--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32utils/nistsecurerng/src/runs.cpp	Fri Jun 11 15:02:23 2010 +0300
@@ -0,0 +1,80 @@
+/*
+* 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.
+*/
+
+#include "openc.h"
+#include "../include/externs.h"
+#include "../include/cephes.h"
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+                              R U N S  T E S T 
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+void
+Runs(int n)
+{
+	int		S, k;
+	double	pi, V, erfc_arg, p_value;
+
+	S = 0;
+	for ( k=0; k<n; k++ )
+		if ( epsilon[k] )
+			S++;
+	pi = (double)S / (double)n;
+
+	if ( fabs(pi - 0.5) > (2.0 / sqrt(n)) ) {
+		fprintf(stats[TEST_RUNS], "\t\t\t\tRUNS TEST\n");
+		fprintf(stats[TEST_RUNS], "\t\t------------------------------------------\n");
+		fprintf(stats[TEST_RUNS], "\t\tPI ESTIMATOR CRITERIA NOT MET! PI = %f\n", pi);
+		p_value = 0.0;
+	}
+	else {
+
+		V = 1;
+		for ( k=1; k<n; k++ )
+			if ( epsilon[k] != epsilon[k-1] )
+				V++;
+	
+		erfc_arg = fabs(V - 2.0 * n * pi * (1-pi)) / (2.0 * pi * (1-pi) * sqrt(2*n));
+		p_value = erfc(erfc_arg);
+		
+		fprintf(stats[TEST_RUNS], "\t\t\t\tRUNS TEST\n");
+		fprintf(stats[TEST_RUNS], "\t\t------------------------------------------\n");
+		fprintf(stats[TEST_RUNS], "\t\tCOMPUTATIONAL INFORMATION:\n");
+		fprintf(stats[TEST_RUNS], "\t\t------------------------------------------\n");
+		fprintf(stats[TEST_RUNS], "\t\t(a) Pi                        = %f\n", pi);
+		fprintf(stats[TEST_RUNS], "\t\t(b) V_n_obs (Total # of runs) = %d\n", (int)V);
+		fprintf(stats[TEST_RUNS], "\t\t(c) V_n_obs - 2 n pi (1-pi)\n");
+		fprintf(stats[TEST_RUNS], "\t\t    -----------------------   = %f\n", erfc_arg);
+		fprintf(stats[TEST_RUNS], "\t\t      2 sqrt(2n) pi (1-pi)\n");
+		fprintf(stats[TEST_RUNS], "\t\t------------------------------------------\n");
+		if ( isNegative(p_value) || isGreaterThanOne(p_value) )
+			fprintf(stats[TEST_RUNS], "WARNING:  P_VALUE IS OUT OF RANGE.\n");
+
+		fprintf(stats[TEST_RUNS], "%s\t\tp_value = %f\n\n", p_value < ALPHA ? "FAILURE" : "SUCCESS", p_value);
+	}
+
+	fprintf(results[TEST_RUNS], "%f\n", p_value);
+}