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files >> //opt/alt/python312/include/python3.12/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 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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