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-rw-r--r--subprojects/exess/src/float.c44
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+/*
+ 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));
+}