FPGA: Add missing cmath include in the hardware_reuse sample (oneapi-src#2387)

Author: yuguen

DirectProgramming/C++SYCL_FPGA/Tutorials/Features/task_sequence/hardware_reuse/1_naive/src/main.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <cmath>
 
 // oneAPI headers
 #include <sycl/ext/intel/fpga_extensions.hpp>
@@ -130,4 +131,4 @@ int main() {
   }
 
   return passed ? EXIT_SUCCESS : EXIT_FAILURE;
-}
+}

DirectProgramming/C++SYCL_FPGA/Tutorials/Features/task_sequence/hardware_reuse/2_loop/src/main.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <cmath>
 
 // oneAPI headers
 #include <sycl/ext/intel/fpga_extensions.hpp>
@@ -131,4 +132,4 @@ int main() {
   }
 
   return passed ? EXIT_SUCCESS : EXIT_FAILURE;
-}
+}

DirectProgramming/C++SYCL_FPGA/Tutorials/Features/task_sequence/hardware_reuse/3_task_sequence/src/main.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <cmath>
 
 // oneAPI headers
 #include <sycl/ext/intel/fpga_extensions.hpp>
@@ -138,4 +139,4 @@ int main() {
   }
 
   return passed ? EXIT_SUCCESS : EXIT_FAILURE;
-}
+}