stats.h

来自「MPICH是MPI的重要研究,提供了一系列的接口函数,为并行计算的实现提供了编程」· C头文件 代码 · 共 63 行

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/*   Simple stats stuff   Ed Karrels   Argonne National Laboratory*/#ifndef STATS_H_#define STATS_H_typedef struct {  double sum;  double sum_sq;  double max, min;  int n;} statData;#ifndef ANSI_ARGS#if defined(__STDC__) || defined(__cplusplus) || defined(HAVE_PROTOTYPES)#define ANSI_ARGS(a) a#else#define ANSI_ARGS(a) ()#endif#endif  /* initialize stats structure */statData *Stats_Create ANSI_ARGS((void));  /* add a data point */int Stats_Add ANSI_ARGS(( statData *stats, double x ));  /* add an array of data points */int Stats_AddArray ANSI_ARGS(( statData *stats, double *nums, int n ));  /* get the # of data points */int Stats_N ANSI_ARGS(( statData *stats ));  /* get the sum of the data points */double Stats_Sum ANSI_ARGS(( statData *stats ));  /* get the sum of the data points */double Stats_Min ANSI_ARGS(( statData *stats ));  /* get the sum of the data points */double Stats_Max ANSI_ARGS(( statData *stats ));  /* get the average of the data */double Stats_Av ANSI_ARGS(( statData *stats ));  /* get the standard deviation of the data */double Stats_StdDev ANSI_ARGS(( statData *stats ));  /* clear the stats data */int Stats_Reset ANSI_ARGS(( statData *stats ));  /* close the stats data */int Stats_Close ANSI_ARGS(( statData *stats ));#endif  /* #ifndef STATS_H_ */

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