public void MathLibraryMul()
{
var sut = new Matho();
Assert.AreEqual(sut.Mul(3, 5), 15);
Assert.AreEqual(sut.Mul(-7, 1897), -13279);
Assert.AreEqual(sut.Mul(8.245, 5.240), 43, 2038);
Assert.AreEqual(sut.Mul(456789, 456789), 208656190521);
}
/**
* Funkcia spracuvajúca výsledok operácií kalkulačky
*
* @return double výsledok zadanej operácie, respektíve iba číslo ak nebola zadaná žiadna operácia
*/
private double operation_result()
{
try
{
if (actual_sign == sign.add)
{
return(matho.Add(result, output_handle.get_num_on_display()));
}
if (actual_sign == sign.sub)
{
return(matho.Sub(result, output_handle.get_num_on_display()));
}
if (actual_sign == sign.mul)
{
return(matho.Mul(result, output_handle.get_num_on_display()));
}
if (actual_sign == sign.div)
{
return(matho.Div(result, output_handle.get_num_on_display()));
}
if (actual_sign == sign.mod)
{
return(matho.Mod(result, output_handle.get_num_on_display()));
}
if (actual_sign == sign.fac)
{
return(matho.Fakt(output_handle.get_num_on_display()));
}
if (actual_sign == sign.sqr)
{
return(matho.SquareRoot(output_handle.get_num_on_display()));
}
if (actual_sign == sign.root_3)
{
return(matho.ThirdRoot(output_handle.get_num_on_display()));
}
if (actual_sign == sign.pow_2)
{
return(matho.Pow(output_handle.get_num_on_display(), 2));
}
if (actual_sign == sign.pow_y)
{
return(matho.Pow(result, output_handle.get_num_on_display()));
}
return(output_handle.get_num_on_display());
}
catch (ArgumentOutOfRangeException)
{
output_handle.clear_log();
output_handle.clear_display();
if (actual_sign == sign.fac)
{
output_handle.print_on_display("Factorial cannot be decimal or < 1!");
}
if (actual_sign == sign.pow_y)
{
output_handle.print_on_display("Exponent cannot be decimal or < 1!");
}
if (actual_sign == sign.sqr)
{
output_handle.print_on_display("Square root of x cannot b < 0!");
}
if (actual_sign == sign.root_3)
{
output_handle.print_on_display("Cubic root of x cannot b < 0!");
}
throw;
}
catch (DivideByZeroException)
{
output_handle.clear_log();
output_handle.clear_display();
output_handle.print_on_display("Cannot divide by zero!");
throw;
}
}