Fix build errors with clang-18 (#1875)

programming_examples/basic/vector_exp/test.cpp

@@ -11,6 +11,7 @@
 #include <bits/stdc++.h>
 
 #include <boost/program_options.hpp>
+#include <cmath>
 #include <cstdint>
 #include <fstream>
 #include <iostream>
@@ -42,9 +43,9 @@ int verify(int CSize, std::vector<T> A, std::vector<T> C, int verbosity) {
     std::bfloat16_t ref = exp(A[i]);
     // Let's check if they are inf or nan, and if so just pass because
     // comparisions will then fail, even for matches
-    if (isinf(ref) || isinf(C[i]))
+    if (std::isinf(ref) || std::isinf(C[i]))
       break;
-    if (isnan(ref) || isnan(C[i]))
+    if (std::isnan(ref) || std::isnan(C[i]))
       break;
     if (!test_utils::nearly_equal(ref, C[i], 0.0078125)) {
       std::cout << "Error in output " << C[i] << " != " << ref << std::endl;

programming_examples/ml/relu/test.cpp

@@ -10,6 +10,7 @@
 
 #include <bits/stdc++.h>
 #include <boost/program_options.hpp>
+#include <cmath>
 #include <cstdint>
 #include <fstream>
 #include <iostream>
@@ -42,7 +43,7 @@ int verify(int size, std::vector<T> A, std::vector<T> B, int verbosity) {
   int errors = 0;
   for (uint32_t i = 0; i < size; i++) {
     // If the input is nan, lets just say its good
-    if (isnan(A[i]))
+    if (std::isnan(A[i]))
       continue;
 
     T ref = (T)0;