[Info-vax] VMS Software Q1 '23 Update

[Arne Vajhøj]

On 1/26/2023 12:05 PM, Single Stage to Orbit wrote:
> On Thu, 2023-01-26 at 11:50 -0500, Dave Froble wrote:
>>> I am of the opinion that direct testing for equality of floating
>>> point numbers should be disallowed by every language and that
>>> people should be forced to use an alternative where _they_ have to
>>> specify the delta value that 2 numbers should be within before they
>>> are considered to be equal.
>>
>> Well, "have to" or not, that is the only method that works ...
> 
> Or use rounding: IF Math.Round(x,2) = Math.Round(x,2) THEN ..

VB.NET?

IF Math.Round(x,2) = Math.Round(y,2) THEN

and:

IF Math.Abs(x - y) < 0.01 THEN

are not fully equivalent.

Arne