nalgebra-lapack 0.27.0

Matrix decompositions using nalgebra matrices and Lapack bindings.
Documentation 
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/// Newtype for a LAPACK error code.
#[derive(Debug, Copy, Clone, PartialEq, Eq, thiserror::Error)]
#[error("{0}")]
pub struct LapackErrorCode(pub(crate) i32);

impl PartialEq<i32> for LapackErrorCode {
    #[inline]
    fn eq(&self, other: &i32) -> bool {
        self == &LapackErrorCode(*other)
    }
}

/// Utility function to check the info return value of a LAPACK function.
pub(crate) fn check_lapack_info(info: i32) -> Result<(), LapackErrorCode> {
    if info == 0 {
        Ok(())
    } else {
        Err(LapackErrorCode(info))
    }
}