small

examples-cpp/fields-io-simple-demo/main.cpp

@@ -10,19 +10,40 @@ inline void demo()
   get_shuffled_fields_writer(path, new_size_node, is_append);
   const Coordinate total_site = Coordinate(4, 4, 4, 8);
   const Geometry geo(total_site);
+  const RngState rs = RngState("seed");
+  //
   Field<Complex> f1;
   f1.init(geo, 2);
-  write_field(f1, path, "f1");
+  set_zero(f1);
+  set_u_rand_double(f1, rs.split("f1"));
+  const crc32_t crc_f1 = field_crc32(f1);
   Field<ComplexF> f2;
   f2.init(geo, 3);
+  set_zero(f2);
+  set_u_rand_float(f2, rs.split("f2"));
+  const crc32_t crc_f2 = field_crc32(f2);
+  //
+  write_field(f1, path, "f1");
   write_field(f2, path, "f2");
   clear_shuffled_fields_writer_cache();
+  //
+  Field<Complex> f1r;
+  Field<ComplexF> f2r;
+  //
+  read_field(f1r, path, "f1");
+  read_field(f2r, path, "f2");
   clear_shuffled_fields_reader_cache();
+  //
+  const crc32_t crc_f1r = field_crc32(f1r);
+  qassert(crc_f1 == crc_f1r);
+  const crc32_t crc_f2r = field_crc32(f2r);
+  qassert(crc_f2 == crc_f2r);
 }
 
 int main(int argc, char* argv[])
 {
   begin(&argc, &argv);
+  demo();
   displayln_info("CHECK: finished successfully.");
   Timer::display();
   end();