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#include <math.h>
#include <stdio.h>
#define p(n, p, x) printf("#define POWER_%-3d %-22a /* %s %-22a */\n", n, nextafter(x, 0), p, x)
int main ()
{
printf("/* powers-of-10 constants */\n");
printf("/* constants here are rounded down so >= comparisons work better */\n\n");
p(33, " ", 1e33);
p(30, "Q", 1e30);
p(27, "R", 1e27);
p(24, "Y", 1e24);
p(21, "Z", 1e21);
p(18, "E", 1e18);
p(15, "P", 1e15);
p(12, "T", 1e12);
p(9, "G", 1e9);
p(6, "M", 1e6);
p(3, "k", 1e3);
p(0, " ", 1e0);
p(-3, "m", 1e-3);
p(-6, "ยต", 1e-6);
p(-9, "n", 1e-9);
p(-12, "p", 1e-12);
p(-15, "f", 1e-15);
p(-18, "a", 1e-18);
p(-21, "z", 1e-21);
p(-24, "y", 1e-24);
p(-27, "r", 1e-27);
p(-30, "q", 1e-30);
p(-33, " ", 1e-33);
}
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