Fixed C++11 support

libuavcan/include/uavcan/marshal/array.hpp

@@ -466,7 +466,7 @@ class YamlStreamer<Array<T, ArrayMode, MaxSize> >
             const int c = array.at(i);
             if (c < 32 || c > 126)
             {
-                char nibbles[2] = {(c >> 4) & 0xF, c & 0xF};
+                char nibbles[2] = {char((c >> 4) & 0xF), char(c & 0xF)};
                 for (int i = 0; i < 2; i++)
                 {
                     nibbles[i] += '0';

libuavcan/include/uavcan/marshal/float_spec.hpp

@@ -6,11 +6,15 @@
 
 #include <stdint.h>
 #include <limits>
-#include <math.h>            // Needed for isfinite
 #include <uavcan/data_type.hpp>
 #include <uavcan/util/compile_time.hpp>
 #include <uavcan/marshal/type_util.hpp>
 #include <uavcan/marshal/integer_spec.hpp>
+#if __cplusplus > 201100
+#  include <cmath>
+#else
+#  include <math.h>
+#endif
 
 namespace uavcan
 {
@@ -137,6 +141,7 @@ public:
 private:
     static inline void saturate(StorageType& value)
     {
+        using namespace std;
         if (!IsExactRepresentation && isfinite(value))
         {
             if (value > max())
@@ -148,6 +153,7 @@ private:
 
     static inline void truncate(StorageType& value)
     {
+        using namespace std;
         if (!IsExactRepresentation && isfinite(value))
         {
             if (value > max())

libuavcan/test/marshal/bit_stream.cpp

@@ -142,7 +142,7 @@ TEST(BitStream, BitByBit)
         {
             const bool value = counter % 3 == 0;
             binary_string.push_back(value ? '1' : '0');
-            const uint8_t data[] = { value << 7 };
+            const uint8_t data[] = { uint8_t(value << 7) };
             ASSERT_EQ(1, bs_wr.write(data, 1));
         }
         binary_string.push_back(' ');