diff -r 345b1ca54e88 -r 039a3e647356 kerneltest/e32utils/nistsecurerng/src/cephes.cpp
--- a/kerneltest/e32utils/nistsecurerng/src/cephes.cpp	Wed Sep 15 13:42:27 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,357 +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.
-*/
-
-
-
-#include "openc.h"
-#include "../include/cephes.h"
-
-static const double	rel_error = 1E-12;
-
-double MACHEP = 1.11022302462515654042E-16;		// 2**-53
-double MAXLOG = 7.09782712893383996732224E2;	// log(MAXNUM)
-double MAXNUM = 1.7976931348623158E308;			// 2**1024*(1-MACHEP)
-double PI     = 3.14159265358979323846;			// pi, duh!
-
-static double big = 4.503599627370496e15;
-static double biginv =  2.22044604925031308085e-16;
-
-int sgngam = 0;
-
-double
-cephes_igamc(double a, double x)
-{
-	double ans, ax, c, yc, r, t, y, z;
-	double pk, pkm1, pkm2, qk, qkm1, qkm2;
-
-	if ( (x <= 0) || ( a <= 0) )
-		return( 1.0 );
-
-	if ( (x < 1.0) || (x < a) )
-		return( 1.e0 - cephes_igam(a,x) );
-
-	ax = a * log(x) - x - cephes_lgam(a);
-
-	if ( ax < -MAXLOG ) {
-		printf("igamc: UNDERFLOW\n");
-		return 0.0;
-	}
-	ax = exp(ax);
-
-	/* continued fraction */
-	y = 1.0 - a;
-	z = x + y + 1.0;
-	c = 0.0;
-	pkm2 = 1.0;
-	qkm2 = x;
-	pkm1 = x + 1.0;
-	qkm1 = z * x;
-	ans = pkm1/qkm1;
-
-	do {
-		c += 1.0;
-		y += 1.0;
-		z += 2.0;
-		yc = y * c;
-		pk = pkm1 * z  -  pkm2 * yc;
-		qk = qkm1 * z  -  qkm2 * yc;
-		if ( qk != 0 ) {
-			r = pk/qk;
-			t = fabs( (ans - r)/r );
-			ans = r;
-		}
-		else
-			t = 1.0;
-		pkm2 = pkm1;
-		pkm1 = pk;
-		qkm2 = qkm1;
-		qkm1 = qk;
-		if ( fabs(pk) > big ) {
-			pkm2 *= biginv;
-			pkm1 *= biginv;
-			qkm2 *= biginv;
-			qkm1 *= biginv;
-		}
-	} while ( t > MACHEP );
-
-	return ans*ax;
-}
-
-double
-cephes_igam(double a, double x)
-{
-	double ans, ax, c, r;
-
-	if ( (x <= 0) || ( a <= 0) )
-		return 0.0;
-
-	if ( (x > 1.0) && (x > a ) )
-		return 1.e0 - cephes_igamc(a,x);
-
-	/* Compute  x**a * exp(-x) / gamma(a)  */
-	ax = a * log(x) - x - cephes_lgam(a);
-	if ( ax < -MAXLOG ) {
-		printf("igam: UNDERFLOW\n");
-		return 0.0;
-	}
-	ax = exp(ax);
-
-	/* power series */
-	r = a;
-	c = 1.0;
-	ans = 1.0;
-
-	do {
-		r += 1.0;
-		c *= x/r;
-		ans += c;
-	} while ( c/ans > MACHEP );
-
-	return ans * ax/a;
-}
-
-
-/* A[]: Stirling's formula expansion of log gamma
- * B[], C[]: log gamma function between 2 and 3
- */
-static unsigned short A[] = {
-	0x6661,0x2733,0x9850,0x3f4a,
-	0xe943,0xb580,0x7fbd,0xbf43,
-	0x5ebb,0x20dc,0x019f,0x3f4a,
-	0xa5a1,0x16b0,0xc16c,0xbf66,
-	0x554b,0x5555,0x5555,0x3fb5
-};
-static unsigned short B[] = {
-	0x6761,0x8ff3,0x8901,0xc095,
-	0xb93e,0x355b,0xf234,0xc0e2,
-	0x89e5,0xf890,0x3d73,0xc114,
-	0xdb51,0xf994,0xbc82,0xc131,
-	0xf20b,0x0219,0x4589,0xc13a,
-	0x055e,0x5418,0x0c67,0xc12a
-};
-static unsigned short C[] = {
-	/*0x0000,0x0000,0x0000,0x3ff0,*/
-	0x12b2,0x1cf3,0xfd0d,0xc075,
-	0xd757,0x7b89,0xaa0d,0xc0d0,
-	0x4c9b,0xb974,0xeb84,0xc10a,
-	0x0043,0x7195,0x6286,0xc131,
-	0xf34c,0x892f,0x5255,0xc143,
-	0xe14a,0x6a11,0xce4b,0xc13e
-};
-
-#define MAXLGM 2.556348e305
-
-
-/* Logarithm of gamma function */
-double
-cephes_lgam(double x)
-{
-	double	p, q, u, w, z;
-	int		i;
-
-	sgngam = 1;
-
-	if ( x < -34.0 ) {
-		q = -x;
-		w = cephes_lgam(q); /* note this modifies sgngam! */
-		p = floor(q);
-		if ( p == q ) {
-lgsing:
-			goto loverf;
-		}
-		i = (int)p;
-		if ( (i & 1) == 0 )
-			sgngam = -1;
-		else
-			sgngam = 1;
-		z = q - p;
-		if ( z > 0.5 ) {
-			p += 1.0;
-			z = p - q;
-		}
-		z = q * sin( PI * z );
-		if ( z == 0.0 )
-			goto lgsing;
-		/*      z = log(PI) - log( z ) - w;*/
-		z = log(PI) - log( z ) - w;
-		return z;
-	}
-
-	if ( x < 13.0 ) {
-		z = 1.0;
-		p = 0.0;
-		u = x;
-		while ( u >= 3.0 ) {
-			p -= 1.0;
-			u = x + p;
-			z *= u;
-		}
-		while ( u < 2.0 ) {
-			if ( u == 0.0 )
-				goto lgsing;
-			z /= u;
-			p += 1.0;
-			u = x + p;
-		}
-		if ( z < 0.0 ) {
-			sgngam = -1;
-			z = -z;
-		}
-		else
-			sgngam = 1;
-		if ( u == 2.0 )
-			return( log(z) );
-		p -= 2.0;
-		x = x + p;
-		p = x * cephes_polevl( x, (double *)B, 5 ) / cephes_p1evl( x, (double *)C, 6);
-
-		return log(z) + p;
-	}
-
-	if ( x > MAXLGM ) {
-loverf:
-		printf("lgam: OVERFLOW\n");
-
-		return sgngam * MAXNUM;
-	}
-
-	q = ( x - 0.5 ) * log(x) - x + log( sqrt( 2*PI ) );
-	if ( x > 1.0e8 )
-		return q;
-
-	p = 1.0/(x*x);
-	if ( x >= 1000.0 )
-		q += ((   7.9365079365079365079365e-4 * p
-		        - 2.7777777777777777777778e-3) *p
-				+ 0.0833333333333333333333) / x;
-	else
-		q += cephes_polevl( p, (double *)A, 4 ) / x;
-
-	return q;
-}
-
-double
-cephes_polevl(double x, double *coef, int N)
-{
-	double	ans;
-	int		i;
-	double	*p;
-
-	p = coef;
-	ans = *p++;
-	i = N;
-
-	do
-		ans = ans * x  +  *p++;
-	while ( --i );
-
-	return ans;
-}
-
-double
-cephes_p1evl(double x, double *coef, int N)
-{
-	double	ans;
-	double	*p;
-	int		i;
-
-	p = coef;
-	ans = x + *p++;
-	i = N-1;
-
-	do
-		ans = ans * x  + *p++;
-	while ( --i );
-
-	return ans;
-}
-
-double
-cephes_erf(double x)
-{
-	static const double two_sqrtpi = 1.128379167095512574;
-	double	sum = x, term = x, xsqr = x * x;
-	int		j = 1;
-
-	if ( fabs(x) > 2.2 )
-		return 1.0 - cephes_erfc(x);
-
-	do {
-		term *= xsqr/j;
-		sum -= term/(2*j+1);
-		j++;
-		term *= xsqr/j;
-		sum += term/(2*j+1);
-		j++;
-	} while ( fabs(term)/sum > rel_error );
-
-	return two_sqrtpi*sum;
-}
-
-double
-cephes_erfc(double x)
-{
-	static const double one_sqrtpi = 0.564189583547756287;
-	double	a = 1, b = x, c = x, d = x*x + 0.5;
-	double	q1, q2 = b/d, n = 1.0, t;
-
-	if ( fabs(x) < 2.2 )
-		return 1.0 - cephes_erf(x);
-	if ( x < 0 )
-		return 2.0 - cephes_erfc(-x);
-
-	do {
-		t = a*n + b*x;
-		a = b;
-		b = t;
-		t = c*n + d*x;
-		c = d;
-		d = t;
-		n += 0.5;
-		q1 = q2;
-		q2 = b/d;
-	} while ( fabs(q1-q2)/q2 > rel_error );
-
-	return one_sqrtpi*exp(-x*x)*q2;
-}
-
-
-double
-cephes_normal(double x)
-{
-	double arg, result, sqrt2=1.414213562373095048801688724209698078569672;
-
-	if (x > 0) {
-		arg = x/sqrt2;
-		result = 0.5 * ( 1 + erf(arg) );
-	}
-	else {
-		arg = -x/sqrt2;
-		result = 0.5 * ( 1 - erf(arg) );
-	}
-
-	return( result);
-}