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int_T ssSetNumRWork(SimStruct *S, int_T nRWork)
SimStruct representing an S-Function block.
Number of elements in the floating-point work vector.
The number of elements specified by nRWork, or -1 if DYNAMICALLY_SIZED.
Use in mdlInitializeSizes to specify the number of real_T work vector elements as 0, a positive integer, or DYNAMICALLY_SIZED. If you specify DYNAMICALLY_SIZED, you can specify the true (positive integer) width in mdlSetWorkWidths; otherwise, the width used is the width of the signal passing through the block. The elements of the RWork vector are initialized to zero.
C, C++
See the S-function matlabroot/toolbox/simulink/simdemos/simfeatures/src/sfun_dynsize.c used in sfcndemo_sfun_dynsize.mdl and the S-function matlabroot/toolbox/simulink/simdemos/simfeatures/src/sfunmem.c used in sfcndemo_sfunmem.mdl.

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