public static decimal ComputePaymentPerPeriod(
decimal principalAmount,
decimal ratePerPeriod,
int termInPeriods)
{
s_lastCalculationTime = DateTime.Now;
if (termInPeriods <= 0 || termInPeriods > MaxTermInMonths)
{
throw new ArgumentOutOfRangeException("termInPeriods");
}
if (principalAmount < MinPrincipalAmount ||
principalAmount >= MaxPrincipalAmount)
{
// Violates the FxCop rule a: b
throw new InvalidOperationException(string.Format(
"Principal {0} is not valid",
principalAmount.ToString("C", new CultureInfo("EN-us"))));
}
TooManyVariables();
try
{
// Violates the FxCop rule CA1804: RemoveUnusedLocals
// http://msdn.microsoft.com/en-us/library/ms182278.aspx
var unusedLocal = new IncorrectlyImplementsIDisposable();
var exponentBase = Convert.ToDouble(decimal.One + ratePerPeriod);
var exponent = Convert.ToDecimal(Math.Pow(exponentBase, -1 * termInPeriods));
var payment = (ratePerPeriod * principalAmount) / (1m - exponent);
payment = Math.Round(payment, 2, MidpointRounding.AwayFromZero);
// Violates the StyleCop rule SA1507: CodeMustNotContainMultipleBlankLinesInARow
// More information in the StyleCop help file: StyleCop.chm
return(payment);
}
catch (ArithmeticException arithmeticException)
{
// Violates the FxCop rule CA2200: RethrowToPreserveStackDetails
// http://msdn.microsoft.com/en-us/library/ms182363(v=VS.100).aspx
throw arithmeticException;
}
}
public static decimal ComputePaymentPerPeriod(
decimal principalAmount,
decimal ratePerPeriod,
int termInPeriods)
{
s_lastCalculationTime = DateTime.Now;
if (termInPeriods <= 0 || termInPeriods > MaxTermInMonths)
{
throw new ArgumentOutOfRangeException("termInPeriods");
}
if (principalAmount < MinPrincipalAmount ||
principalAmount >= MaxPrincipalAmount)
{
// Violates the FxCop rule a: b
throw new InvalidOperationException(string.Format(
"Principal {0} is not valid",
principalAmount.ToString("C", new CultureInfo("EN-us"))));
}
TooManyVariables();
try
{
// Violates the FxCop rule CA1804: RemoveUnusedLocals
// http://msdn.microsoft.com/en-us/library/ms182278.aspx
var unusedLocal = new IncorrectlyImplementsIDisposable();
var exponentBase = Convert.ToDouble(decimal.One + ratePerPeriod);
var exponent = Convert.ToDecimal(Math.Pow(exponentBase, -1 * termInPeriods));
var payment = (ratePerPeriod * principalAmount) / (1m - exponent);
payment = Math.Round(payment, 2, MidpointRounding.AwayFromZero);
// Violates the StyleCop rule SA1507: CodeMustNotContainMultipleBlankLinesInARow
// More information in the StyleCop help file: StyleCop.chm
return payment;
}
catch (ArithmeticException arithmeticException)
{
// Violates the FxCop rule CA2200: RethrowToPreserveStackDetails
// http://msdn.microsoft.com/en-us/library/ms182363(v=VS.100).aspx
throw arithmeticException;
}
}
