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# scicos_sim

Define a sim structure

### Module

### sim

Scilab typed list of type scs. It contains static arrays coming from the result of the compilation. That arrays does not evolve during the simulation.

Size : 33.

Type : scilab tlist.

**funs**A list containing names of the computational functions or scilab functions.

Size : number of blocks.

Type : list of strings and/or scilab function.

**xptr**A vector pointer to the continuous time state register x. The continuous-time state of block i is state.x(sim.xptr(i):sim.xptr(i+1)-1).

Size : number of blocks + 1.

Type : column vector of integers.

**zptr**A vector pointer to the discrete time state register z. The discrete-time state of block i is state.z(sim.zptr(i):sim.zptr(i+1)-1).

Size : number of blocks + 1.

Type : column vector of integers.

**ozptr**A vector pointer to the object discrete state register oz. The object discrete state of block i is state.oz(sim.ozptr(i):sim.ozptr(i+1)-1).

Size : number of blocks + 1.

Type : column vector of integers.

**zcptr**A vector pointer to the zero-crossing surfaces.

register. That vector gives by block the used number of the zero-crossing.

Size : number of blocks + 1.

Type : column vector of integers.

**inpptr**(sim.inpptr(i+1)-sim.inpptr(i)) gives the number of regular input ports of the i block.

inpptr(i) points to the beginning of ith block inputs within the indirection table inplnk.

Size : number of blocks + 1.

Type : column vector of integers.

**outptr**(sim.outptr(i+1)-sim.outptr(i)) gives the number of regular ouyput ports of the i block.

outptr(i) points to the beginning of ith block outputs within the indirection table outlnk.

Size : number of blocks + 1.

Type : column vector of integers.

**inplnk**(cpr.sim.inplnk(cpr.sim.inpptr(i)-1+j)) is the index of the link connected to the jth input port of the ith block where j goes from 1 to (cpr.sim.inpptr(i+1)-cpr.sim.inpptr(i)).

Size : total number of regular input port.

Type : column vector of integers.

**outlnk**(cpr.sim.outlnk(cpr.sim.outptr(i)-1+j)) is the index of the link connected to the jth output port of the ith block where j goes from 1 to (cpr.sim.outptr(i+1)-cpr.sim.outptr(i)).

Size : total number of regular output port.

Type : column vector of integers.

**rpar**Vector of real parameters that is obtained by concatenating the real parameters registers of all the blocks.

Size : total number of real parameters.

Type : column vector of real numbers.

**rpptr**A vector pointer to the real parameters register rpar. The real parameters of block i are sim.rpar(sim.rpptr(i):sim.rpptr(i+1)-1).

Size : number of blocks + 1.

Type : column vector of integer.

**ipar**Vector of integer parameters that is obtained by concatenating the integer parameters registers of all the blocks.

Size : total number of integer parameters.

Type : column vector of integer.

**ipptr**A vector pointer to the integer parameters register ipar. The integer parameters of block i are sim.ipar(sim.ipptr(i):sim.ipptr(i+1)-1).

Size : number of blocks + 1.

Type : column vector of real numbers.

**opar**List of object parameters that is obtained by concatenating the list of object parameters of all the blocks.

Size : total number of object parameters.

Type : list of scilab objects.

**opptr**A vector pointer to the object parameters list opar. The object parameters of block i are sim.opar(sim.opptr(i):sim.opptr(i+1)-1).

Size : number of blocks + 1.

Type : column vector of integers.

**clkptr**A vector pointer to output activation ports.

(cpr.sim.clkptr(i):cpr.sim.clkptr(i+1)-1) gives the number of output event ports of the block i.

Size : number of blocks + 1.

Type : column vector of integers.

**ordptr**A vector pointer to ordclk designating the part of ordclk corresponding to a given activation.

(cpr.sim.ordptr(i):cpr.sim.ordptr(i+1)-1) points to the region within ordclk indicates the number of blocks activated by the output event ports numbered i.

Size : number of sources of activation + 1.

Type : column vector of integers.

**execlk**Unused.

Size : - Type : matrix of real.

**ordclk**A matrix associated to blocks activated by output activation ports. The first column contains the block number, and the second, the event code by which the block should be called.

Size : total number of blocks summed by source of activations.

Type : matrix of integers.

**cord**A matrix associated to always active blocks.

The first column contains the block number, and the second, the event code by which the block should be called.

Size : ncord.

Type : matrix of integers.

**oord**Subset of cord. Blocks of that matrix have outputs which affect computation of continuous state derivatives.

Size : noord.

Type : matrix of integers.

**zord**Subset of zord. Blocks of that matrix have outputs which affect computation of zero-crossing surfaces.

Size : nzord.

Type : matrix of integers.

**critev**A vector of size equal to the number of activations and containing zeros and ones. The value one indicates that the activation is critical in the sense that the continuous-time solver must be cold restarted.

Size : number of source of activation.

Type : column vector of integers.

**nb**Number of blocks. Note that the number of blocks may differ from the original number of blocks in the diagram because c_pass2 may duplicate some conditional blocks.

Size : 1.

Type : integer.

**ztyp**A vector of size equal to the number of blocks.

A 1 entry indicates that the block may have zero-crossings, even if it does not in the context of the diagram. Usually not used by the simulator.

Size : number of blocks.

Type : column vector of integers.

**nblk**Not used. Set to nb.

Size : 1 Type : integer.

**ndcblk**Not used.

Size : - Type : integer.

**subscr**Not used.

Size : 0 Type : empty real.

**funtyp**A vector of size equal to the number of blocks indicating the type of the computational function of the block. Block type can be 0 through 5.

Currently only type 4 (C language) and type 5 (Scilab language) computational functions should be used. But older blocks can also be used.

Size : number of blocks.

Type : column vector of integer.

**iord**A matrix associated to blocks that must be activated at the start of the simulation. This includes blocks inheriting from constant blocks and always active blocks.

Size : niord.

Type : matrix of integers.

**labels**A string vector of size equal to the number of blocks containing block labels.

Size : numbers of blocks.

Type : column vector of strings.

**modptr**A vector pointer to the block modes.

Size : number of blocks + 1.

Type : column vector of integer.

### File content

SCI/modules/scicos/macros/scicos_scicos/scicos_sim.sci

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