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author | Kenta Murata <mrkn@mrkn.jp> | 2021-12-02 17:03:33 +0900 |
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committer | Kenta Murata <mrkn@mrkn.jp> | 2021-12-24 02:28:59 +0900 |
commit | ea713009ba72a2bfd6929145df40386cf59de2d7 (patch) | |
tree | 9c671c9d1fe47fc47dfbcf5a8e60f156cfd5407c | |
parent | aca96f7ec7899da98df7ece5831730bcf013a76f (diff) | |
download | ruby-ea713009ba72a2bfd6929145df40386cf59de2d7.tar.gz |
[ruby/bigdecimal] [Doc] Add documentation of BigDecimal#n_significant_digits
https://github.com/ruby/bigdecimal/commit/ceaf16b03e
-rw-r--r-- | ext/bigdecimal/bigdecimal.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index fa7ae62f7f..70e1bf7e7e 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -481,6 +481,22 @@ BigDecimal_scale(VALUE self) return SSIZET2NUM(scale); } +/* + * call-seq: + * n_significant_digits -> integer + * + * Returns the number of decimal significant digits in +self+. + * + * BigDecimal("0").scale # => 0 + * BigDecimal("1").scale # => 1 + * BigDecimal("1.1").scale # => 2 + * BigDecimal("3.1415").scale # => 5 + * BigDecimal("-1e20").precision # => 1 + * BigDecimal("1e-20").precision # => 1 + * BigDecimal("Infinity").scale # => 0 + * BigDecimal("-Infinity").scale # => 0 + * BigDecimal("NaN").scale # => 0 + */ static VALUE BigDecimal_n_significant_digits(VALUE self) { |