diff options
Diffstat (limited to 'libexec/rtld-elf/tests/libpythagoras/pythagoras.c')
-rw-r--r-- | libexec/rtld-elf/tests/libpythagoras/pythagoras.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libexec/rtld-elf/tests/libpythagoras/pythagoras.c b/libexec/rtld-elf/tests/libpythagoras/pythagoras.c new file mode 100644 index 0000000..c7fa604 --- /dev/null +++ b/libexec/rtld-elf/tests/libpythagoras/pythagoras.c @@ -0,0 +1,42 @@ +/*- + * Copyright 2014 Jonathan Anderson. + * 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 ``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 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 <errno.h> +#include <math.h> + +#include "pythagoras.h" + +double +pythagorean_theorem(double a, double b) +{ + + if (a <= 0 || b <= 0) { + errno = ERANGE; + return (-1.0); + } + return (sqrt(pow(a, 2) + pow(b, 2))); +} |