XDR: Add float and double support

include/object/xdrinput.h

@@ -15,6 +15,8 @@ class XDRInput {
 		int32_t get_int32();
 		uint64_t get_uint64();
 		int64_t get_int64();
+		float get_float();
+		double get_double();
 		uint32_t get_opaque_length();
 		char* get_opaque(uint32_t length);
 };

src/os/object/xdrinput.cc

@@ -35,6 +35,18 @@ int64_t XDRInput::get_int64()
 	return (ret0 << 32) | ret1;
 }
 
+float XDRInput::get_float()
+{
+	uint32_t val = get_uint32();
+	return *(float*)&val;
+}
+
+double XDRInput::get_double()
+{
+	uint64_t val = get_uint64();
+	return *(double*)&val;
+}
+
 uint32_t XDRInput::get_opaque_length()
 {
 	return get_uint32();