Function createStringObjectFromLongDouble

app/redis-6.2.6/src/object.c:194–198

Create a string object from a long double. If humanfriendly is non-zero * it does not use exponential format and trims trailing zeroes at the end, * however this results in loss of precision. Otherwise exp format is used * and the output of snprintf() is not modified. * * The 'humanfriendly' option is used for INCRBYFLOAT and HINCRBYFLOAT. */

 *
 * The 'humanfriendly' option is used for INCRBYFLOAT and HINCRBYFLOAT. */
robj *createStringObjectFromLongDouble(long double value, int humanfriendly) {
    char buf[MAX_LONG_DOUBLE_CHARS];
    int len = ld2string(buf,sizeof(buf),value,humanfriendly? LD_STR_HUMAN: LD_STR_AUTO);
    return createStringObject(buf,len);
}

/* Duplicate a string object, with the guarantee that the returned object
 * has the same encoding as the original one.