数学工具 - MetaTrader 5程序库

用于比较浮点数的便利函数

bool EQ(double a, double b, int digits = 8);

bool GT(double a, double b, int digits = 8);

bool LT(double a, double b, int digits = 8);

bool NE(double a, double b, int digits = 8);

bool GE(double a, double b, int digits = 8);

bool LE(double a, double b, int digits = 8);

用于浮点数四舍五入的便利函数

double RoundToDigit(double number, int digits);

double RoundToDigitUp(double number, int digits);

double RoundToDigitDown(double number, int digits);

double RoundToStep(double number, double step);

double RoundToStepUp(double number, double step);

double RoundToStepDown(double number, double step);

double RoundPrice(double pPrice, string pSymbol = NULL);

double RoundVolume(double pVolume, string pSymbol = NULL);