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annotate Include/floatobject.h @ 6719:faebc1940432 legacy-trunk

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author Guido van Rossum <guido@python.org>
date Tue, 02 Dec 1997 20:38:11 +0000
parents 04a1b82c832b
children 60fdb1db1175
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1 #ifndef Py_FLOATOBJECT_H
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2 #define Py_FLOATOBJECT_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 /***********************************************************
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8 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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9 The Netherlands.
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10
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11 All Rights Reserved
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12
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13 Permission to use, copy, modify, and distribute this software and its
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14 documentation for any purpose and without fee is hereby granted,
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15 provided that the above copyright notice appear in all copies and that
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16 both that copyright notice and this permission notice appear in
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17 supporting documentation, and that the names of Stichting Mathematisch
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18 Centrum or CWI or Corporation for National Research Initiatives or
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19 CNRI not be used in advertising or publicity pertaining to
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20 distribution of the software without specific, written prior
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21 permission.
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22
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23 While CWI is the initial source for this software, a modified version
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24 is made available by the Corporation for National Research Initiatives
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25 (CNRI) at the Internet address ftp://ftp.python.org.
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26
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27 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
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28 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
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29 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
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30 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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31 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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32 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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33 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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34 PERFORMANCE OF THIS SOFTWARE.
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35
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36 ******************************************************************/
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37
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38 /* Float object interface */
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39
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40 /*
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41 PyFloatObject represents a (double precision) floating point number.
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42 */
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43
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44 typedef struct {
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45 PyObject_HEAD
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46 double ob_fval;
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47 } PyFloatObject;
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48
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49 extern DL_IMPORT(PyTypeObject) PyFloat_Type;
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50
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51 #define PyFloat_Check(op) ((op)->ob_type == &PyFloat_Type)
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52
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53 extern PyObject *PyFloat_FromDouble Py_PROTO((double));
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54 extern double PyFloat_AsDouble Py_PROTO((PyObject *));
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56 /* Macro, trading safety for speed */
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57 #define PyFloat_AS_DOUBLE(op) (((PyFloatObject *)(op))->ob_fval)
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58
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59 #ifdef __cplusplus
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60 }
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61 #endif
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62 #endif /* !Py_FLOATOBJECT_H */