Mercurial > hg > qm-dsp

comparison maths/MathUtilities.h @ 123:a37635bbb2c1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Some (but not all) MathUtilities unit tests, and accompanying fixes
author Chris Cannam
date Fri, 04 Oct 2013 18:34:30 +0100
parents e5907ae6de17
children 5351b5e9ad9f
comparison
equal deleted inserted replaced
122:2b5b37255db2 123:a37635bbb2c1
49 NormaliseNone, 49 NormaliseNone,
50 NormaliseUnitSum, 50 NormaliseUnitSum,
51 NormaliseUnitMax 51 NormaliseUnitMax
52 }; 52 };
53 53
54 static void normalise(double *data, int length, 54 static void normalise(double *data, int length,
55 NormaliseType n = NormaliseUnitMax); 55 NormaliseType n = NormaliseUnitMax);
56 56
57 static void normalise(std::vector<double> &data, 57 static void normalise(std::vector<double> &data,
58 NormaliseType n = NormaliseUnitMax); 58 NormaliseType n = NormaliseUnitMax);
59 59
60 // moving mean threshholding: 60 // moving mean threshholding:
61 static void adaptiveThreshold(std::vector<double> &data); 61 static void adaptiveThreshold(std::vector<double> &data);
62 62
63 static bool isPowerOfTwo(int x); 63 static bool isPowerOfTwo(int x);
64 static int nextPowerOfTwo(int x); // e.g. 1300 -> 2048, 2048 -> 2048 64 static int nextPowerOfTwo(int x); // e.g. 1300 -> 2048, 2048 -> 2048
65 static int previousPowerOfTwo(int x); // e.g. 1300 -> 1024, 2048 -> 2048 65 static int previousPowerOfTwo(int x); // e.g. 1300 -> 1024, 2048 -> 2048
66 static int nearestPowerOfTwo(int x); // e.g. 1300 -> 1024, 1700 -> 2048 66 static int nearestPowerOfTwo(int x); // e.g. 1300 -> 1024, 12 -> 16 (not 8)
67
68 static int factorial(int x);
67 }; 69 };
68 70
69 #endif 71 #endif