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- /*
- * (c) copyright 1989 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
- /* $Id$ */
- #ifndef __FLT_INCLUDED__
- #define __FLT_INCLUDED__
- #include "ansi.h"
- #include <em_arith.h>
- struct flt_mantissa {
- long flt_h_32; /* high order 32 bits of mantissa */
- long flt_l_32; /* low order 32 bits of mantissa */
- };
- typedef struct flt_arith {
- short flt_sign; /* 0 for positive, 1 for negative */
- short flt_exp; /* between -16384 and 16384 */
- struct flt_mantissa flt_mantissa; /* normalized, in [1,2). */
- } flt_arith;
- extern int flt_status;
- #define FLT_OVFL 001
- #define FLT_UNFL 002
- #define FLT_DIV0 004
- #define FLT_NOFLT 010
- #define FLT_BTSM 020
- #define FLT_STRLEN 32 /* max length of result of flt_flt2str() */
- _PROTOTYPE(void flt_add, (flt_arith *, flt_arith *, flt_arith *));
- _PROTOTYPE(void flt_sub, (flt_arith *, flt_arith *, flt_arith *));
- _PROTOTYPE(void flt_mul, (flt_arith *, flt_arith *, flt_arith *));
- _PROTOTYPE(void flt_div, (flt_arith *, flt_arith *, flt_arith *));
- _PROTOTYPE(void flt_modf, (flt_arith *, flt_arith *, flt_arith *));
- _PROTOTYPE(int flt_cmp, (flt_arith *, flt_arith *));
- _PROTOTYPE(void flt_str2flt, (char *, flt_arith *));
- _PROTOTYPE(void flt_flt2str, (flt_arith *, char *, int));
- _PROTOTYPE(void flt_arith2flt, (arith, flt_arith *, int));
- _PROTOTYPE(arith flt_flt2arith, (flt_arith *, int));
- _PROTOTYPE(void flt_b64_sft, (struct flt_mantissa *, int));
- _PROTOTYPE(void flt_umin, (flt_arith *));
- #endif /* __FLT_INCLUDED__ */
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