public static double tanh(double d) {double ePowX = Math.pow(Math.E, d);double ePowNegX = Math.pow(Math.E, -d);return (ePowX - ePowNegX) / (ePowX + ePowNegX);}

public static double tanh ( double d ) { double ePowX = Math . pow ( Math . E , d ) ; double ePowNegX = Math . pow ( Math . E , - d ) ; return ( ePowX - ePowNegX ) / ( ePowX + ePowNegX ) ; }
public static double Tanh(double d){double ePowX = Math.Pow(Math.E, d);double ePowNegX = Math.Pow(Math.E, -d);d = (ePowX - ePowNegX) / (ePowX + ePowNegX);return d;}
