gistfile1.h

#include <stdio.h>
#include <math.h>

int main(int argc, char **argv)
{
    double c, s, r;
    for (r = 0.0; r < 2 * M_PI; r += 0.1) {
        asm("fsincos": "=t"(c), "=u"(s): "0"(r));
        printf("%lf %lf\n", sin(r), s);
        printf("%lf %lf\n", cos(r), c);
    }
    return 0;
}