* --------------------Loader and saver of niftis, as well the function that takes a resulting (from inference matrix/vector) and creates a nii out of

load file into buffer that already has the correct allocated size. Returns error code.*/

returns negative value on error. This should be pure C compatible, so no fstat. */

write given buffer to the file, overwriting the file, it doesn't append to it.*/

\returns an expression of the matrix L, internally stored as supernodes * The only operation available with this expression is the triangular so

\returns an expression of the matrix L, internally stored as supernodes * The only operation available with this expression is the triangular so

\returns the sparse triangular factor R. It is a sparse matrix */

\returns the sparse triangular factor R. It is a sparse matrix */

\returns the matrix \b Z. */

\returns the matrix \b Z. */

\returns the absolute value of the biggest pivot, i.e. the biggest * diagonal coefficient of U. */

\returns the absolute value of the biggest pivot, i.e. the biggest * diagonal coefficient of U. */

\returns the number of nonzero pivots in the LU decomposition. * Here nonzero is meant in the exact sense, not in a fuzzy sense. * So that

\returns the number of nonzero pivots in the LU decomposition. * Here nonzero is meant in the exact sense, not in a fuzzy sense. * So that

* Return the number of supernodes */

* Return the number of supernodes */

Paeth predicter, used by PNG filter type 4 The parameters are of type short, but should come from unsigned chars, the shorts are only needed to make