annotate src/number.h @ 5017:d6368048cd8c

remove bogus usage of annotations from help.el -------------------- ChangeLog entries follow: -------------------- lisp/ChangeLog addition: 2010-02-08 Ben Wing <ben@xemacs.org> * help.el (describe-function-1): Don't use compiled-function-annotation to retrieve the file name for a function since it doesn't provide this info and load-history already does provide it.
author Ben Wing <ben@xemacs.org>
date Mon, 08 Feb 2010 21:35:50 -0600
parents db2db229ee82
children b5df3737028a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1983
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1 /* Definitions of numeric types for XEmacs.
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2 Copyright (C) 2004 Jerry James.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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2fc0e2f18322 Don't create any bignums before pdumping. Add bignum, ratio, and bigfloat
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18 the Free Software Foundation, Inc., 51 Franklin St - Fifth Floor,
2fc0e2f18322 Don't create any bignums before pdumping. Add bignum, ratio, and bigfloat
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19 Boston, MA 02111-1301, USA. */
1983
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 #ifndef INCLUDED_number_h_
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24 #define INCLUDED_number_h_
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25
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26 /* The following types are always defined in the same manner:
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27 fixnum = whatever fits in the Lisp_Object type
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28 integer = union (fixnum, bignum)
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29 rational = union (integer, ratio)
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30 float = C double
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31 floating = union(float, bigfloat) Anybody got a better name?
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32 real = union (rational, floating)
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33 number = real (should be union(real, complex) but no complex yet)
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34
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35 It is up to the library-specific code to define the remaining types,
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36 namely: bignum, ratio, and bigfloat. Not all of these types may be
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37 available. The top-level configure script should define the symbols
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38 HAVE_BIGNUM, HAVE_RATIO, and HAVE_BIGFLOAT to indicate which it provides.
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39 If some type is not defined by the library, this is what happens:
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40
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41 - bignum: bignump(x) is false for all x; any attempt to create a bignum
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42 causes an error to be raised.
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43
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44 - ratio: we define our own structure consisting of two Lisp_Objects, which
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45 are presumed to be integers (i.e., either fixnums or bignums). We do our
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46 own GCD calculation, which is bound to be slow, to keep the ratios
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47 reduced to canonical form. (FIXME: Not yet implemented.)
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48
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49 - bigfloat: bigfloat(x) is false for all x; any attempt to create a
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50 bigfloat causes an error to be raised.
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51
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52 We (provide) the following symbols, so that Lisp code has some hope of
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53 using this correctly:
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54
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55 - (provide 'bignum) if HAVE_BIGNUM
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56 - (provde 'ratio) if HAVE_RATIO
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57 - (provide 'bigfloat) if HAVE_BIGFLOAT
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58 */
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59
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60 /* Load the library definitions */
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61 #ifdef WITH_GMP
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62 #include "number-gmp.h"
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63 #endif
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64 #ifdef WITH_MP
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65 #include "number-mp.h"
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66 #endif
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67
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68
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69 /********************************* Bignums **********************************/
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70 #ifdef HAVE_BIGNUM
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71
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72 struct Lisp_Bignum
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73 {
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74 struct lrecord_header lheader;
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75 bignum data;
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76 };
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77 typedef struct Lisp_Bignum Lisp_Bignum;
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78
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79 DECLARE_LRECORD (bignum, Lisp_Bignum);
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80 #define XBIGNUM(x) XRECORD (x, bignum, Lisp_Bignum)
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81 #define wrap_bignum(p) wrap_record (p, bignum)
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82 #define BIGNUMP(x) RECORDP (x, bignum)
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83 #define CHECK_BIGNUM(x) CHECK_RECORD (x, bignum)
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84 #define CONCHECK_BIGNUM(x) CONCHECK_RECORD (x, bignum)
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85
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86 #define bignum_data(b) (b)->data
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87 #define XBIGNUM_DATA(x) bignum_data (XBIGNUM (x))
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88
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89 #define BIGNUM_ARITH_RETURN(b,op) do \
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90 { \
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91 Lisp_Object retval = make_bignum (0); \
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92 bignum_##op (XBIGNUM_DATA (retval), XBIGNUM_DATA (b)); \
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93 return Fcanonicalize_number (retval); \
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94 } while (0)
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95
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96 #define BIGNUM_ARITH_RETURN1(b,op,arg) do \
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97 { \
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98 Lisp_Object retval = make_bignum(0); \
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99 bignum_##op (XBIGNUM_DATA (retval), XBIGNUM_DATA (b), arg); \
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100 return Fcanonicalize_number (retval); \
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101 } while (0)
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102
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103 #if SIZEOF_EMACS_INT == SIZEOF_LONG
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104 # define bignum_fits_emacs_int_p(b) bignum_fits_long_p(b)
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105 # define bignum_to_emacs_int(b) bignum_to_long(b)
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106 #elif SIZEOF_EMACS_INT == SIZEOF_INT
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107 # define bignum_fits_emacs_int_p(b) bignum_fits_int_p(b)
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108 # define bignum_to_emacs_int(b) bignum_to_int(b)
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109 #else
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110 # error Bignums currently do not work with long long Emacs integers.
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111 #endif
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112
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113 extern Lisp_Object make_bignum (long);
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114 extern Lisp_Object make_bignum_bg (bignum);
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115 extern bignum scratch_bignum, scratch_bignum2;
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116
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117 #else /* !HAVE_BIGNUM */
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118
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119 #define BIGNUMP(x) 0
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120 #define CHECK_BIGNUM(x) dead_wrong_type_argument (Qbignump, x)
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121 #define CONCHECK_BIGNUM(x) dead_wrong_type_argument (Qbignump, x)
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122 typedef void bignum;
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123 #define make_bignum(l) This XEmacs does not support bignums
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124 #define make_bignum_bg(b) This XEmacs does not support bignums
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125
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126 #endif /* HAVE_BIGNUM */
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127
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128 extern Lisp_Object Qbignump;
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129 EXFUN (Fbignump, 1);
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130
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131
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132 /********************************* Integers *********************************/
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133 /* Qintegerp in lisp.h */
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134 #define INTEGERP(x) (INTP(x) || BIGNUMP(x))
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135 #define CHECK_INTEGER(x) do { \
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136 if (!INTEGERP (x)) \
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137 dead_wrong_type_argument (Qintegerp, x); \
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138 } while (0)
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139 #define CONCHECK_INTEGER(x) do { \
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140 if (!INTEGERP (x)) \
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141 x = wrong_type_argument (Qintegerp, x); \
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142 } while (0)
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143
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144 #ifdef HAVE_BIGNUM
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145 #define make_integer(x) \
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146 (NUMBER_FITS_IN_AN_EMACS_INT (x) ? make_int (x) : make_bignum (x))
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147 #else
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148 #define make_integer(x) make_int (x)
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149 #endif
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150
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151 extern Fixnum Vmost_negative_fixnum, Vmost_positive_fixnum;
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152 EXFUN (Fintegerp, 1);
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153 EXFUN (Fevenp, 1);
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154 EXFUN (Foddp, 1);
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155
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156
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157 /********************************** Ratios **********************************/
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158 #ifdef HAVE_RATIO
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159
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160 struct Lisp_Ratio
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161 {
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162 struct lrecord_header lheader;
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163 ratio data;
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164 };
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165 typedef struct Lisp_Ratio Lisp_Ratio;
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166
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167 DECLARE_LRECORD (ratio, Lisp_Ratio);
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168 #define XRATIO(x) XRECORD (x, ratio, Lisp_Ratio)
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169 #define wrap_ratio(p) wrap_record (p, ratio)
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170 #define RATIOP(x) RECORDP (x, ratio)
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171 #define CHECK_RATIO(x) CHECK_RECORD (x, ratio)
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172 #define CONCHECK_RATIO(x) CONCHECK_RECORD (x, ratio)
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173
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174 #define ratio_data(r) (r)->data
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175
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176 #define XRATIO_DATA(r) ratio_data (XRATIO (r))
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177 #define XRATIO_NUMERATOR(r) ratio_numerator (XRATIO_DATA (r))
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178 #define XRATIO_DENOMINATOR(r) ratio_denominator (XRATIO_DATA (r))
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179
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180 #define RATIO_ARITH_RETURN(r,op) do \
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181 { \
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182 Lisp_Object retval = make_ratio (0L, 1UL); \
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183 ratio_##op (XRATIO_DATA (retval), XRATIO_DATA (r)); \
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184 return Fcanonicalize_number (retval); \
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185 } while (0)
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186
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187 #define RATIO_ARITH_RETURN1(r,op,arg) do \
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188 { \
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189 Lisp_Object retval = make_ratio (0L, 1UL); \
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190 ratio_##op (XRATIO_DATA (retval), XRATIO_DATA (r), arg); \
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191 return Fcanonicalize_number (retval); \
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192 } while (0)
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193
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194 extern Lisp_Object make_ratio (long, unsigned long);
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195 extern Lisp_Object make_ratio_bg (bignum, bignum);
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196 extern Lisp_Object make_ratio_rt (ratio);
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197 extern ratio scratch_ratio, scratch_ratio2;
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198
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199 #else /* !HAVE_RATIO */
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200
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201 #define RATIOP(x) 0
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202 #define CHECK_RATIO(x) dead_wrong_type_argument (Qratiop, x)
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203 #define CONCHECK_RATIO(x) dead_wrong_type_argument (Qratiop, x)
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204 typedef void ratio;
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205 #define make_ratio(n,d) This XEmacs does not support ratios
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206 #define make_ratio_bg(n,d) This XEmacs does not support ratios
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207
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208 #endif /* HAVE_RATIO */
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209
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210 extern Lisp_Object Qratiop;
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211 EXFUN (Fratiop, 1);
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212
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213
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214 /******************************** Rationals *********************************/
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215 extern Lisp_Object Qrationalp;
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216
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217 #define RATIONALP(x) (INTEGERP(x) || RATIOP(x))
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218 #define CHECK_RATIONAL(x) do { \
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219 if (!RATIONALP (x)) \
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220 dead_wrong_type_argument (Qrationalp, x); \
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221 } while (0)
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222 #define CONCHECK_RATIONAL(x) do { \
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223 if (!RATIONALP (x)) \
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224 x = wrong_type_argument (Qrationalp, x); \
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225 } while (0)
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226
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227 EXFUN (Frationalp, 1);
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228 EXFUN (Fnumerator, 1);
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229 EXFUN (Fdenominator, 1);
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230
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231
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232 /******************************** Bigfloats *********************************/
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233 #ifdef HAVE_BIGFLOAT
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234 struct Lisp_Bigfloat
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235 {
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236 struct lrecord_header lheader;
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237 bigfloat bf;
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238 };
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239 typedef struct Lisp_Bigfloat Lisp_Bigfloat;
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240
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241 DECLARE_LRECORD (bigfloat, Lisp_Bigfloat);
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242 #define XBIGFLOAT(x) XRECORD (x, bigfloat, Lisp_Bigfloat)
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243 #define wrap_bigfloat(p) wrap_record (p, bigfloat)
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244 #define BIGFLOATP(x) RECORDP (x, bigfloat)
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245 #define CHECK_BIGFLOAT(x) CHECK_RECORD (x, bigfloat)
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246 #define CONCHECK_BIGFLOAT(x) CONCHECK_RECORD (x, bigfloat)
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247
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248 #define bigfloat_data(f) ((f)->bf)
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249 #define XBIGFLOAT_DATA(x) bigfloat_data (XBIGFLOAT (x))
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250 #define XBIGFLOAT_GET_PREC(x) bigfloat_get_prec (XBIGFLOAT_DATA (x))
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251 #define XBIGFLOAT_SET_PREC(x,p) bigfloat_set_prec (XBIGFLOAT_DATA (x), p)
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252
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253 #define BIGFLOAT_ARITH_RETURN(f,op) do \
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254 { \
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255 Lisp_Object retval = make_bigfloat (0.0, bigfloat_get_default_prec()); \
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256 bigfloat_##op (XBIGFLOAT_DATA (retval), XBIGFLOAT_DATA (f)); \
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257 return retval; \
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258 } while (0)
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259
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260 #define BIGFLOAT_ARITH_RETURN1(f,op,arg) do \
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261 { \
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262 Lisp_Object retval = make_bigfloat (0.0, bigfloat_get_default_prec()); \
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263 bigfloat_##op (XBIGFLOAT_DATA (retval), XBIGFLOAT_DATA (f), arg); \
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264 return retval; \
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265 } while (0)
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266
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267 extern Lisp_Object make_bigfloat (double, unsigned long);
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268 extern Lisp_Object make_bigfloat_bf (bigfloat);
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269 extern Lisp_Object Vdefault_float_precision;
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270 extern bigfloat scratch_bigfloat, scratch_bigfloat2;
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271
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272 #else /* !HAVE_BIGFLOAT */
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273
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274 #define BIGFLOATP(x) 0
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275 #define CHECK_BIGFLOAT(x) dead_wrong_type_argument (Qbigfloatp, x)
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276 #define CONCHECK_BIGFLOAT(x) dead_wrong_type_argument (Qbigfloatp, x)
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277 typedef void bigfloat;
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278 #define make_bigfloat(f) This XEmacs does not support bigfloats
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279 #define make_bigfloat_bf(f) This XEmacs does not support bigfloast
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280
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281 #endif /* HAVE_BIGFLOAT */
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282
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283 extern Lisp_Object Qbigfloatp;
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284 EXFUN (Fbigfloatp, 1);
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285
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286 /********************************* Floating *********************************/
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287 extern Lisp_Object Qfloatingp;
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288 extern Lisp_Object Qread_default_float_format, Vread_default_float_format;
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289
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290 #define FLOATINGP(x) (FLOATP (x) || BIGFLOATP (x))
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291 #define CHECK_FLOATING(x) do { \
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292 if (!FLOATINGP (x)) \
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293 dead_wrong_type_argument (Qfloatingp, x); \
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294 } while (0)
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295 #define CONCHECK_FLOATING(x) do { \
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296 if (!FLOATINGP (x)) \
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297 x = wrong_type_argument (Qfloating, x); \
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298 } while (0)
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299
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300 extern Lisp_Object make_floating (double);
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301 EXFUN (Ffloatp, 1);
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302
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303
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304 /********************************** Reals ***********************************/
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305 extern Lisp_Object Qrealp;
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306
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307 #define REALP(x) (RATIONALP (x) || FLOATINGP (x))
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308 #define CHECK_REAL(x) do { \
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309 if (!REALP (x)) \
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310 dead_wrong_type_argument (Qrealp, x); \
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311 } while (0)
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312 #define CONCHECK_REAL(x) do { \
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313 if (!REALP (x)) \
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314 x = wrong_type_argument (Qrealp, x); \
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315 } while (0)
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316
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317 EXFUN (Frealp, 1);
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318
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319
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320 /********************************* Numbers **********************************/
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321 /* Qnumberp in lisp.h */
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322 #define NUMBERP(x) REALP (x)
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323 #define CHECK_NUMBER(x) do { \
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324 if (!NUMBERP (x)) \
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325 dead_wrong_type_argument (Qnumberp, x); \
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326 } while (0)
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327 #define CONCHECK_NUMBER(x) do { \
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328 if (!NUMBERP (x)) \
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329 x = wrong_type_argument (Qnumberp, x); \
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330 } while (0)
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331
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332 EXFUN (Fcanonicalize_number, 1);
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333
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334 enum number_type {FIXNUM_T, BIGNUM_T, RATIO_T, FLOAT_T, BIGFLOAT_T};
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335
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336 extern enum number_type get_number_type (Lisp_Object);
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337 extern enum number_type promote_args (Lisp_Object *, Lisp_Object *);
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338
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339 #ifdef WITH_NUMBER_TYPES
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340 DECLARE_INLINE_HEADER (
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341 int
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342 non_fixnum_number_p (Lisp_Object object))
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343 {
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344 if (LRECORDP (object))
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345 {
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346 switch (XRECORD_LHEADER (object)->type)
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347 {
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348 case lrecord_type_float:
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349 #ifdef HAVE_BIGNUM
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350 case lrecord_type_bignum:
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351 #endif
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352 #ifdef HAVE_RATIO
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353 case lrecord_type_ratio:
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354 #endif
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355 #ifdef HAVE_BIGFLOAT
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356 case lrecord_type_bigfloat:
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357 #endif
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358 return 1;
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359 }
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360 }
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361 return 0;
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362 }
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363 #define NON_FIXNUM_NUMBER_P(X) non_fixnum_number_p (X)
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364
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365 #else
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366 #define NON_FIXNUM_NUMBER_P FLOATP
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367 #endif
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368
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369
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370 #endif /* INCLUDED_number_h_ */