X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-ldexpl.c;h=d8e7e15ebdd4b0f12a121362e1fe6edf380c55f8;hb=aa4ddc348b91b7d8846e57c004f356a8b7b7da82;hp=5f1fbd99fd6acff8daa4cde3b56a621ac949d5a4;hpb=ecab4471c7da5d367a62c8db75ee54ed6d948e40;p=gnulib.git diff --git a/tests/test-ldexpl.c b/tests/test-ldexpl.c index 5f1fbd99f..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) 2007-2009 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 @@ -20,41 +20,16 @@ #include +#include "signature.h" +SIGNATURE_CHECK (ldexpl, long double, (long double, int)); + #include -#include -#include #include "fpucw.h" #include "isnanl-nolibm.h" +#include "minus-zero.h" #include "nan.h" - -#define ASSERT(expr) \ - do \ - { \ - if (!(expr)) \ - { \ - fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ - fflush (stderr); \ - abort (); \ - } \ - } \ - while (0) - -/* 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 +#include "macros.h" int main () @@ -95,7 +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)); @@ -126,9 +101,9 @@ main () y = ldexpl (x, 0); ASSERT (y == x); y = ldexpl (x, 5); ASSERT (y == x * 32.0L); if (i - 5 >= LDBL_MIN_EXP) - { - y = ldexpl (x, -5); ASSERT (y == x * 0.03125L); - } + { + y = ldexpl (x, -5); ASSERT (y == x * 0.03125L); + } } for (; i >= LDBL_MIN_EXP - 100 && x > 0.0L; i--, x *= 0.5L) {