diff options
| -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) { |