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numeric.c: common expressions

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* numeric.c (flo_pow): extract common expressions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52108 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-10-12 00:08:44 +00:00
parent 930595cd35
commit 5f0d9e8644
1 changed files with 10 additions and 9 deletions
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15
numeric.c
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@ -1073,24 +1073,25 @@ flo_divmod(VALUE x, VALUE y)
static VALUE static VALUE
flo_pow(VALUE x, VALUE y) flo_pow(VALUE x, VALUE y)
{ {
double dx, dy;
if (RB_TYPE_P(y, T_FIXNUM)) { if (RB_TYPE_P(y, T_FIXNUM)) {
return DBL2NUM(pow(RFLOAT_VALUE(x), (double)FIX2LONG(y))); dx = RFLOAT_VALUE(x);
dy = (double)FIX2LONG(y);
} }
else if (RB_TYPE_P(y, T_BIGNUM)) { else if (RB_TYPE_P(y, T_BIGNUM)) {
return DBL2NUM(pow(RFLOAT_VALUE(x), rb_big2dbl(y))); dx = RFLOAT_VALUE(x);
dy = rb_big2dbl(y);
} }
else if (RB_TYPE_P(y, T_FLOAT)) { else if (RB_TYPE_P(y, T_FLOAT)) {
{ dx = RFLOAT_VALUE(x);
double dx = RFLOAT_VALUE(x); dy = RFLOAT_VALUE(y);
double dy = RFLOAT_VALUE(y);
if (dx < 0 && dy != round(dy)) if (dx < 0 && dy != round(dy))
return rb_funcall(rb_complex_raw1(x), rb_intern("**"), 1, y); return rb_funcall(rb_complex_raw1(x), rb_intern("**"), 1, y);
return DBL2NUM(pow(dx, dy));
}
} }
else { else {
return rb_num_coerce_bin(x, y, rb_intern("**")); return rb_num_coerce_bin(x, y, rb_intern("**"));
} }
return DBL2NUM(pow(dx, dy));
} }
/* /*