Author: Vincent Diepeveen
Date: 14:40:36 08/17/00
Go up one level in this thread
On August 17, 2000 at 09:03:37, José Carlos wrote:
>On August 16, 2000 at 20:23:50, Vincent Diepeveen wrote:
>
>>On August 16, 2000 at 19:41:46, Dann Corbit wrote:
>>
>>>On August 16, 2000 at 18:56:15, Tom Kerrigan wrote:
>>>
>>>>C++ is a superset of C.
>>>
>>>This is largely true, but there are enough exceptions to make a remark.
>>>
>>>There are a very large number of legal C programs which cannot be compiled as
>>>C++. There are C and C++ programs which will operate differently, depending
>>>upon whether you are compiling as C or C++. Trivial examples:
>>
>>Those examples are not real true. They form the difference between
>>an OOP language and an imperative language. Therefore the difference is
>>logical. The core of a chess program however compiles perfectly fine.
>>
>>In fact what i did to the auto232 player as patched by Remi Coulon,
>>i renamed a few 'cout' commands to printt, renamed the c++ file to c and
>>it worked at once.
>>
>>If you have an interface that's doing all kind of things like putting
>>multiple boards on the screen, then if you write a very neat way of C,
>>like nice modules, it's no problem to do this in C. If you write in C++
>>then with less experience it's easy to make objects that show
>>multiple boards.
>>
>>Personally the only 2 big advantages of c++ which i miss a bit in C
>>are
>> - call by reference is real cool
>> - data-hiding if programs get bigger that really is cool,
>> especially the first few years i programmed in C i suffered from
>> this.
>>
>>What i dislike of C++
>> - you need to write hell of a lot more code to do the same,
>> now hopefully that's because i'm bad in C++.
>> - a simplistic c++ program where you use a few of the c++ features
>> compiles to incredible sizes, and it's dead slow. For example i
>> planned to write the datastructure in the diep-win32 interface
>> in c++, so that the gamedatabase could use a nice OOP methods,
>> but after a bit of testing it appeared that using nice c++ it would
>> get incredible slow.
>>
>> Now i program it in C, and after some toying with a lot of typedefs
>> and structures i really like that way more now.
>>
>>Personally i don't see however why someone who starts to program now,
>>would NOT start with C++. As you learn
>> a) c++ very good
>> b) you learn tricks to prevent the above slowness of c++ to happen if
>> you need it.
>>
>>So personally i would advice to start with C++ directly. C is for dinosaurs
>>from the previous century, who were born before or short after 1970.
>
> I was born in 1972, but I must be a dinosaur too, cause I really love C :)
>
> José C.
Yeah you need a dino skin to be able to stay alive with C :)
>>>/* Perfectly legal C, but not legal C++ */
>>>/* Hint: just changing the variable names to non C++ keywords is not enough to
>>>fix this program to make it legal C++ */
>>>#include <stdlib.h>
>>>int main(void)
>>>{
>>> int *new = malloc(5);
>>> int delete = 0;
>>> return delete;
>>>}
>>>
>>>/* Legal in C and C++, but answers are different: */
>>>#include <stdio.h>
>>>int main(void)
>>>{
>>>printf("sizeof the letter 'a' is %d\n", sizeof('a'));
>>>return 0;
>>>}
>>>
>>>>You will be able to write your chess program in C, compile it with a C++
>>>>compiler, and get exactly the same performance.
>>>>
>>>>If you use C++ features, your performance will decrease depending on which
>>>>features you use and how often you use them. The performance hit can range from
>>>>trivial to extreme.
>>>>
>>>>In my opinion, the goal of OOP is to organize and simplify complicated things. I
>>>>don't think a chess program is so complicated that it can benefit from OOP.
>>>
>>>I do agree with your general premise.
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