added output of data for regression tests

Author: mensch72

examples/runVerySimpleGW.wppl

@@ -78,7 +78,10 @@ var trajDist = Infer({ model() {
   return simulate(mdp.startState, aleph0).trajectory;
 }}).getDist();
 
-//console.log("trajDist", trajDist);
+console.log("\nDATA FOR REGRESSION TESTS: \ntrajDist");
+var regressionTestData = webpplAgents.trajDist2simpleJSON(trajDist);
+console.log(JSON.stringify(regressionTestData));
+console.log("END OF DATA FOR REGRESSION TESTS\n");
 
 var trajData = trajDist2TrajData(trajDist, agent);
 

src/main.js

@@ -26,6 +26,8 @@ var onlyNonnegativeFormat = function (x) {
         ;
 };
 
+var prettyState = function (state) { return "(" + state.loc[0] + "," + state.loc[1] + ")-" + state.timeLeft; };
+
 module.exports = {
 
     emptySet: () => new Set(),
@@ -155,6 +157,24 @@ module.exports = {
           }  
     },
 
+    prettyState,
+
+    trajDist2simpleJSON: function(trajDist) {
+        var keys = Object.keys(trajDist),
+            result = [];
+        for (var index in keys) {
+            var trajString = keys[index], 
+                traj = JSON.parse(trajString), 
+                val = trajDist[trajString], 
+                prob = val.prob,
+                trajOut = traj.map((stepData) => [prettyState(stepData.state), stepData.action]);
+                res = [prob, trajOut]
+                ;
+            result.push(res);
+        }
+        return result;
+    },
+
     // TO BE MOVED TO src/utils/metalog.js:
 
     /* TODO: