ufunc.hpp File Reference

#include "eigenpy/register.hpp"
#include "eigenpy/user-type.hpp"

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Namespaces
	eigenpy
	eigenpy::internal

Macros
#define	EIGENPY_NPY_CONST_UFUNC_ARG
#define	EIGENPY_REGISTER_BINARY_OPERATOR(name, op)
#define	EIGENPY_REGISTER_BINARY_UFUNC(name, code, T1, T2, R)
#define	EIGENPY_REGISTER_UNARY_OPERATOR(name, op)
#define	EIGENPY_REGISTER_UNARY_UFUNC(name, code, T, R)

Functions
template<typename T >
void	eigenpy::internal::gufunc_matrix_multiply (char **args, npy_intp EIGENPY_NPY_CONST_UFUNC_ARG *dimensions, npy_intp EIGENPY_NPY_CONST_UFUNC_ARG *steps, void *NPY_UNUSED(func))
template<typename T >
void	eigenpy::internal::matrix_multiply (char **args, npy_intp const *dimensions, npy_intp const *steps)
template<typename Scalar >
void	eigenpy::registerCommonUfunc ()

Macro Definition Documentation

EIGENPY_NPY_CONST_UFUNC_ARG

#define EIGENPY_NPY_CONST_UFUNC_ARG

Definition at line 19 of file ufunc.hpp.

EIGENPY_REGISTER_BINARY_OPERATOR

#define EIGENPY_REGISTER_BINARY_OPERATOR	(		name,
			op
	)

Value:

  template <typename T1, typename T2, typename R>                            \
  void binary_op_##name(                                                     \
      char **args, EIGENPY_NPY_CONST_UFUNC_ARG npy_intp *dimensions,         \
      EIGENPY_NPY_CONST_UFUNC_ARG npy_intp *steps, void * /*data*/) {        \
    npy_intp is0 = steps[0], is1 = steps[1], os = steps[2], n = *dimensions; \
    char *i0 = args[0], *i1 = args[1], *o = args[2];                         \
    int k;                                                                   \
    for (k = 0; k < n; k++) {                                                \
      T1 &x = *static_cast<T1 *>(static_cast<void *>(i0));                   \
      T2 &y = *static_cast<T2 *>(static_cast<void *>(i1));                   \
      R &res = *static_cast<R *>(static_cast<void *>(o));                    \
      res = x op y;                                                          \
      i0 += is0;                                                             \
      i1 += is1;                                                             \
      o += os;                                                               \
    }                                                                        \
  }                                                                          \
                                                                             \
  template <typename T>                                                      \
  void binary_op_##name(                                                     \
      char **args, EIGENPY_NPY_CONST_UFUNC_ARG npy_intp *dimensions,         \
      EIGENPY_NPY_CONST_UFUNC_ARG npy_intp *steps, void *data) {             \
    binary_op_##name<T, T, T>(args, dimensions, steps, data);                \
  }

Definition at line 91 of file ufunc.hpp.

EIGENPY_REGISTER_BINARY_UFUNC

#define EIGENPY_REGISTER_BINARY_UFUNC	(		name,
			code,
			T1,
			T2,
			R
	)

Value:

  {                                                                            \
    PyUFuncObject *ufunc =                                                     \
        (PyUFuncObject *)PyObject_GetAttrString(numpy, #name);                 \
    int _types[3] = {Register::getTypeCode<T1>(), Register::getTypeCode<T2>(), \
                     Register::getTypeCode<R>()};                              \
    if (!ufunc) {                                                              \
      /*goto fail; \*/                                                         \
    }                                                                          \
    if (sizeof(_types) / sizeof(int) != ufunc->nargs) {                        \
      PyErr_Format(PyExc_AssertionError,                                       \
                   "ufunc %s takes %d arguments, our loop takes %lu", #name,   \
                   ufunc->nargs,                                               \
                   (unsigned long)(sizeof(_types) / sizeof(int)));             \
      Py_DECREF(ufunc);                                                        \
    }                                                                          \
    if (PyUFunc_RegisterLoopForType((PyUFuncObject *)ufunc, code,              \
                                    internal::binary_op_##name<T1, T2, R>,     \
                                    _types, 0) < 0) {                          \
      /*Py_DECREF(ufunc);*/                                                    \
      /*goto fail; \*/                                                         \
    }                                                                          \
    Py_DECREF(ufunc);                                                          \
  }

Definition at line 156 of file ufunc.hpp.

EIGENPY_REGISTER_UNARY_OPERATOR

#define EIGENPY_REGISTER_UNARY_OPERATOR	(		name,
			op
	)

Value:

  template <typename T, typename R>                                   \
  void unary_op_##name(                                               \
      char **args, EIGENPY_NPY_CONST_UFUNC_ARG npy_intp *dimensions,  \
      EIGENPY_NPY_CONST_UFUNC_ARG npy_intp *steps, void * /*data*/) { \
    npy_intp is = steps[0], os = steps[1], n = *dimensions;           \
    char *i = args[0], *o = args[1];                                  \
    int k;                                                            \
    for (k = 0; k < n; k++) {                                         \
      T &x = *static_cast<T *>(static_cast<void *>(i));               \
      R &res = *static_cast<R *>(static_cast<void *>(o));             \
      res = op x;                                                     \
      i += is;                                                        \
      o += os;                                                        \
    }                                                                 \
  }                                                                   \
                                                                      \
  template <typename T>                                               \
  void unary_op_##name(                                               \
      char **args, EIGENPY_NPY_CONST_UFUNC_ARG npy_intp *dimensions,  \
      EIGENPY_NPY_CONST_UFUNC_ARG npy_intp *steps, void *data) {      \
    unary_op_##name<T, T>(args, dimensions, steps, data);             \
  }

Definition at line 128 of file ufunc.hpp.

EIGENPY_REGISTER_UNARY_UFUNC

#define EIGENPY_REGISTER_UNARY_UFUNC	(		name,
			code,
			T,
			R
	)

Value:

  {                                                                           \
    PyUFuncObject *ufunc =                                                    \
        (PyUFuncObject *)PyObject_GetAttrString(numpy, #name);                \
    int _types[2] = {Register::getTypeCode<T>(), Register::getTypeCode<R>()}; \
    if (!ufunc) {                                                             \
      /*goto fail; \*/                                                        \
    }                                                                         \
    if (sizeof(_types) / sizeof(int) != ufunc->nargs) {                       \
      PyErr_Format(PyExc_AssertionError,                                      \
                   "ufunc %s takes %d arguments, our loop takes %lu", #name,  \
                   ufunc->nargs,                                              \
                   (unsigned long)(sizeof(_types) / sizeof(int)));            \
      Py_DECREF(ufunc);                                                       \
    }                                                                         \
    if (PyUFunc_RegisterLoopForType((PyUFuncObject *)ufunc, code,             \
                                    internal::unary_op_##name<T, R>, _types,  \
                                    0) < 0) {                                 \
      /*Py_DECREF(ufunc);*/                                                   \
      /*goto fail; \*/                                                        \
    }                                                                         \
    Py_DECREF(ufunc);                                                         \
  }

Definition at line 181 of file ufunc.hpp.