Date: Sun, 5 Jun 2011 16:02:37 +0200 From: Oliver Pinter <oliver.pntr@gmail.com> To: David Schultz <das@freebsd.org> Cc: ports@freebsd.org, svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-8@freebsd.org Subject: Re: svn commit: r219323 - in stable/8/lib/msun: . man src Message-ID: <BANLkTinX_DA-v%2B-1XLhb3K9yncOtFX5O-w@mail.gmail.com> In-Reply-To: <201103060849.p268nitH091290@svn.freebsd.org> References: <201103060849.p268nitH091290@svn.freebsd.org>
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--00151758b0ac6fc0e904a4f770a2 Content-Type: text/plain; charset=ISO-8859-1 On 3/6/11, David Schultz <das@freebsd.org> wrote: > Author: das > Date: Sun Mar 6 08:49:44 2011 > New Revision: 219323 > URL: http://svn.freebsd.org/changeset/base/219323 > > Log: > MFC > r216210: refactor log(3) > r216211: add log2(3) and log2f(3) > > Added: > stable/8/lib/msun/src/e_log2.c > - copied unchanged from r216211, head/lib/msun/src/e_log2.c > stable/8/lib/msun/src/e_log2f.c > - copied unchanged from r216211, head/lib/msun/src/e_log2f.c > stable/8/lib/msun/src/k_log.h > - copied unchanged from r216210, head/lib/msun/src/k_log.h > stable/8/lib/msun/src/k_logf.h > - copied unchanged from r216210, head/lib/msun/src/k_logf.h > Modified: > stable/8/lib/msun/Makefile > stable/8/lib/msun/Symbol.map > stable/8/lib/msun/man/log.3 > stable/8/lib/msun/man/math.3 > stable/8/lib/msun/src/math.h > stable/8/lib/msun/src/math_private.h > Directory Properties: > stable/8/lib/msun/ (props changed) > > Modified: stable/8/lib/msun/Makefile > ============================================================================== > --- stable/8/lib/msun/Makefile Sun Mar 6 08:35:50 2011 (r219322) > +++ stable/8/lib/msun/Makefile Sun Mar 6 08:49:44 2011 (r219323) > @@ -45,7 +45,8 @@ COMMON_SRCS= b_exp.c b_log.c b_tgamma.c > e_expf.c e_fmod.c e_fmodf.c e_gamma.c e_gamma_r.c e_gammaf.c \ > e_gammaf_r.c e_hypot.c e_hypotf.c e_j0.c e_j0f.c e_j1.c e_j1f.c \ > e_jn.c e_jnf.c e_lgamma.c e_lgamma_r.c e_lgammaf.c e_lgammaf_r.c \ > - e_log.c e_log10.c e_log10f.c e_logf.c e_pow.c e_powf.c e_rem_pio2.c \ > + e_log.c e_log10.c e_log10f.c e_log2.c e_log2f.c e_logf.c \ > + e_pow.c e_powf.c e_rem_pio2.c \ > e_rem_pio2f.c e_remainder.c e_remainderf.c e_scalb.c e_scalbf.c \ > e_sinh.c e_sinhf.c e_sqrt.c e_sqrtf.c fenv.c \ > k_cos.c k_cosf.c k_rem_pio2.c k_sin.c k_sinf.c \ > @@ -164,7 +165,7 @@ MLINKS+=j0.3 j1.3 j0.3 jn.3 j0.3 y0.3 j0 > MLINKS+=j0.3 j0f.3 j0.3 j1f.3 j0.3 jnf.3 j0.3 y0f.3 j0.3 ynf.3 > MLINKS+=lgamma.3 gamma.3 lgamma.3 gammaf.3 lgamma.3 lgammaf.3 \ > lgamma.3 tgamma.3 lgamma.3 tgammaf.3 > -MLINKS+=log.3 log10.3 log.3 log10f.3 log.3 log1p.3 log.3 log1pf.3 log.3 > logf.3 > +MLINKS+=log.3 log10.3 log.3 log10f.3 log.3 log1p.3 log.3 log1pf.3 log.3 > logf.3 log.3 log2.3 log.3 log2f.3 > MLINKS+=lrint.3 llrint.3 lrint.3 llrintf.3 lrint.3 llrintl.3 \ > lrint.3 lrintf.3 lrint.3 lrintl.3 > MLINKS+=lround.3 llround.3 lround.3 llroundf.3 lround.3 llroundl.3 \ > > Modified: stable/8/lib/msun/Symbol.map > ============================================================================== > --- stable/8/lib/msun/Symbol.map Sun Mar 6 08:35:50 2011 (r219322) > +++ stable/8/lib/msun/Symbol.map Sun Mar 6 08:49:44 2011 (r219323) > @@ -218,3 +218,10 @@ FBSD_1.1 { > cprojf; > cprojl; > }; > + > +/* First added in 9.0-CURRENT */ > +FBSD_1.2 { > + __isnanf; > + log2; > + log2f; > +}; > > Modified: stable/8/lib/msun/man/log.3 > ============================================================================== > --- stable/8/lib/msun/man/log.3 Sun Mar 6 08:35:50 2011 (r219322) > +++ stable/8/lib/msun/man/log.3 Sun Mar 6 08:49:44 2011 (r219323) > @@ -1,4 +1,4 @@ > -.\" Copyright (c) 2008 David Schultz <das@FreeBSD.org> > +.\" Copyright (c) 2008-2010 David Schultz <das@FreeBSD.org> > .\" All rights reserved. > .\" > .\" Redistribution and use in source and binary forms, with or without > @@ -24,7 +24,7 @@ > .\" > .\" $FreeBSD$ > .\" > -.Dd January 17, 2008 > +.Dd December 5, 2010 > .Dt LOG 3 > .Os > .Sh NAME > @@ -33,6 +33,8 @@ > .Nm logl , > .Nm log10 , > .Nm log10f , > +.Nm log2 , > +.Nm log2f , > .Nm log1p , > .Nm log1pf > .Nd logarithm functions > @@ -49,6 +51,10 @@ > .Ft float > .Fn log10f "float x" > .Ft double > +.Fn log2 "double x" > +.Ft float > +.Fn log2f "float x" > +.Ft double > .Fn log1p "double x" > .Ft float > .Fn log1pf "float x" > @@ -65,6 +71,12 @@ The > and > .Fn log10f > functions compute the logarithm base 10 of > +.Fa x , > +while > +.Fn log2 > +and > +.Fn log2f > +compute the logarithm base 2 of > .Fa x . > .Pp > The > @@ -97,6 +109,8 @@ The > .Fn logf , > .Fn log10 , > .Fn log10f , > +.Fn log2 , > +.Fn log2f , > .Fn log1p , > and > .Fn log1pf > > Modified: stable/8/lib/msun/man/math.3 > ============================================================================== > --- stable/8/lib/msun/man/math.3 Sun Mar 6 08:35:50 2011 (r219322) > +++ stable/8/lib/msun/man/math.3 Sun Mar 6 08:49:44 2011 (r219323) > @@ -28,7 +28,7 @@ > .\" from: @(#)math.3 6.10 (Berkeley) 5/6/91 > .\" $FreeBSD$ > .\" > -.Dd December 16, 2007 > +.Dd December 5, 2010 > .Dt MATH 3 > .Os > .if n \{\ > @@ -185,7 +185,7 @@ lgamma log gamma function > log natural logarithm > log10 logarithm to base 10 > log1p log(1+x) > -.\" log2 base 2 logarithm > +log2 base 2 logarithm > pow exponential x**y > sin trigonometric function > sinh hyperbolic function > @@ -197,7 +197,7 @@ y1 Bessel function of the second kind of > yn Bessel function of the second kind of the order n > .El > .Pp > -Unlike the algebraic functions listed earlier, the routines > +The routines > in this section may not produce a result that is correctly rounded, > so reproducible results cannot be guaranteed across platforms. > For most of these functions, however, incorrect rounding occurs > @@ -224,18 +224,20 @@ and > values, were written for or imported into subsequent versions of FreeBSD. > .Sh BUGS > The > -.Fn log2 > -function is missing, and many functions are not available in their > +.Fn cbrt > +function and many of the transcendental functions > +are not available in their > .Vt "long double" > variants. > .Pp > Many of the routines to compute transcendental functions produce > inaccurate results in other than the default rounding mode. > .Pp > -On some architectures, trigonometric argument reduction is not > -performed accurately, resulting in errors greater than 1 > +On the i386 platform, trigonometric argument reduction is not > +performed accurately for very large arguments, resulting in errors > +greater than 1 > .Em ulp > -for large arguments to > +for such arguments to > .Fn cos , > .Fn sin , > and > > Copied: stable/8/lib/msun/src/e_log2.c (from r216211, > head/lib/msun/src/e_log2.c) > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ stable/8/lib/msun/src/e_log2.c Sun Mar 6 08:49:44 2011 (r219323, copy > of r216211, head/lib/msun/src/e_log2.c) > @@ -0,0 +1,60 @@ > + > +/* @(#)e_log10.c 1.3 95/01/18 */ > +/* > + * ==================================================== > + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. > + * > + * Developed at SunSoft, a Sun Microsystems, Inc. business. > + * Permission to use, copy, modify, and distribute this > + * software is freely granted, provided that this notice > + * is preserved. > + * ==================================================== > + */ > + > +#include <sys/cdefs.h> > +__FBSDID("$FreeBSD$"); > + > +/* log2(x) > + * Return the base 2 logarithm of x. > + */ > + > +#include "math.h" > +#include "math_private.h" > +#include "k_log.h" > + > +static const double > +two54 = 1.80143985094819840000e+16, /* 0x43500000, 0x00000000 */ > +ivln2hi = 0x1.71547652000p+0, > +ivln2lo = 0x1.705fc2eefa2p-33; > + > +static const double zero = 0.0; > + > +double > +__ieee754_log2(double x) > +{ > + double f,hi,lo; > + int32_t i,k,hx; > + u_int32_t lx; > + > + EXTRACT_WORDS(hx,lx,x); > + > + k=0; > + if (hx < 0x00100000) { /* x < 2**-1022 */ > + if (((hx&0x7fffffff)|lx)==0) > + return -two54/zero; /* log(+-0)=-inf */ > + if (hx<0) return (x-x)/zero; /* log(-#) = NaN */ > + k -= 54; x *= two54; /* subnormal number, scale up x */ > + GET_HIGH_WORD(hx,x); > + } > + if (hx >= 0x7ff00000) return x+x; > + k += (hx>>20)-1023; > + hx &= 0x000fffff; > + i = (hx+0x95f64)&0x100000; > + SET_HIGH_WORD(x,hx|(i^0x3ff00000)); /* normalize x or x/2 */ > + k += (i>>20); > + f = __kernel_log(x); > + hi = x = x - 1; > + SET_LOW_WORD(hi,0); > + lo = x - hi; > + return (x+f)*ivln2lo + (lo+f)*ivln2hi + hi*ivln2hi + k; > +} > > Copied: stable/8/lib/msun/src/e_log2f.c (from r216211, > head/lib/msun/src/e_log2f.c) > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ stable/8/lib/msun/src/e_log2f.c Sun Mar 6 08:49:44 2011 (r219323, copy > of r216211, head/lib/msun/src/e_log2f.c) > @@ -0,0 +1,54 @@ > +/* > + * ==================================================== > + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. > + * > + * Developed at SunPro, a Sun Microsystems, Inc. business. > + * Permission to use, copy, modify, and distribute this > + * software is freely granted, provided that this notice > + * is preserved. > + * ==================================================== > + */ > + > +#include <sys/cdefs.h> > +__FBSDID("$FreeBSD$"); > + > +#include "math.h" > +#include "math_private.h" > +#include "k_logf.h" > + > +static const float > +two25 = 3.3554432000e+07, /* 0x4c000000 */ > +ivln2hi = 0x1.716p+0f, > +ivln2lo = -0x1.7135a8fa03d11p-13; > + > +static const float zero = 0.0; > + > +float > +__ieee754_log2f(float x) > +{ > + float f,hi,lo; > + int32_t i,k,hx; > + > + GET_FLOAT_WORD(hx,x); > + > + k=0; > + if (hx < 0x00800000) { /* x < 2**-126 */ > + if ((hx&0x7fffffff)==0) > + return -two25/zero; /* log(+-0)=-inf */ > + if (hx<0) return (x-x)/zero; /* log(-#) = NaN */ > + k -= 25; x *= two25; /* subnormal number, scale up x */ > + GET_FLOAT_WORD(hx,x); > + } > + if (hx >= 0x7f800000) return x+x; > + k += (hx>>23)-127; > + hx &= 0x007fffff; > + i = (hx+(0x4afb0d))&0x800000; > + SET_FLOAT_WORD(x,hx|(i^0x3f800000)); /* normalize x or x/2 */ > + k += (i>>23); > + f = __kernel_logf(x); > + x = x - 1; > + GET_FLOAT_WORD(hx,x); > + SET_FLOAT_WORD(hi,hx&0xfffff000); > + lo = x - hi; > + return (x+f)*ivln2lo + (lo+f)*ivln2hi + hi*ivln2hi + k; > +} > > Copied: stable/8/lib/msun/src/k_log.h (from r216210, > head/lib/msun/src/k_log.h) > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ stable/8/lib/msun/src/k_log.h Sun Mar 6 08:49:44 2011 (r219323, copy of > r216210, head/lib/msun/src/k_log.h) > @@ -0,0 +1,116 @@ > + > +/* @(#)e_log.c 1.3 95/01/18 */ > +/* > + * ==================================================== > + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. > + * > + * Developed at SunSoft, a Sun Microsystems, Inc. business. > + * Permission to use, copy, modify, and distribute this > + * software is freely granted, provided that this notice > + * is preserved. > + * ==================================================== > + */ > + > +#include <sys/cdefs.h> > +__FBSDID("$FreeBSD$"); > + > +/* __kernel_log(x) > + * Return log(x) - (x-1) for x in ~[sqrt(2)/2, sqrt(2)]. > + * > + * The following describes the overall strategy for computing > + * logarithms in base e. The argument reduction and adding the final > + * term of the polynomial are done by the caller for increased accuracy > + * when different bases are used. > + * > + * Method : > + * 1. Argument Reduction: find k and f such that > + * x = 2^k * (1+f), > + * where sqrt(2)/2 < 1+f < sqrt(2) . > + * > + * 2. Approximation of log(1+f). > + * Let s = f/(2+f) ; based on log(1+f) = log(1+s) - log(1-s) > + * = 2s + 2/3 s**3 + 2/5 s**5 + ....., > + * = 2s + s*R > + * We use a special Reme algorithm on [0,0.1716] to generate > + * a polynomial of degree 14 to approximate R The maximum error > + * of this polynomial approximation is bounded by 2**-58.45. In > + * other words, > + * 2 4 6 8 10 12 14 > + * R(z) ~ Lg1*s +Lg2*s +Lg3*s +Lg4*s +Lg5*s +Lg6*s +Lg7*s > + * (the values of Lg1 to Lg7 are listed in the program) > + * and > + * | 2 14 | -58.45 > + * | Lg1*s +...+Lg7*s - R(z) | <= 2 > + * | | > + * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2. > + * In order to guarantee error in log below 1ulp, we compute log > + * by > + * log(1+f) = f - s*(f - R) (if f is not too large) > + * log(1+f) = f - (hfsq - s*(hfsq+R)). (better accuracy) > + * > + * 3. Finally, log(x) = k*ln2 + log(1+f). > + * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo))) > + * Here ln2 is split into two floating point number: > + * ln2_hi + ln2_lo, > + * where n*ln2_hi is always exact for |n| < 2000. > + * > + * Special cases: > + * log(x) is NaN with signal if x < 0 (including -INF) ; > + * log(+INF) is +INF; log(0) is -INF with signal; > + * log(NaN) is that NaN with no signal. > + * > + * Accuracy: > + * according to an error analysis, the error is always less than > + * 1 ulp (unit in the last place). > + * > + * Constants: > + * The hexadecimal values are the intended ones for the following > + * constants. The decimal values may be used, provided that the > + * compiler will convert from decimal to binary accurately enough > + * to produce the hexadecimal values shown. > + */ > + > +static const double > +Lg1 = 6.666666666666735130e-01, /* 3FE55555 55555593 */ > +Lg2 = 3.999999999940941908e-01, /* 3FD99999 9997FA04 */ > +Lg3 = 2.857142874366239149e-01, /* 3FD24924 94229359 */ > +Lg4 = 2.222219843214978396e-01, /* 3FCC71C5 1D8E78AF */ > +Lg5 = 1.818357216161805012e-01, /* 3FC74664 96CB03DE */ > +Lg6 = 1.531383769920937332e-01, /* 3FC39A09 D078C69F */ > +Lg7 = 1.479819860511658591e-01; /* 3FC2F112 DF3E5244 */ > + > +/* > + * We always inline __kernel_log(), since doing so produces a > + * substantial performance improvement (~40% on amd64). > + */ > +static inline double > +__kernel_log(double x) > +{ > + double hfsq,f,s,z,R,w,t1,t2; > + int32_t hx,i,j; > + u_int32_t lx; > + > + EXTRACT_WORDS(hx,lx,x); > + > + f = x-1.0; > + if((0x000fffff&(2+hx))<3) { /* -2**-20 <= f < 2**-20 */ > + if(f==0.0) return 0.0; > + return f*f*(0.33333333333333333*f-0.5); > + } > + s = f/(2.0+f); > + z = s*s; > + hx &= 0x000fffff; > + i = hx-0x6147a; > + w = z*z; > + j = 0x6b851-hx; > + t1= w*(Lg2+w*(Lg4+w*Lg6)); > + t2= z*(Lg1+w*(Lg3+w*(Lg5+w*Lg7))); > + i |= j; > + R = t2+t1; > + if (i>0) { > + hfsq=0.5*f*f; > + return s*(hfsq+R) - hfsq; > + } else { > + return s*(R-f); > + } > +} > > Copied: stable/8/lib/msun/src/k_logf.h (from r216210, > head/lib/msun/src/k_logf.h) > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ stable/8/lib/msun/src/k_logf.h Sun Mar 6 08:49:44 2011 (r219323, copy > of r216210, head/lib/msun/src/k_logf.h) > @@ -0,0 +1,55 @@ > +/* > + * ==================================================== > + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. > + * > + * Developed at SunPro, a Sun Microsystems, Inc. business. > + * Permission to use, copy, modify, and distribute this > + * software is freely granted, provided that this notice > + * is preserved. > + * ==================================================== > + */ > + > +#include <sys/cdefs.h> > +__FBSDID("$FreeBSD$"); > + > +/* __kernel_logf(x) > + * Return log(x) - (x-1) for x in ~[sqrt(2)/2, sqrt(2)]. > + */ > + > +static const float > +/* |(log(1+s)-log(1-s))/s - Lg(s)| < 2**-34.24 (~[-4.95e-11, 4.97e-11]). */ > +Lg1 = 0xaaaaaa.0p-24, /* 0.66666662693 */ > +Lg2 = 0xccce13.0p-25, /* 0.40000972152 */ > +Lg3 = 0x91e9ee.0p-25, /* 0.28498786688 */ > +Lg4 = 0xf89e26.0p-26; /* 0.24279078841 */ > + > +static inline float > +__kernel_logf(float x) > +{ > + float hfsq,f,s,z,R,w,t1,t2; > + int32_t ix,i,j; > + > + GET_FLOAT_WORD(ix,x); > + > + f = x-(float)1.0; > + if((0x007fffff&(0x8000+ix))<0xc000) { /* -2**-9 <= f < 2**-9 */ > + if(f==0.0) return 0.0; > + return f*f*((float)0.33333333333333333*f-(float)0.5); > + } > + s = f/((float)2.0+f); > + z = s*s; > + ix &= 0x007fffff; > + i = ix-(0x6147a<<3); > + w = z*z; > + j = (0x6b851<<3)-ix; > + t1= w*(Lg2+w*Lg4); > + t2= z*(Lg1+w*Lg3); > + i |= j; > + R = t2+t1; > + if(i>0) { > + hfsq=(float)0.5*f*f; > + return s*(hfsq+R) - hfsq; > + } else { > + return s*(R-f); > + } > +} > > Modified: stable/8/lib/msun/src/math.h > ============================================================================== > --- stable/8/lib/msun/src/math.h Sun Mar 6 08:35:50 2011 (r219322) > +++ stable/8/lib/msun/src/math.h Sun Mar 6 08:49:44 2011 (r219323) > @@ -235,6 +235,7 @@ double lgamma(double); > long long llrint(double); > long long llround(double); > double log1p(double); > +double log2(double); > double logb(double); > long lrint(double); > long lround(double); > @@ -318,6 +319,7 @@ int ilogbf(float) __pure2; > float ldexpf(float, int); > float log10f(float); > float log1pf(float); > +float log2f(float); > float logf(float); > float modff(float, float *); /* fundamentally !__pure2 */ > > > Modified: stable/8/lib/msun/src/math_private.h > ============================================================================== > --- stable/8/lib/msun/src/math_private.h Sun Mar 6 08:35:50 2011 (r219322) > +++ stable/8/lib/msun/src/math_private.h Sun Mar 6 08:49:44 2011 (r219323) > @@ -292,6 +292,7 @@ irint(double x) > #define __ieee754_acos acos > #define __ieee754_acosh acosh > #define __ieee754_log log > +#define __ieee754_log2 log2 > #define __ieee754_atanh atanh > #define __ieee754_asin asin > #define __ieee754_atan2 atan2 > @@ -330,6 +331,7 @@ irint(double x) > #define __ieee754_lgammaf_r lgammaf_r > #define __ieee754_gammaf_r gammaf_r > #define __ieee754_log10f log10f > +#define __ieee754_log2f log2f > #define __ieee754_sinhf sinhf > #define __ieee754_hypotf hypotf > #define __ieee754_j0f j0f > _______________________________________________ > svn-src-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/svn-src-stable > To unsubscribe, send any mail to "svn-src-stable-unsubscribe@freebsd.org" > Hi all! Please MFC this commit to 7-STABLE, or apply the attached patch to graphviz... http://www.freebsd.org/cgi/query-pr.cgi?pr=157217&cat= op@pandora-d src> sysctl kern.osreldate kern.osreldate: 704101 op@pandora-d src> find . -iname "*log*" ./e_log.c ./e_log10.c ./e_log10f.c ./e_logf.c ./s_ilogb.c ./s_ilogbf.c ./s_ilogbl.c ./s_log1p.c ./s_log1pf.c ./s_logb.c ./s_logbf.c thanks, Oliver --00151758b0ac6fc0e904a4f770a2 Content-Type: text/x-diff; charset=US-ASCII; name="patch-lib-ortho-trapezoid.c.diff" Content-Disposition: attachment; filename="patch-lib-ortho-trapezoid.c.diff" Content-Transfer-Encoding: base64 X-Attachment-Id: file0 LS0tIC90bXAvcGF0Y2gtbGliLW9ydGhvLXRyYXBlem9pZC5jCTIwMTEtMDYtMDUgMTU6NDc6MDIu MDAwMDAwMDAwICswMjAwCisrKyAvdXNyL3BvcnRzL2dyYXBoaWNzL2dyYXBodml6L2ZpbGVzL3Bh dGNoLWxpYi1vcnRoby10cmFwZXpvaWQuYwkyMDExLTA2LTA1IDE1OjQ3OjM1LjAwMDAwMDAwMCAr MDIwMApAQCAtNSw3ICs1LDcgQEAKICAjZW5kaWYKICAKICsjaW5jbHVkZSA8c3lzL3BhcmFtLmg+ Ci0rI2lmIF9fRnJlZUJTRF92ZXJzaW9uIDw9IDcwNDEwMCB8fCAoX19GcmVlQlNEX3ZlcnNpb24g Pj0gODAwMDAwICYmIF9fRnJlZUJTRF92ZXJzaW9uIDwgODAyNTAyKSB8fCAoX19GcmVlQlNEX3Zl cnNpb24gPj0gOTAwMDAwICYmIF9fRnJlZUJTRF92ZXJzaW9uIDwgOTAwMDI3KQorKyNpZiBfX0Zy ZWVCU0RfdmVyc2lvbiA8PSA3MDQxMDEgfHwgKF9fRnJlZUJTRF92ZXJzaW9uID49IDgwMDAwMCAm JiBfX0ZyZWVCU0RfdmVyc2lvbiA8IDgwMjUwMikgfHwgKF9fRnJlZUJTRF92ZXJzaW9uID49IDkw MDAwMCAmJiBfX0ZyZWVCU0RfdmVyc2lvbiA8IDkwMDAyNykKICsjZGVmaW5lIGxvZzIoeCkgIChs b2coeCkvbG9nKDIpKQogKyNlbmRpZgogKwo= --00151758b0ac6fc0e904a4f770a2--
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