Programma di esempio MATRIX.PRT
; MATRIX
;
; Programma per Proteus
;
; (C) 1998-2003 Simone Zanella Productions
;
; Funzioni per manipolare matrici bidimensionali.


FUNCTION MatNew(row, col)

  ; Crea una matrice di row righe e col colonne
  hmat = VECNEW(row)
  FOR r = 1 TO row
    VECSET(hmat, r, VECNEW(col))
  NEXT
RETURN hmat


FUNCTION MatLen(hmat)

; Ritorna il numero di elementi in una matrice, assumendo
; che ogni riga abbia la stessa lunghezza
RETURN MUL(VECLEN(hmat), VECLEN(VECGET(hmat, 1)))


FUNCTION MatGet(hmat, row, col)

; Ritorna l'elemento row, col della matrice hmat
RETURN VECGET(VECGET(hmat, row), col)


FUNCTION MatSet(hmat, row, col, val)

; Imposta l'elemento row, col della matrice hmat a val
RETURN VECSET(VECGET(hmat, row), col, val)


FUNCTION MatFree(hmat)

  ; Libera la memoria riservata per la matrice hmat
  limit = VECLEN(hmat)
  FOR row = 1 TO limit
    VECFREE(VECGET(hmat, row))
  NEXT
RETURN VECFREE(hmat)
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