X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-ldexpl.c;h=d8e7e15ebdd4b0f12a121362e1fe6edf380c55f8;hb=6531b40e89ecb9a18480e87633f61b16286abe7e;hp=f3b4e6f2676172e8f267b1d5963e51e0cd78978b;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git diff --git a/tests/test-ldexpl.c b/tests/test-ldexpl.c index f3b4e6f26..d8e7e15eb 100644 --- a/tests/test-ldexpl.c +++ b/tests/test-ldexpl.c @@ -1,5 +1,5 @@ /* Test of multiplying a 'long double' by a power of 2. - Copyright (C) 2007-2010 Free Software Foundation, Inc. + Copyright (C) 2007-2011 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 @@ -27,25 +27,10 @@ SIGNATURE_CHECK (ldexpl, long double, (long double, int)); #include "fpucw.h" #include "isnanl-nolibm.h" +#include "minus-zero.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 () { @@ -85,7 +70,7 @@ main () } { /* Negative zero. */ - x = minus_zero; + x = minus_zerol; y = ldexpl (x, 0); ASSERT (y == x); ASSERT (signbit (x)); y = ldexpl (x, 5); ASSERT (y == x); ASSERT (signbit (x)); y = ldexpl (x, -5); ASSERT (y == x); ASSERT (signbit (x));