[commons-rng] 03/21: Update help and result messages

[aherbert]

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aherbert pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-rng.git

commit 5166681434d487753153678ffc93b0638a5be2c9
Author: Alex Herbert <aherb...@apache.org>
AuthorDate: Thu Aug 5 13:34:53 2021 +0100

    Update help and result messages
---
 .../java/org/apache/commons/rng/examples/quadrature/ComputePi.java  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git 
a/commons-rng-examples/examples-quadrature/src/main/java/org/apache/commons/rng/examples/quadrature/ComputePi.java
 
b/commons-rng-examples/examples-quadrature/src/main/java/org/apache/commons/rng/examples/quadrature/ComputePi.java
index f5e0c19..56eceb2 100644
--- 
a/commons-rng-examples/examples-quadrature/src/main/java/org/apache/commons/rng/examples/quadrature/ComputePi.java
+++ 
b/commons-rng-examples/examples-quadrature/src/main/java/org/apache/commons/rng/examples/quadrature/ComputePi.java
@@ -61,7 +61,7 @@ public class ComputePi extends MonteCarloIntegration {
      */
     public static void main(String[] args) {
         if (args.length != EXPECTED_ARGUMENTS) {
-            throw new IllegalStateException("Missing arguments");
+            throw new IllegalStateException("Require arguments: [points] [RNG 
name]");
         }
 
         final long numPoints = Long.parseLong(args[0]);
@@ -71,8 +71,8 @@ public class ComputePi extends MonteCarloIntegration {
         final double piMC = piApp.compute(numPoints);
 
         //CHECKSTYLE: stop all
-        System.out.println("After generating " + (DIMENSION * numPoints) +
-                           " random numbers, the error on 𝛑 is " + 
Math.abs(piMC - Math.PI));
+        System.out.printf("After generating %d random numbers, the error on |𝛑 
- %s| is %s%n",
+                          DIMENSION * numPoints, piMC, Math.abs(piMC - 
Math.PI));
         //CHECKSTYLE: resume all
     }