Backport #2349 ยป bigdec.diff
| ext/bigdecimal/bigdecimal.c | ||
|---|---|---|
| 724 | 724 | |
| 725 | 725 |
switch(op) |
| 726 | 726 |
{
|
| 727 |
case '*': f = rb_intern("<=>");break;
|
|
| 728 |
case '=': f = rb_intern("=="); break;
|
|
| 729 |
case '!': f = rb_intern("!="); break;
|
|
| 727 |
case '*': return rb_num_coerce_cmp(self,r,rb_intern("<=>"));
|
|
| 728 |
case '=': return RTEST(rb_num_coerce_cmp(self,r,rb_intern("=="))) ? Qtrue : Qfalse;
|
|
| 730 | 729 |
case 'G': f = rb_intern(">="); break;
|
| 731 | 730 |
case 'L': f = rb_intern("<="); break;
|
| 732 | 731 |
case '>': case '<': f = (ID)op; break; |
| 733 | 732 |
} |
| 734 |
return rb_num_coerce_cmp(self,r,f);
|
|
| 733 |
return rb_num_coerce_relop(self,r,f);
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|
| 735 | 734 |
} |
| 736 | 735 |
SAVE(b); |
| 737 | 736 |
e = VpComp(a, b); |
| 738 |
if(e==999) return Qnil;
|
|
| 737 |
if(e==999) return (op == '*') ? Qnil : Qfalse;
|
|
| 739 | 738 |
switch(op) |
| 740 | 739 |
{
|
| 741 | 740 |
case '*': return INT2FIX(e); /* any op */ |
| 742 | 741 |
case '=': if(e==0) return Qtrue ; return Qfalse; |
| 743 |
case '!': if(e!=0) return Qtrue ; return Qfalse; |
|
| 744 | 742 |
case 'G': if(e>=0) return Qtrue ; return Qfalse; |
| 745 | 743 |
case '>': if(e> 0) return Qtrue ; return Qfalse; |
| 746 | 744 |
case 'L': if(e<=0) return Qtrue ; return Qfalse; |
| test/bigdecimal/test_bigdecimal.rb | ||
|---|---|---|
| 61 | 61 |
x = BigDecimal.new("0.1")
|
| 62 | 62 |
100.times do |
| 63 | 63 |
x *= x |
| 64 |
break if x == false |
|
| 65 | 64 |
end |
| 66 | 65 |
end |
| 67 | 66 |
end |
| ... | ... | |
| 71 | 70 |
x = BigDecimal.new("10")
|
| 72 | 71 |
100.times do |
| 73 | 72 |
x *= x |
| 74 |
break if x == false |
|
| 75 | 73 |
end |
| 76 | 74 |
end |
| 77 | 75 |
end |
| ... | ... | |
| 219 | 217 |
assert_operator(1, :<, inf) |
| 220 | 218 |
end |
| 221 | 219 | |
| 222 |
def test_cmp_corece |
|
| 220 |
def test_cmp_nan |
|
| 221 |
n1 = BigDecimal.new("1")
|
|
| 222 |
BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) |
|
| 223 |
assert_equal(nil, BigDecimal.new("NaN") <=> n1)
|
|
| 224 |
assert_equal(false, BigDecimal.new("NaN") > n1)
|
|
| 225 |
end |
|
| 226 | ||
| 227 |
def test_cmp_failing_coercion |
|
| 228 |
n1 = BigDecimal.new("1")
|
|
| 229 |
assert_equal(nil, n1 <=> nil) |
|
| 230 |
assert_raise(ArgumentError){n1 > nil}
|
|
| 231 |
end |
|
| 232 | ||
| 233 |
def test_cmp_coerce |
|
| 223 | 234 |
n1 = BigDecimal.new("1")
|
| 224 | 235 |
n2 = BigDecimal.new("2")
|
| 225 | 236 |
o1 = Object.new; def o1.coerce(x); [x, BigDecimal.new("1")]; end
|