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fix EMA/SMA

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This commit is contained in:
olli 2024-11-05 12:38:12 +01:00
parent 4f3f7fdbec
commit 092bf62581
1 changed files with 6 additions and 4 deletions
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10
dabo/functions/calc_ema.sh
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@ -40,9 +40,6 @@ function calc_ema {
# check if there is a column (i from loop through array) # check if there is a column (i from loop through array)
[ -z "$f_column" ] && return 3 [ -z "$f_column" ] && return 3
# check for enough positions/values to calculate (enough values)
[ $f_position -ge $f_period ] || return 0
# get ema column # get ema column
[ -z "$f_target_column" ] && local f_target_column="ema$f_period" [ -z "$f_target_column" ] && local f_target_column="ema$f_period"
@ -58,6 +55,12 @@ function calc_ema {
local f_last_ema_position=$((f_position-1)) local f_last_ema_position=$((f_position-1))
local f_last_ema=${v_csv_array_associative[${f_target_column}_${f_last_ema_position}]} local f_last_ema=${v_csv_array_associative[${f_target_column}_${f_last_ema_position}]}
# check for enough positions/values to calculate (enough values) if SMA needed
if [ -z "$f_last_ema" ]
then
[ $f_position -ge $f_period ] || return 5
fi
# check if last EMA is given # check if last EMA is given
if [ -n "$f_last_ema" ] if [ -n "$f_last_ema" ]
then then
@ -94,7 +97,6 @@ function calc_ema {
fi fi
v_csv_array_associative[${f_target_column}_${f_position}]=$g_calc_result v_csv_array_associative[${f_target_column}_${f_position}]=$g_calc_result
f_ema=$g_calc_result f_ema=$g_calc_result
return 0 return 0
} }