Merge pull request #82 from czgdp1807/array_01

Ported ``integration_tests/arrays_op_22.f90`` from LFortran

integration_tests/CMakeLists.txt

@@ -206,6 +206,7 @@ RUN(NAME array_20.cpp LABELS gcc llvm NOFAST)
 RUN(NAME array_21.cpp LABELS gcc llvm NOFAST)
 RUN(NAME array_22.cpp LABELS gcc llvm NOFAST)
 RUN(NAME array_23.cpp LABELS gcc llvm NOFAST)
+RUN(NAME array_24.cpp LABELS gcc llvm NOFAST)
 
 RUN(NAME struct_01.cpp LABELS gcc llvm NOFAST)
 RUN(NAME struct_02.cpp LABELS gcc llvm NOFAST)

integration_tests/array_24.cpp

@@ -0,0 +1,40 @@
+#include <iostream>
+#include <xtensor/xtensor.hpp>
+#include <xtensor/xfixed.hpp>
+#include "xtensor/xio.hpp"
+
+xt::xtensor<float, 2> copy_array(const xt::xtensor<float, 2>& input);
+xt::xtensor<float, 2> twice(const xt::xtensor<float, 2>& x);
+
+xt::xtensor<float, 2> prg(const xt::xtensor<float, 2>& arr) {
+    xt::xtensor<float, 2> otpt = xt::xtensor<float, 2>({arr.shape(0), arr.shape(1)});
+    otpt = copy_array(twice(copy_array(arr)));
+    return otpt;
+}
+
+xt::xtensor<float, 2> twice(const xt::xtensor<float, 2>& x) {
+    xt::xtensor<float, 2> y = xt::empty<float>({x.shape(0), x.shape(1)});
+    y = 2.0*x;
+    return y;
+}
+
+xt::xtensor<float, 2> copy_array(const xt::xtensor<float, 2>& input) {
+    xt::xtensor<float, 2> output = xt::empty<float>({input.shape(0), input.shape(1)});
+    output = input;
+    return output;
+}
+
+int main() {
+
+xt::xtensor<float, 2> array = xt::empty<float>({10, 10});
+xt::xtensor<float, 2> output = xt::empty<float>({10, 10});
+
+array.fill(3.0);
+
+output = prg(array);
+std::cout << output << std::endl;
+if( xt::any(xt::not_equal(output, 6.0)) ) {
+    exit(2);
+}
+
+}