pub fn gmres() -> Self {
        SparseIterativeMethod {
            // SAFETY: ffi function constructs a Copy type.
            method: unsafe { ffi::SparseGMRESDefault() },
        }
    }
/// Constructs a new GMRES iterative method with default options.
Constructs a new GMRES iterative method with default options.
Constructs a new GMRES iterative method with default options .
pub fn gmres() -> Self {
        SparseIterativeMethod {
            // SAFETY: ffi function constructs a Copy type.
            method: unsafe { ffi::SparseGMRESDefault() },
        }
    }
pub fn gmres ( ) -> Self { SparseIterativeMethod { // SAFETY: ffi function constructs a Copy type. method : unsafe { ffi :: SparseGMRESDefault ( ) } , } }
Constructs a new GMRES iterative method with default options.
Constructs a new GMRES iterative method with default options .