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1
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1 // pr-output.cc -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef __GNUG__ |
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25 #pragma implementation |
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26 #endif |
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27 |
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28 #include <iostream.h> |
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29 #include <strstream.h> |
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30 #include <string.h> |
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31 #include <math.h> |
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32 #include <float.h> |
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33 #include <Complex.h> |
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34 |
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35 #include "Range.h" |
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36 #include "Matrix.h" |
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37 |
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38 #include "tree-const.h" |
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39 #include "variables.h" |
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40 #include "user-prefs.h" |
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41 #include "pr-output.h" |
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42 #include "mappers.h" |
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43 #include "pager.h" |
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44 #include "error.h" |
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45 #include "utils.h" |
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46 |
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47 // Current format string for real numbers and the real part of complex |
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48 // numbers. |
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49 static char *curr_real_fmt = (char *) NULL; |
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50 |
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51 // Current format string for the imaginary part of complex numbers. |
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52 static char *curr_imag_fmt = (char *) NULL; |
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53 |
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54 // Nonzero means don\'t do any fancy formatting. |
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55 static int free_format = 0; |
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56 |
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57 // Nonzero means print plus sign for nonzero, blank for zero. |
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58 static int plus_format = 0; |
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59 |
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60 // Nonzero means always print like dollars and cents. |
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61 static int bank_format = 0; |
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62 |
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63 // Nonzero means use an e format. |
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64 static int print_e = 0; |
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65 |
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66 // Nonzero means print E instead of e for exponent field. |
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67 static int print_big_e = 0; |
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68 |
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69 static int |
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70 any_element_is_negative (const Matrix& a) |
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71 { |
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72 int nr = a.rows (); |
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73 int nc = a.columns (); |
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74 for (int j = 0; j < nc; j++) |
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75 for (int i = 0; i < nr; i++) |
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76 if (a.elem (i, j) < 0.0) |
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77 return 1; |
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78 return 0; |
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79 } |
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80 |
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81 static int |
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82 any_element_is_inf_or_nan (const Matrix& a) |
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83 { |
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84 int nr = a.rows (); |
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85 int nc = a.columns (); |
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86 for (int j = 0; j < nc; j++) |
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87 for (int i = 0; i < nr; i++) |
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88 { |
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89 double val = a.elem (i, j); |
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90 if (xisinf (val) || xisnan (val)) |
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91 return 1; |
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92 } |
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93 return 0; |
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94 } |
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95 |
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96 static int |
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97 any_element_is_inf_or_nan (const ComplexMatrix& a) |
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98 { |
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99 int nr = a.rows (); |
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100 int nc = a.columns (); |
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101 for (int j = 0; j < nc; j++) |
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102 for (int i = 0; i < nr; i++) |
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103 { |
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104 Complex val = a.elem (i, j); |
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105 if (xisinf (val) || xisnan (val)) |
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106 return 1; |
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107 } |
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108 return 0; |
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109 } |
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110 |
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111 static int |
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112 all_elements_are_int_or_inf_or_nan (const Matrix& a) |
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113 { |
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114 int nr = a.rows (); |
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115 int nc = a.columns (); |
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116 for (int j = 0; j < nc; j++) |
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117 for (int i = 0; i < nr; i++) |
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118 { |
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119 double val = a.elem (i, j); |
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120 if (xisnan (val) || D_NINT (val) == val) |
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121 continue; |
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122 else |
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123 return 0; |
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124 } |
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125 return 1; |
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126 } |
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127 |
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128 static Matrix |
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129 abs (const Matrix& a) |
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130 { |
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131 int nr = a.rows (); |
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132 int nc = a.columns (); |
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133 Matrix retval (nr, nc); |
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134 for (int j = 0; j < nc; j++) |
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135 for (int i = 0; i < nr; i++) |
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136 retval.elem (i, j) = fabs (a.elem (i, j)); |
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137 return retval; |
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138 } |
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139 |
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140 static double |
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141 pr_max_internal (Matrix& m) |
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142 { |
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143 int nr = m.rows (); |
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144 int nc = m.columns (); |
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145 |
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146 double result = DBL_MIN; |
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147 |
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148 for (int j = 0; j < nc; j++) |
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149 for (int i = 0; i < nr; i++) |
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150 { |
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151 double val = m.elem (i, j); |
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152 if (xisinf (val) || xisnan (val)) |
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153 continue; |
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154 |
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155 if (val > result) |
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156 result = val; |
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157 } |
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158 return result; |
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159 } |
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160 |
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161 static double |
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162 pr_min_internal (Matrix& m) |
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163 { |
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164 int nr = m.rows (); |
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165 int nc = m.columns (); |
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166 |
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167 double result = DBL_MAX; |
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168 |
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169 for (int j = 0; j < nc; j++) |
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170 for (int i = 0; i < nr; i++) |
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171 { |
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172 double val = m.elem (i, j); |
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173 if (xisinf (val) || xisnan (val)) |
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174 continue; |
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175 |
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176 if (val < result) |
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177 result = val; |
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178 } |
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179 return result; |
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180 } |
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181 |
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182 static void |
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183 set_format (double d, int& fw) |
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184 { |
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185 curr_real_fmt = (char *) NULL; |
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186 curr_imag_fmt = (char *) NULL; |
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187 |
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188 if (free_format) |
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189 return; |
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190 |
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191 static char fmt_buf[32]; |
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192 |
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193 int sign = (d < 0.0); |
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194 |
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195 int inf_or_nan = (xisinf (d) || xisnan (d)); |
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196 |
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197 double d_abs = d < 0.0 ? -d : d; |
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198 |
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199 int digits = d_abs == 0.0 ? 0 : (int) floor (log10 (d_abs) + 1.0); |
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200 |
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201 int prec = user_pref.output_precision; |
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202 |
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203 int ld, rd; |
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204 |
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205 if (bank_format) |
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206 { |
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207 fw = digits < 0 ? 4 : digits + 3; |
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208 if (inf_or_nan && fw < 3) |
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209 fw = 3; |
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210 fw += sign; |
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211 rd = 2; |
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212 } |
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213 else if (xisnan (d) || D_NINT (d) == d) |
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214 { |
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215 fw = digits; |
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216 if (inf_or_nan && fw < 3) |
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217 fw = 3; |
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218 fw += sign; |
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219 rd = 0; |
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220 } |
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221 else |
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222 { |
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223 if (digits > 0) |
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224 { |
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225 ld = digits; |
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226 rd = prec - digits; |
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227 digits++; |
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228 } |
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229 else |
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230 { |
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231 ld = 1; |
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232 rd = prec - digits; |
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233 digits = -digits + 1; |
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234 } |
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235 |
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236 fw = ld + 1 + rd; |
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237 if (inf_or_nan && fw < 3) |
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238 fw = 3; |
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239 fw += sign; |
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240 } |
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241 |
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242 if (! bank_format && (fw > user_pref.output_max_field_width || print_e)) |
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243 { |
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244 int exp_field = 4; |
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245 if (digits > 100) |
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246 exp_field++; |
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247 |
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248 fw = 2 + prec + exp_field; |
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249 if (inf_or_nan && fw < 3) |
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250 fw = 3; |
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251 fw += sign; |
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252 |
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253 if (print_big_e) |
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254 sprintf (fmt_buf, "%%%d.%dE", fw, prec - 1); |
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255 else |
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256 sprintf (fmt_buf, "%%%d.%de", fw, prec - 1); |
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257 } |
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258 else |
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259 { |
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260 sprintf (fmt_buf, "%%%d.%df", fw, rd); |
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261 } |
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262 |
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263 curr_real_fmt = &fmt_buf[0]; |
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264 } |
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265 |
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266 static inline void |
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267 set_format (double d) |
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268 { |
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269 int fw; |
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270 set_format (d, fw); |
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271 } |
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272 |
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273 static void |
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274 set_format (Matrix& m, int& fw) |
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275 { |
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276 curr_real_fmt = (char *) NULL; |
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277 curr_imag_fmt = (char *) NULL; |
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278 |
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279 if (free_format) |
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280 return; |
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281 |
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282 static char fmt_buf[32]; |
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283 |
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284 int sign = any_element_is_negative (m); |
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285 |
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286 int inf_or_nan = any_element_is_inf_or_nan (m); |
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287 |
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288 Matrix m_abs = abs (m); |
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289 double max_abs = pr_max_internal (m_abs); |
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290 double min_abs = pr_min_internal (m_abs); |
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291 |
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292 int x_max = max_abs == 0.0 ? 0 : (int) floor (log10 (max_abs) + 1.0); |
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293 int x_min = min_abs == 0.0 ? 0 : (int) floor (log10 (min_abs) + 1.0); |
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294 |
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295 int prec = user_pref.output_precision; |
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296 |
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297 int ld, rd; |
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298 |
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299 if (bank_format) |
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300 { |
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301 int digits = x_max > x_min ? x_max : x_min; |
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302 fw = digits <= 0 ? 4 : digits + 3; |
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303 if (inf_or_nan && fw < 3) |
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304 fw = 3; |
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305 fw += sign; |
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306 rd = 2; |
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307 } |
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308 else if (all_elements_are_int_or_inf_or_nan (m)) |
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309 { |
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310 int digits = x_max > x_min ? x_max : x_min; |
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311 fw = digits <= 0 ? 1 : digits; |
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312 if (inf_or_nan && fw < 3) |
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313 fw = 3; |
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314 fw += sign; |
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315 rd = 0; |
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316 } |
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317 else |
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318 { |
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319 int ld_max, rd_max; |
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320 if (x_max > 0) |
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321 { |
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322 ld_max = x_max; |
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323 rd_max = prec - x_max; |
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324 x_max++; |
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325 } |
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326 else |
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327 { |
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328 ld_max = 1; |
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329 rd_max = prec - x_max; |
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330 x_max = -x_max + 1; |
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331 } |
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332 |
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333 int ld_min, rd_min; |
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334 if (x_min > 0) |
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335 { |
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336 ld_min = x_min; |
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337 rd_min = prec - x_min; |
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338 x_min++; |
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339 } |
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340 else |
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341 { |
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342 ld_min = 1; |
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343 rd_min = prec - x_min; |
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344 x_min = -x_min + 1; |
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345 } |
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346 |
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347 ld = ld_max > ld_min ? ld_max : ld_min; |
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348 rd = rd_max > rd_min ? rd_max : rd_min; |
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349 |
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350 fw = ld + 1 + rd; |
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351 if (inf_or_nan && fw < 3) |
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352 fw = 3; |
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353 fw += sign; |
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354 } |
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355 |
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356 if (! bank_format && (fw > user_pref.output_max_field_width || print_e)) |
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357 { |
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358 int exp_field = 4; |
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359 if (x_max > 100 || x_min > 100) |
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360 exp_field++; |
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361 |
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362 fw = 2 + prec + exp_field; |
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363 if (inf_or_nan && fw < 3) |
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364 fw = 3; |
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365 fw += sign; |
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366 |
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367 if (print_big_e) |
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368 sprintf (fmt_buf, "%%%d.%dE", fw, prec - 1); |
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369 else |
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370 sprintf (fmt_buf, "%%%d.%de", fw, prec - 1); |
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371 } |
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372 else |
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373 { |
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374 sprintf (fmt_buf, "%%%d.%df", fw, rd); |
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375 } |
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376 |
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377 curr_real_fmt = &fmt_buf[0]; |
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378 } |
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379 |
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380 static inline void |
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381 set_format (Matrix& m) |
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382 { |
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383 int fw; |
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384 set_format (m, fw); |
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385 } |
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386 |
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387 static void |
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388 set_format (Complex& c, int& r_fw, int& i_fw) |
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389 { |
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390 curr_real_fmt = (char *) NULL; |
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391 curr_imag_fmt = (char *) NULL; |
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392 |
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393 if (free_format) |
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394 return; |
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395 |
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396 static char r_fmt_buf[32]; |
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397 static char i_fmt_buf[32]; |
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398 |
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399 double rp = c.real (); |
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400 double ip = c.imag (); |
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401 |
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402 int sign = (rp < 0.0); |
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403 |
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404 int inf_or_nan = (xisinf (c) || xisnan (c)); |
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405 |
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406 double r_abs = rp < 0.0 ? -rp : rp; |
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407 double i_abs = ip < 0.0 ? -ip : ip; |
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408 |
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409 int r_x = r_abs == 0.0 ? 0 : (int) floor (log10 (r_abs) + 1.0); |
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410 int i_x = i_abs == 0.0 ? 0 : (int) floor (log10 (i_abs) + 1.0); |
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411 |
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412 int x_max, x_min; |
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413 |
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414 if (r_x > i_x) |
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415 { |
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416 x_max = r_x; |
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417 x_min = i_x; |
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418 } |
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419 else |
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420 { |
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421 x_max = i_x; |
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422 x_min = r_x; |
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423 } |
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424 |
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425 int prec = user_pref.output_precision; |
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426 |
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427 int ld, rd; |
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428 |
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429 if (bank_format) |
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430 { |
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431 int digits = r_x; |
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432 i_fw = 0; |
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433 r_fw = digits <= 0 ? 4 : digits + 3; |
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434 if (inf_or_nan && r_fw < 3) |
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435 r_fw = 3; |
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436 r_fw += sign; |
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437 rd = 2; |
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438 } |
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439 else if (inf_or_nan || (D_NINT (rp) == rp && D_NINT (ip) == ip)) |
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440 { |
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441 int digits = x_max > x_min ? x_max : x_min; |
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442 i_fw = r_fw = digits <= 0 ? 1 : digits; |
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443 if (inf_or_nan && i_fw < 3) |
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444 i_fw = r_fw = 3; |
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445 r_fw += sign; |
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446 rd = 0; |
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447 } |
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448 else |
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449 { |
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450 int ld_max, rd_max; |
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451 if (x_max > 0) |
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452 { |
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453 ld_max = x_max; |
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454 rd_max = prec - x_max; |
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455 x_max++; |
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456 } |
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457 else |
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458 { |
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459 ld_max = 1; |
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460 rd_max = prec - x_max; |
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461 x_max = -x_max + 1; |
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462 } |
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463 |
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464 int ld_min, rd_min; |
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465 if (x_min > 0) |
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466 { |
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467 ld_min = x_min; |
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468 rd_min = prec - x_min; |
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469 x_min++; |
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470 } |
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471 else |
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472 { |
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473 ld_min = 1; |
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474 rd_min = prec - x_min; |
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475 x_min = -x_min + 1; |
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476 } |
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477 |
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478 ld = ld_max > ld_min ? ld_max : ld_min; |
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479 rd = rd_max > rd_min ? rd_max : rd_min; |
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480 |
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481 i_fw = r_fw = ld + 1 + rd; |
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482 if (inf_or_nan && i_fw < 3) |
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483 i_fw = r_fw = 3; |
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484 r_fw += sign; |
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485 } |
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486 |
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487 if (! bank_format && (r_fw > user_pref.output_max_field_width || print_e)) |
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488 { |
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489 int exp_field = 4; |
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490 if (x_max > 100 || x_min > 100) |
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491 exp_field++; |
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492 |
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493 i_fw = r_fw = 1 + prec + exp_field; |
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494 if (inf_or_nan && i_fw < 3) |
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495 i_fw = r_fw = 3; |
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496 r_fw += sign; |
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497 |
|
|
498 if (print_big_e) |
|
|
499 { |
|
|
500 sprintf (r_fmt_buf, "%%%d.%dE", r_fw, prec - 1); |
|
|
501 sprintf (i_fmt_buf, "%%%d.%dE", i_fw, prec - 1); |
|
|
502 } |
|
|
503 else |
|
|
504 { |
|
|
505 sprintf (r_fmt_buf, "%%%d.%de", r_fw, prec - 1); |
|
|
506 sprintf (i_fmt_buf, "%%%d.%de", i_fw, prec - 1); |
|
|
507 } |
|
|
508 } |
|
|
509 else |
|
|
510 { |
|
|
511 sprintf (r_fmt_buf, "%%%d.%df", r_fw, rd); |
|
|
512 sprintf (i_fmt_buf, "%%%d.%df", i_fw, rd); |
|
|
513 } |
|
|
514 |
|
|
515 curr_real_fmt = &r_fmt_buf[0]; |
|
|
516 curr_imag_fmt = &i_fmt_buf[0]; |
|
|
517 } |
|
|
518 |
|
|
519 static inline void |
|
|
520 set_format (Complex& c) |
|
|
521 { |
|
|
522 int r_fw, i_fw; |
|
|
523 set_format (c, r_fw, i_fw); |
|
|
524 } |
|
|
525 |
|
|
526 static void |
|
|
527 set_format (ComplexMatrix& cm, int& r_fw, int& i_fw) |
|
|
528 { |
|
|
529 curr_real_fmt = (char *) NULL; |
|
|
530 curr_imag_fmt = (char *) NULL; |
|
|
531 |
|
|
532 if (free_format) |
|
|
533 return; |
|
|
534 |
|
|
535 static char r_fmt_buf[32]; |
|
|
536 static char i_fmt_buf[32]; |
|
|
537 |
|
|
538 Matrix rp = real (cm); |
|
|
539 Matrix ip = imag (cm); |
|
|
540 |
|
|
541 int sign = any_element_is_negative (rp); |
|
|
542 |
|
|
543 int inf_or_nan = any_element_is_inf_or_nan (cm); |
|
|
544 |
|
|
545 Matrix r_m_abs = abs (rp); |
|
|
546 double r_max_abs = pr_max_internal (r_m_abs); |
|
|
547 double r_min_abs = pr_min_internal (r_m_abs); |
|
|
548 |
|
|
549 Matrix i_m_abs = abs (ip); |
|
|
550 double i_max_abs = pr_max_internal (i_m_abs); |
|
|
551 double i_min_abs = pr_min_internal (i_m_abs); |
|
|
552 |
|
|
553 int r_x_max = r_max_abs == 0.0 ? 0 : (int) floor (log10 (r_max_abs) + 1.0); |
|
|
554 int r_x_min = r_min_abs == 0.0 ? 0 : (int) floor (log10 (r_min_abs) + 1.0); |
|
|
555 |
|
|
556 int i_x_max = i_max_abs == 0.0 ? 0 : (int) floor (log10 (i_max_abs) + 1.0); |
|
|
557 int i_x_min = i_min_abs == 0.0 ? 0 : (int) floor (log10 (i_min_abs) + 1.0); |
|
|
558 |
|
|
559 int x_max = r_x_max > i_x_max ? r_x_max : i_x_max; |
|
|
560 int x_min = r_x_min > i_x_min ? r_x_min : i_x_min; |
|
|
561 |
|
|
562 int prec = user_pref.output_precision; |
|
|
563 |
|
|
564 int ld, rd; |
|
|
565 |
|
|
566 if (bank_format) |
|
|
567 { |
|
|
568 int digits = r_x_max > r_x_min ? r_x_max : r_x_min; |
|
|
569 i_fw = 0; |
|
|
570 r_fw = digits <= 0 ? 4 : digits + 3; |
|
|
571 if (inf_or_nan && i_fw < 3) |
|
|
572 i_fw = r_fw = 3; |
|
|
573 r_fw += sign; |
|
|
574 rd = 2; |
|
|
575 } |
|
|
576 else if (all_elements_are_int_or_inf_or_nan (rp) |
|
|
577 && all_elements_are_int_or_inf_or_nan (ip)) |
|
|
578 { |
|
|
579 int digits = x_max > x_min ? x_max : x_min; |
|
|
580 i_fw = r_fw = digits <= 0 ? 1 : digits; |
|
|
581 if (inf_or_nan && i_fw < 3) |
|
|
582 i_fw = r_fw = 3; |
|
|
583 r_fw += sign; |
|
|
584 rd = 0; |
|
|
585 } |
|
|
586 else |
|
|
587 { |
|
|
588 int ld_max, rd_max; |
|
|
589 if (x_max > 0) |
|
|
590 { |
|
|
591 ld_max = x_max; |
|
|
592 rd_max = prec - x_max; |
|
|
593 x_max++; |
|
|
594 } |
|
|
595 else |
|
|
596 { |
|
|
597 ld_max = 1; |
|
|
598 rd_max = prec - x_max; |
|
|
599 x_max = -x_max + 1; |
|
|
600 } |
|
|
601 |
|
|
602 int ld_min, rd_min; |
|
|
603 if (x_min > 0) |
|
|
604 { |
|
|
605 ld_min = x_min; |
|
|
606 rd_min = prec - x_min; |
|
|
607 x_min++; |
|
|
608 } |
|
|
609 else |
|
|
610 { |
|
|
611 ld_min = 1; |
|
|
612 rd_min = prec - x_min; |
|
|
613 x_min = -x_min + 1; |
|
|
614 } |
|
|
615 |
|
|
616 ld = ld_max > ld_min ? ld_max : ld_min; |
|
|
617 rd = rd_max > rd_min ? rd_max : rd_min; |
|
|
618 |
|
|
619 i_fw = r_fw = ld + 1 + rd; |
|
|
620 if (inf_or_nan && i_fw < 3) |
|
|
621 i_fw = r_fw = 3; |
|
|
622 r_fw += sign; |
|
|
623 } |
|
|
624 |
|
|
625 if (! bank_format && (r_fw > user_pref.output_max_field_width || print_e)) |
|
|
626 { |
|
|
627 int exp_field = 4; |
|
|
628 if (x_max > 100 || x_min > 100) |
|
|
629 exp_field++; |
|
|
630 |
|
|
631 i_fw = r_fw = 1 + prec + exp_field; |
|
|
632 if (inf_or_nan && i_fw < 3) |
|
|
633 i_fw = r_fw = 3; |
|
|
634 r_fw += sign; |
|
|
635 |
|
|
636 if (print_big_e) |
|
|
637 { |
|
|
638 sprintf (r_fmt_buf, "%%%d.%dE", r_fw, prec - 1); |
|
|
639 sprintf (i_fmt_buf, "%%%d.%dE", i_fw, prec - 1); |
|
|
640 } |
|
|
641 else |
|
|
642 { |
|
|
643 sprintf (r_fmt_buf, "%%%d.%de", r_fw, prec - 1); |
|
|
644 sprintf (i_fmt_buf, "%%%d.%de", i_fw, prec - 1); |
|
|
645 } |
|
|
646 } |
|
|
647 else |
|
|
648 { |
|
|
649 sprintf (r_fmt_buf, "%%%d.%df", r_fw, rd); |
|
|
650 sprintf (i_fmt_buf, "%%%d.%df", i_fw, rd); |
|
|
651 } |
|
|
652 |
|
|
653 curr_real_fmt = &r_fmt_buf[0]; |
|
|
654 curr_imag_fmt = &i_fmt_buf[0]; |
|
|
655 } |
|
|
656 |
|
|
657 static int |
|
|
658 all_elements_are_ints (Range& r) |
|
|
659 { |
|
|
660 // If the base and increment are ints, the final value in the range |
|
|
661 // will also be an integer, even if the limit is not. |
|
|
662 |
|
|
663 double b = r.base (); |
|
|
664 double i = r.inc (); |
|
|
665 |
|
|
666 return ((double) NINT (b) == b && (double) NINT (i) == i); |
|
|
667 } |
|
|
668 |
|
|
669 static inline void |
|
|
670 set_format (ComplexMatrix& cm) |
|
|
671 { |
|
|
672 int r_fw, i_fw; |
|
|
673 set_format (cm, r_fw, i_fw); |
|
|
674 } |
|
|
675 |
|
|
676 static void |
|
|
677 set_format (Range& r, int& fw) |
|
|
678 { |
|
|
679 curr_real_fmt = (char *) NULL; |
|
|
680 curr_imag_fmt = (char *) NULL; |
|
|
681 |
|
|
682 if (free_format) |
|
|
683 return; |
|
|
684 |
|
|
685 static char fmt_buf[32]; |
|
|
686 |
|
|
687 double r_min = r.base (); |
|
|
688 double r_max = r.limit (); |
|
|
689 |
|
|
690 if (r_max < r_min) |
|
|
691 { |
|
|
692 double tmp = r_max; |
|
|
693 r_max = r_min; |
|
|
694 r_min = tmp; |
|
|
695 } |
|
|
696 |
|
|
697 int sign = (r_min < 0.0); |
|
|
698 |
|
|
699 double max_abs = r_max < 0.0 ? -r_max : r_max; |
|
|
700 double min_abs = r_min < 0.0 ? -r_min : r_min; |
|
|
701 |
|
|
702 int x_max = max_abs == 0.0 ? 0 : (int) floor (log10 (max_abs) + 1.0); |
|
|
703 int x_min = min_abs == 0.0 ? 0 : (int) floor (log10 (min_abs) + 1.0); |
|
|
704 |
|
|
705 int prec = user_pref.output_precision; |
|
|
706 |
|
|
707 int ld, rd; |
|
|
708 |
|
|
709 if (bank_format) |
|
|
710 { |
|
|
711 int digits = x_max > x_min ? x_max : x_min; |
|
|
712 fw = sign + digits < 0 ? 4 : digits + 3; |
|
|
713 rd = 2; |
|
|
714 } |
|
|
715 else if (all_elements_are_ints (r)) |
|
|
716 { |
|
|
717 int digits = x_max > x_min ? x_max : x_min; |
|
|
718 fw = sign + digits; |
|
|
719 rd = 0; |
|
|
720 } |
|
|
721 else |
|
|
722 { |
|
|
723 int ld_max, rd_max; |
|
|
724 if (x_max > 0) |
|
|
725 { |
|
|
726 ld_max = x_max; |
|
|
727 rd_max = prec - x_max; |
|
|
728 x_max++; |
|
|
729 } |
|
|
730 else |
|
|
731 { |
|
|
732 ld_max = 1; |
|
|
733 rd_max = prec - x_max; |
|
|
734 x_max = -x_max + 1; |
|
|
735 } |
|
|
736 |
|
|
737 int ld_min, rd_min; |
|
|
738 if (x_min > 0) |
|
|
739 { |
|
|
740 ld_min = x_min; |
|
|
741 rd_min = prec - x_min; |
|
|
742 x_min++; |
|
|
743 } |
|
|
744 else |
|
|
745 { |
|
|
746 ld_min = 1; |
|
|
747 rd_min = prec - x_min; |
|
|
748 x_min = -x_min + 1; |
|
|
749 } |
|
|
750 |
|
|
751 ld = ld_max > ld_min ? ld_max : ld_min; |
|
|
752 rd = rd_max > rd_min ? rd_max : rd_min; |
|
|
753 |
|
|
754 fw = sign + ld + 1 + rd; |
|
|
755 } |
|
|
756 |
|
|
757 if (! bank_format && (fw > user_pref.output_max_field_width || print_e)) |
|
|
758 { |
|
|
759 int exp_field = 4; |
|
|
760 if (x_max > 100 || x_min > 100) |
|
|
761 exp_field++; |
|
|
762 |
|
|
763 fw = sign + 2 + prec + exp_field; |
|
|
764 |
|
|
765 if (print_big_e) |
|
|
766 sprintf (fmt_buf, "%%%d.%dE", fw, prec - 1); |
|
|
767 else |
|
|
768 sprintf (fmt_buf, "%%%d.%de", fw, prec - 1); |
|
|
769 } |
|
|
770 else |
|
|
771 { |
|
|
772 sprintf (fmt_buf, "%%%d.%df", fw, rd); |
|
|
773 } |
|
|
774 |
|
|
775 curr_real_fmt = &fmt_buf[0]; |
|
|
776 } |
|
|
777 |
|
|
778 static inline void |
|
|
779 set_format (Range& r) |
|
|
780 { |
|
|
781 int fw; |
|
|
782 set_format (r, fw); |
|
|
783 } |
|
|
784 |
|
|
785 static inline void |
|
|
786 pr_any_float (char *fmt, ostrstream& os, double d, int fw = 0) |
|
|
787 { |
|
|
788 if (d == -0.0) |
|
|
789 d = 0.0; |
|
|
790 |
|
|
791 if (fmt == (char *) NULL) |
|
|
792 os << d; |
|
|
793 else |
|
|
794 { |
|
|
795 if (xisinf (d)) |
|
|
796 { |
|
|
797 char *s; |
|
|
798 if (d < 0.0) |
|
|
799 s = "-Inf"; |
|
|
800 else |
|
|
801 s = "Inf"; |
|
|
802 |
|
|
803 if (fw > 0) |
|
|
804 os.form ("%*s", fw, s); |
|
|
805 else |
|
|
806 os << s; |
|
|
807 } |
|
|
808 else if (xisnan (d)) |
|
|
809 { |
|
|
810 if (fw > 0) |
|
|
811 os.form ("%*s", fw, "NaN"); |
|
|
812 else |
|
|
813 os << "NaN"; |
|
|
814 } |
|
|
815 else |
|
|
816 os.form (fmt, d); |
|
|
817 } |
|
|
818 } |
|
|
819 |
|
|
820 static inline void |
|
|
821 pr_float (ostrstream& os, double d, int fw = 0) |
|
|
822 { |
|
|
823 pr_any_float (curr_real_fmt, os, d, fw); |
|
|
824 } |
|
|
825 |
|
|
826 static inline void |
|
|
827 pr_imag_float (ostrstream& os, double d, int fw = 0) |
|
|
828 { |
|
|
829 pr_any_float (curr_imag_fmt, os, d, fw); |
|
|
830 } |
|
|
831 |
|
|
832 static inline void |
|
|
833 pr_complex (ostrstream& os, Complex& c, int r_fw = 0, int i_fw = 0) |
|
|
834 { |
|
|
835 double r = c.real (); |
|
|
836 pr_float (os, r, r_fw); |
|
|
837 if (! bank_format) |
|
|
838 { |
|
|
839 double i = c.imag (); |
|
|
840 if (i < 0) |
|
|
841 { |
|
|
842 os << " - "; |
|
|
843 i = -i; |
|
|
844 pr_imag_float (os, i, i_fw); |
|
|
845 } |
|
|
846 else |
|
|
847 { |
|
|
848 os << " + "; |
|
|
849 pr_imag_float (os, i, i_fw); |
|
|
850 } |
|
|
851 os << "i"; |
|
|
852 } |
|
|
853 } |
|
|
854 |
|
|
855 void |
|
|
856 octave_print_internal (ostrstream& os, double d) |
|
|
857 { |
|
|
858 if (plus_format) |
|
|
859 { |
|
|
860 if (d == 0.0) |
|
|
861 os << " "; |
|
|
862 else |
|
|
863 os << "+"; |
|
|
864 } |
|
|
865 else |
|
|
866 { |
|
|
867 set_format (d); |
|
|
868 if (free_format) |
|
|
869 os << d; |
|
|
870 else |
|
|
871 pr_float (os, d); |
|
|
872 } |
|
|
873 os << "\n"; |
|
|
874 } |
|
|
875 |
|
|
876 void |
|
|
877 octave_print_internal (ostrstream& os, Matrix& m) |
|
|
878 { |
|
|
879 int nr = m.rows (); |
|
|
880 int nc = m.columns (); |
|
|
881 |
|
|
882 if (plus_format) |
|
|
883 { |
|
|
884 for (int i = 0; i < nr; i++) |
|
|
885 { |
|
|
886 for (int j = 0; j < nc; j++) |
|
|
887 { |
|
|
888 if (j == 0) |
|
|
889 os << " "; |
|
|
890 |
|
|
891 if (m.elem (i, j) == 0.0) |
|
|
892 os << " "; |
|
|
893 else |
|
|
894 os << "+"; |
|
|
895 } |
|
|
896 os << "\n"; |
|
|
897 } |
|
|
898 } |
|
|
899 else |
|
|
900 { |
|
|
901 int fw; |
|
|
902 set_format (m, fw); |
|
|
903 int column_width = fw + 2; |
|
|
904 int total_width = nc * column_width; |
|
|
905 int max_width = terminal_columns (); |
|
|
906 |
|
|
907 if (free_format) |
|
|
908 { |
|
|
909 os << m; |
|
|
910 return; |
|
|
911 } |
|
|
912 |
|
|
913 int inc = nc; |
|
|
914 if (total_width > max_width && user_pref.split_long_rows) |
|
|
915 { |
|
|
916 inc = max_width / column_width; |
|
|
917 if (inc == 0) |
|
|
918 inc++; |
|
|
919 } |
|
|
920 |
|
|
921 int col = 0; |
|
|
922 while (col < nc) |
|
|
923 { |
|
|
924 int lim = col + inc < nc ? col + inc : nc; |
|
|
925 |
|
|
926 if (total_width > max_width && user_pref.split_long_rows) |
|
|
927 { |
|
|
928 if (col != 0) |
|
|
929 os << "\n"; |
|
|
930 |
|
|
931 int num_cols = lim - col; |
|
|
932 if (num_cols == 1) |
|
|
933 os << " Column " << col + 1 << ":\n\n"; |
|
|
934 else if (num_cols == 2) |
|
|
935 os << " Columns " << col + 1 << " and " << lim << ":\n\n"; |
|
|
936 else |
|
|
937 os << " Columns " << col + 1 << " through " << lim << ":\n\n"; |
|
|
938 } |
|
|
939 |
|
|
940 for (int i = 0; i < nr; i++) |
|
|
941 { |
|
|
942 for (int j = col; j < lim; j++) |
|
|
943 { |
|
|
944 os << " "; |
|
|
945 pr_float(os, m.elem (i, j), fw); |
|
|
946 } |
|
|
947 os << "\n"; |
|
|
948 } |
|
|
949 col += inc; |
|
|
950 } |
|
|
951 } |
|
|
952 } |
|
|
953 |
|
|
954 void |
|
|
955 octave_print_internal (ostrstream& os, Complex& c) |
|
|
956 { |
|
|
957 if (plus_format) |
|
|
958 { |
|
|
959 if (c == 0.0) |
|
|
960 os << " "; |
|
|
961 else |
|
|
962 os << "+"; |
|
|
963 } |
|
|
964 else |
|
|
965 { |
|
|
966 set_format (c); |
|
|
967 if (free_format) |
|
|
968 os << c; |
|
|
969 else |
|
|
970 pr_complex (os, c); |
|
|
971 } |
|
|
972 os << "\n"; |
|
|
973 } |
|
|
974 |
|
|
975 void |
|
|
976 octave_print_internal (ostrstream& os, ComplexMatrix& cm) |
|
|
977 { |
|
|
978 int nr = cm.rows (); |
|
|
979 int nc = cm.columns (); |
|
|
980 |
|
|
981 if (plus_format) |
|
|
982 { |
|
|
983 for (int i = 0; i < nr; i++) |
|
|
984 { |
|
|
985 for (int j = 0; j < nc; j++) |
|
|
986 { |
|
|
987 if (j == 0) |
|
|
988 os << " "; |
|
|
989 |
|
|
990 if (cm.elem (i, j) == 0.0) |
|
|
991 os << " "; |
|
|
992 else |
|
|
993 os << "+"; |
|
|
994 } |
|
|
995 os << "\n"; |
|
|
996 } |
|
|
997 } |
|
|
998 else |
|
|
999 { |
|
|
1000 int r_fw, i_fw; |
|
|
1001 set_format (cm, r_fw, i_fw); |
|
|
1002 int column_width = i_fw + r_fw; |
|
|
1003 column_width += bank_format ? 2 : 7; |
|
|
1004 int total_width = nc * column_width; |
|
|
1005 int max_width = terminal_columns (); |
|
|
1006 |
|
|
1007 if (free_format) |
|
|
1008 { |
|
|
1009 os << cm; |
|
|
1010 return; |
|
|
1011 } |
|
|
1012 |
|
|
1013 int inc = nc; |
|
|
1014 if (total_width > max_width && user_pref.split_long_rows) |
|
|
1015 { |
|
|
1016 inc = max_width / column_width; |
|
|
1017 if (inc == 0) |
|
|
1018 inc++; |
|
|
1019 } |
|
|
1020 |
|
|
1021 int col = 0; |
|
|
1022 while (col < nc) |
|
|
1023 { |
|
|
1024 int lim = col + inc < nc ? col + inc : nc; |
|
|
1025 |
|
|
1026 if (total_width > max_width && user_pref.split_long_rows) |
|
|
1027 { |
|
|
1028 if (col != 0) |
|
|
1029 os << "\n"; |
|
|
1030 |
|
|
1031 int num_cols = lim - col; |
|
|
1032 if (num_cols == 1) |
|
|
1033 os << " Column " << col + 1 << ":\n\n"; |
|
|
1034 else if (num_cols == 2) |
|
|
1035 os << " Columns " << col + 1 << " and " << lim << ":\n\n"; |
|
|
1036 else |
|
|
1037 os << " Columns " << col + 1 << " through " << lim << ":\n\n"; |
|
|
1038 } |
|
|
1039 |
|
|
1040 for (int i = 0; i < nr; i++) |
|
|
1041 { |
|
|
1042 for (int j = col; j < lim; j++) |
|
|
1043 { |
|
|
1044 if (bank_format) |
|
|
1045 os << " "; |
|
|
1046 else |
|
|
1047 os << " "; |
|
|
1048 pr_complex (os, cm.elem (i, j), r_fw, i_fw); |
|
|
1049 } |
|
|
1050 os << "\n"; |
|
|
1051 } |
|
|
1052 col += inc; |
|
|
1053 } |
|
|
1054 } |
|
|
1055 } |
|
|
1056 |
|
|
1057 void |
|
|
1058 octave_print_internal (ostrstream& os, Range& r) |
|
|
1059 { |
|
|
1060 double b = r.base (); |
|
|
1061 double increment = r.inc (); |
|
|
1062 int num_elem = r.nelem (); |
|
|
1063 |
|
|
1064 if (plus_format) |
|
|
1065 { |
|
|
1066 os << " "; |
|
|
1067 for (int i = 0; i < num_elem; i++) |
|
|
1068 { |
|
|
1069 double val = b + i * increment; |
|
|
1070 if (val == 0.0) |
|
|
1071 os << " "; |
|
|
1072 else |
|
|
1073 os << "+"; |
|
|
1074 } |
|
|
1075 } |
|
|
1076 else |
|
|
1077 { |
|
|
1078 int fw; |
|
|
1079 set_format (r, fw); |
|
|
1080 int column_width = fw + 2; |
|
|
1081 int total_width = num_elem * column_width; |
|
|
1082 int max_width = terminal_columns (); |
|
|
1083 |
|
|
1084 if (free_format) |
|
|
1085 { |
|
|
1086 os << r; |
|
|
1087 return; |
|
|
1088 } |
|
|
1089 |
|
|
1090 int inc = num_elem; |
|
|
1091 if (total_width > max_width && user_pref.split_long_rows) |
|
|
1092 { |
|
|
1093 inc = max_width / column_width; |
|
|
1094 if (inc == 0) |
|
|
1095 inc++; |
|
|
1096 } |
|
|
1097 |
|
|
1098 int col = 0; |
|
|
1099 while (col < num_elem) |
|
|
1100 { |
|
|
1101 int lim = col + inc < num_elem ? col + inc : num_elem; |
|
|
1102 |
|
|
1103 if (total_width > max_width && user_pref.split_long_rows) |
|
|
1104 { |
|
|
1105 if (col != 0) |
|
|
1106 os << "\n"; |
|
|
1107 |
|
|
1108 int num_cols = lim - col; |
|
|
1109 if (num_cols == 1) |
|
|
1110 os << " Column " << col + 1 << ":\n\n"; |
|
|
1111 else if (num_cols == 2) |
|
|
1112 os << " Columns " << col + 1 << " and " << lim << ":\n\n"; |
|
|
1113 else |
|
|
1114 os << " Columns " << col + 1 << " through " << lim << ":\n\n"; |
|
|
1115 } |
|
|
1116 |
|
|
1117 for (int i = col; i < lim; i++) |
|
|
1118 { |
|
|
1119 double val = b + i * increment; |
|
|
1120 os << " "; |
|
|
1121 pr_float (os, val, fw); |
|
|
1122 } |
|
|
1123 |
|
|
1124 os << "\n"; |
|
|
1125 |
|
|
1126 col += inc; |
|
|
1127 } |
|
|
1128 } |
|
|
1129 } |
|
|
1130 |
|
|
1131 static void |
|
|
1132 init_format_state (void) |
|
|
1133 { |
|
|
1134 free_format = 0; |
|
|
1135 plus_format = 0; |
|
|
1136 bank_format = 0; |
|
|
1137 print_e = 0; |
|
|
1138 print_big_e = 0; |
|
|
1139 } |
|
|
1140 |
|
|
1141 static void |
|
|
1142 set_output_prec_and_fw (int prec, int fw) |
|
|
1143 { |
|
|
1144 tree_constant *tmp = NULL_TREE_CONST; |
|
|
1145 |
|
|
1146 tmp = new tree_constant ((double) prec); |
|
|
1147 bind_variable ("output_precision", tmp); |
|
|
1148 |
|
|
1149 tmp = new tree_constant ((double) fw); |
|
|
1150 bind_variable ("output_max_field_width", tmp); |
|
|
1151 } |
|
|
1152 |
|
|
1153 void |
|
|
1154 set_format_style (int argc, char **argv) |
|
|
1155 { |
|
|
1156 if (--argc > 0) |
|
|
1157 { |
|
|
1158 argv++; |
|
|
1159 if (*argv[0]) |
|
|
1160 { |
|
|
1161 if (strcmp (*argv, "short") == 0) |
|
|
1162 { |
|
|
1163 if (--argc > 0) |
|
|
1164 { |
|
|
1165 argv++; |
|
|
1166 if (strcmp (*argv, "e") == 0) |
|
|
1167 { |
|
|
1168 init_format_state (); |
|
|
1169 print_e = 1; |
|
|
1170 } |
|
|
1171 else if (strcmp (*argv, "E") == 0) |
|
|
1172 { |
|
|
1173 init_format_state (); |
|
|
1174 print_e = 1; |
|
|
1175 print_big_e = 1; |
|
|
1176 } |
|
|
1177 else |
|
|
1178 { |
|
|
1179 message ("format", |
|
|
1180 "unrecognized option `short %s'", *argv); |
|
|
1181 return; |
|
|
1182 } |
|
|
1183 } |
|
|
1184 else |
|
|
1185 init_format_state (); |
|
|
1186 |
|
|
1187 set_output_prec_and_fw (3, 8); |
|
|
1188 } |
|
|
1189 else if (strcmp (*argv, "long") == 0) |
|
|
1190 { |
|
|
1191 if (--argc > 0) |
|
|
1192 { |
|
|
1193 argv++; |
|
|
1194 if (strcmp (*argv, "e") == 0) |
|
|
1195 { |
|
|
1196 init_format_state (); |
|
|
1197 print_e = 1; |
|
|
1198 } |
|
|
1199 else if (strcmp (*argv, "E") == 0) |
|
|
1200 { |
|
|
1201 init_format_state (); |
|
|
1202 print_e = 1; |
|
|
1203 print_big_e = 1; |
|
|
1204 } |
|
|
1205 else |
|
|
1206 { |
|
|
1207 message ("format", |
|
|
1208 "unrecognized option `long %s'", *argv); |
|
|
1209 return; |
|
|
1210 } |
|
|
1211 } |
|
|
1212 else |
|
|
1213 init_format_state (); |
|
|
1214 |
|
|
1215 set_output_prec_and_fw (15, 24); |
|
|
1216 } |
|
|
1217 else if (strcmp (*argv, "hex") == 0) |
|
|
1218 message ("format", "format state `hex' not implemented"); |
|
|
1219 else if (strcmp (*argv, "+") == 0) |
|
|
1220 { |
|
|
1221 init_format_state (); |
|
|
1222 plus_format = 1; |
|
|
1223 } |
|
|
1224 else if (strcmp (*argv, "bank") == 0) |
|
|
1225 { |
|
|
1226 init_format_state (); |
|
|
1227 bank_format = 1; |
|
|
1228 } |
|
|
1229 else if (strcmp (*argv, "free") == 0) |
|
|
1230 { |
|
|
1231 init_format_state (); |
|
|
1232 free_format = 1; |
|
|
1233 } |
|
|
1234 else if (strcmp (*argv, "none") == 0) |
|
|
1235 { |
|
|
1236 init_format_state (); |
|
|
1237 free_format = 1; |
|
|
1238 } |
|
|
1239 else if (strcmp (*argv, "compact") == 0) |
|
|
1240 message ("format", "format state `compact' not implemented"); |
|
|
1241 else if (strcmp (*argv, "loose") == 0) |
|
|
1242 message ("format", "format state `loose' not implemented"); |
|
|
1243 else |
|
|
1244 message ("format", "unrecognized format state `%s'", *argv); |
|
|
1245 } |
|
|
1246 else |
|
|
1247 usage ("format [format_state]"); |
|
|
1248 } |
|
|
1249 else |
|
|
1250 { |
|
|
1251 init_format_state (); |
|
|
1252 set_output_prec_and_fw (5, 10); |
|
|
1253 } |
|
|
1254 } |
|
|
1255 |
|
|
1256 /* |
|
|
1257 ;;; Local Variables: *** |
|
|
1258 ;;; mode: C++ *** |
|
|
1259 ;;; page-delimiter: "^/\\*" *** |
|
|
1260 ;;; End: *** |
|
|
1261 */ |
