Module 5HashMap & BTreeMapLesson 6 of 818 min
std Math & Formatting
f64 methods and format! for reports and d1.
f64 toolbox
abs, sqrt, ln, exp, max, min, powi, powf
consts
rust
use std::f64::consts::PI;d1 building block for Black-Scholes
Challenge
Implement d2 = d1 - sigma*sqrt(t).
Tips
- std math powers many kernels
- Guard t>0 sigma>0 in prod
- format! allocates String
Try it live
std Math & FormattingRust 2021
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Output
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