/*++

Copyright (c) 1995  Microsoft Corporation

Module Name

   stats.h

Abstract:

    Header file for Statistics module stats.c

Author:

   Dan Almosnino   (danalm)  20-Nov-1995
   Wrote it.

Enviornment:

   User Mode

Revision History:

++*/


#define HI_FILTER         3
#define LO_FILTER        1
#define HI_LO_FILTER    2
#define NO_FILTER        0
#define HIGH_FILTER        HI_FILTER
#define LOW_FILTER        LO_FILTER
#define    HILO_FILTER        HI_LO_FILTER
#define HIGH_LOW_FILTER    HI_LO_FILTER


typedef struct _TEST_STATS
{
    double     Average;
    double     StdDev;
    double  Minimum_Result;
    double  Maximum_Result;
    long       NumSamplesValid;

}TEST_STATS, *PTEST_STATS;


BOOL
Get_Stats(
    double         *array,
    long         num_samples,
    const         filter_option,
    long         var_limit,
    PTEST_STATS stats);

BOOL
GetAverage(
    double Sample_Array[],
    long No_Samples,
    double *Average);

BOOL
GetStdDev(
    double Sample_Array[],
    double Average,
    long No_Samples,
    double *varcoef);

void
SortUp(
    double *array,
    long array_size);

BOOL
FilterResults(
    double Sorted_Array[],
    double *tmpAverage,
    double *tmpSD,
    long *tmpNumSamples,
    long limit,
    const filter_option);