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Date:      Sat, 15 Sep 2012 15:48:38 +0200
From:      Tijl Coosemans <tijl@coosemans.org>
To:        Roman Divacky <rdivacky@freebsd.org>
Cc:        Ian Lepore <freebsd@damnhippie.dyndns.org>, current@freebsd.org, Dimitry Andric <dim@freebsd.org>, toolchain@freebsd.org, Steve Kargl <sgk@troutmask.apl.washington.edu>
Subject:   Re: Clang as default compiler November 4th
Message-ID:  <50548736.9030203@coosemans.org>
In-Reply-To: <20120915124809.GA10939@freebsd.org>
References:  <504F4645.4070900@FreeBSD.org> <504F4A6B.4010001@coosemans.org> <504F5101.8090906@FreeBSD.org> <505101C3.70203@freebsd.org> <20120913020833.GA8255@troutmask.apl.washington.edu> <1347550332.1110.108.camel@revolution.hippie.lan> <20120913161024.GA13846@troutmask.apl.washington.edu> <20120914202319.GB5244@lor.one-eyed-alien.net> <20120915001808.GA70215@troutmask.apl.washington.edu> <20120915010600.GA70426@troutmask.apl.washington.edu> <20120915124809.GA10939@freebsd.org>

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On 15-09-2012 14:48, Roman Divacky wrote:
> Fwiw, this seems to have been fixed as of a few minutes ago.
>=20
> http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20120910/15=
0720.html
>=20
> Steve, can you please test llvm/clang from (their) svn and report
> back? We can import a newer snapshot if all is ok.

Here's a small test program. You're probably better equipped to test
clang svn.

--------
#include <math.h>
#include <stdio.h>
#include <stdlib.h>

int
main( int argc, char **argv ) {
	double d =3D strtod( argv[ 1 ], NULL );

	printf( "%e\n", ( double ) cos( d ));
	printf( "%e\n", ( double ) cosf( d ));
	printf( "%e\n", ( double ) cosl( d ));
	return( 0 );
}
--------

This is the current output of clang:

% clang -o cos cos.c -lm
% ./cos 1.23456789e20
6.031937e-01
1.234568e+20
2.814722e-01

The second number (cosf) is wrong. It should be a value between -1 and 1.=



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