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PycArrayComH.h
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//# PycArrayComH.h: Common code to convert an Array to/from a Python array
//# Copyright (C) 2006
//# 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: casa-feedback@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
// Check if the PyObject is an array object.
Bool PycArrayCheck (PyObject* obj_ptr);
// Check if the API is or can be imported.
// <group>
Bool isImported();
inline Bool canImport()
{ return True; }
Bool importArray();
void loadAPI();
// </group>
// Convert the python array to a Casacore array in the ValueHolder.
// If copyData is True, the array data is always copied.
// Otherwise only if needed.
ValueHolder makeArray (PyObject* obj_ptr, Bool copyData);
// Copy/convert the array data as needed.
// Specializations are defined for complex and string.
// <group>
template <typename T> struct ArrayCopy
{
static void toPy (void* to, const T* from, size_t nr);
static void fromPy (T* to, const void* from, size_t nr);
static Array<T> toArray (const IPosition& shape,
void* data, bool copy);
};
template <> struct ArrayCopy<Complex>
{
static void toPy (void* to, const Complex* from, size_t nr);
static void fromPy (Complex* to, const void* from, size_t nr);
static Array<Complex> toArray (const IPosition& shape,
void* data, bool copy);
};
template <> struct ArrayCopy<DComplex>
{
static void toPy (void* to, const DComplex* from, size_t nr);
static void fromPy (DComplex* to, const void* from, size_t nr);
static Array<DComplex> toArray (const IPosition& shape,
void* data, bool copy);
};
template <> struct ArrayCopy<String>
{
static void toPy (void* to, const String* from, size_t nr);
static void fromPy (String* to, const void* from, size_t nr);
static Array<String> toArray (const IPosition& shape,
void* data, bool copy);
};
// </group>
Array<String> ArrayCopyStr_toArray (const IPosition& shape,
void* data, size_t slen);
Array<String> ArrayCopyUnicode_toArray (const IPosition& shape,
void* data, size_t slen);
// Convert a Casacore array to a Python array object.
template <typename T>
boost::python::object makePyArrayObject (casacore::Array<T> const& arr);
canImport
Bool canImport()
Definition PycArrayComH.h:32
ArrayCopyUnicode_toArray
Array< String > ArrayCopyUnicode_toArray(const IPosition &shape, void *data, size_t slen)
makePyArrayObject
boost::python::object makePyArrayObject(casacore::Array< T > const &arr)
Convert a Casacore array to a Python array object.
PycArrayCheck
Bool PycArrayCheck(PyObject *obj_ptr)
Check if the PyObject is an array object.
Definition PycArrayComCC.h:35
ArrayCopyStr_toArray
Array< String > ArrayCopyStr_toArray(const IPosition &shape, void *data, size_t slen)
isImported
Bool isImported()
Check if the API is or can be imported.
Definition PycArrayComCC.h:44
makeArray
ValueHolder makeArray(PyObject *obj_ptr, Bool copyData)
Convert the python array to a Casacore array in the ValueHolder.
Definition PycArrayComCC.h:278
importArray
Bool importArray()
loadAPI
void loadAPI()
Definition PycArrayComCC.h:54
casacore::Array
Definition Array.h:155
casacore::Bool
bool Bool
Define the standard types used by Casacore.
Definition aipstype.h:40
ArrayCopy
Copy/convert the array data as needed.
Definition PycArrayComH.h:47
ArrayCopy::toPy
static void toPy(void *to, const T *from, size_t nr)
Definition PycArrayComCC.h:147
ArrayCopy::fromPy
static void fromPy(T *to, const void *from, size_t nr)
Definition PycArrayComCC.h:160
ArrayCopy::toArray
static Array< T > toArray(const IPosition &shape, void *data, bool copy)
Definition PycArrayComCC.h:173