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https://opencores.org/ocsvn/eco32/eco32/trunk
Subversion Repositories eco32
[/] [eco32/] [trunk/] [lcc/] [tst/] [cf.0] - Rev 189
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/* cf - print character frequencies */
float f[128];
main(argc, argv)
int argc;
char *argv[];
{
int i, c, nc;
float cutoff, atof();
if (argc <= 1)
cutoff = 0.0;
else
cutoff = atof(argv[1])/100;
for (i = 0; i <= 127; )
f[i++] = 0.0;
nc = 0;
while ((c = getchar()) != -1) {
f[c] += 1;
nc++;
}
printf("char\tfreq\n");
for (i = 0; i <= 127; ++i)
if (f[i] && f[i]/nc >= cutoff) {
if (i <= ' ')
printf("%03o", i);
else
printf("%c", i);
printf("\t%.1f\n", 100*f[i]/nc);
}
return 0;
}
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