diff options
Diffstat (limited to 'lib/msun/src')
| -rw-r--r-- | lib/msun/src/math.h | 2 | ||||
| -rw-r--r-- | lib/msun/src/s_copysignl.c | 42 |
2 files changed, 44 insertions, 0 deletions
diff --git a/lib/msun/src/math.h b/lib/msun/src/math.h index 1ca12d1..116335b 100644 --- a/lib/msun/src/math.h +++ b/lib/msun/src/math.h @@ -353,7 +353,9 @@ long double atanhl(long double); long double atanl(long double); long double cbrtl(long double); long double ceill(long double); +#endif long double copysignl(long double, long double); +#if 0 long double coshl(long double); long double cosl(long double); long double erfcl(long double); diff --git a/lib/msun/src/s_copysignl.c b/lib/msun/src/s_copysignl.c new file mode 100644 index 0000000..8d39f84 --- /dev/null +++ b/lib/msun/src/s_copysignl.c @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2004 Stefan Farfeleder + * 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 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 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" + +long double +copysignl(long double x, long double y) +{ + union IEEEl2bits ux, uy; + + ux.e = x; + uy.e = y; + ux.bits.sign = uy.bits.sign; + return (ux.e); +} |
