static float CalcCPUCT(int n)
{
float CPUCT_EXTRA = (CPUCT_FACTOR == 0) ? 0 : CPUCT_FACTOR *FastLog.Ln((n + CPUCT_BASE + 1.0f) / CPUCT_BASE); // ?? should parentN be min 1.0f as above
float thisCPUCT = CPUCT + CPUCT_EXTRA;
return(thisCPUCT);
}
/// <summary>
/// Calculators CPUCT coefficient for a node with specified characteristics.
/// </summary>
/// <param name="parentIsRoot"></param>
/// <param name="dualSelectorMode"></param>
/// <param name="selectorID"></param>
/// <param name="parentN"></param>
/// <returns></returns>
public float CalcCPUCT(bool parentIsRoot, bool dualSelectorMode, int selectorID, float parentN)
{
if (parentIsRoot)
{
float CPUCT_EXTRA = (CPUCTFactorAtRoot == 0) ? 0 : CPUCTFactorAtRoot *FastLog.Ln((parentN + CPUCTBaseAtRoot + 1.0f) / CPUCTBaseAtRoot);
float thisCPUCT = CPUCTAtRoot + CPUCT_EXTRA;
float cpuctValue = CPUCTForSelector(dualSelectorMode, selectorID, thisCPUCT);
return(cpuctValue);
}
else
{
float CPUCT_EXTRA = (CPUCTFactor == 0) ? 0 : CPUCTFactor *FastLog.Ln((parentN + CPUCTBase + 1.0f) / CPUCTBase);
float thisCPUCT = CPUCT + CPUCT_EXTRA;
float cpuctValue = CPUCTForSelector(dualSelectorMode, selectorID, thisCPUCT);
return(cpuctValue);
}
}