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【Stochastic】
[code]inputs:PriceValueH( numericseries ),
PriceValueL( numericseries ),
PriceValueC( numericseries ),
StochLen( numericsimple ),
Len1( numericsimple ),
Len2( numericsimple ),
SmoothingType( numericsimple ),
oFastK( numericref ),
oFastD( numericref ),
oSlowK( numericref ),
oSlowD( numericref ) ;
variables:
var0( 0 ),
var1( 0 ),
var2( 0 ),
var3( 0 ),
var4( 0 ),
var5( 0 ),
var6( 0 ),
var7( 0 ) ;
Stochastic = 1 ;
var0 = Lowest( PriceValueL, StochLen ) ;
var1 = Highest( PriceValueH, StochLen ) ;
var2 = PriceValueC - var0 ;
var3 = var1 - var0 ;
if var3 > 0 then
oFastK = var2 / var3 * 100
else
begin
oFastK = 0 ;
Stochastic = -1 ;
end ;
if SmoothingType = 1 then
begin
var6 = Len1 - CurrentBar ;
condition1 = var6 > 0 and CurrentBar > 0;
if condition1 then
begin
var4 = ( Cum( var2 ) + var6 * var2[ CurrentBar - 1 ] ) / Len1 ;
var5 = ( Cum( var3 ) + var6 * var3[ CurrentBar - 1 ] ) / Len1 ;
end
else
begin
var4 = Average( var2, Len1 ) ;
var5 = Average( var3, Len1 ) ;
end ;
if var5 > 0 then
oFastD = var4 / var5 * 100
else
begin
oFastD = 0 ;
Stochastic = -1 ;
end ;
var7 = Len2 - CurrentBar ;
condition1 = var7 > 0 and CurrentBar > 0 ;
if condition1 then
oSlowD = ( Cum( oFastD ) + var7 * oFastD[ CurrentBar - 1 ] ) / Len2
else
oSlowD = Average( oFastD, Len2 ) ;
end
else if SmoothingType = 2 then
begin
oFastD = XAverage( oFastK, Len1 ) ;
oSlowD = XAverageOrig( oFastD, Len2 ) ;
end ;
oSlowK = oFastD ;
[/code]
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