2 // System.DoubleFormatter.cs
5 // Pedro Martinez Juliá <yoros@wanadoo.es>
7 // Copyright (C) 2003 Pedro Martínez Juliá <yoros@wanadoo.es>
8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Collections;
32 using System.Globalization;
36 internal class DoubleFormatter
38 private static FloatingPointFormatter fpf;
40 const double p = 100000000000000.0d;
41 const double p10 = 1000000000000000.0;
42 const int dec_len = 14;
43 const int dec_len_min = -30;
44 const double p2 = 10000000000000000.0d;
45 const double p102 = 100000000000000000.0;
46 const int dec_len2 = 16;
47 const int dec_len_min2 = -34;
49 internal static string NumberToString (string format, NumberFormatInfo nfi, double value)
52 fpf = new FloatingPointFormatter (p, p10, dec_len, dec_len_min, p2, p102, dec_len2, dec_len_min2);
54 return fpf.GetStringFrom (format, nfi, value);