Dear Abday,
Sorry about the late response. Thingshave been a bit hectic at work recently.
You can generate test cases for certain high-precisioncalculations as Wolfram Alpha. This is, however,honestly a bit slow, manual and tedious, and therebynot well suited for generation of large and detailedsets of tast data for tich test suites. But for a few cases,Wolfram Alpha can be a super cool and good way to go.
For instance, go here:http://www.wolframalpha.com
You must use elements of the so-called Wolfram Languageto get exact numerical results. This is the Languageused in the program Mathematica.
Try a simple command such as:N[Pi, 101]
Then try another command such as1234567812345678*5555555555555555555555555555555
Or another command such as:N[Sqrt[2], 10001]
Kind regards, Chris
On Saturday, March 21, 2020, 8:40:25 PM GMT+1, Abhay Yadav via Boost