fp_arith.h

该文件是rt_linux

/*

   fp_arith.h: floating-point math routines for the Linux-m68k
   floating point emulator.

   Copyright (c) 1998 David Huggins-Daines.

   Somewhat based on the AlphaLinux floating point emulator, by David
   Mosberger-Tang.

   You may copy, modify, and redistribute this file under the terms of
   the GNU General Public License, version 2, or any later version, at
   your convenience.

 */

#ifndef FP_ARITH_H
#define FP_ARITH_H

/* easy ones */
struct fp_ext *
fp_fabs(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_fneg(struct fp_ext *dest, struct fp_ext *src);

/* straightforward arithmetic */
struct fp_ext *
fp_fadd(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_fsub(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_fcmp(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_ftst(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_fmul(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_fdiv(struct fp_ext *dest, struct fp_ext *src);

/* ones that do rounding and integer conversions */
struct fp_ext *
fp_fmod(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_frem(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_fint(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_fintrz(struct fp_ext *dest, struct fp_ext *src);
struct fp_ext *
fp_fscale(struct fp_ext *dest, struct fp_ext *src);

#endif	/* FP_ARITH__H */