#ifndef NATIVE_JSON_NUMBERS_H
#define NATIVE_JSON_NUMBERS_H
#include <stddef.h>
#include <stdio.h>

#define NATIVE_JSON_DOUBLE_CAPACITY 32

/* Locale-independent finite binary64 token; no terminating NUL is promised.
 * Returns its length, or zero for NaN/Infinity. Negative zero is -0.0 so both
 * Python and JavaScript JSON readers preserve its sign. */
int native_json_format_double(char output[NATIVE_JSON_DOUBLE_CAPACITY], double value);

/* Write a number, or a complete array from values[i*stride]. Each call flushes
 * its own fixed-size buffer into FILE, but does not fflush/fclose the FILE.
 * Return zero on invalid input/nonfinite values/write failure. A failed array
 * may have written a prefix: callers must not publish that document as valid.
 * The caller owns FILE and must check its final flush/close before publishing. */
int native_json_write_number(FILE *file, double value);
int native_json_write_array(FILE *file, const double *values, size_t count, size_t stride);
#endif