diff options
Diffstat (limited to 'include/ruby/util.h')
| -rw-r--r-- | include/ruby/util.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/ruby/util.h b/include/ruby/util.h index 5be5f2e0b4..8443af74d9 100644 --- a/include/ruby/util.h +++ b/include/ruby/util.h @@ -47,6 +47,9 @@ extern "C" { RUBY_SYMBOL_EXPORT_BEGIN +#define DECIMAL_SIZE_OF_BITS(n) (((n) * 3010 + 9998) / 9999) +/* an approximation of ceil(n * log10(2)), upto 65536 at least */ + #define scan_oct(s,l,e) ((int)ruby_scan_oct((s),(l),(e))) unsigned long ruby_scan_oct(const char *, size_t, size_t *); #define scan_hex(s,l,e) ((int)ruby_scan_hex((s),(l),(e))) |