Rust Cuba interface
This library provides safe access to the Cuba integration library.
Example
Below we show an example of an integration of a test function with user data (this can be of any type):
extern crate cuba;
use ;
This library provides safe access to the Cuba integration library.
Below we show an example of an integration of a test function with user data (this can be of any type):
extern crate cuba;
use cuba::{CubaIntegrator, CubaVerbosity};
#[derive(Debug)]
struct TestUserData {
f1: f64,
f2: f64,
}
#[inline(always)]
fn test_integrand(x: &[f64], f: &mut [f64], user_data: &mut TestUserData) -> i32 {
f[0] = (x[0] * x[1]).sin() * user_data.f1;
f[1] = (x[1] * x[1]).cos() * user_data.f2;
0
}
fn main() {
let mut ci = CubaIntegrator::new(test_integrand);
ci.set_mineval(10).set_maxeval(10000);
let r = ci.vegas(
2,
2,
CubaVerbosity::Progress,
TestUserData { f1: 5., f2: 7. },
);
println!("{:#?}", r);
}