r(m, "DELTA", Delta.instance);
r(m, "DISC", null);
r(m, "DOLLARDE", DollarDe.instance);
- r(m, "DOLLARFR", null);
+ r(m, "DOLLARFR", DollarFr.instance);
r(m, "DURATION", null);
r(m, "EDATE", EDate.instance);
r(m, "EFFECT", null);
import java.math.BigDecimal;
import java.math.MathContext;
-import java.text.NumberFormat;
/**
* Implementation for Excel DOLLARDE() function.
* <p>
- * <https://support.microsoft.com/en-us/office/dollarde-function-db85aab0-1677-428a-9dfd-a38476693427
+ * https://support.microsoft.com/en-us/office/dollarde-function-db85aab0-1677-428a-9dfd-a38476693427
*/
public final class DollarDe extends Fixed2ArgFunction implements FreeRefFunction {
} else if (fraction == 0) {
return ErrorEval.DIV_ZERO;
}
+ int fractionLength = String.valueOf(fraction).length();
+ boolean negative = false;
long valueLong = number1.longValue();
+ if (valueLong < 0) {
+ negative = true;
+ valueLong = -valueLong;
+ number1 = -number1;
+ }
+
double valueFractional = number1 - valueLong;
if (valueFractional == 0.0) {
return new NumberEval(valueLong);
}
- int iterations = 0;
- final int maxIterations = 100;
- while (valueFractional < fraction && iterations < maxIterations) {
- valueFractional = valueFractional * 10;
- iterations++;
- }
- if (iterations == maxIterations && valueFractional < fraction) {
- return new NumberEval(valueLong);
+
+ BigDecimal inflated = BigDecimal.valueOf(valueFractional).multiply(BigDecimal.valueOf(Math.pow(10, fractionLength)));
+
+ BigDecimal calc = inflated.divide(BigDecimal.valueOf(fraction), MathContext.DECIMAL128);
+ BigDecimal result = calc.add(BigDecimal.valueOf(valueLong));
+ if (negative) {
+ result = result.multiply(BigDecimal.valueOf(-1));
}
- BigDecimal calc = new BigDecimal((long)valueFractional)
- .divide(BigDecimal.valueOf(10), MathContext.DECIMAL128)
- .divide(BigDecimal.valueOf(fraction), MathContext.DECIMAL128);
- return new NumberEval(calc.add(BigDecimal.valueOf(valueLong)).doubleValue());
+ return new NumberEval(result.doubleValue());
} catch (EvaluationException e) {
return e.getErrorEval();
}
--- /dev/null
+/* ====================================================================
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+==================================================================== */
+
+package org.apache.poi.ss.formula.functions;
+
+import org.apache.poi.ss.formula.OperationEvaluationContext;
+import org.apache.poi.ss.formula.eval.ErrorEval;
+import org.apache.poi.ss.formula.eval.EvaluationException;
+import org.apache.poi.ss.formula.eval.NumberEval;
+import org.apache.poi.ss.formula.eval.OperandResolver;
+import org.apache.poi.ss.formula.eval.ValueEval;
+
+import java.math.BigDecimal;
+import java.math.MathContext;
+import java.text.NumberFormat;
+import java.util.Locale;
+
+/**
+ * Implementation for Excel DOLLARFR() function.
+ * <p>
+ * https://support.microsoft.com/en-us/office/dollarfr-function-0835d163-3023-4a33-9824-3042c5d4f495
+ */
+public final class DollarFr extends Fixed2ArgFunction implements FreeRefFunction {
+
+ public static final FreeRefFunction instance = new DollarFr();
+
+ @Override
+ public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg1, ValueEval arg2) {
+ try {
+ Double number1 = evaluateValue(arg1, srcRowIndex, srcColumnIndex);
+ if (number1 == null) {
+ return ErrorEval.VALUE_INVALID;
+ }
+ Double number2 = evaluateValue(arg2, srcRowIndex, srcColumnIndex);
+ if (number2 == null) {
+ return ErrorEval.VALUE_INVALID;
+ }
+ int fraction = number2.intValue();
+ if (fraction < 0) {
+ return ErrorEval.NUM_ERROR;
+ } else if (fraction == 0) {
+ return ErrorEval.DIV_ZERO;
+ }
+ int fractionLength = String.valueOf(fraction).length();
+
+ boolean negative = false;
+ long valueLong = number1.longValue();
+ if (valueLong < 0) {
+ negative = true;
+ valueLong = -valueLong;
+ number1 = -number1;
+ }
+
+ double valueFractional = number1 - valueLong;
+ if (valueFractional == 0.0) {
+ return new NumberEval(valueLong);
+ }
+
+ BigDecimal calc = BigDecimal.valueOf(valueFractional).multiply(BigDecimal.valueOf(fraction))
+ .divide(BigDecimal.valueOf(Math.pow(10, fractionLength)), MathContext.DECIMAL128);
+
+ BigDecimal result = calc.add(BigDecimal.valueOf(valueLong));
+ if (negative) {
+ result = result.multiply(BigDecimal.valueOf(-1));
+ }
+
+ return new NumberEval(result.doubleValue());
+ } catch (EvaluationException e) {
+ return e.getErrorEval();
+ }
+ }
+
+ @Override
+ public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
+ if (args.length == 2) {
+ return evaluate(ec.getRowIndex(), ec.getColumnIndex(), args[0], args[1]);
+ }
+
+ return ErrorEval.VALUE_INVALID;
+ }
+
+ private static Double evaluateValue(ValueEval arg, int srcRowIndex, int srcColumnIndex) throws EvaluationException {
+ ValueEval veText = OperandResolver.getSingleValue(arg, srcRowIndex, srcColumnIndex);
+ String strText1 = OperandResolver.coerceValueToString(veText);
+ return OperandResolver.parseDouble(strText1);
+ }
+}
\ No newline at end of file
HSSFRow row = sheet.createRow(0);
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
HSSFCell cell = row.createCell(0);
- assertDouble(fe, cell, "DOLLARDE(1.02,16)", 1.125, 0.00000000000001);
- assertDouble(fe, cell, "DOLLARDE(1.02,16.9)", 1.125, 0.00000000000001);
- assertDouble(fe, cell, "DOLLARDE(1.1,32)", 1.3125, 0.00000000000001);
- assertDouble(fe, cell, "DOLLARDE(1.1,32.1)", 1.3125, 0.00000000000001);
+ double tolerance = 0.000000000000001;
+ assertDouble(fe, cell, "DOLLARDE(1.02,16)", 1.125, tolerance);
+ assertDouble(fe, cell, "DOLLARDE(1.02,16.9)", 1.125, tolerance);
+ assertDouble(fe, cell, "DOLLARDE(1.32,16)", 3.0, tolerance);
+ assertDouble(fe, cell, "DOLLARDE(-1.02,16)", -1.125, tolerance);
+ assertDouble(fe, cell, "DOLLARDE(1.1,32)", 1.3125, tolerance);
+ assertDouble(fe, cell, "DOLLARDE(1.1,32.1)", 1.3125, tolerance);
+ assertDouble(fe, cell, "DOLLARDE(1.0,32)", 1.0, tolerance);
+ assertDouble(fe, cell, "DOLLARDE(1.000001,32)", 1.000003125, tolerance);
}
}
--- /dev/null
+/* ====================================================================
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+==================================================================== */
+
+package org.apache.poi.ss.formula.functions;
+
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
+import org.apache.poi.hssf.usermodel.HSSFRow;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.ss.formula.OperationEvaluationContext;
+import org.apache.poi.ss.formula.eval.ErrorEval;
+import org.apache.poi.ss.formula.eval.NumberEval;
+import org.apache.poi.ss.formula.eval.StringEval;
+import org.apache.poi.ss.formula.eval.ValueEval;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+
+import static org.apache.poi.ss.util.Utils.assertDouble;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * Tests for {@link DollarFr}
+ */
+final class TestDollarFr {
+
+ private static final OperationEvaluationContext ec = new OperationEvaluationContext(null, null, 0, 0, 0, null);
+
+ @Test
+ void testInvalid() {
+ confirmInvalidError("A1","B2");
+ }
+
+ @Test
+ void testNumError() {
+ confirmNumError("22.5","-40");
+ }
+
+ @Test
+ void testDiv0() {
+ confirmDiv0("22.5","0");
+ confirmDiv0("22.5","0.9");
+ confirmDiv0("22.5","-0.9");
+ }
+
+ //https://support.microsoft.com/en-us/office/dollarfr-function-0835d163-3023-4a33-9824-3042c5d4f495
+ @Test
+ void testMicrosoftExample1() throws IOException {
+ try (HSSFWorkbook wb = new HSSFWorkbook()) {
+ HSSFSheet sheet = wb.createSheet();
+ HSSFRow row = sheet.createRow(0);
+ HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
+ HSSFCell cell = row.createCell(0);
+ double tolerance = 0.000000000000001;
+ assertDouble(fe, cell, "DOLLARFR(1.125,16)", 1.02, tolerance);
+ assertDouble(fe, cell, "DOLLARFR(-1.125,16)", -1.02, tolerance);
+ assertDouble(fe, cell, "DOLLARFR(1.000125,16)", 1.00002, tolerance);
+ assertDouble(fe, cell, "DOLLARFR(1.125,32)", 1.04, tolerance);
+ }
+ }
+
+ private static ValueEval invokeValue(String number1, String number2) {
+ ValueEval[] args = new ValueEval[] { new StringEval(number1), new StringEval(number2) };
+ return DollarDe.instance.evaluate(args, ec);
+ }
+
+ private static void confirmValue(String number1, String number2, double expected) {
+ ValueEval result = invokeValue(number1, number2);
+ assertEquals(NumberEval.class, result.getClass());
+ assertEquals(expected, ((NumberEval) result).getNumberValue(), 0.00000000000001);
+ }
+
+ private static void confirmInvalidError(String number1, String number2) {
+ ValueEval result = invokeValue(number1, number2);
+ assertEquals(ErrorEval.class, result.getClass());
+ assertEquals(ErrorEval.VALUE_INVALID, result);
+ }
+
+ private static void confirmNumError(String number1, String number2) {
+ ValueEval result = invokeValue(number1, number2);
+ assertEquals(ErrorEval.class, result.getClass());
+ assertEquals(ErrorEval.NUM_ERROR, result);
+ }
+
+ private static void confirmDiv0(String number1, String number2) {
+ ValueEval result = invokeValue(number1, number2);
+ assertEquals(ErrorEval.class, result.getClass());
+ assertEquals(ErrorEval.DIV_ZERO, result);
+ }
+
+}