real_largestreturns the largest positive floating-point number.
For full information please refer to the NAG Library document for x02al
The largest positive floating-point number.
real_largestreturns the largest positive number in the model of floating-point arithmetic described in the X02 Introduction. The returned value is equal to , where is the arithmetic base (see
model_base()) and is the maximum exponent (see
model_maxexp()) in the model.