biginteger_utils.h

   1 /* Copyright (c) 2008 Jérémie Laval, Marine Jourdain
   2
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to deal
   5  * in the Software without restriction, including without limitation the rights
   6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7  * copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19  * THE SOFTWARE.
  20  *
  21  */
  22
  23 #include <stdlib.h>
  24 #include "biginteger.h"
  25
  26 #ifndef _BIG_INTEGER_UTILS_H
  27 #define _BIG_INTEGER_UTILS_H
  28
  29 // Macros
  30
  31 #define ATOUI(str) ((unsigned int)strtoul(buffer, NULL, 10))
  32 #define MIN(x, y) (x < y ? x : y)
  33 #define MAX(x, y) (x > y ? x : y)
  34
  35 // Private Function Declaration
  36
  37 BigUnsignedInteger* ReturnNthNode(BigInteger*, int);
  38
  39 BigInteger CreateZeroBigInt();
  40
  41 BigUnsignedInteger* InitBUint(unsigned int);
  42
  43 BigUnsignedInteger* CopyBigInteger(BigInteger source, BigInteger* dest, BigUnsignedInteger* start, int count);
  44
  45 BigUnsignedInteger* CopyBigIntegerFromEnd(BigInteger source, BigInteger* dest, BigUnsignedInteger* start, int count);
  46
  47 BigUnsignedInteger* ReplaceFromEnd(BigInteger* source, BigInteger slice, BigUnsignedInteger* start, int count);
  48
  49 void Clean(BigInteger* b);
  50
  51 void SplitBigInteger(int N, BigInteger base, BigInteger* part1, BigInteger* part2);
  52
  53 void MultiplyByBase(BigInteger* b, int k);
  54
  55 void PrependNode(BigUnsignedInteger*, BigUnsignedInteger*);
  56
  57 void PushFrontNode(BigInteger*, unsigned int);
  58
  59 void PushEndNode(BigInteger*, unsigned int);
  60
  61 void InsertNode(BigInteger*, BigUnsignedInteger*, unsigned int);
  62
  63 unsigned int GetValueAtFromEnd(BigInteger b, int i);
  64
  65 BigInteger mulBigIntByScalar(BigUnsignedInteger* big, unsigned int multiplier);
  66
  67 BigInteger powBigInt(BigInteger b, int n);
  68
  69 // End Private Function Declaration
  70
  71 #endif