/
cfuncs.py
1223 lines (1191 loc) · 41.1 KB
/
cfuncs.py
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#!/usr/bin/env python
"""
C declarations, CPP macros, and C functions for f2py2e.
Only required declarations/macros/functions will be used.
Copyright 1999,2000 Pearu Peterson all rights reserved,
Pearu Peterson <pearu@ioc.ee>
Permission to use, modify, and distribute this software is given under the
terms of the NumPy License.
NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
$Date: 2005/05/06 11:42:34 $
Pearu Peterson
"""
__version__ = "$Revision: 1.75 $"[10:-1]
import __version__
f2py_version = __version__.version
import types
import sys
import copy
errmess=sys.stderr.write
##################### Definitions ##################
outneeds={'includes0':[],'includes':[],'typedefs':[],'typedefs_generated':[],
'userincludes':[],
'cppmacros':[],'cfuncs':[],'callbacks':[],'f90modhooks':[],
'commonhooks':[]}
needs={}
includes0={'includes0':'/*need_includes0*/'}
includes={'includes':'/*need_includes*/'}
userincludes={'userincludes':'/*need_userincludes*/'}
typedefs={'typedefs':'/*need_typedefs*/'}
typedefs_generated={'typedefs_generated':'/*need_typedefs_generated*/'}
cppmacros={'cppmacros':'/*need_cppmacros*/'}
cfuncs={'cfuncs':'/*need_cfuncs*/'}
callbacks={'callbacks':'/*need_callbacks*/'}
f90modhooks={'f90modhooks':'/*need_f90modhooks*/',
'initf90modhooksstatic':'/*initf90modhooksstatic*/',
'initf90modhooksdynamic':'/*initf90modhooksdynamic*/',
}
commonhooks={'commonhooks':'/*need_commonhooks*/',
'initcommonhooks':'/*need_initcommonhooks*/',
}
############ Includes ###################
includes0['math.h']='#include <math.h>'
includes0['string.h']='#include <string.h>'
includes0['setjmp.h']='#include <setjmp.h>'
includes['Python.h']='#include "Python.h"'
needs['arrayobject.h']=['Python.h']
includes['arrayobject.h']='''#define PY_ARRAY_UNIQUE_SYMBOL PyArray_API
#include "arrayobject.h"'''
includes['arrayobject.h']='#include "fortranobject.h"'
includes['stdarg.h']='#include <stdarg.h>'
############# Type definitions ###############
typedefs['unsigned_char']='typedef unsigned char unsigned_char;'
typedefs['unsigned_short']='typedef unsigned short unsigned_short;'
typedefs['unsigned_long']='typedef unsigned long unsigned_long;'
typedefs['signed_char']='typedef signed char signed_char;'
typedefs['long_long']="""\
#ifdef _WIN32
typedef __int64 long_long;
#else
typedef long long long_long;
typedef unsigned long long unsigned_long_long;
#endif
"""
typedefs['insinged_long_long']="""\
#ifdef _WIN32
typedef __uint64 long_long;
#else
typedef unsigned long long unsigned_long_long;
#endif
"""
typedefs['long_double']="""\
#ifndef _LONG_DOUBLE
typedef long double long_double;
#endif
"""
typedefs['complex_long_double']='typedef struct {long double r,i;} complex_long_double;'
typedefs['complex_float']='typedef struct {float r,i;} complex_float;'
typedefs['complex_double']='typedef struct {double r,i;} complex_double;'
typedefs['string']="""typedef char * string;"""
############### CPP macros ####################
cppmacros['CFUNCSMESS']="""\
#ifdef DEBUGCFUNCS
#define CFUNCSMESS(mess) fprintf(stderr,\"debug-capi:\"mess);
#define CFUNCSMESSPY(mess,obj) CFUNCSMESS(mess) \\
\tPyObject_Print((PyObject *)obj,stderr,Py_PRINT_RAW);\\
\tfprintf(stderr,\"\\n\");
#else
#define CFUNCSMESS(mess)
#define CFUNCSMESSPY(mess,obj)
#endif
"""
cppmacros['F_FUNC']="""\
#if defined(PREPEND_FORTRAN)
#if defined(NO_APPEND_FORTRAN)
#if defined(UPPERCASE_FORTRAN)
#define F_FUNC(f,F) _##F
#else
#define F_FUNC(f,F) _##f
#endif
#else
#if defined(UPPERCASE_FORTRAN)
#define F_FUNC(f,F) _##F##_
#else
#define F_FUNC(f,F) _##f##_
#endif
#endif
#else
#if defined(NO_APPEND_FORTRAN)
#if defined(UPPERCASE_FORTRAN)
#define F_FUNC(f,F) F
#else
#define F_FUNC(f,F) f
#endif
#else
#if defined(UPPERCASE_FORTRAN)
#define F_FUNC(f,F) F##_
#else
#define F_FUNC(f,F) f##_
#endif
#endif
#endif
#if defined(UNDERSCORE_G77)
#define F_FUNC_US(f,F) F_FUNC(f##_,F##_)
#else
#define F_FUNC_US(f,F) F_FUNC(f,F)
#endif
"""
cppmacros['F_WRAPPEDFUNC']="""\
#if defined(PREPEND_FORTRAN)
#if defined(NO_APPEND_FORTRAN)
#if defined(UPPERCASE_FORTRAN)
#define F_WRAPPEDFUNC(f,F) _F2PYWRAP##F
#else
#define F_WRAPPEDFUNC(f,F) _f2pywrap##f
#endif
#else
#if defined(UPPERCASE_FORTRAN)
#define F_WRAPPEDFUNC(f,F) _F2PYWRAP##F##_
#else
#define F_WRAPPEDFUNC(f,F) _f2pywrap##f##_
#endif
#endif
#else
#if defined(NO_APPEND_FORTRAN)
#if defined(UPPERCASE_FORTRAN)
#define F_WRAPPEDFUNC(f,F) F2PYWRAP##F
#else
#define F_WRAPPEDFUNC(f,F) f2pywrap##f
#endif
#else
#if defined(UPPERCASE_FORTRAN)
#define F_WRAPPEDFUNC(f,F) F2PYWRAP##F##_
#else
#define F_WRAPPEDFUNC(f,F) f2pywrap##f##_
#endif
#endif
#endif
#if defined(UNDERSCORE_G77)
#define F_WRAPPEDFUNC_US(f,F) F_WRAPPEDFUNC(f##_,F##_)
#else
#define F_WRAPPEDFUNC_US(f,F) F_WRAPPEDFUNC(f,F)
#endif
"""
cppmacros['F_MODFUNC']="""\
#if defined(F90MOD2CCONV1) /*E.g. Compaq Fortran */
#if defined(NO_APPEND_FORTRAN)
#define F_MODFUNCNAME(m,f) $ ## m ## $ ## f
#else
#define F_MODFUNCNAME(m,f) $ ## m ## $ ## f ## _
#endif
#endif
#if defined(F90MOD2CCONV2) /*E.g. IBM XL Fortran, not tested though */
#if defined(NO_APPEND_FORTRAN)
#define F_MODFUNCNAME(m,f) __ ## m ## _MOD_ ## f
#else
#define F_MODFUNCNAME(m,f) __ ## m ## _MOD_ ## f ## _
#endif
#endif
#if defined(F90MOD2CCONV3) /*E.g. MIPSPro Compilers */
#if defined(NO_APPEND_FORTRAN)
#define F_MODFUNCNAME(m,f) f ## .in. ## m
#else
#define F_MODFUNCNAME(m,f) f ## .in. ## m ## _
#endif
#endif
/*
#if defined(UPPERCASE_FORTRAN)
#define F_MODFUNC(m,M,f,F) F_MODFUNCNAME(M,F)
#else
#define F_MODFUNC(m,M,f,F) F_MODFUNCNAME(m,f)
#endif
*/
#define F_MODFUNC(m,f) (*(f2pymodstruct##m##.##f))
"""
cppmacros['SWAPUNSAFE']="""\
#define SWAP(a,b) (size_t)(a) = ((size_t)(a) ^ (size_t)(b));\\
(size_t)(b) = ((size_t)(a) ^ (size_t)(b));\\
(size_t)(a) = ((size_t)(a) ^ (size_t)(b))
"""
cppmacros['SWAP']="""\
#define SWAP(a,b,t) {\\
\tt *c;\\
\tc = a;\\
\ta = b;\\
\tb = c;}
"""
#cppmacros['ISCONTIGUOUS']='#define ISCONTIGUOUS(m) ((m)->flags & NPY_CONTIGUOUS)'
cppmacros['PRINTPYOBJERR']="""\
#define PRINTPYOBJERR(obj)\\
\tfprintf(stderr,\"#modulename#.error is related to \");\\
\tPyObject_Print((PyObject *)obj,stderr,Py_PRINT_RAW);\\
\tfprintf(stderr,\"\\n\");
"""
cppmacros['MINMAX']="""\
#ifndef max
#define max(a,b) ((a > b) ? (a) : (b))
#endif
#ifndef min
#define min(a,b) ((a < b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a,b) ((a > b) ? (a) : (b))
#endif
#ifndef MIN
#define MIN(a,b) ((a < b) ? (a) : (b))
#endif
"""
needs['len..']=['f2py_size']
cppmacros['len..']="""\
#define rank(var) var ## _Rank
#define shape(var,dim) var ## _Dims[dim]
#define old_rank(var) (((PyArrayObject *)(capi_ ## var ## _tmp))->nd)
#define old_shape(var,dim) (((PyArrayObject *)(capi_ ## var ## _tmp))->dimensions[dim])
#define fshape(var,dim) shape(var,rank(var)-dim-1)
#define len(var) shape(var,0)
#define flen(var) fshape(var,0)
#define old_size(var) PyArray_SIZE((PyArrayObject *)(capi_ ## var ## _tmp))
/* #define index(i) capi_i ## i */
#define slen(var) capi_ ## var ## _len
#define size(var, ...) f2py_size((PyArrayObject *)(capi_ ## var ## _tmp), ## __VA_ARGS__, -1)
"""
needs['f2py_size']=['stdarg.h']
cfuncs['f2py_size']="""\
static int f2py_size(PyArrayObject* var, ...)
{
npy_int sz = 0;
npy_int dim;
npy_int rank;
va_list argp;
va_start(argp, var);
dim = va_arg(argp, npy_int);
if (dim==-1)
{
sz = PyArray_SIZE(var);
}
else
{
rank = PyArray_NDIM(var);
if (dim>=1 && dim<=rank)
sz = PyArray_DIM(var, dim-1);
else
fprintf(stderr, \"f2py_size: 2nd argument value=%d fails to satisfy 1<=value<=%d. Result will be 0.\\n\", dim, rank);
}
va_end(argp);
return sz;
}
"""
cppmacros['pyobj_from_char1']='#define pyobj_from_char1(v) (PyInt_FromLong(v))'
cppmacros['pyobj_from_short1']='#define pyobj_from_short1(v) (PyInt_FromLong(v))'
needs['pyobj_from_int1']=['signed_char']
cppmacros['pyobj_from_int1']='#define pyobj_from_int1(v) (PyInt_FromLong(v))'
cppmacros['pyobj_from_long1']='#define pyobj_from_long1(v) (PyLong_FromLong(v))'
needs['pyobj_from_long_long1']=['long_long']
cppmacros['pyobj_from_long_long1']="""\
#ifdef HAVE_LONG_LONG
#define pyobj_from_long_long1(v) (PyLong_FromLongLong(v))
#else
#warning HAVE_LONG_LONG is not available. Redefining pyobj_from_long_long.
#define pyobj_from_long_long1(v) (PyLong_FromLong(v))
#endif
"""
needs['pyobj_from_long_double1']=['long_double']
cppmacros['pyobj_from_long_double1']='#define pyobj_from_long_double1(v) (PyFloat_FromDouble(v))'
cppmacros['pyobj_from_double1']='#define pyobj_from_double1(v) (PyFloat_FromDouble(v))'
cppmacros['pyobj_from_float1']='#define pyobj_from_float1(v) (PyFloat_FromDouble(v))'
needs['pyobj_from_complex_long_double1']=['complex_long_double']
cppmacros['pyobj_from_complex_long_double1']='#define pyobj_from_complex_long_double1(v) (PyComplex_FromDoubles(v.r,v.i))'
needs['pyobj_from_complex_double1']=['complex_double']
cppmacros['pyobj_from_complex_double1']='#define pyobj_from_complex_double1(v) (PyComplex_FromDoubles(v.r,v.i))'
needs['pyobj_from_complex_float1']=['complex_float']
cppmacros['pyobj_from_complex_float1']='#define pyobj_from_complex_float1(v) (PyComplex_FromDoubles(v.r,v.i))'
needs['pyobj_from_string1']=['string']
cppmacros['pyobj_from_string1']='#define pyobj_from_string1(v) (PyString_FromString((char *)v))'
needs['pyobj_from_string1size']=['string']
cppmacros['pyobj_from_string1size']='#define pyobj_from_string1size(v,len) (PyString_FromStringAndSize((char *)v, len))'
needs['TRYPYARRAYTEMPLATE']=['PRINTPYOBJERR']
cppmacros['TRYPYARRAYTEMPLATE']="""\
/* New SciPy */
#define TRYPYARRAYTEMPLATECHAR case NPY_STRING: *(char *)(arr->data)=*v; break;
#define TRYPYARRAYTEMPLATELONG case NPY_LONG: *(long *)(arr->data)=*v; break;
#define TRYPYARRAYTEMPLATEOBJECT case NPY_OBJECT: (arr->descr->f->setitem)(pyobj_from_ ## ctype ## 1(*v),arr->data); break;
#define TRYPYARRAYTEMPLATE(ctype,typecode) \\
PyArrayObject *arr = NULL;\\
if (!obj) return -2;\\
if (!PyArray_Check(obj)) return -1;\\
if (!(arr=(PyArrayObject *)obj)) {fprintf(stderr,\"TRYPYARRAYTEMPLATE:\");PRINTPYOBJERR(obj);return 0;}\\
if (arr->descr->type==typecode) {*(ctype *)(arr->data)=*v; return 1;}\\
switch (arr->descr->type_num) {\\
case NPY_DOUBLE: *(double *)(arr->data)=*v; break;\\
case NPY_INT: *(int *)(arr->data)=*v; break;\\
case NPY_LONG: *(long *)(arr->data)=*v; break;\\
case NPY_FLOAT: *(float *)(arr->data)=*v; break;\\
case NPY_CDOUBLE: *(double *)(arr->data)=*v; break;\\
case NPY_CFLOAT: *(float *)(arr->data)=*v; break;\\
case NPY_BOOL: *(npy_bool *)(arr->data)=(*v!=0); break;\\
case NPY_UBYTE: *(unsigned char *)(arr->data)=*v; break;\\
case NPY_BYTE: *(signed char *)(arr->data)=*v; break;\\
case NPY_SHORT: *(short *)(arr->data)=*v; break;\\
case NPY_USHORT: *(npy_ushort *)(arr->data)=*v; break;\\
case NPY_UINT: *(npy_uint *)(arr->data)=*v; break;\\
case NPY_ULONG: *(npy_ulong *)(arr->data)=*v; break;\\
case NPY_LONGLONG: *(npy_longlong *)(arr->data)=*v; break;\\
case NPY_ULONGLONG: *(npy_ulonglong *)(arr->data)=*v; break;\\
case NPY_LONGDOUBLE: *(npy_longdouble *)(arr->data)=*v; break;\\
case NPY_CLONGDOUBLE: *(npy_longdouble *)(arr->data)=*v; break;\\
case NPY_OBJECT: (arr->descr->f->setitem)(pyobj_from_ ## ctype ## 1(*v),arr->data, arr); break;\\
default: return -2;\\
};\\
return 1
"""
needs['TRYCOMPLEXPYARRAYTEMPLATE']=['PRINTPYOBJERR']
cppmacros['TRYCOMPLEXPYARRAYTEMPLATE']="""\
#define TRYCOMPLEXPYARRAYTEMPLATEOBJECT case NPY_OBJECT: (arr->descr->f->setitem)(pyobj_from_complex_ ## ctype ## 1((*v)),arr->data, arr); break;
#define TRYCOMPLEXPYARRAYTEMPLATE(ctype,typecode)\\
PyArrayObject *arr = NULL;\\
if (!obj) return -2;\\
if (!PyArray_Check(obj)) return -1;\\
if (!(arr=(PyArrayObject *)obj)) {fprintf(stderr,\"TRYCOMPLEXPYARRAYTEMPLATE:\");PRINTPYOBJERR(obj);return 0;}\\
if (arr->descr->type==typecode) {\\
*(ctype *)(arr->data)=(*v).r;\\
*(ctype *)(arr->data+sizeof(ctype))=(*v).i;\\
return 1;\\
}\\
switch (arr->descr->type_num) {\\
case NPY_CDOUBLE: *(double *)(arr->data)=(*v).r;*(double *)(arr->data+sizeof(double))=(*v).i;break;\\
case NPY_CFLOAT: *(float *)(arr->data)=(*v).r;*(float *)(arr->data+sizeof(float))=(*v).i;break;\\
case NPY_DOUBLE: *(double *)(arr->data)=(*v).r; break;\\
case NPY_LONG: *(long *)(arr->data)=(*v).r; break;\\
case NPY_FLOAT: *(float *)(arr->data)=(*v).r; break;\\
case NPY_INT: *(int *)(arr->data)=(*v).r; break;\\
case NPY_SHORT: *(short *)(arr->data)=(*v).r; break;\\
case NPY_UBYTE: *(unsigned char *)(arr->data)=(*v).r; break;\\
case NPY_BYTE: *(signed char *)(arr->data)=(*v).r; break;\\
case NPY_BOOL: *(npy_bool *)(arr->data)=((*v).r!=0 && (*v).i!=0); break;\\
case NPY_USHORT: *(npy_ushort *)(arr->data)=(*v).r; break;\\
case NPY_UINT: *(npy_uint *)(arr->data)=(*v).r; break;\\
case NPY_ULONG: *(npy_ulong *)(arr->data)=(*v).r; break;\\
case NPY_LONGLONG: *(npy_longlong *)(arr->data)=(*v).r; break;\\
case NPY_ULONGLONG: *(npy_ulonglong *)(arr->data)=(*v).r; break;\\
case NPY_LONGDOUBLE: *(npy_longdouble *)(arr->data)=(*v).r; break;\\
case NPY_CLONGDOUBLE: *(npy_longdouble *)(arr->data)=(*v).r;*(npy_longdouble *)(arr->data+sizeof(npy_longdouble))=(*v).i;break;\\
case NPY_OBJECT: (arr->descr->f->setitem)(pyobj_from_complex_ ## ctype ## 1((*v)),arr->data, arr); break;\\
default: return -2;\\
};\\
return -1;
"""
## cppmacros['NUMFROMARROBJ']="""\
## #define NUMFROMARROBJ(typenum,ctype) \\
## \tif (PyArray_Check(obj)) arr = (PyArrayObject *)obj;\\
## \telse arr = (PyArrayObject *)PyArray_ContiguousFromObject(obj,typenum,0,0);\\
## \tif (arr) {\\
## \t\tif (arr->descr->type_num==NPY_OBJECT) {\\
## \t\t\tif (!ctype ## _from_pyobj(v,(arr->descr->getitem)(arr->data),\"\"))\\
## \t\t\tgoto capi_fail;\\
## \t\t} else {\\
## \t\t\t(arr->descr->cast[typenum])(arr->data,1,(char*)v,1,1);\\
## \t\t}\\
## \t\tif ((PyObject *)arr != obj) { Py_DECREF(arr); }\\
## \t\treturn 1;\\
## \t}
## """
## #XXX: Note that CNUMFROMARROBJ is identical with NUMFROMARROBJ
## cppmacros['CNUMFROMARROBJ']="""\
## #define CNUMFROMARROBJ(typenum,ctype) \\
## \tif (PyArray_Check(obj)) arr = (PyArrayObject *)obj;\\
## \telse arr = (PyArrayObject *)PyArray_ContiguousFromObject(obj,typenum,0,0);\\
## \tif (arr) {\\
## \t\tif (arr->descr->type_num==NPY_OBJECT) {\\
## \t\t\tif (!ctype ## _from_pyobj(v,(arr->descr->getitem)(arr->data),\"\"))\\
## \t\t\tgoto capi_fail;\\
## \t\t} else {\\
## \t\t\t(arr->descr->cast[typenum])((void *)(arr->data),1,(void *)(v),1,1);\\
## \t\t}\\
## \t\tif ((PyObject *)arr != obj) { Py_DECREF(arr); }\\
## \t\treturn 1;\\
## \t}
## """
needs['GETSTRFROMPYTUPLE']=['STRINGCOPYN','PRINTPYOBJERR']
cppmacros['GETSTRFROMPYTUPLE']="""\
#define GETSTRFROMPYTUPLE(tuple,index,str,len) {\\
\t\tPyObject *rv_cb_str = PyTuple_GetItem((tuple),(index));\\
\t\tif (rv_cb_str == NULL)\\
\t\t\tgoto capi_fail;\\
\t\tif (PyString_Check(rv_cb_str)) {\\
\t\t\tstr[len-1]='\\0';\\
\t\t\tSTRINGCOPYN((str),PyString_AS_STRING((PyStringObject*)rv_cb_str),(len));\\
\t\t} else {\\
\t\t\tPRINTPYOBJERR(rv_cb_str);\\
\t\t\tPyErr_SetString(#modulename#_error,\"string object expected\");\\
\t\t\tgoto capi_fail;\\
\t\t}\\
\t}
"""
cppmacros['GETSCALARFROMPYTUPLE']="""\
#define GETSCALARFROMPYTUPLE(tuple,index,var,ctype,mess) {\\
\t\tif ((capi_tmp = PyTuple_GetItem((tuple),(index)))==NULL) goto capi_fail;\\
\t\tif (!(ctype ## _from_pyobj((var),capi_tmp,mess)))\\
\t\t\tgoto capi_fail;\\
\t}
"""
cppmacros['FAILNULL']="""\\
#define FAILNULL(p) do { \\
if ((p) == NULL) { \\
PyErr_SetString(PyExc_MemoryError, "NULL pointer found"); \\
goto capi_fail; \\
} \\
} while (0)
"""
needs['MEMCOPY']=['string.h', 'FAILNULL']
cppmacros['MEMCOPY']="""\
#define MEMCOPY(to,from,n)\\
do { FAILNULL(to); FAILNULL(from); (void)memcpy(to,from,n); } while (0)
"""
cppmacros['STRINGMALLOC']="""\
#define STRINGMALLOC(str,len)\\
\tif ((str = (string)malloc(sizeof(char)*(len+1))) == NULL) {\\
\t\tPyErr_SetString(PyExc_MemoryError, \"out of memory\");\\
\t\tgoto capi_fail;\\
\t} else {\\
\t\t(str)[len] = '\\0';\\
\t}
"""
cppmacros['STRINGFREE']="""\
#define STRINGFREE(str) do {if (!(str == NULL)) free(str);} while (0)
"""
needs['STRINGCOPYN']=['string.h', 'FAILNULL']
cppmacros['STRINGCOPYN']="""\
#define STRINGCOPYN(to,from,buf_size) \\
do { \\
int _m = (buf_size); \\
char *_to = (to); \\
char *_from = (from); \\
FAILNULL(_to); FAILNULL(_from); \\
(void)strncpy(_to, _from, sizeof(char)*_m); \\
_to[_m-1] = '\\0'; \\
/* Padding with spaces instead of nulls */ \\
for (_m -= 2; _m >= 0 && _to[_m] == '\\0'; _m--) { \\
_to[_m] = ' '; \\
} \\
} while (0)
"""
needs['STRINGCOPY']=['string.h', 'FAILNULL']
cppmacros['STRINGCOPY']="""\
#define STRINGCOPY(to,from)\\
do { FAILNULL(to); FAILNULL(from); (void)strcpy(to,from); } while (0)
"""
cppmacros['CHECKGENERIC']="""\
#define CHECKGENERIC(check,tcheck,name) \\
\tif (!(check)) {\\
\t\tPyErr_SetString(#modulename#_error,\"(\"tcheck\") failed for \"name);\\
\t\t/*goto capi_fail;*/\\
\t} else """
cppmacros['CHECKARRAY']="""\
#define CHECKARRAY(check,tcheck,name) \\
\tif (!(check)) {\\
\t\tPyErr_SetString(#modulename#_error,\"(\"tcheck\") failed for \"name);\\
\t\t/*goto capi_fail;*/\\
\t} else """
cppmacros['CHECKSTRING']="""\
#define CHECKSTRING(check,tcheck,name,show,var)\\
\tif (!(check)) {\\
\t\tchar errstring[256];\\
\t\tsprintf(errstring, \"%s: \"show, \"(\"tcheck\") failed for \"name, slen(var), var);\\
\t\tPyErr_SetString(#modulename#_error, errstring);\\
\t\t/*goto capi_fail;*/\\
\t} else """
cppmacros['CHECKSCALAR']="""\
#define CHECKSCALAR(check,tcheck,name,show,var)\\
\tif (!(check)) {\\
\t\tchar errstring[256];\\
\t\tsprintf(errstring, \"%s: \"show, \"(\"tcheck\") failed for \"name, var);\\
\t\tPyErr_SetString(#modulename#_error,errstring);\\
\t\t/*goto capi_fail;*/\\
\t} else """
## cppmacros['CHECKDIMS']="""\
## #define CHECKDIMS(dims,rank) \\
## \tfor (int i=0;i<(rank);i++)\\
## \t\tif (dims[i]<0) {\\
## \t\t\tfprintf(stderr,\"Unspecified array argument requires a complete dimension specification.\\n\");\\
## \t\t\tgoto capi_fail;\\
## \t\t}
## """
cppmacros['ARRSIZE']='#define ARRSIZE(dims,rank) (_PyArray_multiply_list(dims,rank))'
cppmacros['OLDPYNUM']="""\
#ifdef OLDPYNUM
#error You need to intall Numeric Python version 13 or higher. Get it from http:/sourceforge.net/project/?group_id=1369
#endif
"""
################# C functions ###############
cfuncs['calcarrindex']="""\
static int calcarrindex(int *i,PyArrayObject *arr) {
\tint k,ii = i[0];
\tfor (k=1; k < arr->nd; k++)
\t\tii += (ii*(arr->dimensions[k] - 1)+i[k]); /* assuming contiguous arr */
\treturn ii;
}"""
cfuncs['calcarrindextr']="""\
static int calcarrindextr(int *i,PyArrayObject *arr) {
\tint k,ii = i[arr->nd-1];
\tfor (k=1; k < arr->nd; k++)
\t\tii += (ii*(arr->dimensions[arr->nd-k-1] - 1)+i[arr->nd-k-1]); /* assuming contiguous arr */
\treturn ii;
}"""
cfuncs['forcomb']="""\
static struct { int nd;npy_intp *d;int *i,*i_tr,tr; } forcombcache;
static int initforcomb(npy_intp *dims,int nd,int tr) {
int k;
if (dims==NULL) return 0;
if (nd<0) return 0;
forcombcache.nd = nd;
forcombcache.d = dims;
forcombcache.tr = tr;
if ((forcombcache.i = (int *)malloc(sizeof(int)*nd))==NULL) return 0;
if ((forcombcache.i_tr = (int *)malloc(sizeof(int)*nd))==NULL) return 0;
for (k=1;k<nd;k++) {
forcombcache.i[k] = forcombcache.i_tr[nd-k-1] = 0;
}
forcombcache.i[0] = forcombcache.i_tr[nd-1] = -1;
return 1;
}
static int *nextforcomb(void) {
int j,*i,*i_tr,k;
int nd=forcombcache.nd;
if ((i=forcombcache.i) == NULL) return NULL;
if ((i_tr=forcombcache.i_tr) == NULL) return NULL;
if (forcombcache.d == NULL) return NULL;
i[0]++;
if (i[0]==forcombcache.d[0]) {
j=1;
while ((j<nd) && (i[j]==forcombcache.d[j]-1)) j++;
if (j==nd) {
free(i);
free(i_tr);
return NULL;
}
for (k=0;k<j;k++) i[k] = i_tr[nd-k-1] = 0;
i[j]++;
i_tr[nd-j-1]++;
} else
i_tr[nd-1]++;
if (forcombcache.tr) return i_tr;
return i;
}"""
needs['try_pyarr_from_string']=['STRINGCOPYN','PRINTPYOBJERR','string']
cfuncs['try_pyarr_from_string']="""\
static int try_pyarr_from_string(PyObject *obj,const string str) {
\tPyArrayObject *arr = NULL;
\tif (PyArray_Check(obj) && (!((arr = (PyArrayObject *)obj) == NULL)))
\t\t{ STRINGCOPYN(arr->data,str,PyArray_NBYTES(arr)); }
\treturn 1;
capi_fail:
\tPRINTPYOBJERR(obj);
\tPyErr_SetString(#modulename#_error,\"try_pyarr_from_string failed\");
\treturn 0;
}
"""
needs['string_from_pyobj']=['string','STRINGMALLOC','STRINGCOPYN']
cfuncs['string_from_pyobj']="""\
static int string_from_pyobj(string *str,int *len,const string inistr,PyObject *obj,const char *errmess) {
\tPyArrayObject *arr = NULL;
\tPyObject *tmp = NULL;
#ifdef DEBUGCFUNCS
fprintf(stderr,\"string_from_pyobj(str='%s',len=%d,inistr='%s',obj=%p)\\n\",(char*)str,*len,(char *)inistr,obj);
#endif
\tif (obj == Py_None) {
\t\tif (*len == -1)
\t\t\t*len = strlen(inistr); /* Will this cause problems? */
\t\tSTRINGMALLOC(*str,*len);
\t\tSTRINGCOPYN(*str,inistr,*len+1);
\t\treturn 1;
\t}
\tif (PyArray_Check(obj)) {
\t\tif ((arr = (PyArrayObject *)obj) == NULL)
\t\t\tgoto capi_fail;
\t\tif (!ISCONTIGUOUS(arr)) {
\t\t\tPyErr_SetString(PyExc_ValueError,\"array object is non-contiguous.\");
\t\t\tgoto capi_fail;
\t\t}
\t\tif (*len == -1)
\t\t\t*len = (arr->descr->elsize)*PyArray_SIZE(arr);
\t\tSTRINGMALLOC(*str,*len);
\t\tSTRINGCOPYN(*str,arr->data,*len+1);
\t\treturn 1;
\t}
\tif (PyString_Check(obj)) {
\t\ttmp = obj;
\t\tPy_INCREF(tmp);
\t}
#if PY_VERSION_HEX >= 0x03000000
\telse if (PyUnicode_Check(obj)) {
\t\ttmp = PyUnicode_AsASCIIString(obj);
\t}
\telse {
\t\tPyObject *tmp2;
\t\ttmp2 = PyObject_Str(obj);
\t\tif (tmp2) {
\t\t\ttmp = PyUnicode_AsASCIIString(tmp2);
\t\t\tPy_DECREF(tmp2);
\t\t}
\t\telse {
\t\t\ttmp = NULL;
\t\t}
\t}
#else
\telse {
\t\ttmp = PyObject_Str(obj);
\t}
#endif
\tif (tmp == NULL) goto capi_fail;
\tif (*len == -1)
\t\t*len = PyString_GET_SIZE(tmp);
\tSTRINGMALLOC(*str,*len);
\tSTRINGCOPYN(*str,PyString_AS_STRING(tmp),*len+1);
\tPy_DECREF(tmp);
\treturn 1;
capi_fail:
\tPy_XDECREF(tmp);
\t{
\t\tPyObject* err = PyErr_Occurred();
\t\tif (err==NULL) err = #modulename#_error;
\t\tPyErr_SetString(err,errmess);
\t}
\treturn 0;
}
"""
needs['char_from_pyobj']=['int_from_pyobj']
cfuncs['char_from_pyobj']="""\
static int char_from_pyobj(char* v,PyObject *obj,const char *errmess) {
\tint i=0;
\tif (int_from_pyobj(&i,obj,errmess)) {
\t\t*v = (char)i;
\t\treturn 1;
\t}
\treturn 0;
}
"""
needs['signed_char_from_pyobj']=['int_from_pyobj','signed_char']
cfuncs['signed_char_from_pyobj']="""\
static int signed_char_from_pyobj(signed_char* v,PyObject *obj,const char *errmess) {
\tint i=0;
\tif (int_from_pyobj(&i,obj,errmess)) {
\t\t*v = (signed_char)i;
\t\treturn 1;
\t}
\treturn 0;
}
"""
needs['short_from_pyobj']=['int_from_pyobj']
cfuncs['short_from_pyobj']="""\
static int short_from_pyobj(short* v,PyObject *obj,const char *errmess) {
\tint i=0;
\tif (int_from_pyobj(&i,obj,errmess)) {
\t\t*v = (short)i;
\t\treturn 1;
\t}
\treturn 0;
}
"""
cfuncs['int_from_pyobj']="""\
static int int_from_pyobj(int* v,PyObject *obj,const char *errmess) {
\tPyObject* tmp = NULL;
\tif (PyInt_Check(obj)) {
\t\t*v = (int)PyInt_AS_LONG(obj);
\t\treturn 1;
\t}
\ttmp = PyNumber_Int(obj);
\tif (tmp) {
\t\t*v = PyInt_AS_LONG(tmp);
\t\tPy_DECREF(tmp);
\t\treturn 1;
\t}
\tif (PyComplex_Check(obj))
\t\ttmp = PyObject_GetAttrString(obj,\"real\");
\telse if (PyString_Check(obj) || PyUnicode_Check(obj))
\t\t/*pass*/;
\telse if (PySequence_Check(obj))
\t\ttmp = PySequence_GetItem(obj,0);
\tif (tmp) {
\t\tPyErr_Clear();
\t\tif (int_from_pyobj(v,tmp,errmess)) {Py_DECREF(tmp); return 1;}
\t\tPy_DECREF(tmp);
\t}
\t{
\t\tPyObject* err = PyErr_Occurred();
\t\tif (err==NULL) err = #modulename#_error;
\t\tPyErr_SetString(err,errmess);
\t}
\treturn 0;
}
"""
cfuncs['long_from_pyobj']="""\
static int long_from_pyobj(long* v,PyObject *obj,const char *errmess) {
\tPyObject* tmp = NULL;
\tif (PyInt_Check(obj)) {
\t\t*v = PyInt_AS_LONG(obj);
\t\treturn 1;
\t}
\ttmp = PyNumber_Int(obj);
\tif (tmp) {
\t\t*v = PyInt_AS_LONG(tmp);
\t\tPy_DECREF(tmp);
\t\treturn 1;
\t}
\tif (PyComplex_Check(obj))
\t\ttmp = PyObject_GetAttrString(obj,\"real\");
\telse if (PyString_Check(obj) || PyUnicode_Check(obj))
\t\t/*pass*/;
\telse if (PySequence_Check(obj))
\t\ttmp = PySequence_GetItem(obj,0);
\tif (tmp) {
\t\tPyErr_Clear();
\t\tif (long_from_pyobj(v,tmp,errmess)) {Py_DECREF(tmp); return 1;}
\t\tPy_DECREF(tmp);
\t}
\t{
\t\tPyObject* err = PyErr_Occurred();
\t\tif (err==NULL) err = #modulename#_error;
\t\tPyErr_SetString(err,errmess);
\t}
\treturn 0;
}
"""
needs['long_long_from_pyobj']=['long_long']
cfuncs['long_long_from_pyobj']="""\
static int long_long_from_pyobj(long_long* v,PyObject *obj,const char *errmess) {
\tPyObject* tmp = NULL;
\tif (PyLong_Check(obj)) {
\t\t*v = PyLong_AsLongLong(obj);
\t\treturn (!PyErr_Occurred());
\t}
\tif (PyInt_Check(obj)) {
\t\t*v = (long_long)PyInt_AS_LONG(obj);
\t\treturn 1;
\t}
\ttmp = PyNumber_Long(obj);
\tif (tmp) {
\t\t*v = PyLong_AsLongLong(tmp);
\t\tPy_DECREF(tmp);
\t\treturn (!PyErr_Occurred());
\t}
\tif (PyComplex_Check(obj))
\t\ttmp = PyObject_GetAttrString(obj,\"real\");
\telse if (PyString_Check(obj) || PyUnicode_Check(obj))
\t\t/*pass*/;
\telse if (PySequence_Check(obj))
\t\ttmp = PySequence_GetItem(obj,0);
\tif (tmp) {
\t\tPyErr_Clear();
\t\tif (long_long_from_pyobj(v,tmp,errmess)) {Py_DECREF(tmp); return 1;}
\t\tPy_DECREF(tmp);
\t}
\t{
\t\tPyObject* err = PyErr_Occurred();
\t\tif (err==NULL) err = #modulename#_error;
\t\tPyErr_SetString(err,errmess);
\t}
\treturn 0;
}
"""
needs['long_double_from_pyobj']=['double_from_pyobj','long_double']
cfuncs['long_double_from_pyobj']="""\
static int long_double_from_pyobj(long_double* v,PyObject *obj,const char *errmess) {
\tdouble d=0;
\tif (PyArray_CheckScalar(obj)){
\t\tif PyArray_IsScalar(obj, LongDouble) {
\t\t\tPyArray_ScalarAsCtype(obj, v);
\t\t\treturn 1;
\t\t}
\t\telse if (PyArray_Check(obj) && PyArray_TYPE(obj)==NPY_LONGDOUBLE) {
\t\t\t(*v) = *((npy_longdouble *)PyArray_DATA(obj));
\t\t\treturn 1;
\t\t}
\t}
\tif (double_from_pyobj(&d,obj,errmess)) {
\t\t*v = (long_double)d;
\t\treturn 1;
\t}
\treturn 0;
}
"""
cfuncs['double_from_pyobj']="""\
static int double_from_pyobj(double* v,PyObject *obj,const char *errmess) {
\tPyObject* tmp = NULL;
\tif (PyFloat_Check(obj)) {
#ifdef __sgi
\t\t*v = PyFloat_AsDouble(obj);
#else
\t\t*v = PyFloat_AS_DOUBLE(obj);
#endif
\t\treturn 1;
\t}
\ttmp = PyNumber_Float(obj);
\tif (tmp) {
#ifdef __sgi
\t\t*v = PyFloat_AsDouble(tmp);
#else
\t\t*v = PyFloat_AS_DOUBLE(tmp);
#endif
\t\tPy_DECREF(tmp);
\t\treturn 1;
\t}
\tif (PyComplex_Check(obj))
\t\ttmp = PyObject_GetAttrString(obj,\"real\");
\telse if (PyString_Check(obj) || PyUnicode_Check(obj))
\t\t/*pass*/;
\telse if (PySequence_Check(obj))
\t\ttmp = PySequence_GetItem(obj,0);
\tif (tmp) {
\t\tPyErr_Clear();
\t\tif (double_from_pyobj(v,tmp,errmess)) {Py_DECREF(tmp); return 1;}
\t\tPy_DECREF(tmp);
\t}
\t{
\t\tPyObject* err = PyErr_Occurred();
\t\tif (err==NULL) err = #modulename#_error;
\t\tPyErr_SetString(err,errmess);
\t}
\treturn 0;
}
"""
needs['float_from_pyobj']=['double_from_pyobj']
cfuncs['float_from_pyobj']="""\
static int float_from_pyobj(float* v,PyObject *obj,const char *errmess) {
\tdouble d=0.0;
\tif (double_from_pyobj(&d,obj,errmess)) {
\t\t*v = (float)d;
\t\treturn 1;
\t}
\treturn 0;
}
"""
needs['complex_long_double_from_pyobj']=['complex_long_double','long_double',
'complex_double_from_pyobj']
cfuncs['complex_long_double_from_pyobj']="""\
static int complex_long_double_from_pyobj(complex_long_double* v,PyObject *obj,const char *errmess) {
\tcomplex_double cd={0.0,0.0};
\tif (PyArray_CheckScalar(obj)){
\t\tif PyArray_IsScalar(obj, CLongDouble) {
\t\t\tPyArray_ScalarAsCtype(obj, v);
\t\t\treturn 1;
\t\t}
\t\telse if (PyArray_Check(obj) && PyArray_TYPE(obj)==NPY_CLONGDOUBLE) {
\t\t\t(*v).r = ((npy_clongdouble *)PyArray_DATA(obj))->real;
\t\t\t(*v).i = ((npy_clongdouble *)PyArray_DATA(obj))->imag;
\t\t\treturn 1;
\t\t}
\t}
\tif (complex_double_from_pyobj(&cd,obj,errmess)) {
\t\t(*v).r = (long_double)cd.r;
\t\t(*v).i = (long_double)cd.i;
\t\treturn 1;
\t}
\treturn 0;
}
"""
needs['complex_double_from_pyobj']=['complex_double']
cfuncs['complex_double_from_pyobj']="""\
static int complex_double_from_pyobj(complex_double* v,PyObject *obj,const char *errmess) {
\tPy_complex c;
\tif (PyComplex_Check(obj)) {
\t\tc=PyComplex_AsCComplex(obj);
\t\t(*v).r=c.real, (*v).i=c.imag;
\t\treturn 1;
\t}
\tif (PyArray_IsScalar(obj, ComplexFloating)) {
\t\tif (PyArray_IsScalar(obj, CFloat)) {
\t\t\tnpy_cfloat new;
\t\t\tPyArray_ScalarAsCtype(obj, &new);
\t\t\t(*v).r = (double)new.real;
\t\t\t(*v).i = (double)new.imag;
\t\t}
\t\telse if (PyArray_IsScalar(obj, CLongDouble)) {
\t\t\tnpy_clongdouble new;
\t\t\tPyArray_ScalarAsCtype(obj, &new);
\t\t\t(*v).r = (double)new.real;
\t\t\t(*v).i = (double)new.imag;
\t\t}
\t\telse { /* if (PyArray_IsScalar(obj, CDouble)) */
\t\t\tPyArray_ScalarAsCtype(obj, v);
\t\t}
\t\treturn 1;
\t}
\tif (PyArray_CheckScalar(obj)) { /* 0-dim array or still array scalar */
\t\tPyObject *arr;
\t\tif (PyArray_Check(obj)) {
\t\t\tarr = PyArray_Cast((PyArrayObject *)obj, NPY_CDOUBLE);
\t\t}
\t\telse {
\t\t\tarr = PyArray_FromScalar(obj, PyArray_DescrFromType(NPY_CDOUBLE));
\t\t}
\t\tif (arr==NULL) return 0;
\t\t(*v).r = ((npy_cdouble *)PyArray_DATA(arr))->real;
\t\t(*v).i = ((npy_cdouble *)PyArray_DATA(arr))->imag;
\t\treturn 1;
\t}
\t/* Python does not provide PyNumber_Complex function :-( */
\t(*v).i=0.0;
\tif (PyFloat_Check(obj)) {
#ifdef __sgi
\t\t(*v).r = PyFloat_AsDouble(obj);
#else
\t\t(*v).r = PyFloat_AS_DOUBLE(obj);
#endif
\t\treturn 1;
\t}
\tif (PyInt_Check(obj)) {
\t\t(*v).r = (double)PyInt_AS_LONG(obj);
\t\treturn 1;
\t}
\tif (PyLong_Check(obj)) {
\t\t(*v).r = PyLong_AsDouble(obj);
\t\treturn (!PyErr_Occurred());
\t}
\tif (PySequence_Check(obj) && !(PyString_Check(obj) || PyUnicode_Check(obj))) {
\t\tPyObject *tmp = PySequence_GetItem(obj,0);
\t\tif (tmp) {
\t\t\tif (complex_double_from_pyobj(v,tmp,errmess)) {
\t\t\t\tPy_DECREF(tmp);
\t\t\t\treturn 1;
\t\t\t}
\t\t\tPy_DECREF(tmp);
\t\t}
\t}
\t{
\t\tPyObject* err = PyErr_Occurred();
\t\tif (err==NULL)
\t\t\terr = PyExc_TypeError;
\t\tPyErr_SetString(err,errmess);
\t}
\treturn 0;
}
"""
needs['complex_float_from_pyobj']=['complex_float','complex_double_from_pyobj']
cfuncs['complex_float_from_pyobj']="""\
static int complex_float_from_pyobj(complex_float* v,PyObject *obj,const char *errmess) {
\tcomplex_double cd={0.0,0.0};
\tif (complex_double_from_pyobj(&cd,obj,errmess)) {
\t\t(*v).r = (float)cd.r;
\t\t(*v).i = (float)cd.i;
\t\treturn 1;
\t}
\treturn 0;
}
"""
needs['try_pyarr_from_char']=['pyobj_from_char1','TRYPYARRAYTEMPLATE']
cfuncs['try_pyarr_from_char']='static int try_pyarr_from_char(PyObject* obj,char* v) {\n\tTRYPYARRAYTEMPLATE(char,\'c\');\n}\n'
needs['try_pyarr_from_signed_char']=['TRYPYARRAYTEMPLATE','unsigned_char']
cfuncs['try_pyarr_from_unsigned_char']='static int try_pyarr_from_unsigned_char(PyObject* obj,unsigned_char* v) {\n\tTRYPYARRAYTEMPLATE(unsigned_char,\'b\');\n}\n'
needs['try_pyarr_from_signed_char']=['TRYPYARRAYTEMPLATE','signed_char']
cfuncs['try_pyarr_from_signed_char']='static int try_pyarr_from_signed_char(PyObject* obj,signed_char* v) {\n\tTRYPYARRAYTEMPLATE(signed_char,\'1\');\n}\n'
needs['try_pyarr_from_short']=['pyobj_from_short1','TRYPYARRAYTEMPLATE']
cfuncs['try_pyarr_from_short']='static int try_pyarr_from_short(PyObject* obj,short* v) {\n\tTRYPYARRAYTEMPLATE(short,\'s\');\n}\n'
needs['try_pyarr_from_int']=['pyobj_from_int1','TRYPYARRAYTEMPLATE']
cfuncs['try_pyarr_from_int']='static int try_pyarr_from_int(PyObject* obj,int* v) {\n\tTRYPYARRAYTEMPLATE(int,\'i\');\n}\n'