/* Copyright 2019-2021 David Robillard Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "decimal.h" #include "read_utils.h" #include "scientific.h" #include "strtod.h" #include "write_utils.h" #include "exess/exess.h" #include #include ExessResult exess_read_double(double* const out, const char* const str) { *out = (double)NAN; const size_t i = skip_whitespace(str); ExessDecimalDouble in = {EXESS_NAN, 0u, 0, {0}}; const ExessResult r = parse_double(&in, str + i); if (!r.status) { *out = parsed_double_to_double(in); } return result(r.status, i + r.count); } ExessResult exess_write_double(const double value, const size_t buf_size, char* const buf) { const ExessDecimalDouble decimal = exess_measure_double(value); const ExessResult r = buf ? exess_write_scientific(decimal, buf_size, buf) : result(EXESS_SUCCESS, exess_scientific_string_length(decimal)); return end_write(r.status, buf_size, buf, r.count); }