Adding unitary tests script. The test data are located in the generate data program

sources/scripts/unitary.sh

+#! /bin/sh
+
+use_cheby=0
+if [ $use_cheby -eq 1 ]; then
+	function="--func /build/librational_function_chebychev.so"
+	function_append="_cheby"
+fi
+
+use_relative=0
+if [ $use_relative -eq 1 ]; then
+	relative="--dt-relative"
+fi
+
+test_generated=1
+test_alta=0
+
+## Test with generated data
+##
+if [ $test_generated -eq 1 ]; then
+min_test=1; max_test=6
+for i in `seq $min_test $max_test`
+do
+	./build/generate_data --f $i	
+	mv input.gnuplot input_$i.gnuplot
+    ./build/data2brdf --input input_$i.gnuplot --output output${function_append}.rational $function --fitter /build/librational_fitter_quadprog.so --np 20 --nq 20 --dt 0.05 $relative > output${function_append}_$i.out
+    
+    if [ $? -eq 0 ]; then
+        echo "Test number $i passed"
+    	./build/brdf2gnuplot --input output${function_append}.rational --data input_$i.gnuplot --output output_$i.gnuplot > /dev/null
+   	else
+        echo "Test number $i failed"
+   	fi
+done
+fi
+
+## Test with ALTA internal data
+##
+if [ $test_alta -eq 1 ]; then
+    ./build/data2brdf --input ../data/2d/matusik_merl/beige-fabric-double-cc-cos-th-td-90deg.dat --output beige${function_append}.rational $function --fitter /build/librational_fitter_parallel.so --min-np 60 --np 100 --dt 0.5 --dt-relative > /dev/null
+
+    if [ $? -eq 0 ]; then
+        echo "Test beige matusik passed"
+    ./build/brdf2gnuplot --input beige${function_append}.rational --data ../data/2d/matusik_merl/beige-fabric-double-cc-cos-th-td-90deg.dat --output output_beige.gnuplot > beige.out
+    else
+        echo "Test beige matusik failed"
+    fi
+fi