X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-frexpl.c;h=905b293a1d39ce727fbc8da374c479fb4cf4bf6d;hb=170dd03f1170f0760c2b95f0f2ee18ed64b10c1c;hp=f6e5af89da378e58d4e3fbd4c8dace230624fd91;hpb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;p=gnulib.git diff --git a/tests/test-frexpl.c b/tests/test-frexpl.c index f6e5af89d..905b293a1 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 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 @@ -20,23 +20,22 @@ #include +#include "signature.h" +SIGNATURE_CHECK (frexpl, long double, (long double, int *)); + #include -#include -#include #include "fpucw.h" #include "isnanl-nolibm.h" +#include "minus-zero.h" +#include "infinity.h" +#include "nan.h" +#include "macros.h" -#define ASSERT(expr) \ - do \ - { \ - if (!(expr)) \ - { \ - fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ - abort (); \ - } \ - } \ - while (0) +/* Avoid some warnings from "gcc -Wshadow". + This file doesn't use the exp() function. */ +#undef exp +#define exp exponent /* On MIPS IRIX machines, LDBL_MIN_EXP is -1021, but the smallest reliable exponent for 'long double' is -964. Similarly, on PowerPC machines, @@ -73,7 +72,7 @@ main () { /* NaN. */ int exp = -9999; long double mantissa; - x = 0.0L / 0.0L; + x = NaNl (); mantissa = frexpl (x, &exp); ASSERT (isnanl (mantissa)); } @@ -81,7 +80,7 @@ main () { /* Positive infinity. */ int exp = -9999; long double mantissa; - x = 1.0L / 0.0L; + x = Infinityl (); mantissa = frexpl (x, &exp); ASSERT (mantissa == x); } @@ -89,7 +88,7 @@ main () { /* Negative infinity. */ int exp = -9999; long double mantissa; - x = -1.0L / 0.0L; + x = - Infinityl (); mantissa = frexpl (x, &exp); ASSERT (mantissa == x); } @@ -107,7 +106,7 @@ main () { /* Negative zero. */ int exp = -9999; long double mantissa; - x = -0.0L; + x = minus_zerol; mantissa = frexpl (x, &exp); ASSERT (exp == 0); ASSERT (mantissa == x);