swap bytes

	//! Byte swap unsigned short
				static uint16_t swap_uint16(uint16_t val)
				{
					return (val << 8) | (val >> 8);
				}

				//! Byte swap short
				static int16_t swap_int16(int16_t val)
				{
					return (val << 8) | ((val >> 8) & 0xFF);
				}

				//! Byte swap unsigned int
				static uint32_t swap_uint32(uint32_t val)
				{
					val = ((val << 8) & 0xFF00FF00) | ((val >> 8) & 0xFF00FF);
					return (val << 16) | (val >> 16);
				}

				//! Byte swap int
				static int32_t swap_int32(int32_t val)
				{
					val = ((val << 8) & 0xFF00FF00) | ((val >> 8) & 0xFF00FF);
					return (val << 16) | ((val >> 16) & 0xFFFF);
				}