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- /* classes: h_files */
-
- #ifndef NUMBERSH
- #define NUMBERSH
- /* Copyright (C) 1995 Free Software Foundation, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
- */
-
-
- #include "__scm.h"
-
-
-
-
- /* Immediate Numbers
- *
- * Inums are exact integer data that fits within an SCM word.
- */
- #define SCM_INUMP(x) (2 & (int)(x))
- #define SCM_NINUMP(x) (!SCM_INUMP(x))
-
- #ifdef __TURBOC__
- /* shifts of more than one are done by a library call, single shifts are
- * performed in registers
- */
- # define SCM_MAKINUM(x) ((((x)<<1)<<1)+2L)
- #else
- # define SCM_MAKINUM(x) (((x)<<2)+2L)
- #endif /* def __TURBOC__ */
-
-
- /* SRS is signed right shift */
- /* Turbo C++ v1.0 has a bug with right shifts of signed longs!
- * It is believed to be fixed in Turbo C++ v1.01
- */
- #if (-1==(((-1)<<2)+2)>>2) && (__TURBOC__ != 0x295)
- # define SCM_SRS(x, y) ((x)>>y)
- # ifdef __TURBOC__
- # define SCM_INUM(x) (((x)>>1)>>1)
- # else
- # define SCM_INUM(x) SCM_SRS(x, 2)
- # endif /* def __TURBOC__ */
- #else
- # define SCM_SRS(x, y) (((x)<0) ? ~((~(x))>>y) : (x)>>y)
- # define SCM_INUM(x) SCM_SRS(x, 2)
- #endif /* (-1==(((-1)<<2)+2)>>2) && (__TURBOC__ != 0x295) */
-
-
- /* A name for 0.
- */
- #define SCM_INUM0 ((SCM) 2)
-
-
-
- /* FIXABLE is non-0 if its long argument can be encoded in an INUM.
- */
- #define SCM_POSFIXABLE(n) ((n) <= SCM_MOST_POSITIVE_FIXNUM)
- #define SCM_NEGFIXABLE(n) ((n) >= SCM_MOST_NEGATIVE_FIXNUM)
- #define SCM_UNEGFIXABLE(n) ((n) <= -SCM_MOST_NEGATIVE_FIXNUM)
- #define SCM_FIXABLE(n) (SCM_POSFIXABLE(n) && SCM_NEGFIXABLE(n))
-
- /* INTBUFLEN is the maximum number of characters neccessary for the
- * printed or scm_string representation of an exact immediate.
- */
-
- #ifndef SCM_CHAR_BIT
- # define SCM_CHAR_BIT 8
- #endif /* ndef SCM_CHAR_BIT */
- #ifndef SCM_LONG_BIT
- # define SCM_LONG_BIT (SCM_CHAR_BIT*sizeof(long)/sizeof(char))
- #endif /* ndef SCM_LONG_BIT */
- #define SCM_INTBUFLEN (5+SCM_LONG_BIT)
-
- /* FLOBUFLEN is the maximum number of characters neccessary for the
- * printed or scm_string representation of an inexact number.
- */
-
- #ifdef FLOATS
- # define SCM_FLOBUFLEN (10+2*(sizeof(double)/sizeof(char)*SCM_CHAR_BIT*3+9)/10)
- #endif /* FLOATS */
-
-
-
-
- /* Numbers
- */
-
- #ifdef FLOATS
- #define SCM_INEXP(x) (SCM_TYP16(x)==scm_tc16_flo)
- #define SCM_CPLXP(x) (SCM_CAR(x)==scm_tc_dblc)
- #define SCM_REAL(x) (*(((scm_dbl *) (SCM2PTR(x)))->real))
- #define SCM_IMAG(x) (*((double *)(CHARS(x)+sizeof(double))))
- /* ((&REAL(x))[1]) */
- #ifdef SINGLES
- #define SCM_REALP(x) ((~REAL_PART & CAR(x))==scm_tc_flo)
- #define SCM_SINGP(x) (CAR(x)==scm_tc_flo)
- #define SCM_FLO(x) (((scm_flo *)(SCM2PTR(x)))->num)
- #define SCM_REALPART(x) (SCM_SINGP(x)?0.0+FLO(x):SCM_REAL(x))
- #else /* SINGLES */
- #define SCM_REALP(x) (CAR(x)==scm_tc_dblr)
- #define SCM_REALPART SCM_REAL
- #endif /* SINGLES */
- #endif
-
-
- /* Define BIGDIG to an integer type whose size is smaller than long if
- * you want bignums. BIGRAD is one greater than the biggest BIGDIG.
- *
- * Define DIGSTOOBIG if the digits equivalent to a long won't fit in a long.
- */
- #ifdef BIGNUMS
- # ifdef _UNICOS
- # define SCM_DIGSTOOBIG
- # if (1L << 31) <= SCM_USHRT_MAX
- # define SCM_BIGDIG unsigned short
- # else
- # define SCM_BIGDIG unsigned int
- # endif /* (1L << 31) <= USHRT_MAX */
- # define SCM_BITSPERDIG 32
- # else
- # define SCM_BIGDIG unsigned short
- # define SCM_BITSPERDIG (sizeof(SCM_BIGDIG)*SCM_CHAR_BIT)
- # endif /* def _UNICOS */
- # define SCM_BIGRAD (1L << SCM_BITSPERDIG)
- # define SCM_DIGSPERLONG ((sizet)((sizeof(long)*SCM_CHAR_BIT+SCM_BITSPERDIG-1)/SCM_BITSPERDIG))
- # define SCM_BIGUP(x) ((unsigned long)(x) << SCM_BITSPERDIG)
- # define SCM_BIGDN(x) ((x) >> SCM_BITSPERDIG)
- # define SCM_BIGLO(x) ((x) & (SCM_BIGRAD-1))
- #endif /* def BIGNUMS */
-
- #ifndef SCM_BIGDIG
- /* Definition is not really used but helps various function
- * prototypes to compile with conditionalization.
- */
- # define SCM_BIGDIG unsigned short
- # define NO_BIGDIG
- # ifndef FLOATS
- # define INUMS_ONLY
- # endif /* ndef FLOATS */
- #endif /* ndef SCM_BIGDIG */
-
- #ifdef FLOATS
- #define SCM_NUMBERP(x) (INUMP(x) || (SCM_NIMP(x) && NUMP(x)))
- #else
- #ifdef BIGDIG
- #define SCM_NUMBERP(x) (INUMP(x) || (SCM_NIMP(x) && NUMP(x)))
- #else
- #define SCM_NUMBERP INUMP
- #endif
- #endif
- #define SCM_NUMP(x) ((0xfcff & (int)CAR(x))==tc7_smob)
- #define SCM_BIGP(x) (TYP16S(x)==tc16_bigpos)
- #define SCM_BIGSIGN(x) (0x0100 & (int)CAR(x))
- #define SCM_BDIGITS(x) ((BIGDIG *)(CDR(x)))
- #define SCM_NUMDIGS(x) ((sizet)(CAR(x)>>16))
- #define SCM_SETNUMDIGS(x, v, t) CAR(x) = (((v)+0L)<<16)+(t)
-
-
- #ifdef FLOATS
- typedef struct scm_dblproc
- {
- char *scm_string;
- double (*cproc) ();
- } scm_dblproc;
-
- #ifdef SINGLES
- typedef struct scm_flo
- {
- SCM type;
- float num;
- } scm_flo;
- #endif
-
- typedef struct scm_dbl
- {
- SCM type;
- double *real;
- } scm_dbl;
- #endif
-
-
-
-
- #ifdef __STDC__
- extern SCM scm_exact_p(SCM x);
- extern SCM scm_odd_p(SCM n);
- extern SCM scm_even_p(SCM n);
- extern SCM scm_abs(SCM x);
- extern SCM scm_quotient(SCM x, SCM y);
- extern SCM scm_remainder(SCM x, SCM y);
- extern SCM scm_modulo(SCM x, SCM y);
- extern SCM scm_gcd(SCM x, SCM y);
- extern SCM scm_lcm(SCM n1, SCM n2);
- extern SCM scm_logand(SCM n1, SCM n2);
- extern SCM scm_logior(SCM n1, SCM n2);
- extern SCM scm_logxor(SCM n1, SCM n2);
- extern SCM scm_logtest(SCM n1, SCM n2);
- extern SCM scm_logbit_p(SCM n1, SCM n2);
- extern SCM scm_logand(SCM n1, SCM n2);
- extern SCM scm_logior(SCM n1, SCM n2);
- extern SCM scm_logxor(SCM n1, SCM n2);
- extern SCM scm_logtest(SCM n1, SCM n2);
- extern SCM scm_logbit_p(SCM n1, SCM n2);
- extern SCM scm_lognot(SCM n);
- extern SCM scm_integer_expt(SCM z1, SCM z2);
- extern SCM scm_ash(SCM n, SCM cnt);
- extern SCM scm_bit_extract(SCM n, SCM start, SCM end);
- extern SCM scm_logcount (SCM n);
- extern SCM scm_integer_length(SCM n);
- extern SCM scm_mkbig(sizet nlen, int sign);
- extern SCM scm_big2inum(SCM b, sizet l);
- extern SCM scm_adjbig(SCM b, sizet nlen);
- extern SCM scm_normbig(SCM b);
- extern SCM scm_copybig(SCM b, int sign);
- extern SCM scm_long2big(long n);
- extern SCM scm_2ulong2big(unsigned long * np);
- extern SCM scm_ulong2big(unsigned long n);
- extern int scm_bigcomp(SCM x, SCM y);
- extern void scm_longdigs(long x, SCM_BIGDIG digs[]);
- extern SCM scm_addbig(SCM_BIGDIG *x, sizet nx, int xsgn, SCM bigy, int sgny);
- extern SCM scm_mulbig(SCM_BIGDIG *x, sizet nx, SCM_BIGDIG *y, sizet ny, int sgn);
- extern unsigned int scm_divbigdig(SCM_BIGDIG *ds, sizet h, SCM_BIGDIG div);
- extern SCM scm_divbigint(SCM x, long z, int sgn, int mode);
- extern SCM scm_divbigbig(SCM_BIGDIG *x, sizet nx, SCM_BIGDIG *y, sizet ny, int sgn, int modes);
- extern sizet scm_iint2str(long num, int rad, char *p);
- extern SCM scm_number_to_string(SCM x, SCM radix);
- extern int scm_floprint(SCM sexp, SCM port, int writing);
- extern int scm_bigprint(SCM exp, SCM port, int writing);
- extern SCM scm_istr2int(char *str, long len, long radix);
- extern SCM scm_istr2int(char *str, long len, long radix);
- extern SCM scm_istr2flo(char *str, long len, long radix);
- extern SCM scm_istring2number(char *str, long len, long radix);
- extern SCM scm_string_to_number(SCM str, SCM radix);
- extern SCM scm_makdbl (double x, double y);
- extern SCM scm_bigequal(SCM x, SCM y);
- extern SCM scm_floequal(SCM x, SCM y);
- extern SCM scm_number_p(SCM x);
- extern SCM scm_real_p(SCM x);
- extern SCM scm_int_p(SCM x);
- extern SCM scm_inexact_p(SCM x);
- extern SCM scm_num_eq_p(SCM x, SCM y);
- extern SCM scm_less_p(SCM x, SCM y);
- extern SCM scm_gr_p(SCM x, SCM y);
- extern SCM scm_leq_p(SCM x, SCM y);
- extern SCM scm_geq_p(SCM x, SCM y);
- extern SCM scm_zero_p(SCM z);
- extern SCM scm_positive_p(SCM x);
- extern SCM scm_negative_p(SCM x);
- extern SCM scm_max(SCM x, SCM y);
- extern SCM scm_min(SCM x, SCM y);
- extern SCM scm_sum(SCM x, SCM y);
- extern SCM scm_difference(SCM x, SCM y);
- extern SCM scm_product(SCM x, SCM y);
- extern double scm_num2dbl (SCM a, char * why);
- extern SCM scm_fuck (SCM a);
- extern SCM scm_divide(SCM x, SCM y);
- extern double scm_asinh(double x);
- extern double scm_acosh(double x);
- extern double scm_atanh(double x);
- extern double scm_truncate(double x);
- extern double scm_round(double x);
- extern double scm_exact_to_inexact(double z);
- extern SCM scm_sys_expt(SCM z1, SCM z2);
- extern SCM scm_sys_atan2(SCM z1, SCM z2);
- extern SCM scm_make_rectangular(SCM z1, SCM z2);
- extern SCM scm_make_polar(SCM z1, SCM z2);
- extern SCM scm_realpart(SCM z);
- extern SCM scm_imag_part(SCM z);
- extern SCM scm_magnitude(SCM z);
- extern SCM scm_angle(SCM z);
- extern SCM scm_inexact_to_exact(SCM z);
- extern SCM scm_trunc(SCM x);
- extern SCM scm_dbl2big(double d);
- extern double scm_big2dbl(SCM b);
- extern SCM scm_long2num(long sl);
- extern SCM scm_ulong2num(unsigned long sl);
- extern long scm_num2long(SCM num, char *pos, char *s_caller);
- extern long num2long(SCM num, char *pos, char *s_caller);
- extern unsigned long scm_num2ulong(SCM num, char *pos, char *s_caller);
- extern void scm_init_numbers (void);
-
- #else /* STDC */
- extern SCM scm_exact_p();
- extern SCM scm_odd_p();
- extern SCM scm_even_p();
- extern SCM scm_abs();
- extern SCM scm_quotient();
- extern SCM scm_remainder();
- extern SCM scm_modulo();
- extern SCM scm_gcd();
- extern SCM scm_lcm();
- extern SCM scm_logand();
- extern SCM scm_logior();
- extern SCM scm_logxor();
- extern SCM scm_logtest();
- extern SCM scm_logbit_p();
- extern SCM scm_logand();
- extern SCM scm_logior();
- extern SCM scm_logxor();
- extern SCM scm_logtest();
- extern SCM scm_logbit_p();
- extern SCM scm_lognot();
- extern SCM scm_integer_expt();
- extern SCM scm_ash();
- extern SCM scm_bit_extract();
- extern SCM scm_logcount ();
- extern SCM scm_integer_length();
- extern SCM scm_mkbig();
- extern SCM scm_big2inum();
- extern SCM scm_adjbig();
- extern SCM scm_normbig();
- extern SCM scm_copybig();
- extern SCM scm_long2big();
- extern SCM scm_2ulong2big();
- extern SCM scm_ulong2big();
- extern int scm_bigcomp();
- extern void scm_longdigs();
- extern SCM scm_addbig();
- extern SCM scm_mulbig();
- extern unsigned int scm_divbigdig();
- extern SCM scm_divbigint();
- extern SCM scm_divbigbig();
- extern sizet scm_iint2str();
- extern SCM scm_number_to_string();
- extern int scm_floprint();
- extern int scm_bigprint();
- extern SCM scm_istr2int();
- extern SCM scm_istr2int();
- extern SCM scm_istr2flo();
- extern SCM scm_istring2number();
- extern SCM scm_string_to_number();
- extern SCM scm_makdbl ();
- extern SCM scm_bigequal();
- extern SCM scm_floequal();
- extern SCM scm_number_p();
- extern SCM scm_real_p();
- extern SCM scm_int_p();
- extern SCM scm_inexact_p();
- extern SCM scm_num_eq_p();
- extern SCM scm_less_p();
- extern SCM scm_gr_p();
- extern SCM scm_leq_p();
- extern SCM scm_geq_p();
- extern SCM scm_zero_p();
- extern SCM scm_positive_p();
- extern SCM scm_negative_p();
- extern SCM scm_max();
- extern SCM scm_min();
- extern SCM scm_sum();
- extern SCM scm_difference();
- extern SCM scm_product();
- extern double scm_num2dbl ();
- extern SCM scm_fuck ();
- extern SCM scm_divide();
- extern double scm_asinh();
- extern double scm_acosh();
- extern double scm_atanh();
- extern double scm_truncate();
- extern double scm_round();
- extern double scm_exact_to_inexact();
- extern SCM scm_sys_expt();
- extern SCM scm_sys_atan2();
- extern SCM scm_make_rectangular();
- extern SCM scm_make_polar();
- extern SCM scm_realpart();
- extern SCM scm_imag_part();
- extern SCM scm_magnitude();
- extern SCM scm_angle();
- extern SCM scm_inexact_to_exact();
- extern SCM scm_trunc();
- extern SCM scm_dbl2big();
- extern double scm_big2dbl();
- extern SCM scm_long2num();
- extern SCM scm_ulong2num();
- extern long scm_num2long();
- extern long num2long();
- extern unsigned long scm_num2ulong();
- extern void scm_init_numbers ();
-
- #endif /* STDC */
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- #endif /* NUMBERSH */
-