Update ConvexSolver.

Author: apete

src/main/java/org/ojalgo/optimisation/convex/BasePrimitiveSolver.java

@@ -80,7 +80,7 @@ static BasePrimitiveSolver newSolver(final ConvexData<Double> data, final Optimi
                 }
             }
 
-        } else if (data.countEqualityConstraints() > 0) {
+        } else if (nbEqus > 0) {
             return new QPESolver(data, options);
         } else {
             return new UnconstrainedSolver(data, options);

src/main/java/org/ojalgo/optimisation/convex/ConvexSolver.java

@@ -571,7 +571,8 @@ public ConvexSolver build(final ExpressionsBasedModel model) {
 
                 Boolean projection = options.convex().getProjection();
 
-                if (nbEqus > 0 && nbInes > 0 && (Boolean.TRUE.equals(projection) || (projection == null && (nbVars >= 80) && (nbVars / nbEqus <= 2)))) {
+                if (nbEqus > 0 && nbInes > 0 && nbEqus <= nbVars
+                        && (Boolean.TRUE.equals(projection) || (projection == null && (nbVars >= 80) && (nbVars / nbEqus <= 2)))) {
 
                     ConvexSolver solver = new NullSpaceASS(options, data);