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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-06-17 02:37:32 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-06-17 02:37:32 +0000 |
| commit | 4fedad85efa84f25cad199eb325d3a300778a046 (patch) | |
| tree | 98e8c59f05a3a61e4e271d2e1ab100494a59b954 /bignum.c | |
| parent | 90d065530784a110681ccef1326d63eac9cdc469 (diff) | |
| download | ruby-4fedad85efa84f25cad199eb325d3a300778a046.tar.gz | |
refine Integer#** and Float#**
* complex.c (rb_dbl_complex_polar): utility function, which
returns more precise value in right angle cases.
* bignum.c (rb_big_pow): use rb_dbl_complex_polar().
* numeric.c (rb_float_pow, fix_pow): create a Complex by polar
form.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63678 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
| -rw-r--r-- | bignum.c | 5 |
1 files changed, 2 insertions, 3 deletions
@@ -6209,9 +6209,8 @@ rb_big_pow(VALUE x, VALUE y) if (y == INT2FIX(0)) return INT2FIX(1); if (RB_FLOAT_TYPE_P(y)) { d = RFLOAT_VALUE(y); - if ((BIGNUM_NEGATIVE_P(x) && !BIGZEROP(x)) && d != round(d)) { - x = DBL2NUM(pow(-rb_big2dbl(x), d)); - return rb_complex_polar(x, DBL2NUM(d * M_PI)); + if ((BIGNUM_NEGATIVE_P(x) && !BIGZEROP(x))) { + return rb_dbl_complex_polar(pow(-rb_big2dbl(x), d), d); } } else if (RB_BIGNUM_TYPE_P(y)) { |