I have work for you

Question

How to exract the value of constant PI to 16 digits precisely?
https://code.sololearn.com/cOZSG3F9o9Hf/?ref=app

Answer 1

Please amend your question title because "I have work for you" is not a meaningful one

Q&A forum rules:
https://www.sololearn.com/Discuss/1316935/?ref=app

Answer 2

If you remove the const from the double and enter a precise π value the code actually works.

Answer 3

Is it possible that the program print exact value to 16 digits precisely on the base math library without enter its value?

Answer 4

https://stackoverflow.com/questions/1727881/how-to-use-the-pi-constant-in-c