mirror of
https://dicksdeathabove.xyz/~mia/psh-fractional
synced 2024-09-19 16:40:44 +00:00
45 lines
1.4 KiB
Bash
Executable file
45 lines
1.4 KiB
Bash
Executable file
#!/bin/sh
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set -e
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# tests all functions 3 times using numbers generated using $RPATH
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# psh-prng is used here with my testing
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# math is comparred to bc
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fd() {
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m="$1"; n=1; while [ "$m" ]; do
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next="${m%?}"
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[ "$n" -eq "${#1}" ] && {
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echo "${m%next}"
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break
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}
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: $((n+=1)); m="$next"
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done
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}
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for i in addition/add subtraction/sub multiplication/mul division/div; do
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for n in 1 2; do
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ran="$(fd $(${RPATH}))"; : $((ran-=1)); until [ "$ran" -eq 1 -o "$ran" -eq 0 ]; do
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ran="$(fd $(${RPATH}))"; : $((ran-=1))
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done
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case $ran in
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0) ran=""; tn="$(${RPATH}).$(${RPATH}) $(${RPATH})";;
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1) ran=""; tn="$(${RPATH}) $(${RPATH}).$(${RPATH})"
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ran="$(fd $(${RPATH}))"; : $((ran-=1)); until [ "$ran" -eq 1 -o "$ran" -eq 0 ]; do
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ran="$(fd $(${RPATH}))"; : $((ran-=1))
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done
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case $ran in
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1) ran=""; tn="${tn% *}.$(${RPATH}) ${tn#* }"
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esac
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esac
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# use random number to determine if number will have decimal place
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case $i in
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addition/add) op="+";;
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subtraction/sub) op="-";;
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multiplication/mul) op="*";;
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division/div) op="/"
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esac
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aws="$(echo ${tn% *}${op}${tn#* } | bc -l)"; case "$(fd $aws)" in
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'.') aws="0${aws}"
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esac
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printf ' %s\n%s %s\n_____\nbc: %s\n' "${tn% *}" "$op" "${tn#* }" "$aws"
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printf 'psh: %s\n\n' "$(${i} ${tn% *} ${tn#* })"
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done
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done
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