Un-comment the code involving INFINITY, and it won't compile with -
pedantic, but you'll see that they're equivalent. The above code,
will however compile with -pedantic. I think this is the better way
to do it as well, but that could just be me.
-matt
On Aug 3, 2005, at 11:59 AM, Jasmin Lapalme wrote:
Hi,
I have curious bug with gcc and the option -pedantic.
I want to use the value INFINITY defined in math.h. Here is a
sample code :
==== test.cpp ====
#include <cmath>
#include <iostream>
using namespace std;
void test_inf(double &x) {
x = INFINITY;
}
int main() {
double x;
test_inf(x);
cout << x << endl;
}
===========
This code compiles well without the option -pedantic but I want
to use the option -pedantic. I want to be sure my code will compile
on any platform with gcc. I know that INFINITY is equal to 1e50f
and 1e50f is greater than FLT_MAX. The option -pedantic raise this
error : floating constant exceeds range of 'float'.
Why I cannot use INFINITY with the option -pedantic?
Thanks
Jasmin
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