47 lines
1.5 KiB
Bash
47 lines
1.5 KiB
Bash
#!/bin/bash
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maxint=9223372036854775807
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root=3037000499
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destination=255
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rm -f prime.list prime.hex.list prime.dec.list
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SECONDS=0
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echo "01 1" >> prime.list
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echo "02 2" >> prime.list
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echo "03 3" >> prime.list
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echo "05 5" >> prime.list
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echo "07 7" >> prime.list
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for ((n=3; n<$((destination+1)); n++)); do
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#echo -n "Number $n > "
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sqrt=$(echo "scale=0; sqrt($n)" | bc)
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if [[ $((sqrt*sqrt)) != $n ]]; then
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# echo "$n > $p > $sqrt"
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# sleep 1s
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for ((p=2; p<$sqrt; p++)); do
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#echo "$n > $p > $sqrt"
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#sleep 1s
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if [[ $((n%p)) == 0 ]] && [[ $p != $((sqrt-1)) ]]; then
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#echo "NOT PRIME"
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p=$sqrt
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elif [[ $((n%p)) != 0 ]] && [[ $p == $((sqrt-1)) ]]; then
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clear
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hex=$(printf "%02X" "$n")
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echo "Number $n of $destination is PRIME [$((n*100/destination)) %]"
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#echo "$n" >> prime.dec.list
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#echo "$hex" >> prime.hex.list
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echo "$hex $n" >> prime.list
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rate=$((SECONDS*1000000/n))
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estsec=$((rate*destination/1000000))
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remsec=$((estsec-SECONDS))
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found=$(cat prime.list | wc -l)
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echo "Running Time: $((SECONDS/86400)) days, $(((SECONDS%86400)/3600)) hours, $(((SECONDS%3600)/60)) minutes and $(((SECONDS%60))) seconds..."
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echo "Remaining Time: $((remsec/86400)) days, $(((remsec%86400)/3600)) hours, $(((remsec%3600)/60)) minutes and $(((remsec%60))) seconds..."
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echo "Found $found PRIME numbers at an average rate of $((found/(SECONDS+1))) per second..."
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fi
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done
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fi
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done
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