diff --git a/ChangeLog b/ChangeLog index 312c64fa13..efc060ebcc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +Mon May 9 13:49:00 2011 Kenta Murata + + * complex.c (string_to_c_internal): support scientific notation. + patched by Tinco Andringa. https://github.com/ruby/ruby/pull/16 + [ruby-core:36046][Bug #4655] + Mon May 9 11:52:48 2011 NARUSE, Yui * numeric.c (int_ord): remove K&R style. diff --git a/complex.c b/complex.c index 26bb6e9b1f..c2d15ed2b6 100644 --- a/complex.c +++ b/complex.c @@ -1498,6 +1498,7 @@ string_to_c_internal(VALUE self) m = f_match(comp_pat2, s); if (NIL_P(m)) return rb_assoc_new(Qnil, self); + /* string is of form "x+yi" */ sr = f_aref(m, INT2FIX(1)); if (NIL_P(f_aref(m, INT2FIX(2)))) si = Qnil; @@ -1518,7 +1519,7 @@ string_to_c_internal(VALUE self) if (!NIL_P(sr)) { if (strchr(RSTRING_PTR(sr), '/')) r = f_to_r(sr); - else if (strchr(RSTRING_PTR(sr), '.')) + else if (strchr(RSTRING_PTR(sr), '.') || strchr(RSTRING_PTR(sr), 'e') || strchr(RSTRING_PTR(sr), 'E')) r = f_to_f(sr); else r = f_to_i(sr); @@ -1526,7 +1527,7 @@ string_to_c_internal(VALUE self) if (!NIL_P(si)) { if (strchr(RSTRING_PTR(si), '/')) i = f_to_r(si); - else if (strchr(RSTRING_PTR(si), '.')) + else if (strchr(RSTRING_PTR(si), '.') || strchr(RSTRING_PTR(si), 'e') || strchr(RSTRING_PTR(si), 'E')) i = f_to_f(si); else i = f_to_i(si); diff --git a/test/ruby/test_complex.rb b/test/ruby/test_complex.rb index e364c97d9a..24083e1384 100644 --- a/test/ruby/test_complex.rb +++ b/test/ruby/test_complex.rb @@ -704,6 +704,10 @@ class Complex_Test < Test::Unit::TestCase assert_equal(Complex(-0.33), '-0.33'.to_c) assert_equal(Complex(-0.33), '-0.3_3'.to_c) + assert_equal(Complex(2, 2e4), '2+2e4i'.to_c) + assert_equal(Complex(2e3, 2), '2e3+2i'.to_c) + assert_equal(Complex(2e3, 2e4), '2e3+2e4i'.to_c) + assert_equal(Complex.polar(10,10), '10@10'.to_c) assert_equal(Complex.polar(-10,-10), '-10@-10'.to_c) assert_equal(Complex.polar(10.5,10.5), '10.5@10.5'.to_c)