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annotate Include/complexobject.h @ 4037:ca39355be55a legacy-trunk

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Add prototypes for c_sum() etc.
author Guido van Rossum <guido@python.org>
date Mon, 19 Aug 1996 22:04:54 +0000
parents db5488fe495b
children 60fdb1db1175
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1 #ifndef COMPLEXOBJECT_H
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2 #define COMPLEXOBJECT_H
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3 #ifdef __cplusplus
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4 extern "C" {
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5 #endif
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6
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7 /* Complex number structure */
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8
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9 typedef struct {
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10 double real;
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11 double imag;
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12 } Py_complex;
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13
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14 /* Operations on complex numbers from complexmodule.c */
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15
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16 #define c_sum _Py_c_sum
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17 #define c_diff _Py_c_diff
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18 #define c_neg _Py_c_neg
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19 #define c_prod _Py_c_prod
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20 #define c_quot _Py_c_quot
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21 #define c_pow _Py_c_pow
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22
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23 extern Py_complex c_sum Py_PROTO((Py_complex, Py_complex));
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24 extern Py_complex c_diff Py_PROTO((Py_complex, Py_complex));
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25 extern Py_complex c_neg Py_PROTO((Py_complex));
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26 extern Py_complex c_prod Py_PROTO((Py_complex, Py_complex));
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27 extern Py_complex c_quot Py_PROTO((Py_complex, Py_complex));
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28 extern Py_complex c_pow Py_PROTO((Py_complex, Py_complex));
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29
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30
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31 /* Complex object interface */
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32
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33 /*
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34 PyComplexObject represents a complex number with double-precision
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35 real and imaginary parts.
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36 */
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37
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38 typedef struct {
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39 PyObject_HEAD
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40 Py_complex cval;
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41 } PyComplexObject;
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42
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43 extern DL_IMPORT(PyTypeObject) PyComplex_Type;
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44
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45 #define PyComplex_Check(op) ((op)->ob_type == &PyComplex_Type)
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46
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47 extern PyObject *PyComplex_FromCComplex Py_PROTO((Py_complex));
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48 extern PyObject *PyComplex_FromDoubles Py_PROTO((double real, double imag));
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49
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50 extern double PyComplex_RealAsDouble Py_PROTO((PyObject *op));
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51 extern double PyComplex_ImagAsDouble Py_PROTO((PyObject *op));
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52 extern Py_complex PyComplex_AsCComplex Py_PROTO((PyObject *op));
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53
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54 #ifdef __cplusplus
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55 }
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56 #endif
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57 #endif /* !COMPLEXOBJECT_H */