fix addition

addition/add

@@ -4,16 +4,23 @@
   # modified to check $1 & $2
   # make sure $1 & $2 are the same length
   if [ "${#1}" -gt "${#2}" ]; then
-    f2="$2"; until [ "${#f2}" -eq "${#1}" ]; do
+    f2="${2##*.}"; f1="${1##*.}"; until [ "${#f2}" -eq "${#f1}" ]; do
       f2="${f2}0"
     done
-    set -- "$1" "$f2"
+    set -- "$1" "${2%%.*}.$f2"
   elif [ "${#1}" -lt "${#2}" ]; then
-    f1="$1"; until [ "${#f1}" -eq "${#2}" ]; do
+    f1="${1##*.}"; f2="${2##*.}"; until [ "${#f1}" -eq "${#f2}" ]; do
       f1="${f1}0"
     done
-    set -- "$f1" "$2"
+    set -- "${1%%.*}.$f1" "$2"
   fi   
+  until [ "${#1}" -ge "${#2}" ]; do
+    set -- "0$1" "$2"
+  done
+  until [ "${#2}" -ge "${#1}" ]; do
+    set -- "$1" "0$2"
+  done
+  #echo "$1 $2"
   f1="${1##*.}"; f2="${2##*.}" # whole is ${1%.$f1} # dot required
   # eq is $1+$2 -- $f1 + $f2 -- then add $1 & $2
   wo="$((${1%.$f1}+${2%.$f2}))" # whole digit, this is preset and not redeclared