+++ /dev/null
-// 1999-08-23 bkoz
-
-// Copyright (C) 1999, 2001, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
-
-// 18.2.1.1 template class numeric_limits
-
-#include <limits>
-#include <limits.h>
-#include <float.h>
-#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);
-
-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 = 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 );
-}
-
-#ifdef __FreeBSD__
-// This specialization allows the extra precision unmentioned in
-// system headers yet supported by long double on FreeBSD or Solaris
-// to not cause a gratuitous FAIL for the entire test. Using this
-// technique to compare the residual against epsilon ensures that any
-// major breakage will still be detected (although obviously not as
-// tight as the exact equality check that would have been generated by
-// default). This replacement test is allowable by the fact that C++
-// limits should match the system provided limits for C even if they
-// were wrong verses the actual FP hardware.
-template<>
-void test_extrema<long double>()
-{
- typedef long double T;
- bool test = 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;
- T epsilon = std::numeric_limits<T>::epsilon();
-
- VERIFY( (extrema_min - limits_min) < epsilon );
- VERIFY( (limits_min - extrema_min) < epsilon );
- VERIFY( (extrema_max / limits_max) < (1 + epsilon) );
- VERIFY( (limits_max / extrema_max) < (1 + epsilon) );
-}
-#endif
-
-#ifdef __CHAR_UNSIGNED__
-#define char_is_signed false
-#else
-#define char_is_signed true
-#endif
-
-void test_sign()
-{
- bool test = 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>
- 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 = 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 );
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-
- 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* pi1 = &b_nl_type::digits;
- const int* pi2 = &b_nl_type::digits10;
- const int* pi3 = &b_nl_type::max_exponent10;
- const bool* pb1 = &b_nl_type::traps;
-}
-
-// libstdc++/5045
-bool test03()
-{
- bool test = true;
-
- VERIFY( std::numeric_limits<bool>::digits10 == 0 );
- VERIFY( __glibcpp_s8_digits10 == 2 );
- VERIFY( __glibcpp_u8_digits10 == 2 );
- VERIFY( __glibcpp_s16_digits10 == 4 );
- VERIFY( __glibcpp_u16_digits10 == 4 );
- VERIFY( __glibcpp_s32_digits10 == 9 );
- VERIFY( __glibcpp_u32_digits10 == 9 );
- VERIFY( __glibcpp_s64_digits10 == 18 );
- VERIFY( __glibcpp_u64_digits10 == 19 );
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-
- return test;
-}
-
-
-int main()
-{
- test01();
- test02();
- test03();
-
- 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_sign();
-
- return 0;
-}
projects / msp430-gcc.git / blobdiff