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-rw-r--r--chapter16/README.md6
-rw-r--r--chapter16/src/test/java/com/seaofnodes/simple/Chapter16Test.java3
2 files changed, 7 insertions, 2 deletions
diff --git a/chapter16/README.md b/chapter16/README.md
index 15125118..f78c8abc 100644
--- a/chapter16/README.md
+++ b/chapter16/README.md
@@ -52,8 +52,10 @@ declaration or the allocation. Any amount of code is legal, including
```
struct Square {
flt side = arg;
- flt diag = arg*arg/2;
- // Newtons approximation to the square root, done in a constructor
+ flt diag = arg*arg/2;
+ // Newtons approximation to the square root, computed in a constructor.
+ // The actual allocation will copy in this result as the initial
+ // value for 'diag'.
while( 1 ) {
// The next-guess variable "next" is not a field in Square,
// because it does not appear at the top level
diff --git a/chapter16/src/test/java/com/seaofnodes/simple/Chapter16Test.java b/chapter16/src/test/java/com/seaofnodes/simple/Chapter16Test.java
index c4f9795f..ad287e82 100644
--- a/chapter16/src/test/java/com/seaofnodes/simple/Chapter16Test.java
+++ b/chapter16/src/test/java/com/seaofnodes/simple/Chapter16Test.java
@@ -179,6 +179,9 @@ return next.i;
"""
struct Square {
flt !side = arg;
+ // Newtons approximation to the square root, computed in a constructor.
+ // The actual allocation will copy in this result as the initial
+ // value for 'diag'.
flt diag = arg*arg/2;
while( 1 ) {
flt next = (side/diag + diag)/2;