scuffed-code/icu4c/source/test/perf/howExpensiveIs/sieve.h
Steven R. Loomis 9077d5dc25 ICU-9449 Merge in decimal format performance improvements from branch.
Improvements to 'howExpensiveIs' benchmark test.
Use internal digitlist in Formattable (save mallocs).
Enable fastpath by default.
Enable internal API "parse all input", returning an error if all input was not consumed.

X-SVN-Rev: 32397
2012-09-17 19:03:01 +00:00

38 lines
1.2 KiB
C

/*
**********************************************************************
* Copyright (c) 2011-2012,International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*/
#ifndef SIEVE_H
#define SIEVE_H
#ifndef U_LOTS_OF_TIMES
#define U_LOTS_OF_TIMES 1000000
#endif
#include "unicode/utypes.h"
/**
* Calculate the standardized sieve time (1 run)
*/
U_INTERNAL double uprv_calcSieveTime(void);
/**
* Calculate the mean time, with margin of error
* @param times array of times (modified/sorted)
* @param timeCount length of array - on return, how many remain after throwing out outliers
* @param marginOfError out parameter: gives +/- margin of err at 95% confidence
* @return the mean time, or negative if error/imprecision.
*/
U_INTERNAL double uprv_getMeanTime(double *times, uint32_t *timeCount, double *marginOfError);
/**
* Get the standardized sieve time. (Doesn't recalculate if already computed.
* @param marginOfError out parameter: gives +/- margin of error at 95% confidence.
* @return the mean time, or negative if error/imprecision.
*/
U_INTERNAL double uprv_getSieveTime(double *marginOfError);
#endif