cpython/Include/internal/pycore_floatobject.h
Sergey B Kirpichev dae85c4d93
gh-145633: Remove support for ancient ARM platforms with mixed-endian doubles (#145634)
* Drop DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754 macro.
* Use DOUBLE_IS_BIG/LITTLE_ENDIAN_IEEE754 to detect endianness of
  float/doubles.
* Drop "unknown_format" code path in PyFloat_Pack/Unpack*().

Co-authored-by: Victor Stinner <vstinner@python.org>
2026-03-11 12:39:24 +01:00

57 lines
1.4 KiB
C

#ifndef Py_INTERNAL_FLOATOBJECT_H
#define Py_INTERNAL_FLOATOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_unicodeobject.h" // _PyUnicodeWriter
/* runtime lifecycle */
extern PyStatus _PyFloat_InitTypes(PyInterpreterState *);
extern void _PyFloat_FiniType(PyInterpreterState *);
PyAPI_FUNC(void) _PyFloat_ExactDealloc(PyObject *op);
extern void _PyFloat_DebugMallocStats(FILE* out);
/* Format the object based on the format_spec, as defined in PEP 3101
(Advanced String Formatting). */
extern int _PyFloat_FormatAdvancedWriter(
_PyUnicodeWriter *writer,
PyObject *obj,
PyObject *format_spec,
Py_ssize_t start,
Py_ssize_t end);
extern PyObject* _Py_string_to_number_with_underscores(
const char *str, Py_ssize_t len, const char *what, PyObject *obj, void *arg,
PyObject *(*innerfunc)(const char *, Py_ssize_t, void *));
extern double _Py_parse_inf_or_nan(const char *p, char **endptr);
extern int _Py_convert_int_to_double(PyObject **v, double *dbl);
/* Should match endianness of the platform in most (all?) cases. */
#ifdef DOUBLE_IS_BIG_ENDIAN_IEEE754
# define _PY_FLOAT_BIG_ENDIAN 1
# define _PY_FLOAT_LITTLE_ENDIAN 0
#else
# define _PY_FLOAT_BIG_ENDIAN 0
# define _PY_FLOAT_LITTLE_ENDIAN 1
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_FLOATOBJECT_H */