X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-frexpl.c;h=d4babb88c3c80378a57fbb281819f447f77c1632;hb=4e42b89b090f61e189e7161a3f096cabc832b6d3;hp=91f2d6723b14adc783ac12d86698a1c9154e1bf2;hpb=9d5d03ff00b8b11b51450ce107159b263efb1739;p=gnulib.git diff --git a/tests/test-frexpl.c b/tests/test-frexpl.c index 91f2d6723..d4babb88c 100644 --- a/tests/test-frexpl.c +++ b/tests/test-frexpl.c @@ -1,5 +1,5 @@ /* Test of splitting a 'long double' into fraction and mantissa. - Copyright (C) 2007-2008 Free Software Foundation, Inc. + Copyright (C) 2007-2009 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 @@ -26,6 +26,7 @@ #include "fpucw.h" #include "isnanl-nolibm.h" +#include "nan.h" /* Avoid some warnings from "gcc -Wshadow". This file doesn't use the exp() function. */ @@ -59,10 +60,16 @@ /* 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 -long double minus_zero = -LDBL_MIN * LDBL_MIN; +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 @@ -89,7 +96,7 @@ main () { /* NaN. */ int exp = -9999; long double mantissa; - x = 0.0L / 0.0L; + x = NaNl (); mantissa = frexpl (x, &exp); ASSERT (isnanl (mantissa)); }