Add a test failing on gfx10/11/12

test/data_type/CMakeLists.txt

@@ -23,5 +23,9 @@ add_gtest_executable(test_bf8 test_bf8.cpp)
 if(result EQUAL 0)
   target_link_libraries(test_bf8 PRIVATE utility)
 endif()
+add_gtest_executable(failing_test failing_test.cpp)
+if(result EQUAL 0)
+  target_link_libraries(failing_test PRIVATE utility)
+endif()
 
 add_gtest_executable(test_type_convert_const type_convert_const.cpp)

test/data_type/failing_test.cpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2024, Advanced Micro Devices, Inc. All rights reserved.
+
+#include "gtest/gtest.h"
+#include "ck/utility/data_type.hpp"
+#include "ck/utility/type_convert.hpp"
+
+using ck::bf8_t;
+using ck::f8_convert_rne;
+using ck::f8_t;
+using ck::type_convert;
+
+TEST(FailingTest, FP8)
+{
+    // fix the tolerance value
+    float abs_tol = 1e-6;
+    // convert minimal float to fp8 and back, check if holds
+    ASSERT_NEAR(std::numeric_limits<float>::min(),
+                type_convert<float>(f8_convert_rne<f8_t>(std::numeric_limits<float>::min())),
+                abs_tol);
+}
+
+TEST(FailingTest, BF8)
+{
+    // fix the tolerance value
+    float abs_tol = 1e-6;
+    // convert minimal float to bf8 and back, check if holds
+    ASSERT_NEAR(std::numeric_limits<float>::min(),
+                type_convert<float>(f8_convert_rne<bf8_t>(std::numeric_limits<float>::min())),
+                abs_tol);
+}