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#include <isl/mat.h>
struct isl_mat {
int ref;
struct isl_ctx *ctx;
#define ISL_MAT_BORROWED (1 << 0)
unsigned flags;
unsigned n_row;
unsigned n_col;
isl_int **row;
/* actual size of the rows in memory; n_col <= max_col */
unsigned max_col;
struct isl_blk block;
};
__isl_give isl_mat *isl_mat_sub_alloc(__isl_keep isl_mat *mat,
unsigned first_row, unsigned n_row, unsigned first_col, unsigned n_col);
__isl_give isl_mat *isl_mat_sub_alloc6(isl_ctx *ctx, isl_int **row,
unsigned first_row, unsigned n_row, unsigned first_col, unsigned n_col);
void isl_mat_sub_copy(struct isl_ctx *ctx, isl_int **dst, isl_int **src,
unsigned n_row, unsigned dst_col, unsigned src_col, unsigned n_col);
void isl_mat_sub_neg(struct isl_ctx *ctx, isl_int **dst, isl_int **src,
unsigned n_row, unsigned dst_col, unsigned src_col, unsigned n_col);
__isl_give isl_mat *isl_mat_diag(isl_ctx *ctx, unsigned n_row, isl_int d);
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