1/*
2 ***********************************************************************
3 * © 2016 and later: Unicode, Inc. and others.
4 * License & terms of use: http://www.unicode.org/copyright.html#License
5 ***********************************************************************
6 ***********************************************************************
7 * Copyright (c) 2011-2012,International Business Machines
8 * Corporation and others.  All Rights Reserved.
9 ***********************************************************************
10 */
11
12#ifndef SIEVE_H
13#define SIEVE_H
14
15#ifndef U_LOTS_OF_TIMES
16#define U_LOTS_OF_TIMES 1000000
17#endif
18
19#include "unicode/utypes.h"
20/**
21 * Calculate the standardized sieve time (1 run)
22 */
23U_INTERNAL double uprv_calcSieveTime(void);
24
25/**
26 * Calculate the mean time, with margin of error
27 * @param times array of times (modified/sorted)
28 * @param timeCount length of array - on return, how many remain after throwing out outliers
29 * @param marginOfError out parameter: gives +/- margin of err at 95% confidence
30 * @return the mean time, or negative if error/imprecision.
31 */
32U_INTERNAL double uprv_getMeanTime(double *times, uint32_t *timeCount, double *marginOfError);
33
34/**
35 * Get the standardized sieve time. (Doesn't recalculate if already computed.
36 * @param marginOfError out parameter: gives +/- margin of error at 95% confidence.
37 * @return the mean time, or negative if error/imprecision.
38 */
39U_INTERNAL double uprv_getSieveTime(double *marginOfError);
40
41#endif
42