ieee floating point standard การใช้

:The IEEE floating point standard treats the problem by having a special function rootn ( x, n ) where n has to be an integer.
Such tolerance, however, can easily break desired properties such as transitivity, whereas reflexivity breaks too : the IEEE floating point standard requires that Nan ` " NaN holds.
The IEEE floating point standard guarantees that add, subtract, multiply, divide, fused multiply add, square root, and floating point remainder will give the correctly rounded result of the infinite precision operation.
The IEEE floating point standard defines a not-a-number value which is returned when a floating point operation is undefined and exceptions are suppressed, e . g . when the square root of a negative number is requested.