Comments (2)
The behaviour is as expected.
When you call toFraction
, you are calling it on the number 3.08218318695106649937
, not on the rational number 4913/1594
(which could not be stored as a BigNumber anyway as it has a non-terminating decimal expansion).
To clarify:
var BN = BigNumber;
BN.config(20);
var n = BN(4913).div(1594);
n.toString(); // 3.08218318695106649937
n.toFraction() // [ "308218318695106649937", "100000000000000000000" ]
BN.config(10);
n = BN(4913).div(1594);
n.toString(); // 3.082183187
n.toFraction() // [ "3082183187", "1000000000" ]
Do you follow?
from bignumber.js.
Thanks for the quick response Mike. I understand how it applies now. I'll have to track the rational expression separately.
Cheers,
-Thomas
from bignumber.js.
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