Javadoc.

src/main/java/org/apache/commons/math4/complex/ComplexUtils.java

@@ -37,10 +37,7 @@ public class ComplexUtils {
 
     /**
      * Creates a complex number from the given polar representation.
-     * <p>
-     * If either {@code r} or {@code theta} is NaN, or {@code theta} is
-     * infinite, {@link Complex#NaN} is returned.
-     * <p>
+     *
      * If {@code r} is infinite and {@code theta} is finite, infinite or NaN
      * values may be returned in parts of the result, following the rules for
      * double arithmetic.

src/main/java/org/apache/commons/math4/transform/RealTransformer.java

@@ -26,10 +26,7 @@ import org.apache.commons.math4.exception.NotStrictlyPositiveException;
  * <p>
  * Such transforms include {@link FastSineTransformer sine transform},
  * {@link FastCosineTransformer cosine transform} or {@link
- * FastHadamardTransformer Hadamard transform}. {@link FastFourierTransformer
- * Fourier transform} is of a different kind and does not implement this
- * interface since it produces {@link org.apache.commons.math4.complex.Complex}
- * results instead of real ones.
+ * FastHadamardTransformer Hadamard transform}.
  *
  * @since 2.0
  */