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Mittelwert done (Codewort MID)

main
Jan 2024-01-06 22:59:39 +01:00
parent 910e35dd0c
commit baa6d8a092
1 changed files with 26 additions and 6 deletions
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32
Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
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@ -70,13 +70,13 @@ public class Spreadsheet {
return cellName.charAt(0) - 'A'; return cellName.charAt(0) - 'A';
} }
private int getRow(String cellName) { private int getRow(String cellName) {
if (cellName.length()==2) { if (cellName.length()==3) {
return cellName.charAt(1) - '1';
}else {
int Row = 0; int Row = 0;
Row +=((cellName.charAt(1)-'0')*10); Row +=((cellName.charAt(1)-'0')*10);
Row +=(cellName.charAt(2)-'0'); Row +=(cellName.charAt(2)-'0');
return Row-1; return Row-1;
}else {
return cellName.charAt(1) - '1';
} }
} }
// ----- // -----
@ -143,9 +143,9 @@ public class Spreadsheet {
if (formula.startsWith("SUMME(")) { // e.g. SUMME(A3:A8) if (formula.startsWith("SUMME(")) { // e.g. SUMME(A3:A8)
result += sum(formula.substring(offset, diff), formula.substring(diff+1,offsetEnd)); result += sum(formula.substring(offset, diff), formula.substring(diff+1,offsetEnd));
}else if (formula.startsWith("PRODUKT(")) { // e.g. PRODUKT(A3:B9) }else if (formula.startsWith("PRODUKT(")) { // e.g. PRODUKT(A3:B9)
result += prod(formula.substring(offset, diff), formula.substring(diff+1, offsetEnd));; // TODO result += prod(formula.substring(offset, diff), formula.substring(diff+1, offsetEnd));
}else if (formula.startsWith("MITTELWERT(")) { // e.g. MITTELWERT(A3:A5) }else if (formula.startsWith("MID(")) { // e.g. MITTELWERT(A3:A5)
result = "TODO"; // TODO result += mid(formula.substring(offset, diff), formula.substring(diff+1, offsetEnd));
}else if (formula.startsWith("STABW(")) { // e.g. STABW(C6:D8) -> Standardabweichung }else if (formula.startsWith("STABW(")) { // e.g. STABW(C6:D8) -> Standardabweichung
result = "TODO"; // TODO result = "TODO"; // TODO
}else if (formula.startsWith("MIN(")) {// e.g. MIN(C13:H13) -> größter Wert }else if (formula.startsWith("MIN(")) {// e.g. MIN(C13:H13) -> größter Wert
@ -202,6 +202,26 @@ public class Spreadsheet {
else else
return 0; return 0;
} }
/**
* Method for calculating the Mid Value of a rectangular block of cells, such as from A1 to B3.
* @param startCellName The name of the cell in the upper left corner of the rectangle.
* @param endCellName The name of the cell in the lower right corner of the rectangle.
* @return The Mid Value calculated.
*/
private long mid(String startCellName, String endCellName) {
long res = 0;
int Numbers= 0;
for(int j = getRow(startCellName); j< (getRow(endCellName)+1);j++){
for(int i = getCol(startCellName); i< (getCol(endCellName)+1);i++) {
if(!cells[j][i].getValue().isBlank()) {
res+= Long.parseLong(cells[j][i].getValue());
Numbers++;
}
}
}
res/=Numbers;
return res;
}
/** /**
* This method calculates the result of a "normal" algebraic expression. It only needs to support * This method calculates the result of a "normal" algebraic expression. It only needs to support