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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- A D A . T E X T _ I O . F L O A T _ I O --
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6 -- --
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7 -- B o d y --
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8 -- --
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145
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9 -- Copyright (C) 1992-2019, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 with Ada.Text_IO.Float_Aux;
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33
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34 package body Ada.Text_IO.Float_IO is
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35
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36 package Aux renames Ada.Text_IO.Float_Aux;
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37
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38 ---------
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39 -- Get --
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40 ---------
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41
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42 procedure Get
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43 (File : File_Type;
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44 Item : out Num;
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45 Width : Field := 0)
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46 is
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47 pragma Unsuppress (Range_Check);
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48
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49 begin
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50 Aux.Get (File, Long_Long_Float (Item), Width);
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51
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52 -- In the case where the type is unconstrained (e.g. Standard'Float),
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53 -- the above conversion may result in an infinite value, which is
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54 -- normally fine for a conversion, but in this case, we want to treat
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55 -- that as a data error.
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56
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57 if not Item'Valid then
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58 raise Data_Error;
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59 end if;
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60
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61 exception
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62 when Constraint_Error => raise Data_Error;
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63 end Get;
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64
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65 procedure Get
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66 (Item : out Num;
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67 Width : Field := 0)
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68 is
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69 pragma Unsuppress (Range_Check);
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70
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71 begin
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72 Aux.Get (Current_In, Long_Long_Float (Item), Width);
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73
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74 -- In the case where the type is unconstrained (e.g. Standard'Float),
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75 -- the above conversion may result in an infinite value, which is
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76 -- normally fine for a conversion, but in this case, we want to treat
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77 -- that as a data error.
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78
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79 if not Item'Valid then
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80 raise Data_Error;
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81 end if;
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82
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83 exception
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84 when Constraint_Error => raise Data_Error;
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85 end Get;
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86
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87 procedure Get
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88 (From : String;
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89 Item : out Num;
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90 Last : out Positive)
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91 is
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92 pragma Unsuppress (Range_Check);
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93
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94 begin
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95 Aux.Gets (From, Long_Long_Float (Item), Last);
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96
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97 -- In the case where the type is unconstrained (e.g. Standard'Float),
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98 -- the above conversion may result in an infinite value, which is
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99 -- normally fine for a conversion, but in this case, we want to treat
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100 -- that as a data error.
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101
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102 if not Item'Valid then
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103 raise Data_Error;
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104 end if;
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105
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106 exception
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107 when Constraint_Error => raise Data_Error;
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108 end Get;
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109
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110 ---------
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111 -- Put --
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112 ---------
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113
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114 procedure Put
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115 (File : File_Type;
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116 Item : Num;
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117 Fore : Field := Default_Fore;
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118 Aft : Field := Default_Aft;
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119 Exp : Field := Default_Exp)
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120 is
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121 begin
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122 Aux.Put (File, Long_Long_Float (Item), Fore, Aft, Exp);
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123 end Put;
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124
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125 procedure Put
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126 (Item : Num;
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127 Fore : Field := Default_Fore;
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128 Aft : Field := Default_Aft;
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129 Exp : Field := Default_Exp)
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130 is
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131 begin
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132 Aux.Put (Current_Out, Long_Long_Float (Item), Fore, Aft, Exp);
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133 end Put;
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134
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135 procedure Put
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136 (To : out String;
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137 Item : Num;
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138 Aft : Field := Default_Aft;
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139 Exp : Field := Default_Exp)
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140 is
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141 begin
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142 Aux.Puts (To, Long_Long_Float (Item), Aft, Exp);
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143 end Put;
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144
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145 end Ada.Text_IO.Float_IO;
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