function [sys,x0,str,ts] = branch4_s(t,x,u,flag)% function [sys,x0,str,ts] = branch4_s(t,x,u,flag)% % The input port signal is duplicated and put out on all output ports of this block.% Input: Arbitrary input (typically a radar signal). The input is a (in dbtlink)% global variable name that contains the true input. (See getinvar and putoutvar for more info)% Output: The input signal exists on all output ports.%switch flag,  case 0,    [sys,x0,str,ts]=mdlInitializeSizes;  case 1,    sys=mdlDerivatives(t,x,u);  case 2,    sys=mdlUpdate(t,x,u);  case 3,    sys=mdlOutputs(t,x,u);  case 4,    sys=mdlGetTimeOfNextVarHit(t,x,u);  case 9,    sys=mdlTerminate(t,x,u);  otherwise    error(['Unhandled flag = ',num2str(flag)]);end% end branch_s%%=============================================================================% mdlInitializeSizes% Return the sizes, initial conditions, and sample times for the S-function.%=============================================================================%function [sys,x0,str,ts]=mdlInitializeSizes%% call simsizes for a sizes structure, fill it in and convert it to a% sizes array.%% Note that in this example, the values are hard coded.  This is not a% recommended practice as the characteristics of the block are typically% defined by the S-function parameters.%sizes = simsizes;sizes.NumContStates  = 0;sizes.NumDiscStates  = 0;sizes.NumOutputs     = 4;sizes.NumInputs      = 1;sizes.DirFeedthrough = 1;sizes.NumSampleTimes = 1;   % at least one sample time is neededsys = simsizes(sizes);% initialize the initial conditionsx0  = [];% str is always an empty matrixstr = [];% initialize the array of sample timests  = [0 0];% end mdlInitializeSizes%%=============================================================================% mdlDerivatives% Return the derivatives for the continuous states.%=============================================================================%function sys=mdlDerivatives(t,x,u)sys = [];% end mdlDerivatives%%=============================================================================% mdlUpdate% Handle discrete state updates, sample time hits, and major time step% requirements.%=============================================================================%function sys=mdlUpdate(t,x,u)sys = [];% end mdlUpdate%%=============================================================================% mdlOutputs% Return the block outputs.%=============================================================================%function sys=mdlOutputs(t,x,u)  paramNoIn1 = u;  eval(['global pipeVar',num2str(paramNoIn1)])  eval(['inVar1 = pipeVar',num2str(paramNoIn1),';'])  eval(['clear global pipeVar',num2str(paramNoIn1)])    % This is unnecessary if the input global variable is used as one    % of the output global variables.  paramNoOut1 = getparamno;  eval(['global pipeVar',num2str(paramNoOut1)])  eval(['pipeVar',num2str(paramNoOut1),' = inVar1;'])  sys(1) = paramNoOut1;    paramNoOut2 = getparamno;  eval(['global pipeVar',num2str(paramNoOut2)])  eval(['pipeVar',num2str(paramNoOut2),' = inVar1;'])  sys(2) = paramNoOut2;    paramNoOut3 = getparamno;  eval(['global pipeVar',num2str(paramNoOut3)])  eval(['pipeVar',num2str(paramNoOut3),' = inVar1;'])  sys(3) = paramNoOut3;    paramNoOut4 = getparamno;  eval(['global pipeVar',num2str(paramNoOut4)])  eval(['pipeVar',num2str(paramNoOut4),' = inVar1;'])  sys(4) = paramNoOut4;    % end mdlOutputs%%=============================================================================% mdlGetTimeOfNextVarHit% Return the time of the next hit for this block.  Note that the result is% absolute time.  Note that this function is only used when you specify a% variable discrete-time sample time [-2 0] in the sample time array in% mdlInitializeSizes.%=============================================================================%function sys=mdlGetTimeOfNextVarHit(t,x,u)sampleTime = 1;    %  Example, set the next hit to be one second later.sys = t + sampleTime;% end mdlGetTimeOfNextVarHit%%=============================================================================% mdlTerminate% Perform any end of simulation tasks.%=============================================================================%function sys=mdlTerminate(t,x,u)sys = [];% end mdlTerminate