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2014/06/16

C++N3242, 2011(116) 12.1 Constructors

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// 1 filename:cpp2011-12.cpp
// ver 0.1 June.15, 2014
//
// 2 original examples and/or notes:
// (c) ISO/IEC JTC1 SC22 WG21 N3242, April 12, 2011
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf
// > 12 Special member functions 12.1 Constructors
//
// 3 compile and output mechanism:
// (c) Dr. OGAWA Kiyoshi, kaizen at gifu-u.ac.jp,
//
// 4 compile errors and/or warnings:
// 4.1(c) Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
// Target: x86_64-apple-darwin13.2.0,  Thread model: posix
// Command/Options: c++ -std=c++11 -stdlib=libc++ -Wall cpp2011-12.cpp 
// (c) LLVM 2003-2009 University of Illinois at Urbana-Champaign.

// 4.2. g++-4.9 (GCC) 4.9.0 20131229 (experimental)
// Copyright (C) 2013 Free Software Foundation, Inc.
// This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// http://gcc.gnu.org/onlinedocs/gcc/Standards.html
// Command/Options: g++-4.9  -std=c++11  -Wall cpp2011-12.cpp 
// g++-4.9: error: unrecognized command line option '-stdlib=libc++'
// Configuration:brew install gcc49
//
// 4.3. Visual Studio Express 2013, 
// (c) Microsoft http://www.visualstudio.com/
// SPEC:
// Windows 7, .NET Framework
// (c) VMware, Inc.
// VMWare fusion 6
//
// 5. Hardware:  MacBook Pro, 
//(c) Intel http://ark.intel.com/products/37006/
//Core 2 Duo 2.53GHz, 8GB, 1067MHz DDR3
//
// 6. Special Thanks: Upper organizatios and 
// ITSCJ/IPSJ http://www.itscj.ipsj.or.jp/itscj_english/index.html
// Renesas Electronics Corporation.http://www.renesas.com/
// NPO SESSAME project, http://www.sessame.jp/workinggroup/WorkingGroup3/
// Toyo Corporation, http://www.toyo.co.jp/English/
// Japan Standard Association, http://bit.ly/1lzykg1
// NPO TOPPERS project, https://www.toppers.jp/asp-d-download.html
// Daido Universcity, http://www.daido-it.ac.jp/gakubugakka/computer/index.html
// WITZ Co.Ltd., http://www.witz-inc.co.jp/products/solution/solution.html
// SevenWise.co., http://www.7ws.co.jp/index.html
// TOYOTA Motor Corporation, http://toyota.jp/
// IT planning Inc., http://www.itpl.co.jp/en/index.html
// DENSO Corporation, http://www.globaldenso.com/en/
// Aisin Seiki co. Ltd., http://www.aisin.com/
// Spancion Inc., http://www.spansion.com/
// Yazaki Corporation, http://www.yazaki-group.com/global/
// Pananosic Corporation, http://www.panasonic.net/
// SWEST: Summer Workshop on Embedded System Technologies , http://swest.toppers.jp
// CEST: Consortium for Embedded System Technology, http://www.ertl.jp/CEST/
// JUSE: Union of Japanese Scientists and Engineers, http://www.juse.or.jp/e/
// OSC:Open Source Conference, http://www.ospn.jp/

#include <iostream>
//#include <cstdlib>
//#include <string.h>
//#include <cstring>
//#include <type_traits>
//#include <cassert>
//#include <algorithm>
//#include <cmath>
#include <complex>
//#include <cstddef>
//#include <new>
//#include <vector>

//#define complex _Complex double

using namespace std;

struct S {
S(); // declares the constructor
};
S::S() { } // defines the constructor
//
complex zz = complex(1,2.3);
cprint( complex(7.8,1.2) );
//
struct C;
void no_opt(C*);
struct C {
int c;
C() : c(0) { no_opt(this); }
};
const C cobj;
void no_opt(C* cptr) {
int i = cobj.c * 100; // value of cobj.c is unspecified
cptr->c = 1;
cout << cobj.c * 100 // value of cobj.c is unspecified
<< '\n';
}

int main() {
cout << "12 Special member functions 12.1 Constructors" << std::endl;
return 0;
}
// 1  output
// 1.1 llvm  c++ -std=c++11 -stdlib=libc++  -Wall cpp2011-12-1.cpp 
cpp2011-12-1.cpp:81:1: error: unknown type name 'complex'; did you mean '_Complex'?
complex zz = complex(1,2.3);
^~~~~~~
_Complex
cpp2011-12-1.cpp:81:1: warning: plain '_Complex' requires a type specifier; assuming '_Complex double'
complex zz = complex(1,2.3);
^
        double
cpp2011-12-1.cpp:81:14: error: cannot refer to class template 'complex' without a template argument list
complex zz = complex(1,2.3);
             ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/complex:264:29: note: template is declared here
class _LIBCPP_TYPE_VIS_ONLY complex
                            ^
cpp2011-12-1.cpp:82:17: error: expected parameter declarator
cprint( complex(7.8,1.2) );
                ^
cpp2011-12-1.cpp:82:17: error: expected ')'
cpp2011-12-1.cpp:82:16: note: to match this '('
cprint( complex(7.8,1.2) );
               ^
cpp2011-12-1.cpp:82:9: error: C++ requires a type specifier for all declarations
cprint( complex(7.8,1.2) );
        ^~~~~~~
cpp2011-12-1.cpp:82:1: error: C++ requires a type specifier for all declarations
cprint( complex(7.8,1.2) );
^~~~~~
cpp2011-12-1.cpp:92:5: warning: unused variable 'i' [-Wunused-variable]
int i = cobj.c * 100; // value of cobj.c is unspecified
    ^
// >2 warnings and 6 errors generated.
// 1.2 gcc:  g++-4.9 -std=c++11 -Wall cpp2011-12-1.cpp 
cpp2011-12-1.cpp:81:1: error: invalid use of template-name 'std::complex' without an argument list
 complex zz = complex(1,2.3);
 ^
cpp2011-12-1.cpp:82:7: error: expected constructor, destructor, or type conversion before '(' token
 cprint( complex(7.8,1.2) );
       ^
cpp2011-12-1.cpp: In function 'void no_opt(C*)':
cpp2011-12-1.cpp:92:5: warning: unused variable 'i' [-Wunused-variable]
 int i = cobj.c * 100; // value of cobj.c is unspecified
     ^


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