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- /* classes: h_files */
-
- #ifndef NUMBERSH
- #define NUMBERSH
- /* Copyright (C) 1995, 1996, 1998 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, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 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 "libguile/__scm.h"
-
-
-
-
- /* Immediate Numbers
- *
- * Inums are exact integer data that fits within an SCM word.
- *
- * SCM_INUMP applies only to values known to be Scheme objects.
- * In particular, SCM_INUMP (SCM_CAR (x)) is valid only if x is known
- * to be a SCM_CONSP. If x is only known to be a SCM_NIMP,
- * SCM_INUMP (SCM_CAR (x)) can give wrong answers.
- */
-
- #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__ */
-
-
- /* SCM_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)
-
-
-
- /* SCM_FIXABLE is non-0 if its long argument can be encoded in an SCM_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))
-
- /* SCM_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)
-
- /* SCM_FLOBUFLEN is the maximum number of characters neccessary for the
- * printed or scm_string representation of an inexact number.
- */
-
- #define SCM_FLOBUFLEN (10+2*(sizeof(double)/sizeof(char)*SCM_CHAR_BIT*3+9)/10)
-
-
-
-
- /* Numbers
- */
-
- #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 *)(SCM_CHARS(x)+sizeof(double))))
- /* ((&SCM_REAL(x))[1]) */
-
-
- #ifdef SCM_SINGLES
- #define SCM_REALP(x) ((~SCM_REAL_PART & SCM_CAR(x))==scm_tc_flo)
- #define SCM_SINGP(x) (SCM_CAR(x)==scm_tc_flo)
- #define SCM_FLO(x) (((scm_flo *)(SCM2PTR(x)))->num)
- #define SCM_REALPART(x) (SCM_SINGP(x)?0.0+SCM_FLO(x):SCM_REAL(x))
- #else /* SCM_SINGLES */
- #define SCM_REALP(x) (SCM_CAR(x)==scm_tc_dblr)
- #define SCM_REALPART SCM_REAL
- #endif /* SCM_SINGLES */
-
-
- /* Define SCM_BIGDIG to an integer type whose size is smaller than long if
- * you want bignums. SCM_BIGRAD is one greater than the biggest SCM_BIGDIG.
- *
- * Define SCM_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 ((scm_sizet)((sizeof(long)*SCM_CHAR_BIT+SCM_BITSPERDIG-1)/SCM_BITSPERDIG))
- # define SCM_DIGSPERLONGLONG ((scm_sizet)((sizeof(long long)*SCM_CHAR_BIT+SCM_BITSPERDIG-1)/SCM_BITSPERDIG))
- # define SCM_BIGUP(x) ((unsigned long)(x) << SCM_BITSPERDIG)
- # define SCM_LONGLONGBIGUP(x) ((ulong_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 SCM_NO_BIGDIG
- # ifndef SCM_FLOATS
- # define SCM_INUMS_ONLY
- # endif /* ndef SCM_FLOATS */
- #endif /* ndef SCM_BIGDIG */
-
- #ifdef SCM_FLOATS
- #define SCM_NUMBERP(x) (SCM_INUMP(x) || (SCM_NIMP(x) && SCM_NUMP(x)))
- #ifdef SCM_BIGDIG
- #define SCM_NUM2DBL(x) (SCM_INUMP (x) \
- ? (double) SCM_INUM (x) \
- : (SCM_REALP (x) \
- ? SCM_REALPART (x) \
- : scm_big2dbl (x)))
- #else
- #define SCM_NUM2DBL(x) (SCM_INUMP (x) \
- ? (double) SCM_INUM (x) \
- : SCM_REALPART (x))
- #endif
- #else
- #ifdef SCM_BIGDIG
- #define SCM_NUMBERP(x) (SCM_INUMP(x) || (SCM_NIMP(x) && SCM_NUMP(x)))
- #define SCM_NUM2DBL(x) (SCM_INUMP (x) \
- ? (double) SCM_INUM (x) \
- : scm_big2dbl (x))
- #else
- #define SCM_NUMBERP SCM_INUMP
- #define SCM_NUM2DBL(x) ((double) SCM_INUM (x))
- #endif
- #endif
- #define SCM_NUMP(x) ((0xfcff & (int)SCM_CAR(x))==scm_tc7_smob)
- #define SCM_BIGP(x) (SCM_TYP16S(x)==scm_tc16_bigpos)
- #define SCM_BIGSIGN(x) (0x0100 & (int)SCM_CAR(x))
- #define SCM_BDIGITS(x) ((SCM_BIGDIG *)(SCM_CDR(x)))
- #define SCM_NUMDIGS(x) ((scm_sizet)(SCM_CAR(x)>>16))
- #define SCM_SETNUMDIGS(x, v, t) SCM_SETCAR(x, (((v)+0L)<<16)+(t))
-
-
- #ifdef SCM_FLOATS
- typedef struct scm_dblproc
- {
- char *scm_string;
- double (*cproc) ();
- } scm_dblproc;
-
- #ifdef SCM_SINGLES
- typedef struct scm_flo
- {
- SCM type;
- float num;
- } scm_flo;
- #endif
-
- typedef struct scm_dbl
- {
- SCM type;
- double *real;
- } scm_dbl;
- #endif
-
-
-
-
-
- extern SCM scm_exact_p SCM_P ((SCM x));
- extern SCM scm_odd_p SCM_P ((SCM n));
- extern SCM scm_even_p SCM_P ((SCM n));
- extern SCM scm_abs SCM_P ((SCM x));
- extern SCM scm_quotient SCM_P ((SCM x, SCM y));
- extern SCM scm_remainder SCM_P ((SCM x, SCM y));
- extern SCM scm_modulo SCM_P ((SCM x, SCM y));
- extern SCM scm_gcd SCM_P ((SCM x, SCM y));
- extern SCM scm_lcm SCM_P ((SCM n1, SCM n2));
- extern SCM scm_logand SCM_P ((SCM n1, SCM n2));
- extern SCM scm_logior SCM_P ((SCM n1, SCM n2));
- extern SCM scm_logxor SCM_P ((SCM n1, SCM n2));
- extern SCM scm_logtest SCM_P ((SCM n1, SCM n2));
- extern SCM scm_logbit_p SCM_P ((SCM n1, SCM n2));
- extern SCM scm_lognot SCM_P ((SCM n));
- extern SCM scm_integer_expt SCM_P ((SCM z1, SCM z2));
- extern SCM scm_ash SCM_P ((SCM n, SCM cnt));
- extern SCM scm_bit_extract SCM_P ((SCM n, SCM start, SCM end));
- extern SCM scm_logcount SCM_P ((SCM n));
- extern SCM scm_integer_length SCM_P ((SCM n));
- extern SCM scm_mkbig SCM_P ((scm_sizet nlen, int sign));
- extern SCM scm_big2inum SCM_P ((SCM b, scm_sizet l));
- extern SCM scm_adjbig SCM_P ((SCM b, scm_sizet nlen));
- extern SCM scm_normbig SCM_P ((SCM b));
- extern SCM scm_copybig SCM_P ((SCM b, int sign));
- extern SCM scm_long2big SCM_P ((long n));
- extern SCM scm_long_long2big SCM_P ((long_long n));
- extern SCM scm_2ulong2big SCM_P ((unsigned long * np));
- extern SCM scm_ulong2big SCM_P ((unsigned long n));
- extern int scm_bigcomp SCM_P ((SCM x, SCM y));
- extern long scm_pseudolong SCM_P ((long x));
- extern void scm_longdigs SCM_P ((long x, SCM_BIGDIG digs[]));
- extern SCM scm_addbig SCM_P ((SCM_BIGDIG *x, scm_sizet nx, int xsgn, SCM bigy, int sgny));
- extern SCM scm_mulbig SCM_P ((SCM_BIGDIG *x, scm_sizet nx, SCM_BIGDIG *y, scm_sizet ny, int sgn));
- extern unsigned int scm_divbigdig SCM_P ((SCM_BIGDIG *ds, scm_sizet h, SCM_BIGDIG div));
- extern SCM scm_divbigint SCM_P ((SCM x, long z, int sgn, int mode));
- extern SCM scm_divbigbig SCM_P ((SCM_BIGDIG *x, scm_sizet nx, SCM_BIGDIG *y, scm_sizet ny, int sgn, int modes));
- extern scm_sizet scm_iint2str SCM_P ((long num, int rad, char *p));
- extern SCM scm_number_to_string SCM_P ((SCM x, SCM radix));
- extern int scm_floprint SCM_P ((SCM sexp, SCM port, scm_print_state *pstate));
- extern int scm_bigprint SCM_P ((SCM exp, SCM port, scm_print_state *pstate));
- extern SCM scm_istr2int SCM_P ((char *str, long len, long radix));
- extern SCM scm_istr2flo SCM_P ((char *str, long len, long radix));
- extern SCM scm_istring2number SCM_P ((char *str, long len, long radix));
- extern SCM scm_string_to_number SCM_P ((SCM str, SCM radix));
- extern SCM scm_makdbl SCM_P ((double x, double y));
- extern SCM scm_bigequal SCM_P ((SCM x, SCM y));
- extern SCM scm_floequal SCM_P ((SCM x, SCM y));
- extern SCM scm_number_p SCM_P ((SCM x));
- extern SCM scm_real_p SCM_P ((SCM x));
- extern SCM scm_integer_p SCM_P ((SCM x));
- extern SCM scm_inexact_p SCM_P ((SCM x));
- extern SCM scm_num_eq_p SCM_P ((SCM x, SCM y));
- extern SCM scm_less_p SCM_P ((SCM x, SCM y));
- extern SCM scm_gr_p SCM_P ((SCM x, SCM y));
- extern SCM scm_leq_p SCM_P ((SCM x, SCM y));
- extern SCM scm_geq_p SCM_P ((SCM x, SCM y));
- extern SCM scm_zero_p SCM_P ((SCM z));
- extern SCM scm_positive_p SCM_P ((SCM x));
- extern SCM scm_negative_p SCM_P ((SCM x));
- extern SCM scm_max SCM_P ((SCM x, SCM y));
- extern SCM scm_min SCM_P ((SCM x, SCM y));
- extern SCM scm_sum SCM_P ((SCM x, SCM y));
- extern SCM scm_difference SCM_P ((SCM x, SCM y));
- extern SCM scm_product SCM_P ((SCM x, SCM y));
- extern double scm_num2dbl SCM_P ((SCM a, char * why));
- extern SCM scm_divide SCM_P ((SCM x, SCM y));
- extern double scm_asinh SCM_P ((double x));
- extern double scm_acosh SCM_P ((double x));
- extern double scm_atanh SCM_P ((double x));
- extern double scm_truncate SCM_P ((double x));
- extern double scm_round SCM_P ((double x));
- extern double scm_exact_to_inexact SCM_P ((double z));
- extern SCM scm_sys_expt SCM_P ((SCM z1, SCM z2));
- extern SCM scm_sys_atan2 SCM_P ((SCM z1, SCM z2));
- extern SCM scm_make_rectangular SCM_P ((SCM z1, SCM z2));
- extern SCM scm_make_polar SCM_P ((SCM z1, SCM z2));
- extern SCM scm_real_part SCM_P ((SCM z));
- extern SCM scm_imag_part SCM_P ((SCM z));
- extern SCM scm_magnitude SCM_P ((SCM z));
- extern SCM scm_angle SCM_P ((SCM z));
- extern SCM scm_inexact_to_exact SCM_P ((SCM z));
- extern SCM scm_trunc SCM_P ((SCM x));
- extern SCM scm_dbl2big SCM_P ((double d));
- extern double scm_big2dbl SCM_P ((SCM b));
- extern SCM scm_long2num SCM_P ((long sl));
- extern SCM scm_long_long2num SCM_P ((long_long sl));
- extern SCM scm_ulong2num SCM_P ((unsigned long sl));
- extern long scm_num2long SCM_P ((SCM num, char *pos, char *s_caller));
- extern long num2long SCM_P ((SCM num, char *pos, char *s_caller));
- extern long_long scm_num2long_long SCM_P ((SCM num, char *pos, char *s_caller));
- extern unsigned long scm_num2ulong SCM_P ((SCM num, char *pos, char *s_caller));
- extern void scm_init_numbers SCM_P ((void));
-
- #endif /* NUMBERSH */
-