Esempio n. 1
0
  // ---------------------------------------------------------------------------
  private String Calculate1(String oper, String str1) throws Exception {
    double n1 = Values.StringToDouble(str1);
    double val = 0;

    if (oper.equalsIgnoreCase("SEN")) val = java.lang.Math.sin(n1);
    else if (oper.equalsIgnoreCase("COS")) val = java.lang.Math.cos(n1);
    else if (oper.equalsIgnoreCase("TAN")) val = java.lang.Math.tan(n1);
    else if (oper.equalsIgnoreCase("CTG")) val = 1.0 / java.lang.Math.tan(n1);
    else if (oper.equalsIgnoreCase("ASEN")) val = java.lang.Math.asin(n1);
    else if (oper.equalsIgnoreCase("ACOS")) val = java.lang.Math.acos(n1);
    else if (oper.equalsIgnoreCase("ATAN")) val = java.lang.Math.atan(n1);
    else if (oper.equalsIgnoreCase("ACTG")) val = 1.0 / java.lang.Math.atan(n1);
    else if (oper.equalsIgnoreCase("SENH")) val = java.lang.Math.sinh(n1);
    else if (oper.equalsIgnoreCase("COSH")) val = java.lang.Math.cosh(n1);
    else if (oper.equalsIgnoreCase("TANH")) val = java.lang.Math.tanh(n1);
    else if (oper.equalsIgnoreCase("CTGH")) val = 1.0 / java.lang.Math.tanh(n1);
    else if (oper.equalsIgnoreCase("EXP")) val = java.lang.Math.exp(n1);
    // valor absoluto de inteiros s�o inteiros
    else if (oper.equalsIgnoreCase("ABS")) {
      val = java.lang.Math.abs(n1);
      if (Values.IsInteger(str1)) return Values.IntegerToString(val);
    } else if (oper.equalsIgnoreCase("RAIZ")) val = java.lang.Math.sqrt(n1);
    else if (oper.equalsIgnoreCase("LOG")) val = java.lang.Math.log10(n1);
    else if (oper.equalsIgnoreCase("LN")) val = java.lang.Math.log(n1);
    // parte inteira do numeros
    else if (oper.equalsIgnoreCase("INT")) {
      return Values.IntegerToString(n1);
    }
    // parte real
    else if (oper.equalsIgnoreCase("FRAC")) {
      String num = Values.DoubleToString(n1);
      return num.substring(num.indexOf('.') + 1);
    }

    // parte real
    else if (oper.equalsIgnoreCase("ARRED")) {
      double vm = java.lang.Math.ceil(n1);
      if (n1 - vm >= 0.5) return Values.IntegerToString((int) n1 + 1);
      return Values.IntegerToString((int) n1);
    } else throw new Exception("ERRO fun��o Desconhecida 1 [" + oper + "]");
    return Values.DoubleToString(val);
  }
Esempio n. 2
0
 // return a new Complex object whose value is the complex cosine of this
 public Complex cos() {
   return new Complex(
       (float) (Math.cos(re) * Math.cosh(im)), (float) (-Math.sin(re) * Math.sinh(im)));
 }