Mercurial > hg > svcore

comparison base/LogRange.cpp @ 687:06f13a3b9e9e debug-output

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Convert many cerrs to DEBUGs
author Chris Cannam
date Mon, 16 May 2011 17:19:09 +0100
parents bdc9bb371a9f
children 1424aa29ae95
comparison
equal deleted inserted replaced
686:b4a8d8221eaf 687:06f13a3b9e9e
24 LogRange::mapRange(float &min, float &max, float logthresh) 24 LogRange::mapRange(float &min, float &max, float logthresh)
25 { 25 {
26 if (min > max) std::swap(min, max); 26 if (min > max) std::swap(min, max);
27 if (max == min) max = min + 1; 27 if (max == min) max = min + 1;
28 28
29 // std::cerr << "LogRange::mapRange: min = " << min << ", max = " << max << std::endl; 29 // DEBUG << "LogRange::mapRange: min = " << min << ", max = " << max << endl;
30 30
31 if (min >= 0.f) { 31 if (min >= 0.f) {
32 32
33 max = log10f(max); // we know max != 0 33 max = log10f(max); // we know max != 0
34 34
35 if (min == 0.f) min = std::min(logthresh, max); 35 if (min == 0.f) min = std::min(logthresh, max);
36 else min = log10f(min); 36 else min = log10f(min);
37 37
38 // std::cerr << "LogRange::mapRange: positive: min = " << min << ", max = " << max << std::endl; 38 // DEBUG << "LogRange::mapRange: positive: min = " << min << ", max = " << max << endl;
39 39
40 } else if (max <= 0.f) { 40 } else if (max <= 0.f) {
41 41
42 min = log10f(-min); // we know min != 0 42 min = log10f(-min); // we know min != 0
43 43
44 if (max == 0.f) max = std::min(logthresh, min); 44 if (max == 0.f) max = std::min(logthresh, min);
45 else max = log10f(-max); 45 else max = log10f(-max);
46 46
47 std::swap(min, max); 47 std::swap(min, max);
48 48
49 // std::cerr << "LogRange::mapRange: negative: min = " << min << ", max = " << max << std::endl; 49 // DEBUG << "LogRange::mapRange: negative: min = " << min << ", max = " << max << endl;
50 50
51 } else { 51 } else {
52 52
53 // min < 0 and max > 0 53 // min < 0 and max > 0
54 54
55 max = log10f(std::max(max, -min)); 55 max = log10f(std::max(max, -min));
56 min = std::min(logthresh, max); 56 min = std::min(logthresh, max);
57 57
58 // std::cerr << "LogRange::mapRange: spanning: min = " << min << ", max = " << max << std::endl; 58 // DEBUG << "LogRange::mapRange: spanning: min = " << min << ", max = " << max << endl;
59 } 59 }
60 60
61 if (min == max) min = max - 1; 61 if (min == max) min = max - 1;
62 } 62 }
63 63
102 size_t mi = values.size() / 2; 102 size_t mi = values.size() / 2;
103 103
104 float sd0 = sd(values, 0, mi); 104 float sd0 = sd(values, 0, mi);
105 float sd1 = sd(values, mi, values.size() - mi); 105 float sd1 = sd(values, mi, values.size() - mi);
106 106
107 std::cerr << "LogRange::useLogScale: sd0 = " 107 DEBUG << "LogRange::useLogScale: sd0 = "
108 << sd0 << ", sd1 = " << sd1 << std::endl; 108 << sd0 << ", sd1 = " << sd1 << endl;
109 109
110 if (sd0 == 0 || sd1 == 0) return false; 110 if (sd0 == 0 || sd1 == 0) return false;
111 111
112 // I wonder what method of determining "one sd much bigger than 112 // I wonder what method of determining "one sd much bigger than
113 // the other" would be appropriate here... 113 // the other" would be appropriate here...