MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS Podręcznik Użytkownika Pobierz pdf (Strona 203)

Fully Inlined S-Function with the mdlRTW Routine

4-37

for (;;) {

idx = (bottom + top)/2;

if (u < x[idx]) {

top = idx;

} else if (u > x[idx+1]) {

bottom = idx + 1;

} else {

* We have: x[idx] <= u <= x[idx+1], only need

* to do two more checks and we have the answer.

if (u < 0) {

* We want right continuity, i.e.,

* if u == x[idx+1]

* then x[idx+1] <= u < x[idx+2]

* else x[idx ] <= u < x[idx+1]

return( (u == x[idx+1]) ? (idx+1) : idx);

} else {

* We want left continuity, i.e.,

* if u == x[idx]

* then x[idx-1] < u <= x[idx ]

* else x[idx ] < u <= x[idx+1]

return( (u == x[idx]) ? (idx-1) : idx);

}

} /* end GetDirectLookupIndex */

/* [EOF] lookup_index.c */

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Brak uwag

Models	Document Type
400104	Installation Guide LiquiFix 400104 Installation Guide, 1 pages
400185	Instruction Manual LiquiFix 400185 Instructions / Assembly, 1 pages

MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS Podręcznik Użytkownika Strona 203