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Commit 720e2f72 by Benjamin Kosnik Committed by Benjamin Kosnik
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re PR libstdc++/22203 (std::numeric_limits<int>::traps is wrong on PPC) 

2005-11-09  Benjamin Kosnik  <bkoz@redhat.com>
	    Paolo Carlini  <pcarlini@suse.de>
            Gabriel Dos Reis  <gdr@integrable-solutions.net>

	PR libstdc++/22203
	* numeric_limits.cc: Split into...
	* numeric_limits/specialization.cc: ..this.
	* numeric_limits/is_iec559.cc: Same.
	* numeric_limits/sign.cc: Same.
	* numeric_limits/quiet_NaN.cc: Same.
	* numeric_limits/digits10.cc: Same.
	* numeric_limits/denorm_min.cc: Same.
	* numeric_limits/min_max.cc: Same.
	* numeric_limits/epsilon.cc: Same.
	* numeric_limits/infinity.cc: Same.
	* numeric_limits/traps.cc: New.


Co-Authored-By: Gabriel Dos Reis <gdr@integrable-solutions.net>
Co-Authored-By: Paolo Carlini <pcarlini@suse.de>

From-SVN: r106727
parent bc33cab2
Showing with 706 additions and 350 deletions
libstdc++-v3/ChangeLog
2005-11-09 Benjamin Kosnik <bkoz@redhat.com>
Paolo Carlini <pcarlini@suse.de>
Gabriel Dos Reis <gdr@integrable-solutions.net>
PR libstdc++/22203
* numeric_limits.cc: Split into...
* numeric_limits/specialization.cc: ..this.
* numeric_limits/is_iec559.cc: Same.
* numeric_limits/sign.cc: Same.
* numeric_limits/quiet_NaN.cc: Same.
* numeric_limits/digits10.cc: Same.
* numeric_limits/denorm_min.cc: Same.
* numeric_limits/min_max.cc: Same.
* numeric_limits/epsilon.cc: Same.
* numeric_limits/infinity.cc: Same.
* numeric_limits/traps.cc: New.
2005-11-09 Paolo Carlini <pcarlini@suse.de> 2005-11-09 Paolo Carlini <pcarlini@suse.de>
* include/tr1/boost_shared_ptr.h: Trivial formatting fixes. * include/tr1/boost_shared_ptr.h: Trivial formatting fixes.
......
libstdc++-v3/testsuite/18_support/numeric_limits.cc deleted 100644 → 0
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
struct extrema {
static T min;
static T max;
};
#define DEFINE_EXTREMA(T, m, M) \
template<> T extrema<T>::min = m; \
template<> T extrema<T>::max = M
DEFINE_EXTREMA(char, CHAR_MIN, CHAR_MAX);
DEFINE_EXTREMA(signed char, SCHAR_MIN, SCHAR_MAX);
DEFINE_EXTREMA(unsigned char, 0, UCHAR_MAX);
DEFINE_EXTREMA(short, SHRT_MIN, SHRT_MAX);
DEFINE_EXTREMA(unsigned short, 0, USHRT_MAX);
DEFINE_EXTREMA(int, INT_MIN, INT_MAX);
DEFINE_EXTREMA(unsigned, 0U, UINT_MAX);
DEFINE_EXTREMA(long, LONG_MIN, LONG_MAX);
DEFINE_EXTREMA(unsigned long, 0UL, ULONG_MAX);
#if _GLIBCXX_USE_WCHAR_T
DEFINE_EXTREMA(wchar_t, WCHAR_MIN, WCHAR_MAX);
#endif //_GLIBCXX_USE_WCHAR_T
DEFINE_EXTREMA(float, FLT_MIN, FLT_MAX);
DEFINE_EXTREMA(double, DBL_MIN, DBL_MAX);
DEFINE_EXTREMA(long double, LDBL_MIN, LDBL_MAX);
#undef DEFINE_EXTREMA
template<typename T>
void test_extrema()
{
bool test __attribute__((unused)) = true;
T limits_min = std::numeric_limits<T>::min();
T limits_max = std::numeric_limits<T>::max();
T extrema_min = extrema<T>::min;
T extrema_max = extrema<T>::max;
VERIFY( extrema_min == limits_min );
VERIFY( extrema_max == limits_max );
}
template<typename T>
void test_epsilon()
{
bool test __attribute__((unused)) = true;
T epsilon = std::numeric_limits<T>::epsilon();
T one = 1;
VERIFY( one != (one + epsilon) );
}
#ifdef __CHAR_UNSIGNED__
#define char_is_signed false
#else
#define char_is_signed true
#endif
void test_sign()
{
bool test __attribute__((unused)) = true;
VERIFY( std::numeric_limits<char>::is_signed == char_is_signed );
VERIFY( std::numeric_limits<signed char>::is_signed == true );
VERIFY( std::numeric_limits<unsigned char>::is_signed == false );
VERIFY( std::numeric_limits<short>::is_signed == true );
VERIFY( std::numeric_limits<unsigned short>::is_signed == false );
VERIFY( std::numeric_limits<int>::is_signed == true );
VERIFY( std::numeric_limits<unsigned>::is_signed == false );
VERIFY( std::numeric_limits<long>::is_signed == true );
VERIFY( std::numeric_limits<unsigned long>::is_signed == false );
VERIFY( std::numeric_limits<float>::is_signed == true );
VERIFY( std::numeric_limits<double>::is_signed == true );
VERIFY( std::numeric_limits<long double>::is_signed == true );
}
template<typename T>
void
test_infinity()
{
bool test;
if (std::numeric_limits<T>::has_infinity)
{
T inf = std::numeric_limits<T>::infinity();
test = (inf + inf == inf);
}
else
test = true;
VERIFY (test);
}
template<typename T>
void
test_denorm_min()
{
bool test;
if (std::numeric_limits<T>::has_denorm == std::denorm_present)
{
T denorm = std::numeric_limits<T>::denorm_min();
test = (denorm > 0);
}
else
test = true;
VERIFY (test);
}
template<typename T>
void
test_qnan()
{
bool test;
if (std::numeric_limits<T>::has_quiet_NaN)
{
T nan = std::numeric_limits<T>::quiet_NaN();
test = (nan != nan);
}
else
test = true;
VERIFY (test);
}
template<typename T>
void
test_is_iec559()
{
bool test;
if (std::numeric_limits<T>::is_iec559)
{
// IEC 559 requires all of the following.
test = (std::numeric_limits<T>::has_infinity
&& std::numeric_limits<T>::has_quiet_NaN
&& std::numeric_limits<T>::has_signaling_NaN);
}
else
{
// If we had all of the following, why didn't we set IEC 559?
test = (!std::numeric_limits<T>::has_infinity
|| !std::numeric_limits<T>::has_quiet_NaN
|| !std::numeric_limits<T>::has_signaling_NaN);
}
VERIFY (test);
}
template<typename T>
struct A
{
int key;
public:
A(int i = 0): key(i) { }
bool
operator==(int i) { return i == key; }
};
struct B
{
B(int i = 0) { }
};
bool test01()
{
bool test __attribute__((unused)) = true;
std::numeric_limits< A<B> > obj;
VERIFY( !obj.is_specialized );
VERIFY( obj.min() == 0 );
VERIFY( obj.max() == 0 );
VERIFY( obj.digits == 0 );
VERIFY( obj.digits10 == 0 );
VERIFY( !obj.is_signed );
VERIFY( !obj.is_integer );
VERIFY( !obj.is_exact );
VERIFY( obj.radix == 0 );
VERIFY( obj.epsilon() == 0 );
VERIFY( obj.round_error() == 0 );
VERIFY( obj.min_exponent == 0 );
VERIFY( obj.min_exponent10 == 0 );
VERIFY( obj.max_exponent == 0 );
VERIFY( obj.max_exponent10 == 0 );
VERIFY( !obj.has_infinity );
VERIFY( !obj.has_quiet_NaN );
VERIFY( !obj.has_signaling_NaN );
VERIFY( !obj.has_denorm );
VERIFY( !obj.has_denorm_loss );
VERIFY( obj.infinity() == 0 );
VERIFY( obj.quiet_NaN() == 0 );
VERIFY( obj.signaling_NaN() == 0 );
VERIFY( obj.denorm_min() == 0 );
VERIFY( !obj.is_iec559 );
VERIFY( !obj.is_bounded );
VERIFY( !obj.is_modulo );
VERIFY( !obj.traps );
VERIFY( !obj.tinyness_before );
VERIFY( obj.round_style == std::round_toward_zero );
return test;
}
// test linkage of the generic bits
template struct std::numeric_limits<B>;
void test02()
{
typedef std::numeric_limits<B> b_nl_type;
// Should probably do all of them...
const int* __attribute__((unused)) pi1 = &b_nl_type::digits;
const int* __attribute__((unused)) pi2 = &b_nl_type::digits10;
const int* __attribute__((unused)) pi3 = &b_nl_type::max_exponent10;
const bool* __attribute__((unused)) pb1 = &b_nl_type::traps;
}
// libstdc++/5045
bool test03()
{
bool test __attribute__((unused)) = true;
VERIFY( std::numeric_limits<bool>::digits10 == 0 );
if (__CHAR_BIT__ == 8)
{
VERIFY( std::numeric_limits<signed char>::digits10 == 2 );
VERIFY( std::numeric_limits<unsigned char>::digits10 == 2 );
}
if (__CHAR_BIT__ * sizeof(short) == 16)
{
VERIFY( std::numeric_limits<signed short>::digits10 == 4 );
VERIFY( std::numeric_limits<unsigned short>::digits10 == 4 );
}
if (__CHAR_BIT__ * sizeof(int) == 32)
{
VERIFY( std::numeric_limits<signed int>::digits10 == 9 );
VERIFY( std::numeric_limits<unsigned int>::digits10 == 9 );
}
if (__CHAR_BIT__ * sizeof(long long) == 64)
{
VERIFY( std::numeric_limits<signed long long>::digits10 == 18 );
VERIFY( std::numeric_limits<unsigned long long>::digits10 == 19 );
}
return test;
}
// libstdc++/8949
bool test04()
{
bool test __attribute__((unused)) = true;
VERIFY( !std::numeric_limits<short>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned short>::is_iec559 );
VERIFY( !std::numeric_limits<int>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned int>::is_iec559 );
VERIFY( !std::numeric_limits<long>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned long>::is_iec559 );
VERIFY( !std::numeric_limits<long long>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned long long>::is_iec559 );
return test;
}
int main()
{
test01();
test02();
test03();
test04();
test_extrema<char>();
test_extrema<signed char>();
test_extrema<unsigned char>();
test_extrema<short>();
test_extrema<unsigned short>();
test_extrema<int>();
test_extrema<unsigned>();
test_extrema<long>();
test_extrema<unsigned long>();
test_extrema<float>();
test_extrema<double>();
test_extrema<long double>();
test_epsilon<float>();
test_epsilon<double>();
test_epsilon<long double>();
test_sign();
test_infinity<float>();
test_infinity<double>();
test_infinity<long double>();
test_denorm_min<float>();
test_denorm_min<double>();
test_denorm_min<long double>();
test_qnan<float>();
test_qnan<double>();
test_qnan<long double>();
// ??? How to test SNaN? We'd perhaps have to be prepared
// to catch SIGFPE. Can't rely on a signal getting through
// since the exception can be disabled in the FPU.
test_is_iec559<float>();
test_is_iec559<double>();
test_is_iec559<long double>();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/denorm_min.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
void
test_denorm_min()
{
bool test;
if (std::numeric_limits<T>::has_denorm == std::denorm_present)
{
T denorm = std::numeric_limits<T>::denorm_min();
test = (denorm > 0);
}
else
test = true;
VERIFY (test);
}
int main()
{
test_denorm_min<float>();
test_denorm_min<double>();
test_denorm_min<long double>();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/digits10.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
// libstdc++/5045
bool test03()
{
bool test __attribute__((unused)) = true;
VERIFY( std::numeric_limits<bool>::digits10 == 0 );
if (__CHAR_BIT__ == 8)
{
VERIFY( std::numeric_limits<signed char>::digits10 == 2 );
VERIFY( std::numeric_limits<unsigned char>::digits10 == 2 );
}
if (__CHAR_BIT__ * sizeof(short) == 16)
{
VERIFY( std::numeric_limits<signed short>::digits10 == 4 );
VERIFY( std::numeric_limits<unsigned short>::digits10 == 4 );
}
if (__CHAR_BIT__ * sizeof(int) == 32)
{
VERIFY( std::numeric_limits<signed int>::digits10 == 9 );
VERIFY( std::numeric_limits<unsigned int>::digits10 == 9 );
}
if (__CHAR_BIT__ * sizeof(long long) == 64)
{
VERIFY( std::numeric_limits<signed long long>::digits10 == 18 );
VERIFY( std::numeric_limits<unsigned long long>::digits10 == 19 );
}
return test;
}
int main()
{
test03();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/epsilon.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
void test_epsilon()
{
bool test __attribute__((unused)) = true;
T epsilon = std::numeric_limits<T>::epsilon();
T one = 1;
VERIFY( one != (one + epsilon) );
}
int main()
{
test_epsilon<float>();
test_epsilon<double>();
test_epsilon<long double>();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/infinity.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
void
test_infinity()
{
bool test;
if (std::numeric_limits<T>::has_infinity)
{
T inf = std::numeric_limits<T>::infinity();
test = (inf + inf == inf);
}
else
test = true;
VERIFY (test);
}
int main()
{
test_infinity<float>();
test_infinity<double>();
test_infinity<long double>();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/is_iec559.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
void
test_is_iec559()
{
bool test;
if (std::numeric_limits<T>::is_iec559)
{
// IEC 559 requires all of the following.
test = (std::numeric_limits<T>::has_infinity
&& std::numeric_limits<T>::has_quiet_NaN
&& std::numeric_limits<T>::has_signaling_NaN);
}
else
{
// If we had all of the following, why didn't we set IEC 559?
test = (!std::numeric_limits<T>::has_infinity
|| !std::numeric_limits<T>::has_quiet_NaN
|| !std::numeric_limits<T>::has_signaling_NaN);
}
VERIFY (test);
}
// libstdc++/8949
bool test04()
{
bool test __attribute__((unused)) = true;
VERIFY( !std::numeric_limits<short>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned short>::is_iec559 );
VERIFY( !std::numeric_limits<int>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned int>::is_iec559 );
VERIFY( !std::numeric_limits<long>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned long>::is_iec559 );
VERIFY( !std::numeric_limits<long long>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned long long>::is_iec559 );
return test;
}
int main()
{
test_is_iec559<float>();
test_is_iec559<double>();
test_is_iec559<long double>();
test04();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/min_max.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
struct extrema {
static T min;
static T max;
};
#define DEFINE_EXTREMA(T, m, M) \
template<> T extrema<T>::min = m; \
template<> T extrema<T>::max = M
DEFINE_EXTREMA(char, CHAR_MIN, CHAR_MAX);
DEFINE_EXTREMA(signed char, SCHAR_MIN, SCHAR_MAX);
DEFINE_EXTREMA(unsigned char, 0, UCHAR_MAX);
DEFINE_EXTREMA(short, SHRT_MIN, SHRT_MAX);
DEFINE_EXTREMA(unsigned short, 0, USHRT_MAX);
DEFINE_EXTREMA(int, INT_MIN, INT_MAX);
DEFINE_EXTREMA(unsigned, 0U, UINT_MAX);
DEFINE_EXTREMA(long, LONG_MIN, LONG_MAX);
DEFINE_EXTREMA(unsigned long, 0UL, ULONG_MAX);
#if _GLIBCXX_USE_WCHAR_T
DEFINE_EXTREMA(wchar_t, WCHAR_MIN, WCHAR_MAX);
#endif //_GLIBCXX_USE_WCHAR_T
DEFINE_EXTREMA(float, FLT_MIN, FLT_MAX);
DEFINE_EXTREMA(double, DBL_MIN, DBL_MAX);
DEFINE_EXTREMA(long double, LDBL_MIN, LDBL_MAX);
#undef DEFINE_EXTREMA
template<typename T>
void test_extrema()
{
bool test __attribute__((unused)) = true;
T limits_min = std::numeric_limits<T>::min();
T limits_max = std::numeric_limits<T>::max();
T extrema_min = extrema<T>::min;
T extrema_max = extrema<T>::max;
VERIFY( extrema_min == limits_min );
VERIFY( extrema_max == limits_max );
}
int main()
{
test_extrema<char>();
test_extrema<signed char>();
test_extrema<unsigned char>();
test_extrema<short>();
test_extrema<unsigned short>();
test_extrema<int>();
test_extrema<unsigned>();
test_extrema<long>();
test_extrema<unsigned long>();
test_extrema<float>();
test_extrema<double>();
test_extrema<long double>();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/quiet_NaN.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
void
test_qnan()
{
bool test;
if (std::numeric_limits<T>::has_quiet_NaN)
{
T nan = std::numeric_limits<T>::quiet_NaN();
test = (nan != nan);
}
else
test = true;
VERIFY (test);
}
int main()
{
test_qnan<float>();
test_qnan<double>();
test_qnan<long double>();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/sign.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
#ifdef __CHAR_UNSIGNED__
#define char_is_signed false
#else
#define char_is_signed true
#endif
void test_sign()
{
bool test __attribute__((unused)) = true;
VERIFY( std::numeric_limits<char>::is_signed == char_is_signed );
VERIFY( std::numeric_limits<signed char>::is_signed == true );
VERIFY( std::numeric_limits<unsigned char>::is_signed == false );
VERIFY( std::numeric_limits<short>::is_signed == true );
VERIFY( std::numeric_limits<unsigned short>::is_signed == false );
VERIFY( std::numeric_limits<int>::is_signed == true );
VERIFY( std::numeric_limits<unsigned>::is_signed == false );
VERIFY( std::numeric_limits<long>::is_signed == true );
VERIFY( std::numeric_limits<unsigned long>::is_signed == false );
VERIFY( std::numeric_limits<float>::is_signed == true );
VERIFY( std::numeric_limits<double>::is_signed == true );
VERIFY( std::numeric_limits<long double>::is_signed == true );
}
int main()
{
test_sign();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/specialization.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// 1999-08-23 bkoz
// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
struct A
{
int key;
public:
A(int i = 0): key(i) { }
bool
operator==(int i) { return i == key; }
};
struct B
{
B(int i = 0) { }
};
bool test01()
{
bool test __attribute__((unused)) = true;
std::numeric_limits< A<B> > obj;
VERIFY( !obj.is_specialized );
VERIFY( obj.min() == 0 );
VERIFY( obj.max() == 0 );
VERIFY( obj.digits == 0 );
VERIFY( obj.digits10 == 0 );
VERIFY( !obj.is_signed );
VERIFY( !obj.is_integer );
VERIFY( !obj.is_exact );
VERIFY( obj.radix == 0 );
VERIFY( obj.epsilon() == 0 );
VERIFY( obj.round_error() == 0 );
VERIFY( obj.min_exponent == 0 );
VERIFY( obj.min_exponent10 == 0 );
VERIFY( obj.max_exponent == 0 );
VERIFY( obj.max_exponent10 == 0 );
VERIFY( !obj.has_infinity );
VERIFY( !obj.has_quiet_NaN );
VERIFY( !obj.has_signaling_NaN );
VERIFY( !obj.has_denorm );
VERIFY( !obj.has_denorm_loss );
VERIFY( obj.infinity() == 0 );
VERIFY( obj.quiet_NaN() == 0 );
VERIFY( obj.signaling_NaN() == 0 );
VERIFY( obj.denorm_min() == 0 );
VERIFY( !obj.is_iec559 );
VERIFY( !obj.is_bounded );
VERIFY( !obj.is_modulo );
VERIFY( !obj.traps );
VERIFY( !obj.tinyness_before );
VERIFY( obj.round_style == std::round_toward_zero );
return test;
}
// test linkage of the generic bits
template struct std::numeric_limits<B>;
void test02()
{
typedef std::numeric_limits<B> b_nl_type;
// Should probably do all of them...
const int* __attribute__((unused)) pi1 = &b_nl_type::digits;
const int* __attribute__((unused)) pi2 = &b_nl_type::digits10;
const int* __attribute__((unused)) pi3 = &b_nl_type::max_exponent10;
const bool* __attribute__((unused)) pb1 = &b_nl_type::traps;
}
int main()
{
test01();
test02();
return 0;
}
libstdc++-v3/testsuite/18_support/numeric_limits/traps.cc 0 → 100644
// { dg-options "-mieee" { target alpha*-*-* } }
// { dg-options "-mieee" { target sh*-*-* } }
// Copyright (C) 2005 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <testsuite_hooks.h>
template<typename T>
void
test_traps()
{
typedef T value_type;
volatile value_type i(5);
volatile value_type j(0);
if (!std::numeric_limits<value_type>::traps)
value_type r = i/j;
}
// libstdc++/22203
int main()
{
test_traps<int>();
test_traps<unsigned int>();
test_traps<long>();
test_traps<unsigned long>();
test_traps<long long>();
test_traps<unsigned long long>();
/*
For floating points, trapping is a different, more complicated
story. If is_iecxxx is true, then division by zero would not trap
(infinity). If is_iecxxx is false, we don't know (VAX may trap for
0/0 -- I have to check). For most cases (i.e. IEE-754), trapping
for floating points have to do with whether there is a support for
signaling NaN.
- Gaby.
*/
// test_traps<float>();
// test_traps<double>();
// test_traps<long double>();
return 0;
}
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