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allendowney
GitHub Repository: allendowney/cpython
 Path: blob/main/Include/internal/pycore_floatobject.h
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#ifndef Py_INTERNAL_FLOATOBJECT_H

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#define Py_INTERNAL_FLOATOBJECT_H

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#ifdef __cplusplus

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extern "C" {

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#endif

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#ifndef Py_BUILD_CORE

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#  error "this header requires Py_BUILD_CORE define"

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#endif

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/* runtime lifecycle */

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extern void _PyFloat_InitState(PyInterpreterState *);

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extern PyStatus _PyFloat_InitTypes(PyInterpreterState *);

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extern void _PyFloat_Fini(PyInterpreterState *);

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extern void _PyFloat_FiniType(PyInterpreterState *);

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/* other API */

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enum _py_float_format_type {

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    _py_float_format_unknown,

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    _py_float_format_ieee_big_endian,

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    _py_float_format_ieee_little_endian,

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};

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struct _Py_float_runtime_state {

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    enum _py_float_format_type float_format;

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    enum _py_float_format_type double_format;

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};

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#ifndef WITH_FREELISTS

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// without freelists

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#  define PyFloat_MAXFREELIST 0

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#endif

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#ifndef PyFloat_MAXFREELIST

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#  define PyFloat_MAXFREELIST   100

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#endif

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struct _Py_float_state {

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#if PyFloat_MAXFREELIST > 0

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    /* Special free list

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       free_list is a singly-linked list of available PyFloatObjects,

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       linked via abuse of their ob_type members. */

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    int numfree;

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    PyFloatObject *free_list;

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#endif

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};

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void _PyFloat_ExactDealloc(PyObject *op);

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PyAPI_FUNC(void) _PyFloat_DebugMallocStats(FILE* out);

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/* Format the object based on the format_spec, as defined in PEP 3101

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   (Advanced String Formatting). */

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PyAPI_FUNC(int) _PyFloat_FormatAdvancedWriter(

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    _PyUnicodeWriter *writer,

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    PyObject *obj,

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    PyObject *format_spec,

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    Py_ssize_t start,

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    Py_ssize_t end);

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#ifdef __cplusplus

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}

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#endif

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#endif /* !Py_INTERNAL_FLOATOBJECT_H */

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