103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/************************************************************************
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*
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* 26.valarray.transcend.stdcxx-315.cpp - regression test for STDCXX-315
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*
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* http://issues.apache.org/jira/browse/STDCXX-315
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*
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* $Id: 26.valarray.transcend.stdcxx-315.cpp 589882 2007-10-29 22:00:32Z sebor $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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**************************************************************************/
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#include <cassert>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <new>
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#include <valarray>
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void* operator new (std::size_t s) throw (std::bad_alloc)
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{
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return std::memset (std::malloc (s), 0x55, s);
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}
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bool pass = true;
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struct S {
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const S* const self;
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S (): self (this) { }
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S (const S &s): self (this) { pass = pass && &s == s.self; }
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S (double): self (this) { }
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~S () { pass = pass && this == self; }
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operator double () const { pass = pass && this == self; return 1.0; }
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void operator=(const S &s) {
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pass = pass && &s == s.self && this == self;
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}
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S operator- () const { pass = pass && this == self; return *this; }
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bool operator< (const S &s) const {
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pass = pass && &s == s.self && this == self;
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return false;
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}
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};
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int main ()
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{
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const S s;
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const std::valarray<S> a (2);
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int nfails = 0;
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#define TEST(fun, args) \
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pass = true; \
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fun args; \
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if (!pass) { \
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std::fprintf (stderr, "std::%s uses uninitialized storage\n", \
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#fun); \
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++nfails; \
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} (void)0
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TEST (abs, (a));
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TEST (acos, (a));
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TEST (asin, (a));
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TEST (atan, (a));
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TEST (atan2, (a, a));
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TEST (atan2, (a, s));
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TEST (atan2, (s, a));
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TEST (cos, (a));
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TEST (cosh, (a));
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TEST (exp, (a));
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TEST (log, (a));
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TEST (log10, (a));
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TEST (pow, (a, a));
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TEST (pow, (a, s));
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TEST (pow, (s, a));
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TEST (sin, (a));
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TEST (sinh, (a));
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TEST (sqrt, (a));
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TEST (tan, (a));
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TEST (tanh, (a));
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assert (0 == nfails);
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return 0;
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}
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