8343819: Link Float.NaN and Double.NaN to equivalence discussion in Double

Reviewed-by: darcy

Author: Eirik Bjørsnøs

src/java.base/share/classes/java/lang/Double.java

@@ -375,9 +375,9 @@ public final class Double extends Number
     public static final double NEGATIVE_INFINITY = -1.0 / 0.0;
 
     /**
-     * A constant holding a Not-a-Number (NaN) value of type
-     * {@code double}. It is equivalent to the value returned by
-     * {@code Double.longBitsToDouble(0x7ff8000000000000L)}.
+     * A constant holding a Not-a-Number (NaN) value of type {@code double}.
+     * It is {@linkplain Double##equivalenceRelation equivalent} to the
+     * value returned by {@code Double.longBitsToDouble(0x7ff8000000000000L)}.
      */
     public static final double NaN = 0.0d / 0.0;
 

src/java.base/share/classes/java/lang/Float.java

@@ -93,9 +93,9 @@ public final class Float extends Number
     public static final float NEGATIVE_INFINITY = -1.0f / 0.0f;
 
     /**
-     * A constant holding a Not-a-Number (NaN) value of type
-     * {@code float}.  It is equivalent to the value returned by
-     * {@code Float.intBitsToFloat(0x7fc00000)}.
+     * A constant holding a Not-a-Number (NaN) value of type {@code float}.
+     * It is {@linkplain Double##equivalenceRelation equivalent}
+     * to the value returned by{@code Float.intBitsToFloat(0x7fc00000)}.
      */
     public static final float NaN = 0.0f / 0.0f;