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Diffstat (limited to 'src/lib/fixedpoint.h')
| -rw-r--r-- | src/lib/fixedpoint.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/lib/fixedpoint.h b/src/lib/fixedpoint.h new file mode 100644 index 0000000..8b4216c --- /dev/null +++ b/src/lib/fixedpoint.h @@ -0,0 +1,42 @@ +/* -*- mode: c; c-file-style: "openbsd" -*- */ +/* + * Copyright (c) 2012 Vincent Bernat <bernat@luffy.cx> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +#if !defined FIXEDPOINT_H && defined ENABLE_LLDPMED +# define FIXEDPOINT_H + +struct fp_number { + struct { + long long value; + unsigned bits; + } integer; + struct { + long long value; + unsigned bits; + unsigned precision; + } fraction; +}; +struct fp_number fp_strtofp(const char *, char **, unsigned, unsigned); +struct fp_number fp_buftofp(const unsigned char *, unsigned, unsigned, unsigned); +struct fp_number fp_negate(struct fp_number); +char *fp_fptostr(struct fp_number, const char *); +void fp_fptobuf(struct fp_number, unsigned char *, unsigned); + +#endif |