simplify cc_cblas test

test/cxx_cblas/cmake/autocmake.cfg

@@ -0,0 +1,18 @@
+[project]
+name: example
+min_cmake_version: 2.8
+
+[cxx]
+source: ../../../modules/cxx.cmake
+
+[static]
+source: ../../../modules/static_linking.cmake
+
+[cblas]
+source: ../../../modules/cblas.cmake
+
+[default_build_paths]
+source: ../../../modules/default_build_paths.cmake
+
+[src]
+source: ../../../modules/src.cmake

test/cxx_cblas/src/CMakeLists.txt

@@ -0,0 +1,7 @@
+if(CBLAS_FOUND)
+    include_directories(${CBLAS_INCLUDE_DIR})
+    add_executable(example example.cxx)
+    target_link_libraries(example ${CBLAS_LIBRARIES})
+else()
+    message(FATAL_ERROR "CBLAS library not found")
+endif()

test/cxx_cblas/src/example.cxx

@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <stdlib.h>
+/* cblas */
+
+#if defined HAVE_MKL_BLAS
+#include "mkl_cblas.h"
+#pragma message "Using Intel MKL <mkl_cblas.h> interface"
+#else
+#include "cblas.h"
+#pragma message "Using GNU <cblas.h> interface"
+#endif
+
+int main()
+{
+    const int n = 10;
+
+    double a[n*n];
+    double b[n*n];
+    double c[n*n];
+
+    for (int i = 0; i < n*n; i++)
+    {
+        a[i] = 1.0;
+        b[i] = 2.0;
+        c[i] = 0.0;
+    }
+
+    cblas_dgemm(CblasColMajor, CblasNoTrans, CblasNoTrans, n, n, n, 1.0, a, n, b, n, 0.0, c, n);
+
+    bool passed = true;
+    for (int i = 0; i < n*n; i++)
+    {
+        if (abs(c[i]) - 20.00 > 0.0) passed = false;
+    }
+
+    if (passed) printf("PASSED");
+
+    return 0;
+}