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83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
/* Copyright (C) 2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef RANDOM_H
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#define RANDOM_H
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/***************************************************************
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* I N C L U D E D F I L E S *
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***************************************************************/
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/***************************************************************
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* M A C R O S *
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***************************************************************/
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/***************************************************************/
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/* C O N S T A N T S */
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/***************************************************************/
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/***************************************************************
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* D A T A S T R U C T U R E S *
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***************************************************************/
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typedef struct {
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unsigned int length;
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unsigned int *values;
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unsigned int currentIndex;
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}RandomSequence;
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typedef struct {
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unsigned int length;
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unsigned int value;
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}SequenceValues;
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/***************************************************************
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* P U B L I C F U N C T I O N S *
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***************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern double getTps(unsigned int count, double timeValue);
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/*----------------------------*/
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/* Random Sequences Functions */
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/*----------------------------*/
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extern int initSequence(RandomSequence *seq, SequenceValues *inputValues);
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extern unsigned int getNextRandom(RandomSequence *seq);
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extern void printSequence(RandomSequence *seq, unsigned int numPerRow);
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/*---------------------------------------------------*/
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/* Code from the glibc, to make sure the same random */
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/* number generator is used by all */
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/*---------------------------------------------------*/
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extern void myRandom48Init(long int seedval);
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extern long int myRandom48(unsigned int maxValue);
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#ifdef __cplusplus
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}
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#endif
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/***************************************************************
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* E X T E R N A L D A T A *
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***************************************************************/
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#endif /* RANDOM_H */
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