www.gusucode.com > rtw 工具箱matlab源码程序 > rtw/rtw_host_implementation_props.m
function value = rtw_host_implementation_props() % RTW_HOST_IMPLEMENTATION_PROPS - returns C specific implementation % properties for the host computer inside a MATLAB structure. % % See also RTW_IMPLEMENTATION_PROPS, EXAMPLE_RTW_INFO_HOOK. % Copyright 1994-2012 The MathWorks, Inc. try % hostcpuinfo returns an array of doubles containing information about the % host cpu. This information is dynamically calculated, so should be % host independent. The array contains the following information: % % element # Value/descrtiption % 1 Shift right behavior % 0 == logical % 1 == arithmetic % 2 Signed Integer division rounding % 1 == round toward floor % 2 == round toward 0 % 3 == undefined rounding behavior % 3 Byte ordering % 0 == Little Endian % 1 == Big Endian % 4 Number of bits per char % 5 Number of bits per short % 6 Number of bits per int % 7 Number of bits per long % 8 Number of bits per long long % 9 Long Long Mode % 0 == disabled % 1 == enabled host_cpu = hostcpuinfo; value.ShiftRightIntArith = (host_cpu(1) == 1); if (host_cpu(2) == 1) value.IntDivRoundTo = 'Floor'; elseif (host_cpu(2) == 2) value.IntDivRoundTo = 'Zero'; else value.IntDivRoundTo = 'Undefined'; end if (host_cpu(3) == 0) value.Endianess = 'LittleEndian'; else value.Endianess = 'BigEndian'; end catch myException % % This error should not occur for a shipping version of Real Time Workshop. % It should only occur if a new MATLAB Host is being developed, but the % existence of that new host has not been coordinated Real Time Workshop. % errID = 'RTW:buildProcess:unknownHost'; errText = DAStudio.message(errID); newExc = MException(errID,errText); newExc = newExc.addCause(myException); throw(newExc) end