compat to low glibc

ccsrc/include/CMakeLists.txt

@@ -21,6 +21,7 @@
 set(MQ_BASE_HEADERS
     config/popcnt.h
     config/config.h
+    config/libc_compat.h
     config/type_traits.h
     core/sparse/algo.h
     core/sparse/csrhdmatrix.h

ccsrc/include/config/libc_compat.h

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) Huawei Technologies Co., Ltd. 2024. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MQ_CONFIG_LIBC_COMPAT_H_
+#define MQ_CONFIG_LIBC_COMPAT_H_
+#ifdef __linux__
+extern "C" {
+double __exp_finite(double x);
+float __expf_finite(float x);
+double __pow_finite(double x, double y);
+}
+#endif
+#endif

ccsrc/lib/math/tensor/ops/advance_math.cpp

@@ -22,6 +22,7 @@
 #include <stdexcept>
 #include <vector>
 
+#include "config/libc_compat.h"
 #include "math/tensor/ops_cpu/advance_math.h"
 #include "math/tensor/tensor.h"
 #include "math/tensor/traits.h"

ccsrc/lib/mq_base/CMakeLists.txt

@@ -20,7 +20,7 @@
 
 target_sources(
   mq_base PRIVATE ${CMAKE_CURRENT_LIST_DIR}/utils.cc $<$<BOOL:${ENABLE_LOGGING}>:${CMAKE_CURRENT_LIST_DIR}/logging.cpp>
-                  ${CMAKE_CURRENT_LIST_DIR}/gates/gates.cpp)
+                  ${CMAKE_CURRENT_LIST_DIR}/gates/gates.cpp ${CMAKE_CURRENT_LIST_DIR}/libc_compat.cpp)
 
 if(ENABLE_CUDA)
   target_compile_definitions(mq_base PUBLIC GPUACCELERATED)

ccsrc/lib/mq_base/libc_compat.cpp

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) Huawei Technologies Co., Ltd. 2024. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifdef __linux__
+#    include "config/libc_compat.h"
+
+#    include <features.h>
+#    include <math.h>
+double __exp_finite(double x) {
+    return exp(x);
+}
+float __expf_finite(float x) {
+    return expf(x);
+}
+double __pow_finite(double x, double y) {
+    return pow(x, y);
+}
+#endif