Function normalize3

perro_source/core/perro_builtin_meshes/src/lib.rs:538–545

(v: [f32; 3])

#[inline]
fn normalize3(v: [f32; 3]) -> [f32; 3] {
    let len_sq = dot3(v, v);
    if len_sq > 1.0e-12 && len_sq.is_finite() {
        scale3(v, len_sq.sqrt().recip())
    } else {
        [0.0, 0.0, 0.0]
    }
}

#[cfg(test)]
mod tests {