update documentation and some comment

Author: Bruce

docs/manual.adoc

@@ -489,9 +489,26 @@ NormalStream returns a normal distribution of random numbers, with mean mean and
 ----
 public  class  NormalStream  extends  RandomStream
 {
-    public NormalStream  (double  mean,  double  sd);
-    public NormalStream (double mean, double sd, int StreamSelect); 
-    public NormalStream (double mean, double sd, int StreamSelect, long  MGSeed,  long  LCGSeed);
+    public NormalStream (double  mean,  double  sd);
+    public NormalStream (double  mean,  double  sd, int StreamSelect); 
+    public NormalStream (double  mean,  double  sd, int StreamSelect, long  MGSeed,  long  LCGSeed);
+
+    public double getNumber () throws IOException, ArithmeticException; 
+};
+----
+
+StreamSelect indicates the offset in the random number sequence to begin sampling, and MGSeed and LCGSeed can be used to modify the seed values used by the RandomStream class.
+
+=== TriangularStream
+
+TriangularStream returns a triangular distribution of random numbers, with lower limit a, upper limit b and mode c, where a < b and a ≤ c ≤ b.
+
+----
+public  class  TriangularStream  extends  RandomStream
+{
+    public NormalStream (double  a, double  b, double  c);
+    public NormalStream (double  a, double  b, double  c, int StreamSelect); 
+    public NormalStream (double  a, double  b, double  c, int StreamSelect, long  MGSeed,  long  LCGSeed);
 
     public double getNumber () throws IOException, ArithmeticException; 
 };

src/main/java/org/javasim/streams/TriangularStream.java

@@ -23,12 +23,12 @@
 import java.io.IOException;
 
 /**
- * Returns a number drawn from a uniform distribution with the given lower and upper bounds.
+ * Returns a number drawn from a triangular distribution with lower limit a, upper limit b and mode c, where a < b and a ≤ c ≤ b.
  */
 
 public class TriangularStream extends RandomStream {
   /**
-   * Create stream with low bound 'l' and high bound 'h' and 'm' value.
+   * Create stream with low bound 'l'(a) and high bound 'h'(b) and 'm'(c) value.
    */
 
   public TriangularStream(double a, double b, double c) {
@@ -40,7 +40,7 @@ public TriangularStream(double a, double b, double c) {
   }
 
   /**
-   * Create stream with low bound 'l' and high bound 'h' and 'm' value. Skip the first 'StreamSelect' values before returning numbers from the stream.
+   * Create stream with low bound 'l'(a) and high bound 'h'(b) and 'm'(c) value. Skip the first 'StreamSelect' values before returning numbers from the stream.
    */
 
   public TriangularStream(double a, double b, double c, int StreamSelect) {
@@ -55,8 +55,8 @@ public TriangularStream(double a, double b, double c, int StreamSelect) {
   }
 
   /**
-   * Create stream with low bound 'l' and high bound 'h' and 'm' value. Skip the first 'StreamSelect' values before returning numbers from the stream. Pass the seeds 'MGSeed' and 'LCGSeed' to the base
-   * class.
+   * Create stream with low bound 'l'(a) and high bound 'h'(b) and 'm'(c) value. Skip the first 'StreamSelect' values before returning numbers from the stream. Pass the seeds 'MGSeed' and 'LCGSeed' to
+   * the base class.
    */
 
   public TriangularStream(double a, double b, double c, int StreamSelect, long MGSeed, long LCGSeed) {