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[ROCm/hip commit: 6f819f226b]
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+/*
+Copyright (c) 2015-2017 Advanced Micro Devices, Inc. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* HIT_START
+ * BUILD: %t %s ../test_common.cpp EXCLUDE_HIP_PLATFORM nvcc
+ * RUN: %t
+ * HIT_END
+ */
+
+#include <hip/hip_fp16.h>
+#include "hip/hip_runtime.h"
+
+#include "test_common.h"
+
+#if __HIP_ARCH_GFX803__ || __HIP_ARCH_GFX900__ || __HIP_ARCH_GFX906__
+
+__global__
+__attribute__((optnone))
+void __halfTest(bool* result) {
+    // Construction
+    __half a{1}; result[0] = __heq(a, 1);
+    a = __half{1.0f}; result[0] = __heq(a, 1) && result[0];
+    a = __half{1.0}; result[0] = __heq(a, 1) && result[0];
+    a = __half{static_cast<unsigned short>(1)}; 
+    result[0] = __heq(a, 1) && result[0];
+    a = __half{static_cast<short>(1)}; result[0] = __heq(a, 1) && result[0];
+    a = __half{1u}; result[0] = __heq(a, 1) && result[0];
+    a = __half{1ul}; result[0] = __heq(a, 1) && result[0];
+    a = __half{1l}; result[0] = __heq(a, 1) && result[0];
+    a = __half{1ll}; result[0] = __heq(a, 1) && result[0];
+    a = __half{1ull}; result[0] = __heq(a, 1) && result[0];
+
+    // Assignment
+    a = 0.0f; result[0] = __heq(a, 0) && result[0];
+    a = 1.0; result[0] = __heq(a, 1) && result[0];
+    a = __half_raw{2}; result[0] = __heq(a, 2) && result[0];
+
+    // Nullary
+    result[0] = __heq(a, +a) && result[0];
+    result[0] = __heq(__hneg(a), -a) && result[0];
+
+    // Unary arithmetic
+    result[0] = __heq(a += 0, a) && result[0];
+    result[0] = __heq(a -= 0, a) && result[0];
+    result[0] = __heq(a *= 1, a) && result[0];
+    result[0] = __heq(a /= 1, a) && result[0];
+
+    // Binary arithmetic
+    result[0] = __heq((a + a), __hadd(a, a)) && result[0];
+    result[0] = __heq((a - a), __hsub(a, a)) && result[0];
+    result[0] = __heq((a * a), __hmul(a, a)) && result[0];
+    result[0] = __heq((a / a), __hdiv(a, a)) && result[0];
+
+    // Relations
+    result[0] = (a == a) && result[0];
+    result[0] = !(a != a) && result[0];
+    result[0] = (a <= a) && result[0];
+    result[0] = (a >= a) && result[0];
+    result[0] = !(a < a) && result[0];
+    result[0] = !(a > a) && result[0];
+}
+
+__device__
+bool to_bool(const __half2& x)
+{
+    auto r = static_cast<const __half2_raw&>(x);
+
+    return r.data.x != 0 && r.data.y != 0;
+}
+__global__
+__attribute__((optnone))
+void __half2Test(bool* result) {
+    // Construction
+    __half2 a{1};
+    result[0] = to_bool(__heq2(a, 1));
+    a = __half2{__half{1}, __half{1}};
+    result[0] = to_bool(__heq2(a, {1, 1})) && result[0];
+
+    // Assignment
+    a = __half2_raw{2}; result[0] = to_bool(__heq2(a, {2, 2})) && result[0];
+
+    // Nullary
+    result[0] = to_bool(__heq2(a, +a)) && result[0];
+    result[0] = to_bool(__heq2(__hneg2(a), -a)) && result[0];
+
+    // Unary arithmetic
+    result[0] = to_bool(__heq2(a += 0, a)) && result[0];
+    result[0] = to_bool(__heq2(a -= 0, a)) && result[0];
+    result[0] = to_bool(__heq2(a *= 1, a)) && result[0];
+    result[0] = to_bool(__heq2(a /= 1, a)) && result[0];
+
+    // Binary arithmetic
+    result[0] = to_bool(__heq2((a + a), __hadd2(a, a))) && result[0];
+    result[0] = to_bool(__heq2((a - a), __hsub2(a, a))) && result[0];
+    result[0] = to_bool(__heq2((a * a), __hmul2(a, a))) && result[0];
+    result[0] = to_bool(__heq2((a / a), __h2div(a, a))) && result[0];
+
+    // Relations
+    result[0] = (a == a) && result[0];
+    result[0] = !(a != a) && result[0];
+    result[0] = (a <= a) && result[0];
+    result[0] = (a >= a) && result[0];
+    result[0] = !(a < a) && result[0];
+    result[0] = !(a > a) && result[0];
+}
+
+#endif
+
+int main() {
+    bool* result{nullptr};
+    hipHostMalloc(&result, 1);
+
+    result[0] = false;
+    hipLaunchKernelGGL(__halfTest, dim3(1, 1, 1), dim3(1, 1, 1), 0, 0, result);
+    hipDeviceSynchronize();
+
+    if (!result[0]) { failed("Failed __half tests."); }
+
+    result[0] = false;
+    hipLaunchKernelGGL(__half2Test, dim3(1, 1, 1), dim3(1, 1, 1), 0, 0, result);
+    hipDeviceSynchronize();
+
+    if (!result[0]) { failed("Failed __half2 tests."); }
+
+    passed();
+}