Matt Turner <matts...@gmail.com> writes: > I feel confident the compiler is already doing that transformation.
I just tried and couldn't get the compiler to do it as the 'pow'
function isn't declared with the 'const' attribute. That appears to be a
bug in glibc.
This code does what you'd expect:
#include <math.h>
extern double mypow(double a, double b) __attribute__ ((const));
double foo (double a, double b, double c, int x[], int q)
{
int i;
for (i = 0; i < q; i++)
x[i] = (int) (mypow(a, c)*b);
}
--
-keith
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