/*
* Copyright (c) 2011, Michael Lehn
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1) Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3) Neither the name of the FLENS development group nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if defined(QD_API) && !defined(FLENS_HACKS_QD_H)
#define FLENS_HACKS_QD_H 1
#include <flens/auxiliary/explicit_cast.h>
namespace std {
//
// signbit
// TODO: At the moment this functions returns signbit(x[0]). We have
// to figure out how we actually get the signbit ...
//
int
signbit(const dd_real &x);
int
signbit(const qd_real &x);
//
// import is_floating_point to namespace std
//
template <>
struct is_floating_point<dd_real>
: public is_floating_point<double>
{
public:
static const bool value = true;
};
//
// import is_arithmetic to namespace std
//
template <>
struct is_arithmetic<dd_real>
: public is_arithmetic<double>
{
public:
static const bool value = true;
};
//
// import is_floating_point to namespace std
//
template <>
struct is_floating_point<qd_real>
: public is_floating_point<double>
{
public:
static const bool value = true;
};
//
// import is_arithmetic to namespace std
//
template <>
struct is_arithmetic<qd_real>
: public is_arithmetic<double>
{
public:
static const bool value = true;
};
} // namespace std
namespace flens {
//
// dd_real explicit_cast
//
template <>
int
explicit_cast(const dd_real &from);
template <>
double
explicit_cast(const dd_real &from);
//
// qd_real explicit_cast
//
template <>
int
explicit_cast(const qd_real &from);
template <>
double
explicit_cast(const qd_real &from);
template <>
dd_real
explicit_cast(const qd_real &from);
} // namespace flens
#endif // defined(QD_API) && !defined(FLENS_HACKS_QD_H)
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