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diff --git a/libguile/numbers.h b/libguile/numbers.h
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+/* classes: h_files */
+
+#ifndef NUMBERSH
+#define NUMBERSH
+/* Copyright (C) 1995,1996 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.
+ *
+ * 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_POSSCM_FIXABLE(n) ((n) <= SCM_MOST_POSITIVE_FIXNUM)
+#define SCM_NEGSCM_FIXABLE(n) ((n) >= SCM_MOST_NEGATIVE_FIXNUM)
+#define SCM_UNEGSCM_FIXABLE(n) ((n) <= -SCM_MOST_NEGATIVE_FIXNUM)
+#define SCM_FIXABLE(n) (SCM_POSSCM_FIXABLE(n) && SCM_NEGSCM_FIXABLE(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_LONGLONGSCM_BIGUP(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 NO_SCM_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)))
+#else
+#ifdef SCM_BIGDIG
+#define SCM_NUMBERP(x) (SCM_INUMP(x) || (SCM_NIMP(x) && SCM_NUMP(x)))
+#else
+#define SCM_NUMBERP SCM_INUMP
+#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_CAR(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
+
+
+
+
+#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(scm_sizet nlen, int sign);
+extern SCM scm_big2inum(SCM b, scm_sizet l);
+extern SCM scm_adjbig(SCM b, scm_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_long_long2big(long_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 long scm_pseudolong(long x);
+extern void scm_longdigs(long x, SCM_BIGDIG digs[]);
+extern SCM scm_addbig(SCM_BIGDIG *x, scm_sizet nx, int xsgn, SCM bigy, int sgny);
+extern SCM scm_mulbig(SCM_BIGDIG *x, scm_sizet nx, SCM_BIGDIG *y, scm_sizet ny, int sgn);
+extern unsigned int scm_divbigdig(SCM_BIGDIG *ds, scm_sizet h, SCM_BIGDIG div);
+extern SCM scm_divbigint(SCM x, long z, int sgn, int mode);
+extern SCM scm_divbigbig(SCM_BIGDIG *x, scm_sizet nx, SCM_BIGDIG *y, scm_sizet ny, int sgn, int modes);
+extern scm_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_real_part(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_long_long2num(long_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 long_long scm_num2long_long(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_long_long2big();
+extern SCM scm_2ulong2big();
+extern SCM scm_ulong2big();
+extern int scm_bigcomp();
+extern long scm_pseudolong();
+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 scm_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_real_part();
+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_long_long2num();
+extern SCM scm_ulong2num();
+extern long scm_num2long();
+extern long num2long();
+extern long_long scm_num2long_long();
+extern unsigned long scm_num2ulong();
+extern void scm_init_numbers ();
+
+#endif /* STDC */
+
+
+
+#endif /* NUMBERSH */