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//! Links to `echelonform.h`
use libc;
use crate::misc::Rci;
use crate::mzd::Mzd;
extern "C" {
/// (Reduced) row echelon form
///
/// A: matrix
/// full: return the reduced row echelon form, not only upper
/// triangular form.
///
/// Return: Rank of A
pub fn mzd_echelonize(a: *mut Mzd, full: libc::c_int) -> Rci;
/// (Reduced) row echelon form using PLUQ factorisation
///
/// A: matrix
/// full: return the reduced row echelon form, not only upper
/// triangular form.
///
/// See `mzd_pluq()`
///
/// Return: Rank of A
pub fn mzd_echelonize_pluq(a: *mut Mzd, full: libc::c_int) -> Rci;
/// Matrix elimination using the method of the four russians
///
/// A: matrix to be reduced
/// full: return the reduced row echelon form, not only upper triangular form
/// k: M4RI parameter, set 0 for auto-choose
///
/// Return: rank of A
pub fn mzd_echelonize_m4ri(a: *mut Mzd, full: libc::c_int, k: libc::c_int) -> Rci;
}