-#include "isl_vec.h"
+/*
+ * Copyright 2008-2009 Katholieke Universiteit Leuven
+ *
+ * Use of this software is governed by the MIT license
+ *
+ * Written by Sven Verdoolaege, K.U.Leuven, Departement
+ * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
+ */
+
+#include <isl_ctx_private.h>
+#include <isl/seq.h>
+#include <isl/vec.h>
+#include <isl_val_private.h>
+
+isl_ctx *isl_vec_get_ctx(__isl_keep isl_vec *vec)
+{
+ return vec ? vec->ctx : NULL;
+}
struct isl_vec *isl_vec_alloc(struct isl_ctx *ctx, unsigned size)
{
return NULL;
vec->block = isl_blk_alloc(ctx, size);
- if (!vec->block.data)
+ if (isl_blk_is_error(vec->block))
goto error;
+ vec->ctx = ctx;
+ isl_ctx_ref(ctx);
vec->ref = 1;
vec->size = size;
+ vec->el = vec->block.data;
return vec;
error:
return NULL;
}
-struct isl_vec *isl_vec_copy(struct isl_ctx *ctx, struct isl_vec *vec)
+__isl_give isl_vec *isl_vec_extend(__isl_take isl_vec *vec, unsigned size)
+{
+ if (!vec)
+ return NULL;
+ if (size <= vec->size)
+ return vec;
+
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+
+ vec->block = isl_blk_extend(vec->ctx, vec->block, size);
+ if (!vec->block.data)
+ goto error;
+
+ vec->size = size;
+ vec->el = vec->block.data;
+
+ return vec;
+error:
+ isl_vec_free(vec);
+ return NULL;
+}
+
+__isl_give isl_vec *isl_vec_zero_extend(__isl_take isl_vec *vec, unsigned size)
+{
+ int extra;
+
+ if (!vec)
+ return NULL;
+ if (size <= vec->size)
+ return vec;
+
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+
+ extra = size - vec->size;
+ vec = isl_vec_extend(vec, size);
+ if (!vec)
+ return NULL;
+
+ isl_seq_clr(vec->el + size - extra, extra);
+
+ return vec;
+}
+
+/* Return a vector containing the elements of "vec1" followed by
+ * those of "vec2".
+ */
+__isl_give isl_vec *isl_vec_concat(__isl_take isl_vec *vec1,
+ __isl_take isl_vec *vec2)
+{
+ if (!vec1 || !vec2)
+ goto error;
+
+ if (vec2->size == 0) {
+ isl_vec_free(vec2);
+ return vec1;
+ }
+
+ if (vec1->size == 0) {
+ isl_vec_free(vec1);
+ return vec2;
+ }
+
+ vec1 = isl_vec_extend(vec1, vec1->size + vec2->size);
+ if (!vec1)
+ goto error;
+
+ isl_seq_cpy(vec1->el + vec1->size - vec2->size, vec2->el, vec2->size);
+
+ isl_vec_free(vec2);
+ return vec1;
+error:
+ isl_vec_free(vec1);
+ isl_vec_free(vec2);
+ return NULL;
+}
+
+struct isl_vec *isl_vec_copy(struct isl_vec *vec)
{
if (!vec)
return NULL;
return vec;
}
-void isl_vec_free(struct isl_ctx *ctx, struct isl_vec *vec)
+struct isl_vec *isl_vec_dup(struct isl_vec *vec)
{
+ struct isl_vec *vec2;
+
if (!vec)
- return;
+ return NULL;
+ vec2 = isl_vec_alloc(vec->ctx, vec->size);
+ if (!vec2)
+ return NULL;
+ isl_seq_cpy(vec2->el, vec->el, vec->size);
+ return vec2;
+}
+
+struct isl_vec *isl_vec_cow(struct isl_vec *vec)
+{
+ struct isl_vec *vec2;
+ if (!vec)
+ return NULL;
+
+ if (vec->ref == 1)
+ return vec;
+
+ vec2 = isl_vec_dup(vec);
+ isl_vec_free(vec);
+ return vec2;
+}
+
+void *isl_vec_free(__isl_take isl_vec *vec)
+{
+ if (!vec)
+ return NULL;
if (--vec->ref > 0)
- return;
+ return NULL;
- isl_blk_free(ctx, vec->block);
+ isl_ctx_deref(vec->ctx);
+ isl_blk_free(vec->ctx, vec->block);
free(vec);
+
+ return NULL;
+}
+
+int isl_vec_size(__isl_keep isl_vec *vec)
+{
+ return vec ? vec->size : -1;
+}
+
+int isl_vec_get_element(__isl_keep isl_vec *vec, int pos, isl_int *v)
+{
+ if (!vec)
+ return -1;
+
+ if (pos < 0 || pos >= vec->size)
+ isl_die(vec->ctx, isl_error_invalid, "position out of range",
+ return -1);
+ isl_int_set(*v, vec->el[pos]);
+ return 0;
+}
+
+/* Extract the element at position "pos" of "vec".
+ */
+__isl_give isl_val *isl_vec_get_element_val(__isl_keep isl_vec *vec, int pos)
+{
+ isl_ctx *ctx;
+
+ if (!vec)
+ return NULL;
+ ctx = isl_vec_get_ctx(vec);
+ if (pos < 0 || pos >= vec->size)
+ isl_die(ctx, isl_error_invalid, "position out of range",
+ return NULL);
+ return isl_val_int_from_isl_int(ctx, vec->el[pos]);
+}
+
+__isl_give isl_vec *isl_vec_set_element(__isl_take isl_vec *vec,
+ int pos, isl_int v)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+ if (pos < 0 || pos >= vec->size)
+ isl_die(vec->ctx, isl_error_invalid, "position out of range",
+ goto error);
+ isl_int_set(vec->el[pos], v);
+ return vec;
+error:
+ isl_vec_free(vec);
+ return NULL;
+}
+
+__isl_give isl_vec *isl_vec_set_element_si(__isl_take isl_vec *vec,
+ int pos, int v)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+ if (pos < 0 || pos >= vec->size)
+ isl_die(vec->ctx, isl_error_invalid, "position out of range",
+ goto error);
+ isl_int_set_si(vec->el[pos], v);
+ return vec;
+error:
+ isl_vec_free(vec);
+ return NULL;
+}
+
+/* Replace the element at position "pos" of "vec" by "v".
+ */
+__isl_give isl_vec *isl_vec_set_element_val(__isl_take isl_vec *vec,
+ int pos, __isl_take isl_val *v)
+{
+ if (!v)
+ return isl_vec_free(vec);
+ if (!isl_val_is_int(v))
+ isl_die(isl_val_get_ctx(v), isl_error_invalid,
+ "expecting integer value", goto error);
+ vec = isl_vec_set_element(vec, pos, v->n);
+ isl_val_free(v);
+ return vec;
+error:
+ isl_val_free(v);
+ return isl_vec_free(vec);
+}
+
+int isl_vec_is_equal(__isl_keep isl_vec *vec1, __isl_keep isl_vec *vec2)
+{
+ if (!vec1 || !vec2)
+ return -1;
+
+ if (vec1->size != vec2->size)
+ return 0;
+
+ return isl_seq_eq(vec1->el, vec2->el, vec1->size);
}
-void isl_vec_dump(struct isl_ctx *ctx, struct isl_vec *vec,
- FILE *out, int indent)
+__isl_give isl_printer *isl_printer_print_vec(__isl_take isl_printer *printer,
+ __isl_keep isl_vec *vec)
{
int i;
- fprintf(out, "%*s[", indent, "");
+
+ if (!printer || !vec)
+ goto error;
+
+ printer = isl_printer_print_str(printer, "[");
for (i = 0; i < vec->size; ++i) {
if (i)
- fprintf(out, ",");
- isl_int_print(out, vec->block.data[i]);
+ printer = isl_printer_print_str(printer, ",");
+ printer = isl_printer_print_isl_int(printer, vec->el[i]);
}
- fprintf(out, "]\n");
+ printer = isl_printer_print_str(printer, "]");
+
+ return printer;
+error:
+ isl_printer_free(printer);
+ return NULL;
+}
+
+void isl_vec_dump(struct isl_vec *vec)
+{
+ isl_printer *printer;
+
+ if (!vec)
+ return;
+
+ printer = isl_printer_to_file(vec->ctx, stderr);
+ printer = isl_printer_print_vec(printer, vec);
+ printer = isl_printer_end_line(printer);
+
+ isl_printer_free(printer);
+}
+
+__isl_give isl_vec *isl_vec_set(__isl_take isl_vec *vec, isl_int v)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+ isl_seq_set(vec->el, v, vec->size);
+ return vec;
+}
+
+__isl_give isl_vec *isl_vec_set_si(__isl_take isl_vec *vec, int v)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+ isl_seq_set_si(vec->el, v, vec->size);
+ return vec;
+}
+
+/* Replace all elements of "vec" by "v".
+ */
+__isl_give isl_vec *isl_vec_set_val(__isl_take isl_vec *vec,
+ __isl_take isl_val *v)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec || !v)
+ goto error;
+ if (!isl_val_is_int(v))
+ isl_die(isl_val_get_ctx(v), isl_error_invalid,
+ "expecting integer value", goto error);
+ isl_seq_set(vec->el, v->n, vec->size);
+ isl_val_free(v);
+ return vec;
+error:
+ isl_vec_free(vec);
+ isl_val_free(v);
+ return NULL;
+}
+
+__isl_give isl_vec *isl_vec_clr(__isl_take isl_vec *vec)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+ isl_seq_clr(vec->el, vec->size);
+ return vec;
+}
+
+void isl_vec_lcm(struct isl_vec *vec, isl_int *lcm)
+{
+ isl_seq_lcm(vec->block.data, vec->size, lcm);
+}
+
+/* Given a rational vector, with the denominator in the first element
+ * of the vector, round up all coordinates.
+ */
+struct isl_vec *isl_vec_ceil(struct isl_vec *vec)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+
+ isl_seq_cdiv_q(vec->el + 1, vec->el + 1, vec->el[0], vec->size - 1);
+
+ isl_int_set_si(vec->el[0], 1);
+
+ return vec;
+}
+
+struct isl_vec *isl_vec_normalize(struct isl_vec *vec)
+{
+ if (!vec)
+ return NULL;
+ isl_seq_normalize(vec->ctx, vec->el, vec->size);
+ return vec;
+}
+
+__isl_give isl_vec *isl_vec_neg(__isl_take isl_vec *vec)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+ isl_seq_neg(vec->el, vec->el, vec->size);
+ return vec;
+}
+
+__isl_give isl_vec *isl_vec_scale(__isl_take isl_vec *vec, isl_int m)
+{
+ if (isl_int_is_one(m))
+ return vec;
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+ isl_seq_scale(vec->el, vec->el, m, vec->size);
+ return vec;
+}
+
+/* Reduce the elements of "vec" modulo "m".
+ */
+__isl_give isl_vec *isl_vec_fdiv_r(__isl_take isl_vec *vec, isl_int m)
+{
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+
+ isl_seq_fdiv_r(vec->el, vec->el, m, vec->size);
+
+ return vec;
+}
+
+__isl_give isl_vec *isl_vec_add(__isl_take isl_vec *vec1,
+ __isl_take isl_vec *vec2)
+{
+ vec1 = isl_vec_cow(vec1);
+ if (!vec1 || !vec2)
+ goto error;
+
+ isl_assert(vec1->ctx, vec1->size == vec2->size, goto error);
+
+ isl_seq_combine(vec1->el, vec1->ctx->one, vec1->el,
+ vec1->ctx->one, vec2->el, vec1->size);
+
+ isl_vec_free(vec2);
+ return vec1;
+error:
+ isl_vec_free(vec1);
+ isl_vec_free(vec2);
+ return NULL;
+}
+
+static int qsort_int_cmp(const void *p1, const void *p2)
+{
+ const isl_int *i1 = (const isl_int *) p1;
+ const isl_int *i2 = (const isl_int *) p2;
+
+ return isl_int_cmp(*i1, *i2);
+}
+
+__isl_give isl_vec *isl_vec_sort(__isl_take isl_vec *vec)
+{
+ if (!vec)
+ return NULL;
+
+ qsort(vec->el, vec->size, sizeof(*vec->el), &qsort_int_cmp);
+
+ return vec;
+}
+
+__isl_give isl_vec *isl_vec_drop_els(__isl_take isl_vec *vec,
+ unsigned pos, unsigned n)
+{
+ if (n == 0)
+ return vec;
+ vec = isl_vec_cow(vec);
+ if (!vec)
+ return NULL;
+
+ if (pos + n > vec->size)
+ isl_die(vec->ctx, isl_error_invalid,
+ "range out of bounds", goto error);
+
+ if (pos + n != vec->size)
+ isl_seq_cpy(vec->el + pos, vec->el + pos + n,
+ vec->size - pos - n);
+
+ vec->size -= n;
+
+ return vec;
+error:
+ isl_vec_free(vec);
+ return NULL;
+}
+
+__isl_give isl_vec *isl_vec_insert_els(__isl_take isl_vec *vec,
+ unsigned pos, unsigned n)
+{
+ isl_vec *ext = NULL;
+
+ if (n == 0)
+ return vec;
+ if (!vec)
+ return NULL;
+
+ if (pos > vec->size)
+ isl_die(vec->ctx, isl_error_invalid,
+ "position out of bounds", goto error);
+
+ ext = isl_vec_alloc(vec->ctx, vec->size + n);
+ if (!ext)
+ goto error;
+
+ isl_seq_cpy(ext->el, vec->el, pos);
+ isl_seq_cpy(ext->el + pos + n, vec->el + pos, vec->size - pos);
+
+ isl_vec_free(vec);
+ return ext;
+error:
+ isl_vec_free(vec);
+ isl_vec_free(ext);
+ return NULL;
+}
+
+__isl_give isl_vec *isl_vec_insert_zero_els(__isl_take isl_vec *vec,
+ unsigned pos, unsigned n)
+{
+ vec = isl_vec_insert_els(vec, pos, n);
+ if (!vec)
+ return NULL;
+
+ isl_seq_clr(vec->el + pos, n);
+
+ return vec;
}
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