+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>
* include/tr1/boost_shared_ptr.h: Trivial formatting fixes.
+++ /dev/null
-// { 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;
-}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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;
+}
--- /dev/null
+// { 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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