Initial commit.

tests/test-57.ispc

@@ -0,0 +1,13 @@
+
+export uniform int width() { return programCount; }
+
+
+float bar(float x) { return 2. * x; }
+export void f_f(uniform float RET[], uniform float aFOO[]) {
+    float x = aFOO[programIndex]; 
+    RET[programIndex] = extract(bar(x)  * -1., 0); 
+}
+
+export void result(uniform float RET[]) {
+    RET[programIndex] = -2.000000;
+}