1/*
2
3  fp_log.h: floating-point math routines for the Linux-m68k
4  floating point emulator.
5
6  Copyright (c) 1998-1999 David Huggins-Daines / Roman Zippel.
7
8  I hereby give permission, free of charge, to copy, modify, and
9  redistribute this software, in source or binary form, provided that
10  the above copyright notice and the following disclaimer are included
11  in all such copies.
12
13  THIS SOFTWARE IS PROVIDED "AS IS", WITH ABSOLUTELY NO WARRANTY, REAL
14  OR IMPLIED.
15
16*/
17
18#ifndef _FP_LOG_H
19#define _FP_LOG_H
20
21#include "fp_emu.h"
22
23/* floating point logarithmic instructions:
24
25   the arguments to these are in the "internal" extended format, that
26   is, an "exploded" version of the 96-bit extended fp format used by
27   the 68881.
28
29   they return a status code, which should end up in %d0, if all goes
30   well.  */
31
32struct fp_ext *fp_fsqrt(struct fp_ext *dest, struct fp_ext *src);
33struct fp_ext *fp_fetoxm1(struct fp_ext *dest, struct fp_ext *src);
34struct fp_ext *fp_fetox(struct fp_ext *dest, struct fp_ext *src);
35struct fp_ext *fp_ftwotox(struct fp_ext *dest, struct fp_ext *src);
36struct fp_ext *fp_ftentox(struct fp_ext *dest, struct fp_ext *src);
37struct fp_ext *fp_flogn(struct fp_ext *dest, struct fp_ext *src);
38struct fp_ext *fp_flognp1(struct fp_ext *dest, struct fp_ext *src);
39struct fp_ext *fp_flog10(struct fp_ext *dest, struct fp_ext *src);
40struct fp_ext *fp_flog2(struct fp_ext *dest, struct fp_ext *src);
41struct fp_ext *fp_fgetexp(struct fp_ext *dest, struct fp_ext *src);
42struct fp_ext *fp_fgetman(struct fp_ext *dest, struct fp_ext *src);
43
44#endif /* _FP_LOG_H */
45