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author | worktycho <work.tycho@gmail.com> | 2013-12-09 18:51:12 +0100 |
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committer | worktycho <work.tycho@gmail.com> | 2013-12-09 18:51:12 +0100 |
commit | 843605d59ebc128be0a578dc6f45ef8c05da6e79 (patch) | |
tree | 3ffebc6ba27baf7a9e1d4bc51501ffeea9b14226 /source/ProbabDistrib.h | |
parent | merged makefile changes (diff) | |
parent | Fix Undefined behavior at Bindings/LuaWindow line 32 (diff) | |
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Diffstat (limited to 'source/ProbabDistrib.h')
-rw-r--r-- | source/ProbabDistrib.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/source/ProbabDistrib.h b/source/ProbabDistrib.h deleted file mode 100644 index ddaadd9b7..000000000 --- a/source/ProbabDistrib.h +++ /dev/null @@ -1,74 +0,0 @@ - -// ProbabDistrib.h - -// Declares the cProbabDistrib class representing a discrete probability distribution curve and random generator - -/* -Usage: -1, Create a cProbabDistrib instance -2, Initialize the distribution either programmatically, using the SetPoints() function, or using a definition string -3, Ask for random numbers in that probability distribution using the Random() function -*/ - - - - - -#pragma once - - - - - -// fwd: -class MTRand; - - - - - -class cProbabDistrib -{ -public: - class cPoint - { - public: - int m_Value; - int m_Probability; - - cPoint(int a_Value, int a_Probability) : - m_Value(a_Value), - m_Probability(a_Probability) - { - } - } ; - - typedef std::vector<cPoint> cPoints; - - - cProbabDistrib(int a_MaxValue); - - /// Sets the distribution curve using an array of [value, probability] points, linearly interpolated. a_Points must not be empty. - void SetPoints(const cPoints & a_Points); - - /// Sets the distribution curve using a definition string; returns true on successful parse - bool SetDefString(const AString & a_DefString); - - /// Gets a random value from a_Rand, shapes it into the distribution curve and returns the value. - int Random(MTRand & a_Rand) const; - - /// Maps value in range [0, m_Sum] into the range [0, m_MaxValue] using the stored probability - int MapValue(int a_OrigValue) const; - - int GetSum(void) const { return m_Sum; } - -protected: - - int m_MaxValue; - cPoints m_Cumulative; ///< Cumulative probability of the values, sorted, for fast bsearch lookup - int m_Sum; ///< Sum of all the probabilities across all values in the domain; -1 if not set -} ; - - - - |