generate lookup table for powers of 1.414, i.e. sqrt(2)
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// Ralph Doncaster 2020 public domain software | |
// generate lookup table for powers of sqrt(2) | |
#include <stdio.h> | |
#include <math.h> | |
int main() | |
{ | |
double sqrt2 = sqrt(2.0); | |
for (double d = 2; d <= 16; d += 1) { | |
printf( "1.414^%d = %lf\n", (int)d, pow(sqrt2, d) ); | |
} | |
printf("powers[] = { 0"); | |
for (double d = 2; d <= 16; d += 1) { | |
printf( ", %d", (int) (pow(sqrt2, d) + 0.5) ); | |
} | |
printf(" };\n"); | |
} |
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