diff -r 345b1ca54e88 -r 039a3e647356 kerneltest/e32utils/nistsecurerng/src/longestrunofones.cpp --- a/kerneltest/e32utils/nistsecurerng/src/longestrunofones.cpp Wed Sep 15 13:42:27 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,142 +0,0 @@ -/* -* Portions Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of "Eclipse Public License v1.0" -* which accompanies this distribution, and is available -* at the URL "http://www.eclipse.org/legal/epl-v10.html". -* -* Initial Contributors: -* Nokia Corporation - initial contribution. -* -* Contributors: -* -* Description: -* The original NIST Statistical Test Suite code is placed in public domain. -* (http://csrc.nist.gov/groups/ST/toolkit/rng/documentation_software.html) -* -* This software was developed at the National Institute of Standards and Technology by -* employees of the Federal Government in the course of their official duties. Pursuant -* to title 17 Section 105 of the United States Code this software is not subject to -* copyright protection and is in the public domain. The NIST Statistical Test Suite is -* an experimental system. NIST assumes no responsibility whatsoever for its use by other -* parties, and makes no guarantees, expressed or implied, about its quality, reliability, -* or any other characteristic. We would appreciate acknowledgment if the software is used. -*/ - -/* got rid of unused 'k' */ - -#include "openc.h" -#include "../include/externs.h" -#include "../include/cephes.h" - -/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * - L O N G E S T R U N S T E S T - * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ - -void -LongestRunOfOnes(int n) -{ - double pval, chi2, pi[7]; - int run, v_n_obs, N, i, j, K, M, V[7]; - unsigned int nu[7] = { 0, 0, 0, 0, 0, 0, 0 }; - - if ( n < 128 ) { - fprintf(stats[TEST_LONGEST_RUN], "\t\t\t LONGEST RUNS OF ONES TEST\n"); - fprintf(stats[TEST_LONGEST_RUN], "\t\t---------------------------------------------\n"); - fprintf(stats[TEST_LONGEST_RUN], "\t\t n=%d is too short\n", n); - return; - } - if ( n < 6272 ) { - K = 3; - M = 8; - V[0] = 1; V[1] = 2; V[2] = 3; V[3] = 4; - pi[0] = 0.21484375; - pi[1] = 0.3671875; - pi[2] = 0.23046875; - pi[3] = 0.1875; - } - else if ( n < 750000 ) { - K = 5; - M = 128; - V[0] = 4; V[1] = 5; V[2] = 6; V[3] = 7; V[4] = 8; V[5] = 9; - pi[0] = 0.1174035788; - pi[1] = 0.242955959; - pi[2] = 0.249363483; - pi[3] = 0.17517706; - pi[4] = 0.102701071; - pi[5] = 0.112398847; - } - else { - K = 6; - M = 10000; - V[0] = 10; V[1] = 11; V[2] = 12; V[3] = 13; V[4] = 14; V[5] = 15; V[6] = 16; - pi[0] = 0.0882; - pi[1] = 0.2092; - pi[2] = 0.2483; - pi[3] = 0.1933; - pi[4] = 0.1208; - pi[5] = 0.0675; - pi[6] = 0.0727; - } - - N = n/M; - for ( i=0; i v_n_obs ) - v_n_obs = run; - } - else - run = 0; - } - if ( v_n_obs < V[0] ) - nu[0]++; - for ( j=0; j<=K; j++ ) { - if ( v_n_obs == V[j] ) - nu[j]++; - } - if ( v_n_obs > V[K] ) - nu[K]++; - } - - chi2 = 0.0; - for ( i=0; i<=K; i++ ) - chi2 += ((nu[i] - N * pi[i]) * (nu[i] - N * pi[i])) / (N * pi[i]); - - pval = cephes_igamc((double)(K/2.0), chi2 / 2.0); - - fprintf(stats[TEST_LONGEST_RUN], "\t\t\t LONGEST RUNS OF ONES TEST\n"); - fprintf(stats[TEST_LONGEST_RUN], "\t\t---------------------------------------------\n"); - fprintf(stats[TEST_LONGEST_RUN], "\t\tCOMPUTATIONAL INFORMATION:\n"); - fprintf(stats[TEST_LONGEST_RUN], "\t\t---------------------------------------------\n"); - fprintf(stats[TEST_LONGEST_RUN], "\t\t(a) N (# of substrings) = %d\n", N); - fprintf(stats[TEST_LONGEST_RUN], "\t\t(b) M (Substring Length) = %d\n", M); - fprintf(stats[TEST_LONGEST_RUN], "\t\t(c) Chi^2 = %f\n", chi2); - fprintf(stats[TEST_LONGEST_RUN], "\t\t---------------------------------------------\n"); - fprintf(stats[TEST_LONGEST_RUN], "\t\t F R E Q U E N C Y\n"); - fprintf(stats[TEST_LONGEST_RUN], "\t\t---------------------------------------------\n"); - - if ( K == 3 ) { - fprintf(stats[TEST_LONGEST_RUN], "\t\t <=1 2 3 >=4 P-value Assignment"); - fprintf(stats[TEST_LONGEST_RUN], "\n\t\t %3d %3d %3d %3d ", nu[0], nu[1], nu[2], nu[3]); - } - else if ( K == 5 ) { - fprintf(stats[TEST_LONGEST_RUN], "\t\t<=4 5 6 7 8 >=9 P-value Assignment"); - fprintf(stats[TEST_LONGEST_RUN], "\n\t\t %3d %3d %3d %3d %3d %3d ", nu[0], nu[1], nu[2], - nu[3], nu[4], nu[5]); - } - else { - fprintf(stats[TEST_LONGEST_RUN],"\t\t<=10 11 12 13 14 15 >=16 P-value Assignment"); - fprintf(stats[TEST_LONGEST_RUN],"\n\t\t %3d %3d %3d %3d %3d %3d %3d ", nu[0], nu[1], nu[2], - nu[3], nu[4], nu[5], nu[6]); - } - if ( isNegative(pval) || isGreaterThanOne(pval) ) - fprintf(stats[TEST_LONGEST_RUN], "WARNING: P_VALUE IS OUT OF RANGE.\n"); - - fprintf(stats[TEST_LONGEST_RUN], "%s\t\tp_value = %f\n\n", pval < ALPHA ? "FAILURE" : "SUCCESS", pval); - fprintf(results[TEST_LONGEST_RUN], "%f\n", pval); -}