use crate::vm::pmp;

/// Subtract one pv-vector from another.

///

/// Status:  vector/matrix support function.

///

/// Given:

///    a       [[f64; 3]; 2]      first pv-vector

///    b       [[f64; 3]; 2]      second pv-vector

///

/// Returned:

///    amb     [[f64; 3]; 2]      a - b

#[inline]

pub fn pvmpv(a: &[[f64; 3]; 2], b: &[[f64; 3]; 2]) -> [[f64; 3]; 2] {

    let mut amb = [[0.0; 3]; 2];

    amb[0] = pmp(&a[0], &b[0]);

    amb[1] = pmp(&a[1], &b[1]);

    amb

}