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#include <u.h>
#include <libc.h>
#include <geometry.h>
uvlong nanosec(void);
double min(double, double);
double dppd(Point2, Point2);
double dppd3(Point3, Point3);
Point2 Pt2b(double, double, double);
Point3 xvec3(Point3, Point3);
double hsubpd(double, double);
double
fmin(double a, double b)
{
return a<b? a: b;
}
void
main(int argc, char *argv[])
{
uvlong t0, t1;
double a, b, r;
Point2 p0, p1;
Point3 p0t, p1t, pr;
GEOMfmtinstall();
ARGBEGIN{default:sysfatal("shit");}ARGEND
if(argc != 2)
sysfatal("shit");
a = strtod(argv[0], nil);
b = strtod(argv[1], nil);
t0 = nanosec();
r = fmin(a, b);
t1 = nanosec();
print("fmin(%g, %g) = %g\ttook %lludns\n", a, b, r, t1-t0);
t0 = nanosec();
r = min(a, b);
t1 = nanosec();
print("min(%g, %g) = %g\ttook %lludns\n", a, b, r, t1-t0);
p0 = Pt2b(a, 1, 1);
p1 = Pt2b(b, 3, 1);
t0 = nanosec();
r = dppd(p0, p1);
t1 = nanosec();
print("dppd(%v, %v) = %g\ttook %lludns\n", p0, p1, r, t1-t0);
t0 = nanosec();
r = dotvec2(p0, p1);
t1 = nanosec();
print("dotvec2(%v, %v) = %g\ttook %lludns\n", p0, p1, r, t1-t0);
p0t = Pt3(a, 1, 9, 1);
p1t = Pt3(b, 3, 4, 1);
t0 = nanosec();
r = dppd3(p0t, p1t);
t1 = nanosec();
print("dppd3(%V, %V) = %g\ttook %lludns\n", p0t, p1t, r, t1-t0);
t0 = nanosec();
r = dotvec3(p0t, p1t);
t1 = nanosec();
print("dotvec3(%V, %V) = %g\ttook %lludns\n", p0t, p1t, r, t1-t0);
t0 = nanosec();
r = hsubpd(a, b);
t1 = nanosec();
print("hsubpd(%g, %g) = %g\ttook %lludns\n", a, b, r, t1-t0);
p0t = Pt3(a, 1, 9, 1);
p1t = Pt3(b, 3, 4, 1);
t0 = nanosec();
pr = xvec3(p0t, p1t);
t1 = nanosec();
print("xvec3(%V, %V) = %V\ttook %lludns\n", p0t, p1t, pr, t1-t0);
t0 = nanosec();
pr = crossvec3(p0t, p1t);
t1 = nanosec();
print("crossvec3(%V, %V) = %V\ttook %lludns\n", p0t, p1t, pr, t1-t0);
exits(nil);
}
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