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#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
typedef uint32_t ULong;
struct
Bigint {
struct Bigint *next;
int k, maxwds, sign, wds;
ULong x[1];
};
#if defined(Py_USING_MEMORY_DEBUGGER) || _PY_SHORT_FLOAT_REPR == 0
struct _dtoa_state {
int _not_used;
};
#define _dtoa_state_INIT(INTERP) \
{0}
#else // !Py_USING_MEMORY_DEBUGGER && _PY_SHORT_FLOAT_REPR != 0
/* The size of the Bigint freelist */
#define Bigint_Kmax 7
#ifndef PRIVATE_MEM
#define PRIVATE_MEM 2304
#endif
#define Bigint_PREALLOC_SIZE \
((PRIVATE_MEM+sizeof(double)-1)/sizeof(double))
struct _dtoa_state {
/* p5s is a linked list of powers of 5 of the form 5**(2**i), i >= 2 */
// XXX This should be freed during runtime fini.
struct Bigint *p5s;
struct Bigint *freelist[Bigint_Kmax+1];
double preallocated[Bigint_PREALLOC_SIZE];
double *preallocated_next;
};
#define _dtoa_state_INIT(INTERP) \
{ \
.preallocated_next = (INTERP)->dtoa.preallocated, \
}
#endif // !Py_USING_MEMORY_DEBUGGER
/* These functions are used by modules compiled as C extension like math:
they must be exported. */
PyAPI_FUNC(double) _Py_dg_strtod(const char *str, char **ptr);
PyAPI_FUNC(char *) _Py_dg_dtoa(double d, int mode, int ndigits,
int *decpt, int *sign, char **rve);
PyAPI_FUNC(void) _Py_dg_freedtoa(char *s);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_DTOA_H */
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