1 /* 2 Copyright (C) 2003, 2005, 2006 MySQL AB 3 All rights reserved. Use is subject to license terms. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License, version 2.0, 7 as published by the Free Software Foundation. 8 9 This program is also distributed with certain software (including 10 but not limited to OpenSSL) that is licensed under separate terms, 11 as designated in a particular file or component or in included license 12 documentation. The authors of MySQL hereby grant you an additional 13 permission to link the program and your derivative works with the 14 separately licensed software that they have included with MySQL. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License, version 2.0, for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 24 */ 25 26 #ifndef RANDOM_H 27 #define RANDOM_H 28 29 /*************************************************************** 30 * I N C L U D E D F I L E S * 31 ***************************************************************/ 32 33 /*************************************************************** 34 * M A C R O S * 35 ***************************************************************/ 36 37 /***************************************************************/ 38 /* C O N S T A N T S */ 39 /***************************************************************/ 40 41 42 /*************************************************************** 43 * D A T A S T R U C T U R E S * 44 ***************************************************************/ 45 46 typedef struct { 47 unsigned int length; 48 unsigned int *values; 49 unsigned int currentIndex; 50 }RandomSequence; 51 52 typedef struct { 53 unsigned int length; 54 unsigned int value; 55 }SequenceValues; 56 57 /*************************************************************** 58 * P U B L I C F U N C T I O N S * 59 ***************************************************************/ 60 61 #ifdef __cplusplus 62 extern "C" { 63 #endif 64 65 66 extern double getTps(unsigned int count, double timeValue); 67 68 /*----------------------------*/ 69 /* Random Sequences Functions */ 70 /*----------------------------*/ 71 extern int initSequence(RandomSequence *seq, SequenceValues *inputValues); 72 extern unsigned int getNextRandom(RandomSequence *seq); 73 extern void printSequence(RandomSequence *seq, unsigned int numPerRow); 74 75 /*---------------------------------------------------*/ 76 /* Code from the glibc, to make sure the same random */ 77 /* number generator is used by all */ 78 /*---------------------------------------------------*/ 79 extern void myRandom48Init(long int seedval); 80 extern long int myRandom48(unsigned int maxValue); 81 82 #ifdef __cplusplus 83 } 84 #endif 85 86 /*************************************************************** 87 * E X T E R N A L D A T A * 88 ***************************************************************/ 89 90 91 92 #endif /* RANDOM_H */ 93 94