X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-roundl.c;h=01fce08245c229b7494840a1d615a79b276edc7c;hb=5068051817bc09c088f31d3627956bfe5086b130;hp=7b3e2002a245e94074c2c8260bef3e2a998849ae;hpb=987e5651e8d1c5aa933c9ce88562806af4093702;p=gnulib.git diff --git a/tests/test-roundl.c b/tests/test-roundl.c index 7b3e2002a..01fce0824 100644 --- a/tests/test-roundl.c +++ b/tests/test-roundl.c @@ -1,5 +1,5 @@ /* Test of rounding to nearest, breaking ties away from zero. - Copyright (C) 2007-2009 Free Software Foundation, Inc. + Copyright (C) 2007-2013 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -12,8 +12,7 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program; if not, see . */ /* Written by Ben Pfaff , 2007. Based heavily on Bruno Haible's test-truncl.c. */ @@ -29,25 +28,11 @@ SIGNATURE_CHECK (roundl, long double, (long double)); #include "fpucw.h" #include "isnanl-nolibm.h" +#include "minus-zero.h" +#include "infinity.h" #include "nan.h" #include "macros.h" -/* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zero instead. - IRIX cc can't put -0.0L into .data, but can compute at runtime. - Note that the expression -LDBL_MIN * LDBL_MIN does not work on other - platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ -#if defined __hpux || defined __sgi -static long double -compute_minus_zero (void) -{ - return -LDBL_MIN * LDBL_MIN; -} -# define minus_zero compute_minus_zero () -#else -long double minus_zero = -0.0L; -#endif - int main () { @@ -57,7 +42,7 @@ main () /* Zero. */ ASSERT (roundl (0.0L) == 0.0L); - ASSERT (roundl (minus_zero) == 0.0L); + ASSERT (roundl (minus_zerol) == 0.0L); /* Positive numbers. */ ASSERT (roundl (0.3L) == 0.0L); ASSERT (roundl (0.5L) == 1.0L); @@ -85,8 +70,8 @@ main () ASSERT (roundl (-65536.001L) == -65536.0L); ASSERT (roundl (-2.341e31L) == -2.341e31L); /* Infinite numbers. */ - ASSERT (roundl (1.0 / 0.0L) == 1.0 / 0.0L); - ASSERT (roundl (-1.0 / 0.0L) == -1.0 / 0.0L); + ASSERT (roundl (Infinityl ()) == Infinityl ()); + ASSERT (roundl (- Infinityl ()) == - Infinityl ()); /* NaNs. */ ASSERT (isnanl (roundl (NaNl ())));