~aleteoryx/9c

ref: c2481f8399afb47057888c25a588f0f88d2ce826 9c/spiral.c -rw-r--r-- 351 bytes
c2481f83 — glenda spiral start + cpu bench 37 years ago
                                                                                
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#include <u.h>
#include  <libc.h>
#include  <draw.h>
#include  <event.h>
#include  <cursor.h>

void
main(void)
{
	double start, end;
	double lastcos;

	lastcos = 1.0;

	start = cputime();
	for (int i = 0; i < 100000000; i++)
	{
		lastcos = cos(lastcos) + 1.0;
	}
	end = cputime();

	print("Calculating 100,000,000 cosines took %fs\n", end - start);
}