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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2017-03-29 12:50:42 +0900 |
|---|---|---|
| committer | GitHub <[email protected]> | 2017-03-29 12:50:42 +0900 |
| commit | 905f46a129de65098b3130789bb9c412201f4cb4 (patch) | |
| tree | f28332dc68c91263ce1371ce912b3f4b6a449f5b /src/numeric.c | |
| parent | 1f6bf0e14f57afca0c5254cc1a0893d11b3303e2 (diff) | |
| parent | db3573e0bf45bc3653d49a7dee90458df09005c8 (diff) | |
| download | mruby-905f46a129de65098b3130789bb9c412201f4cb4.tar.gz mruby-905f46a129de65098b3130789bb9c412201f4cb4.zip | |
Merge pull request #3558 from ksss/domain
Should raise FloatDomainError
Diffstat (limited to 'src/numeric.c')
| -rw-r--r-- | src/numeric.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/numeric.c b/src/numeric.c index 828898fcc..aa6f86cb9 100644 --- a/src/numeric.c +++ b/src/numeric.c @@ -610,6 +610,17 @@ flo_round(mrb_state *mrb, mrb_value num) return mrb_fixnum_value((mrb_int)number); } +void +mrb_check_num_exact(mrb_state *mrb, mrb_float num) +{ + if (isinf(num)) { + mrb_raise(mrb, E_FLOATDOMAIN_ERROR, num < 0 ? "-Infinity" : "Infinity"); + } + if (isnan(num)) { + mrb_raise(mrb, E_FLOATDOMAIN_ERROR, "NaN"); + } +} + /* 15.2.9.3.14 */ /* 15.2.9.3.15 */ /* @@ -630,6 +641,7 @@ flo_truncate(mrb_state *mrb, mrb_value num) if (f < 0.0) f = ceil(f); if (!FIXABLE(f)) { + mrb_check_num_exact(mrb, f); return mrb_float_value(mrb, f); } return mrb_fixnum_value((mrb_int)f); |