diff options
| author | drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-12-07 01:58:59 +0000 |
|---|---|---|
| committer | drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-12-07 01:58:59 +0000 |
| commit | 3a5daefe1f3e7b55571febe2e50d736fa7bed82e (patch) | |
| tree | 1355b44543176c3c75d69bfd93d6e509c78ef0ee /ext/bigdecimal/bigdecimal.c | |
| parent | 12e7e79727527175572f74b144a331d288d620c2 (diff) | |
* ext/bigdecimal/bigdecimal.c: Document +@, -@, hash, INFINITY, Nan.
Patch by Sylvain Daubert. [Ruby 1.9 - Feature #5622]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33969 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/bigdecimal/bigdecimal.c')
| -rw-r--r-- | ext/bigdecimal/bigdecimal.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index 749d681071..8b5b68e8ea 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -312,6 +312,12 @@ BigDecimal_prec(VALUE self) return obj; } +/* + * call-seq: hash + * + * Creates a hash for this BigDecimal. Two BigDecimals with equal sign, + * fractional part and exponent have the same hash. + */ static VALUE BigDecimal_hash(VALUE self) { @@ -786,6 +792,14 @@ BigDecimal_coerce(VALUE self, VALUE other) return obj; } +/* + * call-seq: +@ + * + * Return self. + * + * e.g. + * b = +a # b == a + */ static VALUE BigDecimal_uplus(VALUE self) { @@ -1052,6 +1066,14 @@ BigDecimal_ge(VALUE self, VALUE r) return BigDecimalCmp(self, r, 'G'); } +/* + * call-seq: -@ + * + * Return the negation of self. + * + * e.g. + * b = -a # b == a * -1 + */ static VALUE BigDecimal_neg(VALUE self) { @@ -2929,8 +2951,10 @@ Init_bigdecimal(void) rb_define_const(rb_cBigDecimal, "SIGN_NEGATIVE_INFINITE",INT2FIX(VP_SIGN_NEGATIVE_INFINITE)); arg = rb_str_new2("+Infinity"); + /* Positive infinity value. */ rb_define_const(rb_cBigDecimal, "INFINITY", BigDecimal_global_new(1, &arg, rb_cBigDecimal)); arg = rb_str_new2("NaN"); + /* 'Not a Number' value. */ rb_define_const(rb_cBigDecimal, "NAN", BigDecimal_global_new(1, &arg, rb_cBigDecimal)); |