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| author | David Robillard <d@drobilla.net> | 2019-12-18 20:05:18 -0500 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2020-10-27 13:13:58 +0100 |
| commit | bf00e111df96c634f480eac9427238f99ac166d6 (patch) | |
| tree | dfa68b6bae0dd5208f2814cdb9988848a1ba9a2e /src | |
| parent | 00c7fe7bb9b7c409c3922431c9fefd348e4f8346 (diff) | |
| download | serd-bf00e111df96c634f480eac9427238f99ac166d6.tar.gz serd-bf00e111df96c634f480eac9427238f99ac166d6.tar.bz2 serd-bf00e111df96c634f480eac9427238f99ac166d6.zip | |
Add support for parsing NaN, INF, and -INF
Diffstat (limited to 'src')
| -rw-r--r-- | src/string.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/string.c b/src/string.c index 1e7e9348..9a6b4ff6 100644 --- a/src/string.c +++ b/src/string.c @@ -113,6 +113,19 @@ serd_strtod(const char* str, size_t* end) { double result = 0.0; +#define SET_END(index) do { if (end) { *end = index; } } while (0) + + if (!strcmp(str, "NaN")) { + SET_END(3); + return NAN; + } else if (!strcmp(str, "-INF")) { + SET_END(4); + return -INFINITY; + } else if (!strcmp(str, "INF")) { + SET_END(3); + return INFINITY; + } + // Point s at the first non-whitespace character const char* s = str; while (is_space(*s)) { ++s; } @@ -145,9 +158,6 @@ serd_strtod(const char* str, size_t* end) result *= pow(10, expt * expt_sign); } - if (end) { - *end = s - str; - } - + SET_END(s - str); return result * sign; } |