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1 /* |
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2 |
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2847
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3 Copyright (C) 1996, 1997 John W. Eaton |
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1960
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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2317
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27 #include <cctype> |
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28 |
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1960
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29 #include <iostream.h> |
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30 |
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31 #include "byte-swap.h" |
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32 #include "data-conv.h" |
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33 #include "lo-error.h" |
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34 |
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2317
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35 oct_data_conv::data_type |
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36 oct_data_conv::string_to_data_type (const string& str) |
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37 { |
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38 data_type retval = dt_unknown; |
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39 |
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40 // XXX FIXME XXX -- finish implementing this. |
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41 |
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42 // XXX FIXME XXX -- before checking s, need to strip spaces and downcase. |
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43 |
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44 int n = str.length (); |
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45 |
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46 int k = 0; |
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47 |
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48 string s (n, ' '); |
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49 |
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50 for (int i = 0; i < n; i++) |
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51 if (! isspace (str[i])) |
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52 s[k++] = tolower (str[i]); |
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53 |
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54 s.resize (k); |
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55 |
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56 if (s == "char" || s == "char*1" || s == "integer*1" || s == "int8") |
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57 retval = dt_char; |
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58 else if (s == "schar" || s == "signedchar") |
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59 retval = dt_schar; |
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60 else if (s == "uchar" || s == "unsignedchar") |
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61 retval = dt_uchar; |
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62 else if (s == "short") |
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63 retval = dt_short; |
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64 else if (s == "ushort" || s == "unsignedshort") |
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65 retval = dt_ushort; |
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66 else if (s == "int") |
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67 retval = dt_int; |
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68 else if (s == "uint" || s == "unsignedint") |
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69 retval = dt_uint; |
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70 else if (s == "long") |
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71 retval = dt_long; |
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72 else if (s == "ulong" || s == "unsignedlong") |
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73 retval = dt_ulong; |
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74 else if (s == "float" || s == "float32" || s == "real*4") |
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75 retval = dt_float; |
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76 else if (s == "double" || s == "float64" || s == "real*8") |
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77 retval = dt_double; |
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78 else if (s == "int16" || s == "integer*2") |
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79 { |
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80 if (sizeof (short) == 2) |
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81 retval = dt_short; |
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82 else if (sizeof (int) == 2) |
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83 retval = dt_int; |
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84 else |
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85 (*current_liboctave_error_handler) |
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86 ("unable to find matching native data type for %s", s.c_str ()); |
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87 } |
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88 else if (s == "int32" || s == "integer*4") |
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89 { |
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90 if (sizeof (int) == 4) |
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91 retval = dt_int; |
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92 else if (sizeof (long) == 4) |
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93 retval = dt_long; |
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94 else |
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95 (*current_liboctave_error_handler) |
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96 ("unable to find matching native data type for %s", s.c_str ()); |
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97 } |
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98 else |
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99 (*current_liboctave_error_handler) ("invalid data type specified"); |
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100 |
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101 return retval; |
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102 } |
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103 |
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104 #define swap_1_bytes(x, y) |
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105 |
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106 #define LS_DO_READ(TYPE,swap,data,size,len,stream) \ |
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107 do \ |
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108 { \ |
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109 volatile TYPE *ptr = (TYPE *) data; \ |
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110 stream.read ((TYPE *) ptr, size * len); \ |
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111 if (swap) \ |
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112 swap_ ## size ## _bytes (static_cast<char *> (ptr), len); \ |
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113 TYPE tmp = ptr[0]; \ |
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114 for (int i = len - 1; i > 0; i--) \ |
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115 data[i] = ptr[i]; \ |
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116 data[0] = tmp; \ |
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117 } \ |
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118 while (0) |
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119 |
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120 // Have to use copy here to avoid writing over data accessed via |
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121 // Matrix::data(). |
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122 |
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123 #define LS_DO_WRITE(TYPE,data,size,len,stream) \ |
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124 do \ |
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125 { \ |
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126 char tmp_type = static_cast<char> (type); \ |
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127 stream.write (&tmp_type, 1); \ |
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128 TYPE *ptr = new TYPE [len]; \ |
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129 for (int i = 0; i < len; i++) \ |
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130 ptr[i] = (TYPE) data[i]; \ |
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131 stream.write ((TYPE *) ptr, size * len); \ |
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132 delete [] ptr ; \ |
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133 } \ |
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134 while (0) |
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135 |
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136 // Loading variables from files. |
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137 |
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138 static void |
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139 gripe_unrecognized_float_fmt (void) |
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140 { |
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141 (*current_liboctave_error_handler) |
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142 ("unrecognized floating point format requested"); |
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143 } |
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144 |
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145 static void |
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146 gripe_data_conversion (const char *from, const char *to) |
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147 { |
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148 (*current_liboctave_error_handler) |
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149 ("unable to convert from %s to %s format", from, to); |
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150 } |
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151 |
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152 // But first, some data conversion routines. |
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153 |
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154 // Currently, we only handle conversions for the IEEE types. To fix |
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155 // that, make more of the following routines work. |
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156 |
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157 // XXX FIXME XXX -- assumes sizeof (Complex) == 8 |
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158 // XXX FIXME XXX -- assumes sizeof (double) == 8 |
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159 // XXX FIXME XXX -- assumes sizeof (float) == 4 |
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160 |
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161 static void |
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162 IEEE_big_double_to_IEEE_little_double (double *d, int len) |
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163 { |
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2800
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164 swap_8_bytes (static_cast<char *> (d), len); |
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165 } |
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166 |
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167 static void |
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168 VAX_D_double_to_IEEE_little_double (double * /* d */, int /* len */) |
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169 { |
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170 gripe_data_conversion ("VAX D float", "IEEE little endian format"); |
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171 } |
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172 |
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173 static void |
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174 VAX_G_double_to_IEEE_little_double (double * /* d */, int /* len */) |
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175 { |
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176 gripe_data_conversion ("VAX G float", "IEEE little endian format"); |
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177 } |
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178 |
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179 static void |
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180 Cray_to_IEEE_little_double (double * /* d */, int /* len */) |
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181 { |
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182 gripe_data_conversion ("Cray", "IEEE little endian format"); |
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183 } |
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184 |
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185 static void |
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186 IEEE_big_float_to_IEEE_little_float (float *d, int len) |
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187 { |
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188 swap_4_bytes (static_cast<char *> (d), len); |
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189 } |
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190 |
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191 static void |
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192 VAX_D_float_to_IEEE_little_float (float * /* d */, int /* len */) |
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193 { |
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194 gripe_data_conversion ("VAX D float", "IEEE little endian format"); |
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195 } |
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196 |
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197 static void |
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198 VAX_G_float_to_IEEE_little_float (float * /* d */, int /* len */) |
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199 { |
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200 gripe_data_conversion ("VAX G float", "IEEE little endian format"); |
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201 } |
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202 |
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203 static void |
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204 Cray_to_IEEE_little_float (float * /* d */, int /* len */) |
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205 { |
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206 gripe_data_conversion ("Cray", "IEEE little endian format"); |
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207 } |
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208 |
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209 static void |
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210 IEEE_little_double_to_IEEE_big_double (double *d, int len) |
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211 { |
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212 swap_8_bytes (static_cast<char *> (d), len); |
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213 } |
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214 |
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215 static void |
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216 VAX_D_double_to_IEEE_big_double (double * /* d */, int /* len */) |
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217 { |
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218 gripe_data_conversion ("VAX D float", "IEEE big endian format"); |
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219 } |
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220 |
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221 static void |
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222 VAX_G_double_to_IEEE_big_double (double * /* d */, int /* len */) |
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223 { |
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224 gripe_data_conversion ("VAX G float", "IEEE big endian format"); |
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225 } |
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226 |
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227 static void |
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228 Cray_to_IEEE_big_double (double * /* d */, int /* len */) |
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229 { |
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230 gripe_data_conversion ("Cray", "IEEE big endian format"); |
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231 } |
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232 |
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233 static void |
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234 IEEE_little_float_to_IEEE_big_float (float *d, int len) |
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235 { |
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2800
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236 swap_4_bytes (static_cast<char *> (d), len); |
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237 } |
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238 |
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239 static void |
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240 VAX_D_float_to_IEEE_big_float (float * /* d */, int /* len */) |
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241 { |
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242 gripe_data_conversion ("VAX D float", "IEEE big endian format"); |
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243 } |
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244 |
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245 static void |
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246 VAX_G_float_to_IEEE_big_float (float * /* d */, int /* len */) |
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247 { |
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248 gripe_data_conversion ("VAX G float", "IEEE big endian format"); |
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249 } |
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250 |
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251 static void |
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252 Cray_to_IEEE_big_float (float * /* d */, int /* len */) |
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253 { |
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254 gripe_data_conversion ("Cray", "IEEE big endian format"); |
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255 } |
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256 |
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257 static void |
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258 IEEE_little_double_to_VAX_D_double (double * /* d */, int /* len */) |
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259 { |
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260 gripe_data_conversion ("IEEE little endian", "VAX D"); |
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261 } |
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262 |
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263 static void |
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264 IEEE_big_double_to_VAX_D_double (double * /* d */, int /* len */) |
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265 { |
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266 gripe_data_conversion ("IEEE big endian", "VAX D"); |
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267 } |
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268 |
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269 static void |
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270 VAX_G_double_to_VAX_D_double (double * /* d */, int /* len */) |
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271 { |
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272 gripe_data_conversion ("VAX G float", "VAX D"); |
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273 } |
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274 |
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275 static void |
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276 Cray_to_VAX_D_double (double * /* d */, int /* len */) |
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277 { |
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278 gripe_data_conversion ("Cray", "VAX D"); |
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279 } |
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280 |
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281 static void |
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282 IEEE_little_float_to_VAX_D_float (float * /* d */, int /* len */) |
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283 { |
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284 gripe_data_conversion ("IEEE little endian", "VAX D"); |
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285 } |
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286 |
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287 static void |
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288 IEEE_big_float_to_VAX_D_float (float * /* d */, int /* len */) |
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289 { |
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290 gripe_data_conversion ("IEEE big endian", "VAX D"); |
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291 } |
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292 |
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293 static void |
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294 VAX_G_float_to_VAX_D_float (float * /* d */, int /* len */) |
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295 { |
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296 gripe_data_conversion ("VAX G float", "VAX D"); |
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297 } |
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298 |
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299 static void |
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300 Cray_to_VAX_D_float (float * /* d */, int /* len */) |
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301 { |
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302 gripe_data_conversion ("Cray", "VAX D"); |
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303 } |
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304 |
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305 static void |
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306 IEEE_little_double_to_VAX_G_double (double * /* d */, int /* len */) |
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307 { |
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308 gripe_data_conversion ("IEEE little endian", "VAX G"); |
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309 } |
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310 |
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311 static void |
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312 IEEE_big_double_to_VAX_G_double (double * /* d */, int /* len */) |
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313 { |
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314 gripe_data_conversion ("IEEE big endian", "VAX G"); |
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315 } |
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316 |
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317 static void |
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318 VAX_D_double_to_VAX_G_double (double * /* d */, int /* len */) |
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319 { |
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320 gripe_data_conversion ("VAX D float", "VAX G"); |
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321 } |
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322 |
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323 static void |
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324 Cray_to_VAX_G_double (double * /* d */, int /* len */) |
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325 { |
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326 gripe_data_conversion ("VAX G float", "VAX G"); |
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327 } |
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328 |
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329 static void |
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330 IEEE_little_float_to_VAX_G_float (float * /* d */, int /* len */) |
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331 { |
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332 gripe_data_conversion ("IEEE little endian", "VAX G"); |
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333 } |
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334 |
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335 static void |
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336 IEEE_big_float_to_VAX_G_float (float * /* d */, int /* len */) |
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337 { |
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338 gripe_data_conversion ("IEEE big endian", "VAX G"); |
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339 } |
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340 |
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341 static void |
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342 VAX_D_float_to_VAX_G_float (float * /* d */, int /* len */) |
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343 { |
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344 gripe_data_conversion ("VAX D float", "VAX G"); |
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345 } |
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346 |
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347 static void |
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348 Cray_to_VAX_G_float (float * /* d */, int /* len */) |
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349 { |
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350 gripe_data_conversion ("VAX G float", "VAX G"); |
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351 } |
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352 |
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353 void |
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354 do_double_format_conversion (double *data, int len, |
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2317
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355 oct_mach_info::float_format fmt) |
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1960
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356 { |
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2317
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357 switch (oct_mach_info::native_float_format ()) |
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1960
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358 { |
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2317
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359 case oct_mach_info::ieee_little_endian: |
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1960
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360 switch (fmt) |
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361 { |
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2317
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362 case oct_mach_info::ieee_little_endian: |
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1960
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363 break; |
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364 |
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2317
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365 case oct_mach_info::ieee_big_endian: |
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1960
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366 IEEE_big_double_to_IEEE_little_double (data, len); |
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367 break; |
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368 |
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2317
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369 case oct_mach_info::vax_d: |
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1960
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370 VAX_D_double_to_IEEE_little_double (data, len); |
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371 break; |
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372 |
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2317
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373 case oct_mach_info::vax_g: |
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1960
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374 VAX_G_double_to_IEEE_little_double (data, len); |
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375 break; |
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376 |
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2317
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377 case oct_mach_info::cray: |
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1960
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378 Cray_to_IEEE_little_double (data, len); |
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379 break; |
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380 |
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381 default: |
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382 gripe_unrecognized_float_fmt (); |
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383 break; |
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384 } |
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385 break; |
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386 |
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2317
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387 case oct_mach_info::ieee_big_endian: |
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1960
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388 switch (fmt) |
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389 { |
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2317
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390 case oct_mach_info::ieee_little_endian: |
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1960
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391 IEEE_little_double_to_IEEE_big_double (data, len); |
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392 break; |
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393 |
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2317
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394 case oct_mach_info::ieee_big_endian: |
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1960
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395 break; |
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396 |
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2317
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397 case oct_mach_info::vax_d: |
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1960
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398 VAX_D_double_to_IEEE_big_double (data, len); |
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399 break; |
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400 |
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2317
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401 case oct_mach_info::vax_g: |
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1960
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402 VAX_G_double_to_IEEE_big_double (data, len); |
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403 break; |
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404 |
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2317
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405 case oct_mach_info::cray: |
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1960
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406 Cray_to_IEEE_big_double (data, len); |
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407 break; |
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408 |
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409 default: |
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410 gripe_unrecognized_float_fmt (); |
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411 break; |
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412 } |
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413 break; |
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414 |
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2317
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415 case oct_mach_info::vax_d: |
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1960
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416 switch (fmt) |
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417 { |
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2317
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418 case oct_mach_info::ieee_little_endian: |
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1960
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419 IEEE_little_double_to_VAX_D_double (data, len); |
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420 break; |
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421 |
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2317
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422 case oct_mach_info::ieee_big_endian: |
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1960
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423 IEEE_big_double_to_VAX_D_double (data, len); |
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424 break; |
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425 |
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2317
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426 case oct_mach_info::vax_d: |
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1960
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427 break; |
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428 |
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2317
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429 case oct_mach_info::vax_g: |
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1960
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430 VAX_G_double_to_VAX_D_double (data, len); |
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431 break; |
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432 |
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2317
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433 case oct_mach_info::cray: |
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1960
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434 Cray_to_VAX_D_double (data, len); |
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435 break; |
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436 |
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437 default: |
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438 gripe_unrecognized_float_fmt (); |
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439 break; |
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440 } |
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441 break; |
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442 |
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2317
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443 case oct_mach_info::vax_g: |
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1960
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444 switch (fmt) |
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445 { |
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2317
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446 case oct_mach_info::ieee_little_endian: |
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1960
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447 IEEE_little_double_to_VAX_G_double (data, len); |
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448 break; |
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449 |
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2317
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450 case oct_mach_info::ieee_big_endian: |
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1960
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451 IEEE_big_double_to_VAX_G_double (data, len); |
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452 break; |
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453 |
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2317
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454 case oct_mach_info::vax_d: |
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1960
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455 VAX_D_double_to_VAX_G_double (data, len); |
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|
456 break; |
|
|
457 |
|
2317
|
458 case oct_mach_info::vax_g: |
|
1960
|
459 break; |
|
|
460 |
|
2317
|
461 case oct_mach_info::cray: |
|
1960
|
462 Cray_to_VAX_G_double (data, len); |
|
|
463 break; |
|
|
464 |
|
|
465 default: |
|
|
466 gripe_unrecognized_float_fmt (); |
|
|
467 break; |
|
|
468 } |
|
|
469 break; |
|
|
470 |
|
|
471 default: |
|
|
472 (*current_liboctave_error_handler) |
|
|
473 ("impossible state reached in file `%s' at line %d", |
|
|
474 __FILE__, __LINE__); |
|
|
475 break; |
|
|
476 } |
|
|
477 } |
|
|
478 |
|
|
479 void |
|
|
480 do_float_format_conversion (float *data, int len, |
|
2317
|
481 oct_mach_info::float_format fmt) |
|
1960
|
482 { |
|
2317
|
483 switch (oct_mach_info::native_float_format ()) |
|
1960
|
484 { |
|
2317
|
485 case oct_mach_info::ieee_little_endian: |
|
1960
|
486 switch (fmt) |
|
|
487 { |
|
2317
|
488 case oct_mach_info::ieee_little_endian: |
|
1960
|
489 break; |
|
|
490 |
|
2317
|
491 case oct_mach_info::ieee_big_endian: |
|
1960
|
492 IEEE_big_float_to_IEEE_little_float (data, len); |
|
|
493 break; |
|
|
494 |
|
2317
|
495 case oct_mach_info::vax_d: |
|
1960
|
496 VAX_D_float_to_IEEE_little_float (data, len); |
|
|
497 break; |
|
|
498 |
|
2317
|
499 case oct_mach_info::vax_g: |
|
1960
|
500 VAX_G_float_to_IEEE_little_float (data, len); |
|
|
501 break; |
|
|
502 |
|
2317
|
503 case oct_mach_info::cray: |
|
1960
|
504 Cray_to_IEEE_little_float (data, len); |
|
|
505 break; |
|
|
506 |
|
|
507 default: |
|
|
508 gripe_unrecognized_float_fmt (); |
|
|
509 break; |
|
|
510 } |
|
|
511 break; |
|
|
512 |
|
2317
|
513 case oct_mach_info::ieee_big_endian: |
|
1960
|
514 switch (fmt) |
|
|
515 { |
|
2317
|
516 case oct_mach_info::ieee_little_endian: |
|
1960
|
517 IEEE_little_float_to_IEEE_big_float (data, len); |
|
|
518 break; |
|
|
519 |
|
2317
|
520 case oct_mach_info::ieee_big_endian: |
|
1960
|
521 break; |
|
|
522 |
|
2317
|
523 case oct_mach_info::vax_d: |
|
1960
|
524 VAX_D_float_to_IEEE_big_float (data, len); |
|
|
525 break; |
|
|
526 |
|
2317
|
527 case oct_mach_info::vax_g: |
|
1960
|
528 VAX_G_float_to_IEEE_big_float (data, len); |
|
|
529 break; |
|
|
530 |
|
2317
|
531 case oct_mach_info::cray: |
|
1960
|
532 Cray_to_IEEE_big_float (data, len); |
|
|
533 break; |
|
|
534 |
|
|
535 default: |
|
|
536 gripe_unrecognized_float_fmt (); |
|
|
537 break; |
|
|
538 } |
|
|
539 break; |
|
|
540 |
|
2317
|
541 case oct_mach_info::vax_d: |
|
1960
|
542 switch (fmt) |
|
|
543 { |
|
2317
|
544 case oct_mach_info::ieee_little_endian: |
|
1960
|
545 IEEE_little_float_to_VAX_D_float (data, len); |
|
|
546 break; |
|
|
547 |
|
2317
|
548 case oct_mach_info::ieee_big_endian: |
|
1960
|
549 IEEE_big_float_to_VAX_D_float (data, len); |
|
|
550 break; |
|
|
551 |
|
2317
|
552 case oct_mach_info::vax_d: |
|
1960
|
553 break; |
|
|
554 |
|
2317
|
555 case oct_mach_info::vax_g: |
|
1960
|
556 VAX_G_float_to_VAX_D_float (data, len); |
|
|
557 break; |
|
|
558 |
|
2317
|
559 case oct_mach_info::cray: |
|
1960
|
560 Cray_to_VAX_D_float (data, len); |
|
|
561 break; |
|
|
562 |
|
|
563 default: |
|
|
564 gripe_unrecognized_float_fmt (); |
|
|
565 break; |
|
|
566 } |
|
|
567 break; |
|
|
568 |
|
2317
|
569 case oct_mach_info::vax_g: |
|
1960
|
570 switch (fmt) |
|
|
571 { |
|
2317
|
572 case oct_mach_info::ieee_little_endian: |
|
1960
|
573 IEEE_little_float_to_VAX_G_float (data, len); |
|
|
574 break; |
|
|
575 |
|
2317
|
576 case oct_mach_info::ieee_big_endian: |
|
1960
|
577 IEEE_big_float_to_VAX_G_float (data, len); |
|
|
578 break; |
|
|
579 |
|
2317
|
580 case oct_mach_info::vax_d: |
|
1960
|
581 VAX_D_float_to_VAX_G_float (data, len); |
|
|
582 break; |
|
|
583 |
|
2317
|
584 case oct_mach_info::vax_g: |
|
1960
|
585 break; |
|
|
586 |
|
2317
|
587 case oct_mach_info::cray: |
|
1960
|
588 Cray_to_VAX_G_float (data, len); |
|
|
589 break; |
|
|
590 |
|
|
591 default: |
|
|
592 gripe_unrecognized_float_fmt (); |
|
|
593 break; |
|
|
594 } |
|
|
595 break; |
|
|
596 |
|
|
597 default: |
|
|
598 (*current_liboctave_error_handler) |
|
|
599 ("impossible state reached in file `%s' at line %d", |
|
|
600 __FILE__, __LINE__); |
|
|
601 break; |
|
|
602 } |
|
|
603 } |
|
|
604 |
|
|
605 void |
|
|
606 read_doubles (istream& is, double *data, save_type type, int len, |
|
2317
|
607 int swap, oct_mach_info::float_format fmt) |
|
1960
|
608 { |
|
|
609 switch (type) |
|
|
610 { |
|
|
611 case LS_U_CHAR: |
|
|
612 LS_DO_READ (unsigned char, swap, data, 1, len, is); |
|
|
613 break; |
|
|
614 |
|
|
615 case LS_U_SHORT: |
|
|
616 LS_DO_READ (unsigned TWO_BYTE_INT, swap, data, 2, len, is); |
|
|
617 break; |
|
|
618 |
|
|
619 case LS_U_INT: |
|
|
620 LS_DO_READ (unsigned FOUR_BYTE_INT, swap, data, 4, len, is); |
|
|
621 break; |
|
|
622 |
|
|
623 case LS_CHAR: |
|
|
624 LS_DO_READ (signed char, swap, data, 1, len, is); |
|
|
625 break; |
|
|
626 |
|
|
627 case LS_SHORT: |
|
|
628 LS_DO_READ (TWO_BYTE_INT, swap, data, 2, len, is); |
|
|
629 break; |
|
|
630 |
|
|
631 case LS_INT: |
|
|
632 LS_DO_READ (FOUR_BYTE_INT, swap, data, 4, len, is); |
|
|
633 break; |
|
|
634 |
|
|
635 case LS_FLOAT: |
|
|
636 { |
|
2800
|
637 volatile float *ptr = static_cast<float *> (data); |
|
1960
|
638 is.read (data, 4 * len); |
|
2800
|
639 do_float_format_conversion (static_cast<float *> (data), len, fmt); |
|
1960
|
640 float tmp = ptr[0]; |
|
|
641 for (int i = len - 1; i > 0; i--) |
|
|
642 data[i] = ptr[i]; |
|
|
643 data[0] = tmp; |
|
|
644 } |
|
|
645 break; |
|
|
646 |
|
|
647 case LS_DOUBLE: |
|
|
648 is.read (data, 8 * len); |
|
|
649 do_double_format_conversion (data, len, fmt); |
|
|
650 break; |
|
|
651 |
|
|
652 default: |
|
|
653 is.clear (ios::failbit|is.rdstate ()); |
|
|
654 break; |
|
|
655 } |
|
|
656 } |
|
|
657 |
|
|
658 void |
|
|
659 write_doubles (ostream& os, const double *data, save_type type, int len) |
|
|
660 { |
|
|
661 switch (type) |
|
|
662 { |
|
|
663 case LS_U_CHAR: |
|
|
664 LS_DO_WRITE (unsigned char, data, 1, len, os); |
|
|
665 break; |
|
|
666 |
|
|
667 case LS_U_SHORT: |
|
|
668 LS_DO_WRITE (unsigned TWO_BYTE_INT, data, 2, len, os); |
|
|
669 break; |
|
|
670 |
|
|
671 case LS_U_INT: |
|
|
672 LS_DO_WRITE (unsigned FOUR_BYTE_INT, data, 4, len, os); |
|
|
673 break; |
|
|
674 |
|
|
675 case LS_CHAR: |
|
|
676 LS_DO_WRITE (signed char, data, 1, len, os); |
|
|
677 break; |
|
|
678 |
|
|
679 case LS_SHORT: |
|
|
680 LS_DO_WRITE (TWO_BYTE_INT, data, 2, len, os); |
|
|
681 break; |
|
|
682 |
|
|
683 case LS_INT: |
|
|
684 LS_DO_WRITE (FOUR_BYTE_INT, data, 4, len, os); |
|
|
685 break; |
|
|
686 |
|
|
687 case LS_FLOAT: |
|
|
688 LS_DO_WRITE (float, data, 4, len, os); |
|
|
689 break; |
|
|
690 |
|
|
691 case LS_DOUBLE: |
|
|
692 { |
|
2800
|
693 char tmp_type = static_cast<char> (type); |
|
1960
|
694 os.write (&tmp_type, 1); |
|
|
695 os.write (data, 8 * len); |
|
|
696 } |
|
|
697 break; |
|
|
698 |
|
|
699 default: |
|
|
700 (*current_liboctave_error_handler) |
|
|
701 ("unrecognized data format requested"); |
|
|
702 break; |
|
|
703 } |
|
|
704 } |
|
|
705 |
|
|
706 /* |
|
|
707 ;;; Local Variables: *** |
|
|
708 ;;; mode: C++ *** |
|
|
709 ;;; End: *** |
|
|
710 */ |
