Revision: 496
http://rpy.svn.sourceforge.net/rpy/?rev=496&view=rev
Author: lgautier
Date: 2008-04-19 07:43:10 -0700 (Sat, 19 Apr 2008)
Log Message:
-----------
Working R-to-Numeric casting. Use with caution while
details such as the handling of missing values is not fully tested.
Modified Paths:
--------------
branches/rpy_nextgen/rpy/rinterface/rinterface.c
branches/rpy_nextgen/setup.py
Added Paths:
-----------
branches/rpy_nextgen/rpy/rinterface/array.h
branches/rpy_nextgen/rpy/rinterface/tests/test_SexpVectorNumeric.py
Added: branches/rpy_nextgen/rpy/rinterface/array.h
===================================================================
--- branches/rpy_nextgen/rpy/rinterface/array.h (rev 0)
+++ branches/rpy_nextgen/rpy/rinterface/array.h 2008-04-19 14:43:10 UTC (rev
496)
@@ -0,0 +1,11 @@
+
+#ifndef RPY_AR_H
+#define RPY_AR_H
+
+#include <R.h>
+#include <Python.h>
+
+static PyObject*
+array_struct_get(SexpObject *self);
+
+#endif /* !RPY_AR_H */
Property changes on: branches/rpy_nextgen/rpy/rinterface/array.h
___________________________________________________________________
Name: svn:eol-style
+ native
Modified: branches/rpy_nextgen/rpy/rinterface/rinterface.c
===================================================================
--- branches/rpy_nextgen/rpy/rinterface/rinterface.c 2008-04-18 20:56:30 UTC
(rev 495)
+++ branches/rpy_nextgen/rpy/rinterface/rinterface.c 2008-04-19 14:43:10 UTC
(rev 496)
@@ -67,6 +67,10 @@
#include <signal.h>
+#include "rinterface.h"
+#include "array.h"
+
+
/* Back-compatibility with Python 2.4 */
#if (PY_VERSION_HEX < 0x02050000)
typedef int Py_ssize_t;
@@ -105,14 +109,6 @@
");
-/* Representation of R objects (instances) as instances in Python.
- */
-typedef struct {
- PyObject_HEAD
- SEXP sexp;
-} SexpObject;
-
-
static SexpObject* globalEnv;
static SexpObject* baseNameSpaceEnv;
@@ -824,11 +820,8 @@
(lenfunc)VectorSexp_len, /* sq_length */
0, /* sq_concat */
0, /* sq_repeat */
- //FIXME: implement
(ssizeargfunc)VectorSexp_item, /* sq_item */
- //FIXME: implement
0, //(ssizessizeargfunc)VectorSexp_slice, /* sq_slice */
- //FIXME: implement
(ssizeobjargproc)VectorSexp_ass_item, /* sq_ass_item */
0, /* sq_ass_slice */
0, /* sq_contains */
@@ -836,6 +829,16 @@
0 /* sq_inplace_repeat */
};
+
+static PyGetSetDef VectorSexp_getsets[] = {
+ {"__array_struct__",
+ (getter)array_struct_get,
+ (setter)0,
+ "Array protocol: struct"},
+ {NULL, NULL, NULL, NULL} /* sentinel */
+};
+
+
//FIXME: write more doc
PyDoc_STRVAR(VectorSexp_Type_doc,
"R object that is a vector.\
@@ -883,9 +886,9 @@
0, /*tp_weaklistoffset*/
0, /*tp_iter*/
0, /*tp_iternext*/
- 0, /*tp_methods*/
+ 0, /*tp_methods*/
0, /*tp_members*/
- 0,//Sexp_getset, /*tp_getset*/
+ VectorSexp_getsets, /*tp_getset*/
&Sexp_Type, /*tp_base*/
0, /*tp_dict*/
0, /*tp_descr_get*/
Added: branches/rpy_nextgen/rpy/rinterface/tests/test_SexpVectorNumeric.py
===================================================================
--- branches/rpy_nextgen/rpy/rinterface/tests/test_SexpVectorNumeric.py
(rev 0)
+++ branches/rpy_nextgen/rpy/rinterface/tests/test_SexpVectorNumeric.py
2008-04-19 14:43:10 UTC (rev 496)
@@ -0,0 +1,59 @@
+import unittest
+import itertools
+import rpy2.rinterface as rinterface
+import Numeric
+
+
+try:
+ #FIXME: can starting and stopping an embedded R be done several times ?
+ rinterface.initEmbeddedR("foo", "--vanilla", "--no-save", "--quiet")
+except:
+ pass
+
+def floatEqual(x, y, epsilon = 0.00000001):
+ return abs(x - y) < epsilon
+
+class SexpVectorNumericTestCase(unittest.TestCase):
+
+ def testArrayStructInt(self):
+ px = [1,-2,3]
+ x = rinterface.SexpVector(px, rinterface.INTSXP)
+ nx = Numeric.asarray(x)
+ self.assertEquals('i', nx.typecode())
+ for orig, new in itertools.izip(px, nx):
+ self.assertEquals(orig, new)
+ self.assertTrue(False)
+
+ def testArrayStructDouble(self):
+ px = [1.0, -2.0, 3.0]
+ x = rinterface.SexpVector(px, rinterface.REALSXP)
+ nx = Numeric.asarray(x)
+ self.assertEquals('f', nx.typecode())
+ for orig, new in itertools.izip(px, nx):
+ self.assertEquals(orig, new)
+ self.assertTrue(False)
+
+ def testArrayStructComplex(self):
+ px = [1+2j, 2+5j, -1+0j]
+ x = rinterface.SexpVector(px, rinterface.CPLXSXP)
+ nx = Numeric.asarray(x)
+ self.assertEquals('D', nx.typecode())
+ for orig, new in itertools.izip(px, nx):
+ self.assertEquals(orig, new)
+ self.assertTrue(False)
+
+# def testArrayStructBoolean(self):
+# px = [True, False, True]
+# x = rinterface.SexpVector(px, rinterface.REALSXP)
+# nx = Numeric.asarray(x)
+# self.assertEquals('b', nx.typecode())
+# for orig, new in itertools.izip(px, nx):
+# self.assertEquals(orig, new)
+# self.assertTrue(False)
+
+def suite():
+ suite =
unittest.TestLoader().loadTestsFromTestCase(SexpVectorNumericTestCase)
+ return suite
+
+if __name__ == '__main__':
+ unittest.main()
Property changes on:
branches/rpy_nextgen/rpy/rinterface/tests/test_SexpVectorNumeric.py
___________________________________________________________________
Name: svn:eol-style
+ native
Modified: branches/rpy_nextgen/setup.py
===================================================================
--- branches/rpy_nextgen/setup.py 2008-04-18 20:56:30 UTC (rev 495)
+++ branches/rpy_nextgen/setup.py 2008-04-19 14:43:10 UTC (rev 496)
@@ -4,6 +4,7 @@
from subprocess import Popen, PIPE
+#FIXME: still needed ?
try:
import ctypes
except Exception, e:
@@ -80,8 +81,8 @@
rinterface = Extension(
pack_name + ".rinterface.rinterface",
- [os.path.join('rpy', 'rinterface', 'rinterface.c'),
- os.path.join('rpy', 'rinterface', 'array.c')],
+ [os.path.join('rpy', 'rinterface', 'array.c'),
+ os.path.join('rpy', 'rinterface', 'rinterface.c')],
include_dirs=[ os.path.join(RHOME, 'include'),
os.path.join('rpy', 'rinterface')],
libraries=['R', 'Rlapack', 'Rblas'],
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