Try b=pow(a,1/2); or b=pow(a,0.5);
IIRC, there is no sqrt function, however there is a pow function for a^b =
pow(a,b);
Devdas Bhagat.
On Fri, 14 Jan 2000, Philip S Tellis wrote:
>I cannot compile (link actually) any program that has functions from
>math.h
>
>even something simple like this:
>
>#include <math.h>
>
>int main() {
> double a=4.3, b;
> b = sqrt(a);
> return 0;
>}
>
>will not link. I just get an error that says:
>
>a.o(.text+0x1e): undefined reference to `sqrt'
>
>
>It seems that the linker cannot find the definition of the sqrt function.
>Actually, neither can I.
>
>Will someone please tell me which library needs to be linked in to get a
>sqrt function working.
>
>I have egcs.
>
>Philip
>
>
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