X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-frexp.c;h=a7ec639df6f32d9f8218717e77025baa1dbc0b37;hb=09001dfb3ec39d237f8e248ff347cf1be3e6f0c1;hp=2fa15c0bfa51be3d82a1b5ebe2a08816830286a4;hpb=e220635fc952c63b533873f2af39ec76aed4b4e3;p=gnulib.git diff --git a/tests/test-frexp.c b/tests/test-frexp.c index 2fa15c0bf..a7ec639df 100644 --- a/tests/test-frexp.c +++ b/tests/test-frexp.c @@ -1,5 +1,5 @@ /* Test of splitting a double into fraction and mantissa. - Copyright (C) 2007-2008 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 @@ -20,29 +20,22 @@ #include +#include "signature.h" +SIGNATURE_CHECK (frexp, double, (double, int *)); + #include -#include -#include -#include "isnand.h" +#include "isnand-nolibm.h" +#include "minus-zero.h" +#include "infinity.h" #include "nan.h" +#include "macros.h" /* Avoid some warnings from "gcc -Wshadow". This file doesn't use the exp() function. */ +#undef exp #define exp exponent -#define ASSERT(expr) \ - do \ - { \ - if (!(expr)) \ - { \ - fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ - fflush (stderr); \ - abort (); \ - } \ - } \ - while (0) - static double my_ldexp (double x, int d) { @@ -75,7 +68,7 @@ main () { /* Positive infinity. */ int exp = -9999; double mantissa; - x = 1.0 / 0.0; + x = Infinityd (); mantissa = frexp (x, &exp); ASSERT (mantissa == x); } @@ -83,7 +76,7 @@ main () { /* Negative infinity. */ int exp = -9999; double mantissa; - x = -1.0 / 0.0; + x = - Infinityd (); mantissa = frexp (x, &exp); ASSERT (mantissa == x); } @@ -101,7 +94,7 @@ main () { /* Negative zero. */ int exp = -9999; double mantissa; - x = -0.0; + x = minus_zerod; mantissa = frexp (x, &exp); ASSERT (exp == 0); ASSERT (mantissa == x);