COPTION DOUBLE,DUMP=1 DIFF ( Y , X , 2 ) = DIFF ( Y , X , 1 ) $ $ MPRINT = 2 NSTEPS = 1000 START = -5.0d0 END = 5.0d0 DLTXPT = 0.1d0 Y(1) = (1.0d0 + DEXP(START)) Y(2) = (DEXP(START)) WRITE(LIST,120) START,END,DLTXPT,Y(1),Y(2) 120 FORMAT(8F16.10) $ $ C DIGITS := 32; C MAX_TERMS := 30; C ! C X_START := -5.0; C X_END := 5.0 ; C DIFF(Y,0,EXACT_SOLN_Y(X_START)); C DIFF(Y,1,EXACT_SOLN_YP(X_START)); C GLOB_LOOK_POLES := TRUE; C # C # NOT GIVEN = 0 C # REAL = 1 C # COMPLEX = 2 C # NO POLE = 3 C # IMPOSSIBLE EQ = 4 C # C GLOB_TYPE_GIVEN_POLE := 3; C ! C EXACT_SOLN_Y := PROC(X) C RETURN(1.0 + EXP(X)); C END; C EXACT_SOLN_YP := PROC(X) C RETURN(EXP(X)); C END; C