static DoubleArgumentFluentExtensions()
{
PositiveInfinityValidationPredicate = new EqualValidationPredicate<double>(double.PositiveInfinity);
NotPositiveInfinityValidationPredicate = new NotEqualValidationPredicate<double>(double.PositiveInfinity);
NegativeInfinityValidationPredicate = new EqualValidationPredicate<double>(double.NegativeInfinity);
NotNegativeInfinityValidationPredicate = new NotEqualValidationPredicate<double>(double.NegativeInfinity);
}