zsolve/vector.h

   1 /*
   2 4ti2 -- A software package for algebraic, geometric and combinatorial
   3 problems on linear spaces.
   4
   5 Copyright (C) 2006 4ti2 team.
   6 Main author(s): Matthias Walter.
   7
   8 This program is free software; you can redistribute it and/or
   9 modify it under the terms of the GNU General Public License
  10 as published by the Free Software Foundation; either version 2
  11 of the License, or (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21 */
  22
  23 #ifndef _VECTOR_H
  24 #define _VECTOR_H
  25
  26 #include <stdio.h>
  27
  28 #include "defs.h"
  29
  30 typedef int vector_t;
  31 typedef vector_t *Vector;
  32
  33 Vector createVector(int);
  34 /* Allocate memory (size) */
  35
  36 Vector createZeroVector(int);
  37 /* Allocate memory and fill it with zeros */
  38
  39 void deleteVector(Vector);
  40 /* Free memory (vector) */
  41
  42 Vector copyVector(Vector, int);
  43 /* Allocate memory and copy from a given vector (given vector, size) */
  44
  45 void fprintVector(FILE *, Vector, int);
  46 /* Print to stream (stream, vector, size) */
  47
  48 void printVector(Vector, int);
  49 /* Print to stdout (vector, size) */
  50
  51 Vector readVector(FILE *, int);
  52 /* Read from stream (stream, size) */
  53
  54 int normVector(Vector, int);
  55 /* L1-norm (vector, size) */
  56
  57 void swapVector(Vector, int, int);
  58 /* Swap vector[a] and vector[b] (vector, a, b) */
  59
  60 int gcdVector(Vector, int);
  61 /* gcd of all numbers (vector, size) */
  62
  63 int lexCompareInverseVector(Vector, int);
  64 /* lexicographically compare vector and its inverse */
  65
  66 #endif