mirror of
https://github.com/bitburner-official/bitburner-src.git
synced 2024-11-10 09:43:54 +01:00
Optimized favor calculations.
This commit is contained in:
parent
d2193e017d
commit
4fd95a322e
@ -1,21 +1,13 @@
|
||||
// The initial formulas was sum 0 to f of 500*1.02^f.
|
||||
// These formulas were derived on wolfram alpha.
|
||||
// see https://en.wikipedia.org/wiki/Geometric_series#Closed-form_formula
|
||||
// for information on how to calculate this
|
||||
|
||||
// Wolfram Alpha: sum from 0 to n of 500*1.02^n
|
||||
// 500 * ((pow(51, f+1)) / pow(50,f) - 50)
|
||||
// Then we use https://herbie.uwplse.org/demo/ to simplify it and prevent
|
||||
// Infinity issues.
|
||||
export function favorToRep(f: number): number {
|
||||
function fma(a: number, b: number, c: number): number {
|
||||
return a * b + c;
|
||||
}
|
||||
const ex = fma(f - 1, Math.log(51.0) - Math.log(50.0), Math.log(51.0));
|
||||
const raw = fma(500.0, Math.exp(ex), -25000.0);
|
||||
const raw = 25000 * (Math.pow(1.02, f) - 1);
|
||||
return Math.round(raw * 10000) / 10000; // round to make things easier.
|
||||
}
|
||||
|
||||
// Wolfram Alpha: 500 (50^(-n) 51^(n + 1) - 50) solve for n
|
||||
export function repToFavor(r: number): number {
|
||||
const raw = Math.log((r + 25000) / 25500) / Math.log(1.02) + 1;
|
||||
const raw = Math.log(r / 25000 + 1) / Math.log(1.02);
|
||||
return Math.round(raw * 10000) / 10000; // round to make things easier.
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user