source: trunk/demos/spectrum/3rdparty/fftreal/TestAccuracy.h

Last change on this file was 769, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.3 sources from branches/vendor/nokia/qt.
File size: 3.0 KB
Line 
1/*****************************************************************************
2
3 TestAccuracy.h
4 Copyright (c) 2005 Laurent de Soras
5
6--- Legal stuff ---
7
8This library is free software; you can redistribute it and/or
9modify it under the terms of the GNU Lesser General Public
10License as published by the Free Software Foundation; either
11version 2.1 of the License, or (at your option) any later version.
12
13This library is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16Lesser General Public License for more details.
17
18You should have received a copy of the GNU Lesser General Public
19License along with this library; if not, write to the Free Software
20Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21
22*Tab=3***********************************************************************/
23
24
25
26#if ! defined (TestAccuracy_HEADER_INCLUDED)
27#define TestAccuracy_HEADER_INCLUDED
28
29#if defined (_MSC_VER)
30 #pragma once
31 #pragma warning (4 : 4250) // "Inherits via dominance."
32#endif
33
34
35
36/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
37
38
39
40template <class FO>
41class TestAccuracy
42{
43
44/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
45
46public:
47
48 typedef typename FO::DataType DataType;
49 typedef long double BigFloat; // To get maximum accuracy during intermediate calculations
50
51 static int perform_test_single_object (FO &fft);
52 static int perform_test_d (FO &fft, const char *class_name_0);
53 static int perform_test_i (FO &fft, const char *class_name_0);
54 static int perform_test_di (FO &fft, const char *class_name_0);
55
56
57
58/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
59
60protected:
61
62
63
64/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
65
66private:
67
68 enum { NBR_ACC_TESTS = 10 * 1000 * 1000 };
69 enum { MAX_NBR_TESTS = 10000 };
70
71 static void compute_tf (DataType s [], const DataType x [], long length);
72 static void compute_itf (DataType x [], const DataType s [], long length);
73 static int compare_vect_display (const DataType x_ptr [], const DataType y_ptr [], long len, BigFloat &max_err_rel);
74 static BigFloat
75 compute_power (const DataType x_ptr [], long len);
76 static BigFloat
77 compute_power (const DataType x_ptr [], const DataType y_ptr [], long len);
78 static void compare_vect (const DataType x_ptr [], const DataType y_ptr [], BigFloat &power, long &max_err_pos, long len);
79
80
81
82/*\\\ FORBIDDEN MEMBER FUNCTIONS \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
83
84private:
85
86 TestAccuracy ();
87 ~TestAccuracy ();
88 TestAccuracy (const TestAccuracy &other);
89 TestAccuracy & operator = (const TestAccuracy &other);
90 bool operator == (const TestAccuracy &other);
91 bool operator != (const TestAccuracy &other);
92
93}; // class TestAccuracy
94
95
96
97#include "TestAccuracy.hpp"
98
99
100
101#endif // TestAccuracy_HEADER_INCLUDED
102
103
104
105/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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