//+------------------------------------------------------------------+
//| ArrayFunctions.mq4 |
//| cubesteak |
//| http://www.cubesteak.net |
//+------------------------------------------------------------------+
#property copyright "cubesteak"
#property link "http://www.cubesteak.net"
//////////////////////////////////////////////////////////////
// Function: SearchArray(ArrayToSearch, ValueToSearch,NumToCount,StartFrom,Dir)
// Return Values:
// Positive Number = position of value
// -1 = not found
//////////////////////////////////////////////////////////////
int SearchArray(double ArrayToSearch[],double ValueToSearch, int NumToCount=WHOLE_ARRAY, int StartFrom=0,int Dir=MODE_ASCEND)
{
// Print ("searching for "+ValueToSearch+" counting "+NumToCount+" starting from "+StartFrom+" in Dir "+Dir);
int LastIndexNo = ArraySize(ArrayToSearch)-1;
ArraySort(ArrayToSearch,NumToCount,StartFrom,Dir);
int index = ArrayBsearch(ArrayToSearch,ValueToSearch,NumToCount,StartFrom,Dir); // get the position
if (ArrayToSearch[index] == ValueToSearch) return (index); //checking for actual match and not "closest index"
else return (-1);
}
//////////////////////////////////////////////////////////////
// Function: SearchSecondDim(ReturnArray, ArrayToSearch, ValueToSearch,Dir)
// Return Values:
// Returns True or False, with ReturnArray passed by ref to give position
// ReturnArray [0] = ArrayToSearch first dim location
// ReturnArray [1] = ArrayToSearch second dim location
// if ReturnArray [0] = -1 = not found
//
// NOTE: ReturnArray[2] need to be declared prior to using this function.
// Example 1:
//
// double MySearchArray[10][5];
// ArrayInitialize(MySearchArray,0);
// MySearchArray [7][5] = 7;
// double foo[2]; // this is the temp array that will store the search location
// bool FoundIt = SearchSeconDim (foo,MySearchArray,7,MODE_ASCEND); // searching for 7
//
// This will set foo[0]==7 and foo[1]==5. Also, FoundIt will be "true".
//
// Example 2:
//
// double MySearchArray[10][5];
// ArrayInitialize(MySearchArray,0);
// MySearchArray [7][5] = 7;
// double foo[2]; // this is the temp array that will store the search location
// bool FoundIt = SearchSeconDim (foo,MySearchArray,10,MODE_ASCEND); // searching for 10
//
// This will set foo[0]==-1 and foo[1]==-1 since the value isn't anywhere in the array's second dimension.
// Also, FoundIt will be "false".
//
//////////////////////////////////////////////////////////////
bool SearchSecondDim(double& ReturnArray[],double ArrayToSearch[][],double ValueToSearch,int Dir=MODE_ASCEND)
{
ArrayInitialize(ReturnArray,-1);
int i,j;
if (Dir == MODE_DESCEND)
{
ArraySort(ArrayToSearch,WHOLE_ARRAY,0,MODE_DESCEND);
for (i=0;i<ArrayRange(ArrayToSearch,0);i++)
{
for (j=0;j<ArrayRange(ArrayToSearch,1);j++)
{
if (ArrayToSearch[i][j] == ValueToSearch)
{
ReturnArray[0]=i; // set locations
ReturnArray[1]=j; // set locations
return(true); // return true
}
}
}
return(false); // return false
}
else
{
ArraySort(ArrayToSearch,WHOLE_ARRAY,0,MODE_ASCEND);
for (i=0;i<ArrayRange(ArrayToSearch,0);i++)
{
for (j=0;j<ArrayRange(ArrayToSearch,1);j++)
{
if (ArrayToSearch[i][j] == ValueToSearch)
{
ReturnArray[0]=i; // set location
ReturnArray[1]=j; // set location
return (true);
}
}
}
return(false); // return -1 init array for not found
}
}
//////////////////////////////////////////////////////////////
// Function: PrintSingleArray(ArrayToPrint)
// Return Values:
// Void
//////////////////////////////////////////////////////////////
void PrintSingleArray(double ArrayToPrint[])
{
int x;
string ArrString;
ArrString="";
for (x=0;x<ArraySize(ArrayToPrint);x++)
{
ArrString = StringConcatenate(ArrString," ",ArrayToPrint[x]);
}
Print (ArrString);
}
//////////////////////////////////////////////////////////////
// Function: PrintDblArray(ArrayToPrint)
// Return Values:
// Void
//////////////////////////////////////////////////////////////
void PrintDblArray(double ArrayToPrint[][])
{
int x,y;
string ArrString;
for (x=0;x<ArrayRange(ArrayToPrint,0);x++)
{
// Print (x);
ArrString="";
for (y=0;y<ArrayRange(ArrayToPrint,1);y++)
{
ArrString = StringConcatenate(ArrString," ",ArrayToPrint[x][y]);
}
Print ("Row "+x+": "+ArrString);
}
}
Sample
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