cpython/Include/internal/pycore_dtoa.h

#ifndef Py_INTERNAL_DTOA_H
#define Py_INTERNAL_DTOA_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

#include "pycore_pymath.h"        // _PY_SHORT_FLOAT_REPR


ULong;

struct
Bigint { … };

#if defined(Py_USING_MEMORY_DEBUGGER) || _PY_SHORT_FLOAT_REPR == 0

struct _dtoa_state {
    int _not_used;
};
#define _dtoa_state_INIT …

#else  // !Py_USING_MEMORY_DEBUGGER && _PY_SHORT_FLOAT_REPR != 0

/* The size of the Bigint freelist */
#define Bigint_Kmax …

/* The size of the cached powers of 5 array */
#define Bigint_Pow5size …

#ifndef PRIVATE_MEM
#define PRIVATE_MEM …
#endif
#define Bigint_PREALLOC_SIZE …

struct _dtoa_state { … };
#define _dtoa_state_INIT(INTERP) …

#endif  // !Py_USING_MEMORY_DEBUGGER


extern double _Py_dg_strtod(const char *str, char **ptr);
extern char* _Py_dg_dtoa(double d, int mode, int ndigits,
                         int *decpt, int *sign, char **rve);
extern void _Py_dg_freedtoa(char *s);


extern PyStatus _PyDtoa_Init(PyInterpreterState *interp);
extern void _PyDtoa_Fini(PyInterpreterState *interp);


#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_DTOA_H */