Index: poi/src/java/org/apache/poi/ss/formula/functions/Imaginary.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- poi/src/java/org/apache/poi/ss/formula/functions/Imaginary.java (revision )
+++ poi/src/java/org/apache/poi/ss/formula/functions/Imaginary.java (revision )
@@ -0,0 +1,107 @@
+/* ====================================================================
+ 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.*;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Implementation for Excel IMAGINARY() function.
+ *
+ * Syntax:
IMAGINARY (Inumber)
+ *
+ * Returns the imaginary coefficient of a complex number in x + yi or x + yj text format.
+ *
+ * Inumber is a complex number for which you want the imaginary coefficient.
+ *
+ * Remarks
+ *
+ * - Use COMPLEX to convert real and imaginary coefficients into a complex number.
+ *
+ *
+ * @author cedric dot walter @ gmail dot com
+ */
+public class Imaginary extends Fixed1ArgFunction implements FreeRefFunction {
+
+ public static final FreeRefFunction instance = new Imaginary();
+
+ public static final String GROUP1_REAL_SIGN_REGEX = "([+-]?)";
+ public static final String GROUP2_REAL_INTEGER_OR_DOUBLE_REGEX = "([0-9]+\\.[0-9]+|[0-9]*)";
+ public static final String GROUP3_IMAGINARY_SIGN_REGEX = "([+-]?)";
+ public static final String GROUP4_IMAGINARY_INTEGER_OR_DOUBLE_REGEX = "([0-9]+\\.[0-9]+|[0-9]*)";
+ public static final String GROUP5_IMAGINARY_GROUP_REGEX = "([ij]?)";
+
+ public static final Pattern COMPLEX_NUMBER_PATTERN
+ = Pattern.compile(GROUP1_REAL_SIGN_REGEX + GROUP2_REAL_INTEGER_OR_DOUBLE_REGEX +
+ GROUP3_IMAGINARY_SIGN_REGEX + GROUP4_IMAGINARY_INTEGER_OR_DOUBLE_REGEX + GROUP5_IMAGINARY_GROUP_REGEX);
+
+ public static final int GROUP3_IMAGINARY_SIGN = 3;
+ public static final int GROUP4_IMAGINARY_INTEGER_OR_DOUBLE = 4;
+
+ public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval inumberVE) {
+ ValueEval veText1;
+ try {
+ veText1 = OperandResolver.getSingleValue(inumberVE, srcRowIndex, srcColumnIndex);
+ } catch (EvaluationException e) {
+ return e.getErrorEval();
+ }
+ String iNumber = OperandResolver.coerceValueToString(veText1);
+
+ Matcher m = COMPLEX_NUMBER_PATTERN.matcher(iNumber);
+ boolean result = m.matches();
+
+ String imaginary = "";
+ if (result == true) {
+ String imaginaryGroup = m.group(5);
+ boolean hasImaginaryPart = imaginaryGroup.equals("i") || imaginaryGroup.equals("j");
+
+ if (imaginaryGroup.length() == 0) {
+ return new StringEval(String.valueOf(0));
+ }
+
+ if (hasImaginaryPart) {
+ String sign = "";
+ String imaginarySign = m.group(GROUP3_IMAGINARY_SIGN);
+ if (imaginarySign.length() != 0 && !(imaginarySign.equals("+"))) {
+ sign = imaginarySign;
+ }
+
+ String groupImaginaryNumber = m.group(GROUP4_IMAGINARY_INTEGER_OR_DOUBLE);
+ if (groupImaginaryNumber.length() != 0) {
+ imaginary = sign + groupImaginaryNumber;
+ } else {
+ imaginary = sign + "1";
+ }
+ }
+ } else {
+ return ErrorEval.NUM_ERROR;
+ }
+
+ return new StringEval(imaginary);
+ }
+
+ public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
+ if (args.length != 1) {
+ return ErrorEval.VALUE_INVALID;
+ }
+ return evaluate(ec.getRowIndex(), ec.getColumnIndex(), args[0]);
+ }
+}
Index: poi/src/testcases/org/apache/poi/ss/formula/functions/TestImaginaryFunctionsFromSpreadsheet.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- poi/src/testcases/org/apache/poi/ss/formula/functions/TestImaginaryFunctionsFromSpreadsheet.java (revision )
+++ poi/src/testcases/org/apache/poi/ss/formula/functions/TestImaginaryFunctionsFromSpreadsheet.java (revision )
@@ -0,0 +1,30 @@
+/* ====================================================================
+ 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;
+
+/**
+ * Tests Imaginary() as loaded from a test data spreadsheet.
+ *
+ * @author cedric dot walter @ gmail dot com
+ */
+public class TestImaginaryFunctionsFromSpreadsheet extends BaseTestFunctionsFromSpreadsheet {
+
+ protected String getFilename() {
+ return "ImaginaryFunctionTestCaseData.xls";
+ }
+}
\ No newline at end of file
Index: poi/src/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- poi/src/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java (revision 1490713)
+++ poi/src/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java (revision )
@@ -112,7 +112,7 @@
r(m, "HEX2OCT", null);
r(m, "IFERROR", IfError.instance);
r(m, "IMABS", null);
- r(m, "IMAGINARY", null);
+ r(m, "IMAGINARY", Imaginary.instance);
r(m, "IMARGUMENT", null);
r(m, "IMCONJUGATE", null);
r(m, "IMCOS", null);