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42 lines
1.4 KiB
42 lines
1.4 KiB
4 months ago
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/*
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***********************************************************************
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* © 2016 and later: Unicode, Inc. and others.
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* License & terms of use: http://www.unicode.org/copyright.html
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***********************************************************************
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***********************************************************************
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* Copyright (c) 2011-2012,International Business Machines
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* Corporation and others. All Rights Reserved.
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***********************************************************************
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*/
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#ifndef SIEVE_H
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#define SIEVE_H
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#ifndef U_LOTS_OF_TIMES
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#define U_LOTS_OF_TIMES 1000000
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#endif
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#include "unicode/utypes.h"
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/**
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* Calculate the standardized sieve time (1 run)
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*/
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U_CAPI double uprv_calcSieveTime(void);
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/**
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* Calculate the mean time, with margin of error
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* @param times array of times (modified/sorted)
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* @param timeCount length of array - on return, how many remain after throwing out outliers
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* @param marginOfError out parameter: gives +/- margin of err at 95% confidence
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* @return the mean time, or negative if error/imprecision.
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*/
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U_CAPI double uprv_getMeanTime(double *times, uint32_t *timeCount, double *marginOfError);
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/**
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* Get the standardized sieve time. (Doesn't recalculate if already computed.
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* @param marginOfError out parameter: gives +/- margin of error at 95% confidence.
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* @return the mean time, or negative if error/imprecision.
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*/
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U_CAPI double uprv_getSieveTime(double *marginOfError);
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#endif
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