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45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
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/*
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fp_log.h: floating-point math routines for the Linux-m68k
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floating point emulator.
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Copyright (c) 1998-1999 David Huggins-Daines / Roman Zippel.
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I hereby give permission, free of charge, to copy, modify, and
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redistribute this software, in source or binary form, provided that
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the above copyright notice and the following disclaimer are included
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in all such copies.
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THIS SOFTWARE IS PROVIDED "AS IS", WITH ABSOLUTELY NO WARRANTY, REAL
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OR IMPLIED.
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*/
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#ifndef _FP_LOG_H
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#define _FP_LOG_H
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#include "fp_emu.h"
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/* floating point logarithmic instructions:
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the arguments to these are in the "internal" extended format, that
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is, an "exploded" version of the 96-bit extended fp format used by
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the 68881.
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they return a status code, which should end up in %d0, if all goes
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well. */
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struct fp_ext *fp_fsqrt(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_fetoxm1(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_fetox(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_ftwotox(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_ftentox(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_flogn(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_flognp1(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_flog10(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_flog2(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_fgetexp(struct fp_ext *dest, struct fp_ext *src);
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struct fp_ext *fp_fgetman(struct fp_ext *dest, struct fp_ext *src);
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#endif /* _FP_LOG_H */
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