math.h

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//# math.h: Interim solution for standard/nonstandard system cmath
//# Copyright (C) 2001,2002
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
//#                        Charlottesville, VA 22903-2475 USA
//#
//# $Id: math.h 20551 2009-03-25 00:11:33Z Malte.Marquarding $

#ifndef CASA_STD_MATH_H
#define CASA_STD_MATH_H

//# Define the C standard C++ include file. 
//# This is an interim solution to cater for the SGI non-existence of
//# them (e.g. <cstring>)

//# Make sure any special macros are set
#include <casa/aips.h>

#if defined(__APPLE__) || defined(AIPS_DARWIN)
#include <math.h>
#include <ostream>
#include <cmath>
namespace casa { //# NAMESPACE CASA - BEGIN
    using std::isnan;
    using std::isinf;
    using std::isfinite;
} //# NAMESPACE CASA - END
#endif

#if defined(AIPS_SGI) || defined(AIPS_SUN_NATIVE) 
# include <math.h>
#else
# include <cmath>
# if !defined(AIPS_INTELCC)
namespace casa { //# NAMESPACE CASA - BEGIN
    using std::abs;
} //# NAMESPACE CASA - END
# endif
# if !(defined(AIPS_KAICC) || defined(AIPS_GCC3) || defined(AIPS_GCC4) || defined(AIPS_INTELCC) || defined(AIPS_DARWIN) || defined(AIPS_CRAY_PGI))
#  define NEEDS_POWFLOATFLOAT
# endif
#endif

namespace casa { //# NAMESPACE CASA - BEGIN

using std::abs;
using std::fabs;
using std::cos;
using std::cosh;
using std::sin;
using std::sinh;
using std::tan;
using std::tanh;
using std::asin;
using std::acos;
using std::atan;
using std::atan2;
using std::exp;
using std::log;
using std::log10;
using std::sqrt;
using std::pow;
using std::floor;
using std::ceil;
using std::fmod;
using ::erf;
using ::erfc;
//# The following is not yet part of some of the cmath include file. Should be
//# removed at some stage
# if defined(NEEDS_POWFLOATFLOAT)
   inline Float pow(Float f1, Float f2)
     { return Float(pow(Double(f1), Double(f2))); };
# endif

//# No float abs defined on the Cray.
#if defined(AIPS_CRAY_PGI)
   inline float abs(float v)
     { return fabs(v); }
#endif


} //# NAMESPACE CASA - END

#endif