diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | ext/bigdecimal/bigdecimal.c | 6 | ||||
| -rw-r--r-- | test/bigdecimal/test_bigdecimal.rb | 12 |
3 files changed, 24 insertions, 0 deletions
@@ -1,3 +1,9 @@ +Mon May 23 12:30:29 2016 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * ext/bigdecimal/bigdecimal.c (GetVpValueWithPrec): consider + non-finite float values not to raise FloatDomainError. + [ruby-core:75682] [Bug #12414] + Mon May 23 12:21:18 2016 NARUSE, Yui <naruse@ruby-lang.org> * array.c (rb_ary_fill): suppress warnings: 'item' may be used diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index 9125e6b585..3ccad9a508 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -239,6 +239,12 @@ again: if (prec < 0) goto unable_to_coerce_without_prec; if (prec > DBL_DIG+1) goto SomeOneMayDoIt; d = RFLOAT_VALUE(v); + if (!isfinite(d)) { + pv = VpCreateRbObject(prec, NULL); + pv->sign = isnan(d) ? VP_SIGN_NaN : + d > 0 ? VP_SIGN_POSITIVE_INFINITE : VP_SIGN_NEGATIVE_FINITE; + return pv; + } if (d != 0.0) { v = rb_funcall(v, id_to_r, 0); goto again; diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb index f10c50b47a..4296b50c59 100644 --- a/test/bigdecimal/test_bigdecimal.rb +++ b/test/bigdecimal/test_bigdecimal.rb @@ -459,6 +459,18 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(false, BigDecimal.new("NaN") > n1) end + def test_cmp_float_nan + assert_equal(nil, BigDecimal.new("1") <=> Float::NAN) + end + + def test_cmp_float_pos_inf + assert_equal(-1, BigDecimal.new("1") <=> Float::INFINITY) + end + + def test_cmp_float_neg_inf + assert_equal(+1, BigDecimal.new("1") <=> -Float::INFINITY) + end + def test_cmp_failing_coercion n1 = BigDecimal.new("1") assert_equal(nil, n1 <=> nil) |