Re: C++ reluctant to overload function
On 2010-10-13 12:57:20 -0400, Keith H Duggar said:
On Oct 13, 12:33?pm, Pete Becker <p...@versatilecoding.com> wrote:
On 2010-10-13 11:59:29 -0400, Steve Pope said:
The whole idea of overloading is to provide the programmer with
a form of polymorphism. ?e.g. I have a math library function
double sin(double x)
And I want to overloaded it with a vector version
vector<double> sin(vector<double> x)
Because one scope encloses the other I cannot do this without some
sort of workaround.
Did you try this? Add #include <math.h> and it should work just fine.
Or, if you're a namespace purist, use #include <cmath>
Aren't the compatibility .h headers deprecated by the C++ standard?
Yes. Nevertheless, they're part of the C++ standard and perfectly
usable. In fact they won't be going away.
(See Annex 0).
and put your function in namespace std like the rest of the math functions.
Since his specialization does not depend on any user defined
type,
Yup, you're right. I should be more careful about posting when I have a
bad head cold.
--
Pete
Roundhouse Consulting, Ltd. (www.versatilecoding.com) Author of "The
Standard C++ Library Extensions: a Tutorial and Reference
(www.petebecker.com/tr1book)
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