Math: Add predicate to identify float objects

Issue-Ref: 3365
Issue-Url: https://af3-developer.fortiss.org/issues/3365


Signed-off-by: Alexander Diewald <diewald@fortiss.org>

org.fortiss.tooling.base/src/org/fortiss/tooling/base/utils/.ratings

 AngleUtils.java 462551eae71738ff51f92c9906bff9a21a375d2b GREEN
 AnnotationUtils.java 197ceb5f39af6b96eb8f7025e3fe3b1b39c35d42 GREEN
-BaseMathUtils.java 65f6c39b641cba3c984a38f42b1bbf7dbf3287a3 GREEN
+BaseMathUtils.java 8d26339a4410b59e6106fbaa47064b42fcc1f98a YELLOW
 BaseModelElementUtils.java b8775b7a462efc168cf79a017aa3377a782d10f6 GREEN
 DimensionUtils.java 0dc67f9de11a84e6e4c6e1eb627817dee91ff30a GREEN
 EllipseLayoutUtils.java 5c3a0126fdca5d5b4fb441694747e1cb0f49cd9f GREEN

org.fortiss.tooling.base/src/org/fortiss/tooling/base/utils/BaseMathUtils.java

@@ -194,18 +194,59 @@ public class BaseMathUtils {
 	}
 
 	/**
-	 * Predicate whether the given Number is an integer of the types Byte, Short, Integer, Long,
-	 * BigInteger.
+	 * Predicate whether the given Number is an integer of the types Byte, Short, Integer,
+	 * Long, or BigInteger.
 	 * 
 	 * @param value
 	 *            Number to test.
 	 * @return boolean if the given Number is an integer number.
 	 */
 	public static boolean isIntegerNumber(Number value) {
+		return value != null && isIntegerNumber(value.getClass());
+	}
+
+	/**
+	 * Predicate whether the given Number type is an integer of the types Byte, Short, Integer,
+	 * Long, or BigInteger.
+	 * 
+	 * @param valueType
+	 *            Type of the number to test.
+	 * @return boolean if the given Number is an integer number.
+	 */
+	public static boolean isIntegerNumber(Class<?> valueType) {
+		return Byte.class.isAssignableFrom(valueType) || Short.class.isAssignableFrom(valueType) ||
+				Integer.class.isAssignableFrom(valueType) ||
+				Long.class.isAssignableFrom(valueType) ||
+				BigInteger.class.isAssignableFrom(valueType);
+	}
+
+	/**
+	 * Predicate whether the given Number type is an integer of the types Float, Double, or
+	 * BigInteger.
+	 * 
+	 * @param value
+	 *            Number to test.
+	 * @return boolean if the given number is an floating point number.
+	 */
+	public static boolean isFloatNumber(Number value) {
 		return(value instanceof Byte || value instanceof Short || value instanceof Integer ||
 				value instanceof Long || value instanceof BigInteger);
 	}
 
+	/**
+	 * Predicate whether the given Number type is an integer of the types Float, Double, or
+	 * BigInteger.
+	 * 
+	 * @param valueType
+	 *            Type of the number to test.
+	 * @return boolean if the given number type is an integer number.
+	 */
+	public static boolean isFloatNumber(Class<?> valueType) {
+		return Float.class.isAssignableFrom(valueType) ||
+				Double.class.isAssignableFrom(valueType) ||
+				BigDecimal.class.isAssignableFrom(valueType);
+	}
+
 	/**
 	 * Creates an {@link ArithmeticException} if an over-/underflow occurs when converting the given
 	 * {@code number} to the given {@code targetType}.