include/osl/vector.h

   1
   2     /*+-----------------------------------------------------------------**
   3      **                       OpenScop Library                          **
   4      **-----------------------------------------------------------------**
   5      **                           vector.h                              **
   6      **-----------------------------------------------------------------**
   7      **                   First version: 01/05/2008                     **
   8      **-----------------------------------------------------------------**
   9
  10
  11  *****************************************************************************
  12  * OpenScop: Structures and formats for polyhedral tools to talk together    *
  13  *****************************************************************************
  14  *    ,___,,_,__,,__,,__,,__,,_,__,,_,__,,__,,___,_,__,,_,__,                *
  15  *    /   / /  //  //  //  // /   / /  //  //   / /  // /  /|,_,             *
  16  *   /   / /  //  //  //  // /   / /  //  //   / /  // /  / / /\             *
  17  *  |~~~|~|~~~|~~~|~~~|~~~|~|~~~|~|~~~|~~~|~~~|~|~~~|~|~~~|/_/  \            *
  18  *  | G |C| P | = | L | P |=| = |C| = | = | = |=| = |=| C |\  \ /\           *
  19  *  | R |l| o | = | e | l |=| = |a| = | = | = |=| = |=| L | \# \ /\          *
  20  *  | A |a| l | = | t | u |=| = |n| = | = | = |=| = |=| o | |\# \  \         *
  21  *  | P |n| l | = | s | t |=| = |d| = | = | = | |   |=| o | | \# \  \        *
  22  *  | H | | y |   | e | o | | = |l|   |   | = | |   | | G | |  \  \  \       *
  23  *  | I | |   |   | e |   | |   | |   |   |   | |   | |   | |   \  \  \      *
  24  *  | T | |   |   |   |   | |   | |   |   |   | |   | |   | |    \  \  \     *
  25  *  | E | |   |   |   |   | |   | |   |   |   | |   | |   | |     \  \  \    *
  26  *  | * |*| * | * | * | * |*| * |*| * | * | * |*| * |*| * | /      \* \  \   *
  27  *  | O |p| e | n | S | c |o| p |-| L | i | b |r| a |r| y |/        \  \ /   *
  28  *  '---'-'---'---'---'---'-'---'-'---'---'---'-'---'-'---'          '--'    *
  29  *                                                                           *
  30  * Copyright (C) 2008 University Paris-Sud 11 and INRIA                      *
  31  *                                                                           *
  32  * (3-clause BSD license)                                                    *
  33  * Redistribution and use in source  and binary forms, with or without       *
  34  * modification, are permitted provided that the following conditions        *
  35  * are met:                                                                  *
  36  *                                                                           *
  37  * 1. Redistributions of source code must retain the above copyright notice, *
  38  *    this list of conditions and the following disclaimer.                  *
  39  * 2. Redistributions in binary form must reproduce the above copyright      *
  40  *    notice, this list of conditions and the following disclaimer in the    *
  41  *    documentation and/or other materials provided with the distribution.   *
  42  * 3. The name of the author may not be used to endorse or promote products  *
  43  *    derived from this software without specific prior written permission.  *
  44  *                                                                           *
  45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR      *
  46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES *
  47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   *
  48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,          *
  49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  *
  50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
  51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY     *
  52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT       *
  53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF  *
  54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         *
  55  *                                                                           *
  56  * OpenScop Library, a library to manipulate OpenScop formats and data       *
  57  * structures. Written by:                                                   *
  58  * Cedric Bastoul     <Cedric.Bastoul@u-psud.fr> and                         *
  59  * Louis-Noel Pouchet <Louis-Noel.pouchet@inria.fr>                          *
  60  *                                                                           *
  61  *****************************************************************************/
  62
  63
  64 #ifndef OSL_VECTOR_H
  65 # define OSL_VECTOR_H
  66
  67 # include <stdio.h>
  68 # include <osl/int.h>
  69
  70
  71 # if defined(__cplusplus)
  72 extern "C"
  73   {
  74 # endif
  75
  76
  77 /**
  78  * The osl_vector_t structure stores a vector information in the PolyLib
  79  * format (the first entry has a specific meaning). When a vector
  80  * describes a linear constraint, a 0 means it is an equality == 0, a 1 means
  81  * an inequality >= 0. When the vector describes an array access, a number
  82  * different than 0 is the array identifier.
  83  */
  84 struct osl_vector {
  85   int precision; /**< Precision of the integer elements. */
  86   int size;      /**< Number of vector entries */
  87   void * v;      /**< An array of values */
  88 };
  89 typedef struct osl_vector   osl_vector_t;
  90 typedef struct osl_vector * osl_vector_p;
  91
  92
  93 /*+***************************************************************************
  94  *                          Structure display function                       *
  95  *****************************************************************************/
  96 void         osl_vector_idump(FILE *, osl_vector_p, int);
  97 void         osl_vector_dump(FILE *, osl_vector_p);
  98
  99
 100 /*+***************************************************************************
 101  *                    Memory allocation/deallocation function                *
 102  *****************************************************************************/
 103 osl_vector_p osl_vector_pmalloc(int, int);
 104 osl_vector_p osl_vector_malloc(int);
 105 void         osl_vector_free(osl_vector_p);
 106
 107
 108 /*+***************************************************************************
 109  *                            Processing functions                           *
 110  *****************************************************************************/
 111 osl_vector_p osl_vector_add_scalar(osl_vector_p, int);
 112 osl_vector_p osl_vector_mul_scalar(osl_vector_p, int);
 113 osl_vector_p osl_vector_add(osl_vector_p, osl_vector_p);
 114 osl_vector_p osl_vector_sub(osl_vector_p, osl_vector_p);
 115 void         osl_vector_tag_inequality(osl_vector_p);
 116 void         osl_vector_tag_equality(osl_vector_p);
 117 int          osl_vector_equal(osl_vector_p, osl_vector_p);
 118 int          osl_vector_is_scalar(osl_vector_p);
 119
 120 # if defined(__cplusplus)
 121   }
 122 # endif
 123 #endif /* define OSL_VECTOR_H */