diff options
Diffstat (limited to 'lib/msun/src')
| -rw-r--r-- | lib/msun/src/math.h | 1 | ||||
| -rw-r--r-- | lib/msun/src/s_tgammaf.c | 43 |
2 files changed, 44 insertions, 0 deletions
diff --git a/lib/msun/src/math.h b/lib/msun/src/math.h index 94bd919..85b8483 100644 --- a/lib/msun/src/math.h +++ b/lib/msun/src/math.h @@ -331,6 +331,7 @@ float erff(float); float erfcf(float); float hypotf(float, float); float lgammaf(float); +float tgammaf(float); float acoshf(float); float asinhf(float); diff --git a/lib/msun/src/s_tgammaf.c b/lib/msun/src/s_tgammaf.c new file mode 100644 index 0000000..9993d91 --- /dev/null +++ b/lib/msun/src/s_tgammaf.c @@ -0,0 +1,43 @@ +/*- + * Copyright (c) 2008 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> +__FBSDID("$FreeBSD$"); + +#include <math.h> + +/* + * We simply call tgamma() rather than bloating the math library with + * a float-optimized version of it. The reason is that tgammaf() is + * essentially useless, since the function is superexponential and + * floats have very limited range. + */ +float +tgammaf(float x) +{ + + return (tgamma(x)); +} |
