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1 /* |
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2 * Portions Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * The original NIST Statistical Test Suite code is placed in public domain. |
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16 * (http://csrc.nist.gov/groups/ST/toolkit/rng/documentation_software.html) |
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17 * |
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18 * This software was developed at the National Institute of Standards and Technology by |
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19 * employees of the Federal Government in the course of their official duties. Pursuant |
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20 * to title 17 Section 105 of the United States Code this software is not subject to |
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21 * copyright protection and is in the public domain. The NIST Statistical Test Suite is |
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22 * an experimental system. NIST assumes no responsibility whatsoever for its use by other |
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23 * parties, and makes no guarantees, expressed or implied, about its quality, reliability, |
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24 * or any other characteristic. We would appreciate acknowledgment if the software is used. |
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25 */ |
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26 |
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27 #include "openc.h" |
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28 #include "../include/externs.h" |
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29 #include "../include/cephes.h" |
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30 #include "../include/matrix.h" |
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31 |
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32 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
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33 R A N K T E S T |
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34 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
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35 |
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36 void |
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37 Rank(int n) |
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38 { |
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39 int N, i, k, r; |
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40 double p_value, product, chi_squared, arg1, p_32, p_31, p_30, R, F_32, F_31, F_30; |
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41 |
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42 N = n/(32*32); |
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43 if ( isZero(N) ) { |
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44 fprintf(stats[TEST_RANK], "\t\t\t\tRANK TEST\n"); |
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45 fprintf(stats[TEST_RANK], "\t\tError: Insuffucient # Of Bits To Define An 32x32 (%dx%d) Matrix\n", 32, 32); |
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46 p_value = 0.00; |
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47 } |
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48 else { |
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49 BitSequence **matrix = create_matrix(32, 32); |
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50 |
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51 r = 32; /* COMPUTE PROBABILITIES */ |
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52 product = 1; |
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53 for ( i=0; i<=r-1; i++ ) |
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54 product *= ((1.e0-pow(2, i-32))*(1.e0-pow(2, i-32)))/(1.e0-pow(2, i-r)); |
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55 p_32 = pow(2, r*(32+32-r)-32*32) * product; |
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56 |
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57 r = 31; |
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58 product = 1; |
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59 for ( i=0; i<=r-1; i++ ) |
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60 product *= ((1.e0-pow(2, i-32))*(1.e0-pow(2, i-32)))/(1.e0-pow(2, i-r)); |
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61 p_31 = pow(2, r*(32+32-r)-32*32) * product; |
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62 |
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63 p_30 = 1 - (p_32+p_31); |
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64 |
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65 F_32 = 0; |
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66 F_31 = 0; |
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67 for ( k=0; k<N; k++ ) { /* FOR EACH 32x32 MATRIX */ |
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68 def_matrix(32, 32, matrix, k); |
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69 #if (DISPLAY_MATRICES == 1) |
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70 display_matrix(32, 32, matrix); |
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71 #endif |
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72 R = computeRank(32, 32, matrix); |
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73 if ( R == 32 ) |
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74 F_32++; /* DETERMINE FREQUENCIES */ |
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75 if ( R == 31 ) |
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76 F_31++; |
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77 } |
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78 F_30 = (double)N - (F_32+F_31); |
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79 |
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80 chi_squared =(pow(F_32 - N*p_32, 2)/(double)(N*p_32) + |
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81 pow(F_31 - N*p_31, 2)/(double)(N*p_31) + |
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82 pow(F_30 - N*p_30, 2)/(double)(N*p_30)); |
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83 |
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84 arg1 = -chi_squared/2.e0; |
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85 |
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86 fprintf(stats[TEST_RANK], "\t\t\t\tRANK TEST\n"); |
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87 fprintf(stats[TEST_RANK], "\t\t---------------------------------------------\n"); |
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88 fprintf(stats[TEST_RANK], "\t\tCOMPUTATIONAL INFORMATION:\n"); |
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89 fprintf(stats[TEST_RANK], "\t\t---------------------------------------------\n"); |
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90 fprintf(stats[TEST_RANK], "\t\t(a) Probability P_%d = %f\n", 32,p_32); |
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91 fprintf(stats[TEST_RANK], "\t\t(b) P_%d = %f\n", 31,p_31); |
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92 fprintf(stats[TEST_RANK], "\t\t(c) P_%d = %f\n", 30,p_30); |
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93 fprintf(stats[TEST_RANK], "\t\t(d) Frequency F_%d = %d\n", 32,(int)F_32); |
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94 fprintf(stats[TEST_RANK], "\t\t(e) F_%d = %d\n", 31,(int)F_31); |
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95 fprintf(stats[TEST_RANK], "\t\t(f) F_%d = %d\n", 30,(int)F_30); |
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96 fprintf(stats[TEST_RANK], "\t\t(g) # of matrices = %d\n", N); |
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97 fprintf(stats[TEST_RANK], "\t\t(h) Chi^2 = %f\n", chi_squared); |
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98 fprintf(stats[TEST_RANK], "\t\t(i) NOTE: %d BITS WERE DISCARDED.\n", n%(32*32)); |
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99 fprintf(stats[TEST_RANK], "\t\t---------------------------------------------\n"); |
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100 |
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101 p_value = exp(arg1); |
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102 if ( isNegative(p_value) || isGreaterThanOne(p_value) ) |
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103 fprintf(stats[TEST_RANK], "WARNING: P_VALUE IS OUT OF RANGE.\n"); |
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104 |
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105 for ( i=0; i<32; i++ ) /* DEALLOCATE MATRIX */ |
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106 free(matrix[i]); |
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107 free(matrix); |
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108 } |
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109 fprintf(stats[TEST_RANK], "%s\t\tp_value = %f\n\n", p_value < ALPHA ? "FAILURE" : "SUCCESS", p_value); |
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110 fprintf(results[TEST_RANK], "%f\n", p_value); |
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111 } |