llvm/polly/lib/External/isl/isl_val_sioimath.c

#include <isl_val_private.h>

/* Return a reference to an isl_val representing the unsigned
 * integer value stored in the "n" chunks of size "size" at "chunks".
 * The least significant chunk is assumed to be stored first.
 */
__isl_give isl_val *isl_val_int_from_chunks(isl_ctx *ctx, size_t n,
	size_t size, const void *chunks)
{ … }

/* Store a representation of the absolute value of the numerator of "v"
 * in terms of chunks of size "size" at "chunks".
 * The least significant chunk is stored first.
 * The number of chunks in the result can be obtained by calling
 * isl_val_n_abs_num_chunks.  The user is responsible for allocating
 * enough memory to store the results.
 *
 * In the special case of a zero value, isl_val_n_abs_num_chunks will
 * return one, while impz_export will not fill in any chunks.  We therefore
 * do it ourselves.
 */
isl_stat isl_val_get_abs_num_chunks(__isl_keep isl_val *v, size_t size,
	void *chunks)
{ … }

/* Return the number of chunks of size "size" required to
 * store the absolute value of the numerator of "v".
 */
isl_size isl_val_n_abs_num_chunks(__isl_keep isl_val *v, size_t size)
{ … }