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* complex.c (nucomp_expt): checks exactness.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23894 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
tadf 2009-06-29 12:03:25 +00:00
parent 51e70cae46
commit aa68d47b88
2 changed files with 17 additions and 11 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Mon Jun 29 21:01:31 2009 Tadayoshi Funaba <tadf@dotrb.org>
* complex.c (nucomp_expt): checks exactness.
Mon Jun 29 20:29:11 2009 Tadayoshi Funaba <tadf@dotrb.org> Mon Jun 29 20:29:11 2009 Tadayoshi Funaba <tadf@dotrb.org>
* rational.c (float_to_r): always returns rational. * rational.c (float_to_r): always returns rational.

24
complex.c
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@ -19,8 +19,8 @@ VALUE rb_cComplex;
static ID id_abs, id_abs2, id_arg, id_cmp, id_conj, id_convert, static ID id_abs, id_abs2, id_arg, id_cmp, id_conj, id_convert,
id_denominator, id_divmod, id_equal_p, id_expt, id_fdiv, id_floor, id_denominator, id_divmod, id_equal_p, id_expt, id_fdiv, id_floor,
id_idiv, id_inspect, id_negate, id_numerator, id_quo, id_real_p, id_idiv, id_imag, id_inspect, id_negate, id_numerator, id_quo,
id_to_f, id_to_i, id_to_r, id_to_s; id_real, id_real_p, id_to_f, id_to_i, id_to_r, id_to_s;
#define f_boolcast(x) ((x) ? Qtrue : Qfalse) #define f_boolcast(x) ((x) ? Qtrue : Qfalse)
@ -155,9 +155,11 @@ fun1(arg)
fun1(conj) fun1(conj)
fun1(denominator) fun1(denominator)
fun1(floor) fun1(floor)
fun1(imag)
fun1(inspect) fun1(inspect)
fun1(negate) fun1(negate)
fun1(numerator) fun1(numerator)
fun1(real)
fun1(real_p) fun1(real_p)
fun1(to_f) fun1(to_f)
@ -778,16 +780,14 @@ m_log(VALUE x)
static VALUE static VALUE
m_exp(VALUE x) m_exp(VALUE x)
{ {
VALUE ere; VALUE ere, im;
if (f_real_p(x)) if (f_real_p(x))
return m_exp_bang(x); return m_exp_bang(x);
{ ere = m_exp_bang(f_real(x));
get_dat1(x); im = f_imag(x);
ere = m_exp_bang(dat->real); return rb_complex_new2(f_mul(ere, m_cos_bang(im)),
return rb_complex_new2(f_mul(ere, m_cos_bang(dat->imag)), f_mul(ere, m_sin_bang(im)));
f_mul(ere, m_sin_bang(dat->imag)));
}
} }
VALUE VALUE
@ -821,14 +821,14 @@ nucomp_expt(VALUE self, VALUE other)
if (k_complex_p(other)) { if (k_complex_p(other)) {
get_dat1(other); get_dat1(other);
if (f_zero_p(dat->imag)) if (k_exact_p(dat->imag) && f_zero_p(dat->imag))
other = dat->real; /* c14n */ other = dat->real; /* c14n */
} }
{ {
get_dat1(self); get_dat1(self);
if (f_zero_p(dat->imag) && f_real_p(other)) if (k_exact_p(dat->imag) && f_zero_p(dat->imag) && f_real_p(other))
return f_complex_new1(CLASS_OF(self), return f_complex_new1(CLASS_OF(self),
rb_fexpt(dat->real, other)); /* c14n */ rb_fexpt(dat->real, other)); /* c14n */
} }
@ -1801,10 +1801,12 @@ Init_Complex(void)
id_fdiv = rb_intern("fdiv"); id_fdiv = rb_intern("fdiv");
id_floor = rb_intern("floor"); id_floor = rb_intern("floor");
id_idiv = rb_intern("div"); id_idiv = rb_intern("div");
id_imag = rb_intern("imag");
id_inspect = rb_intern("inspect"); id_inspect = rb_intern("inspect");
id_negate = rb_intern("-@"); id_negate = rb_intern("-@");
id_numerator = rb_intern("numerator"); id_numerator = rb_intern("numerator");
id_quo = rb_intern("quo"); id_quo = rb_intern("quo");
id_real = rb_intern("real");
id_real_p = rb_intern("real?"); id_real_p = rb_intern("real?");
id_to_f = rb_intern("to_f"); id_to_f = rb_intern("to_f");
id_to_i = rb_intern("to_i"); id_to_i = rb_intern("to_i");