= _setjmp.S fabs.S infinity.c ldexp.c modf.c setjmp.S SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \ fpsetround.c fpsetsticky.c diff --git a/lib/libc/alpha/gen/frexp.c b/lib/libc/alpha/gen/frexp.c deleted file mode 100644 index 386c36b..0000000 --- a/lib/libc/alpha/gen/frexp.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright (c) 1994, 1995 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - * - * $NetBSD: frexp.c,v 1.1 1995/02/10 17:50:22 cgd Exp $ - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <machine/ieee.h> -#include <math.h> - -double -frexp(value, eptr) - double value; - int *eptr; -{ - union doub { - double v; - struct ieee_double s; - } u; - - if (value) { - u.v = value; - *eptr = u.s.dbl_exp - (DBL_EXP_BIAS - 1); - u.s.dbl_exp = DBL_EXP_BIAS - 1; - return(u.v); - } else { - *eptr = 0; - return((double)0); - } -} diff --git a/lib/libc/amd64/gen/Makefile.inc b/lib/libc/amd64/gen/Makefile.inc index 2caa178..9f559e6 100644 --- a/lib/libc/amd64/gen/Makefile.inc +++ b/lib/libc/amd64/gen/Makefile.inc @@ -3,7 +3,6 @@ SRCS+= _setjmp.S rfork_thread.S setjmp.S sigsetjmp.S \ fabs.S modf.S \ - frexp.c infinity.c ldexp.c \ - makecontext.c signalcontext.c \ + infinity.c ldexp.c makecontext.c signalcontext.c \ fpgetmask.c fpsetmask.c fpgetprec.c fpsetprec.c \ fpgetround.c fpsetround.c fpgetsticky.c fpsetsticky.c diff --git a/lib/libc/amd64/gen/frexp.c b/lib/libc/amd64/gen/frexp.c deleted file mode 100644 index 37f6a57..0000000 --- a/lib/libc/amd64/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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)frexp.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#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); - } -} diff --git a/lib/libc/arm/gen/Makefile.inc b/lib/libc/arm/gen/Makefile.inc index e598d34..dd9270e 100644 --- a/lib/libc/arm/gen/Makefile.inc +++ b/lib/libc/arm/gen/Makefile.inc @@ -1,6 +1,6 @@ # @(#)Makefile.inc 8.1 (Berkeley) 6/4/93 # $FreeBSD$ -SRCS+= _ctx_start.S _setjmp.S alloca.S fabs.c frexp.c \ +SRCS+= _ctx_start.S _setjmp.S alloca.S fabs.c \ infinity.c ldexp.c makecontext.c modf.c \ setjmp.S signalcontext.c sigsetjmp.S divsi3.S diff --git a/lib/libc/arm/gen/frexp.c b/lib/libc/arm/gen/frexp.c deleted file mode 100644 index 37f6a57..0000000 --- a/lib/libc/arm/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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)frexp.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#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); - } -} diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc index 3f71b98..14b56ce 100644 --- a/lib/libc/gen/Makefile.inc +++ b/lib/libc/gen/Makefile.inc @@ -10,7 +10,7 @@ SRCS+= __xuname.c _pthread_stubs.c _rand48.c _spinlock_stub.c _thread_init.c \ crypt.c ctermid.c daemon.c devname.c dirname.c disklabel.c \ dlfcn.c dlfunc.c drand48.c erand48.c err.c errlst.c errno.c \ exec.c fmtcheck.c fmtmsg.c fnmatch.c \ - fpclassify.c fstab.c ftok.c fts.c ftw.c \ + fpclassify.c frexp.c fstab.c ftok.c fts.c ftw.c \ getbootfile.c getbsize.c \ getcap.c getcwd.c getdomainname.c getgrent.c getgrouplist.c \ gethostname.c getloadavg.c getlogin.c getmntinfo.c getnetgrent.c \ diff --git a/lib/libc/gen/frexp.c b/lib/libc/gen/frexp.c new file mode 100644 index 0000000..53483da --- /dev/null +++ b/lib/libc/gen/frexp.c @@ -0,0 +1,57 @@ +/*- + * Copyright (c) 2004 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. + * + * $FreeBSD$ + */ + +#include <math.h> + +#include "fpmath.h" + +double +frexp(double d, int *ex) +{ + union IEEEd2bits u; + + u.d = d; + switch (u.bits.exp) { + case 0: /* 0 or subnormal */ + if ((u.bits.manl | u.bits.manh) == 0) { + *ex = 0; + } else { + u.d *= 0x1.0p514; + *ex = u.bits.exp - 1536; + u.bits.exp = 1022; + } + break; + case 2047: /* infinity or NaN; value of *ex is unspecified */ + break; + default: /* normal */ + *ex = u.bits.exp - 1022; + u.bits.exp = 1022; + break; + } + return (u.d); +} diff --git a/lib/libc/i386/gen/Makefile.inc b/lib/libc/i386/gen/Makefile.inc index 624ec54..fcfc9ec 100644 --- a/lib/libc/i386/gen/Makefile.inc +++ b/lib/libc/i386/gen/Makefile.inc @@ -1,6 +1,6 @@ # @(#)Makefile.inc 8.1 (Berkeley) 6/4/93 # $FreeBSD$ -SRCS+= _ctx_start.S _setjmp.S alloca.S fabs.S frexp.c \ +SRCS+= _ctx_start.S _setjmp.S alloca.S fabs.S \ infinity.c ldexp.c makecontext.c modf.S \ rfork_thread.S setjmp.S signalcontext.c sigsetjmp.S diff --git a/lib/libc/i386/gen/frexp.c b/lib/libc/i386/gen/frexp.c deleted file mode 100644 index 37f6a57..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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)frexp.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#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); - } -} diff --git a/lib/libc/ia64/gen/Makefile.inc b/lib/libc/ia64/gen/Makefile.inc index 3f68eeb..30bb45e 100644 --- a/lib/libc/ia64/gen/Makefile.inc +++ b/lib/libc/ia64/gen/Makefile.inc @@ -2,7 +2,7 @@ SRCS+= __divdf3.S __divdi3.S __divsf3.S __divsi3.S __moddi3.S __modsi3.S \ __udivdi3.S __udivsi3.S __umoddi3.S __umodsi3.S _setjmp.S fabs.S \ - fpgetmask.c fpgetround.c fpsetmask.c fpsetround.c frexp.c infinity.c \ + fpgetmask.c fpgetround.c fpsetmask.c fpsetround.c infinity.c \ ldexp.c makecontext.c modf.c setjmp.S signalcontext.c sigsetjmp.S # The following may go away if function _Unwind_FindTableEntry() diff --git a/lib/libc/ia64/gen/frexp.c b/lib/libc/ia64/gen/frexp.c deleted file mode 100644 index d4f5139..0000000 --- a/lib/libc/ia64/gen/frexp.c +++ /dev/null @@ -1,56 +0,0 @@ -/* $NetBSD: frexp.c,v 1.1 1995/02/10 17:50:22 cgd Exp $ */ - -/* - * Copyright (c) 1994, 1995 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <machine/ieee.h> -#include <math.h> - -double -frexp(value, eptr) - double value; - int *eptr; -{ - union doub { - double v; - struct ieee_double s; - } u; - - if (value) { - u.v = value; - *eptr = u.s.dbl_exp - (DBL_EXP_BIAS - 1); - u.s.dbl_exp = DBL_EXP_BIAS - 1; - return(u.v); - } else { - *eptr = 0; - return((double)0); - } -} diff --git a/lib/libc/powerpc/gen/Makefile.inc b/lib/libc/powerpc/gen/Makefile.inc index 22689d7..2257e56 100644 --- a/lib/libc/powerpc/gen/Makefile.inc +++ b/lib/libc/powerpc/gen/Makefile.inc @@ -1,7 +1,7 @@ # $FreeBSD$ SRCS += _ctx_start.S fabs.S flt_rounds.c fpgetmask.c fpgetround.c \ - fpgetsticky.c fpsetmask.c fpsetround.c fpsetsticky.c frexp.c \ + fpgetsticky.c fpsetmask.c fpsetround.c fpsetsticky.c \ infinity.c ldexp.c makecontext.c modf.c _setjmp.S \ setjmp.S sigsetjmp.S syncicache.c diff --git a/lib/libc/powerpc/gen/frexp.c b/lib/libc/powerpc/gen/frexp.c deleted file mode 100644 index 386c36b..0000000 --- a/lib/libc/powerpc/gen/frexp.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright (c) 1994, 1995 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - * - * $NetBSD: frexp.c,v 1.1 1995/02/10 17:50:22 cgd Exp $ - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <machine/ieee.h> -#include <math.h> - -double -frexp(value, eptr) - double value; - int *eptr; -{ - union doub { - double v; - struct ieee_double s; - } u; - - if (value) { - u.v = value; - *eptr = u.s.dbl_exp - (DBL_EXP_BIAS - 1); - u.s.dbl_exp = DBL_EXP_BIAS - 1; - return(u.v); - } else { - *eptr = 0; - return((double)0); - } -} diff --git a/lib/libc/sparc64/gen/Makefile.inc b/lib/libc/sparc64/gen/Makefile.inc index 789f95ac..022a4a3e 100644 --- a/lib/libc/sparc64/gen/Makefile.inc +++ b/lib/libc/sparc64/gen/Makefile.inc @@ -2,5 +2,5 @@ SRCS+= _ctx_start.S _setjmp.S fabs.S fixunsdfsi.S flt_rounds.c fpgetmask.c \ fpgetround.c fpgetsticky.c fpsetmask.c fpsetround.c fpsetsticky.c \ - frexp.c infinity.c ldexp.c makecontext.c modf.S \ + infinity.c ldexp.c makecontext.c modf.S \ signalcontext.c setjmp.S sigsetjmp.S diff --git a/lib/libc/sparc64/gen/frexp.c b/lib/libc/sparc64/gen/frexp.c deleted file mode 100644 index e31a1c8..0000000 --- a/lib/libc/sparc64/gen/frexp.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This software was developed by the Computer Systems Engineering group - * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and - * contributed to Berkeley. - * - * 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: frexp.c,v 1.2 2001/09/10 22:37:06 millert Exp $"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <machine/ieee.h> - -/* - * Split the given value into a fraction in the range [0.5, 1.0) and - * an exponent, such that frac * (2^exp) == value. If value is 0, - * return 0. - */ -double -frexp(value, eptr) - double value; - int *eptr; -{ - union { - double v; - struct ieee_double s; - } u; - - if (value) { - /* - * Fractions in [0.5..1.0) have an exponent of 2^-1. - * Leave Inf and NaN alone, however. - * WHAT ABOUT DENORMS? - */ - u.v = value; - if (u.s.dbl_exp != DBL_EXP_INFNAN) { - *eptr = u.s.dbl_exp - (DBL_EXP_BIAS - 1); - u.s.dbl_exp = DBL_EXP_BIAS - 1; - } - return (u.v); - } else { - *eptr = 0; - return ((double)0); - } -} |
