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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-08-08 15:36:17 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-08-08 15:36:55 +0900 |
| commit | df969b163ad43b7930c6965d457682a2f290553a (patch) | |
| tree | 9a48e4ac8efb86f066b90bd0a2cf5c537be243b9 | |
| parent | ad8b36daa1a10746ad6829670b26f0f05c151b4c (diff) | |
| download | mruby-df969b163ad43b7930c6965d457682a2f290553a.tar.gz mruby-df969b163ad43b7930c6965d457682a2f290553a.zip | |
Return `NaN` for `0/0`; d8e060d
| -rw-r--r-- | src/numeric.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/numeric.c b/src/numeric.c index 54a54f563..83a4ef716 100644 --- a/src/numeric.c +++ b/src/numeric.c @@ -166,9 +166,12 @@ integral_div(mrb_state *mrb, mrb_value xv) x = mrb_to_flo(mrb, xv); if (y == 0) { if (x < 0) - return mrb_float_value(mrb, -INFINITY); - else - return mrb_float_value(mrb, INFINITY); + y = -INFINITY; + else if (x > 0) + y = INFINITY; + else /* if (x == 0) */ + y = NAN; + return mrb_float_value(mrb, y); } return mrb_float_value(mrb, x / y); #endif |