diff options
Diffstat (limited to 'arch/m68k/math-emu/fp_log.h')
| -rw-r--r-- | arch/m68k/math-emu/fp_log.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/m68k/math-emu/fp_log.h b/arch/m68k/math-emu/fp_log.h new file mode 100644 index 000000000000..c2bcfff11994 --- /dev/null +++ b/arch/m68k/math-emu/fp_log.h @@ -0,0 +1,44 @@ +/* + + fp_log.h: floating-point math routines for the Linux-m68k + floating point emulator. + + Copyright (c) 1998-1999 David Huggins-Daines / Roman Zippel. + + I hereby give permission, free of charge, to copy, modify, and + redistribute this software, in source or binary form, provided that + the above copyright notice and the following disclaimer are included + in all such copies. + + THIS SOFTWARE IS PROVIDED "AS IS", WITH ABSOLUTELY NO WARRANTY, REAL + OR IMPLIED. + +*/ + +#ifndef _FP_LOG_H +#define _FP_LOG_H + +#include "fp_emu.h" + +/* floating point logarithmic instructions: + + the arguments to these are in the "internal" extended format, that + is, an "exploded" version of the 96-bit extended fp format used by + the 68881. + + they return a status code, which should end up in %d0, if all goes + well. */ + +struct fp_ext *fp_fsqrt(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_fetoxm1(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_fetox(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_ftwotox(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_ftentox(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_flogn(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_flognp1(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_flog10(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_flog2(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_fgetexp(struct fp_ext *dest, struct fp_ext *src); +struct fp_ext *fp_fgetman(struct fp_ext *dest, struct fp_ext *src); + +#endif /* _FP_LOG_H */ |