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Diffstat (limited to 'subprojects/exess/src/float.c')
-rw-r--r-- | subprojects/exess/src/float.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/subprojects/exess/src/float.c b/subprojects/exess/src/float.c new file mode 100644 index 00000000..bcc6d49a --- /dev/null +++ b/subprojects/exess/src/float.c @@ -0,0 +1,44 @@ +/* + Copyright 2019-2021 David Robillard <d@drobilla.net> + + 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 "exess/exess.h" + +#include <math.h> +#include <string.h> + +ExessResult +exess_read_float(float* const out, const char* const str) +{ + double value = (double)NAN; + const ExessResult r = exess_read_double(&value, str); + + *out = (float)value; + + return r; +} + +ExessResult +exess_write_float(const float value, const size_t buf_size, char* const buf) +{ + const ExessDecimalDouble decimal = exess_measure_float(value); + + return buf ? exess_write_scientific(decimal, buf_size, buf) + : result(EXESS_SUCCESS, exess_scientific_string_length(decimal)); +} |