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matlab88.f90
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!
! gfortran matlab88.f90 -fno-range-check -O3 -o matlab
!
PROGRAM BIGMAT
CALL MATLAB(0)
STOP
END PROGRAM BIGMAT
!module matlab_module
!contains
!-----------------------------------------------------------------------
SUBROUTINE CLAUSE
DOUBLE PRECISION STKR(50505),STKI(50505)
INTEGER IDSTK(4,48),LSTK(48),MSTK(48),NSTK(48),VSIZE,LSIZE,BOT,TOP
INTEGER IDS(4,32),PSTK(32),RSTK(32),PSIZE,PT,PTZ
INTEGER DDT,ERR,FMT,LCT(4),LIN(1024),LPT(6),HIO,RIO,WIO,RTE,WTE,FE
INTEGER SYM,SYN(4),BUF(256),CHRA,FLP(2),FIN,FUN,LHS,RHS,RAN(2)
COMMON /VSTK/ STKR,STKI,IDSTK,LSTK,MSTK,NSTK,VSIZE,LSIZE,BOT,TOP
COMMON /RECU/ IDS,PSTK,RSTK,PSIZE,PT,PTZ
COMMON /IOP/ DDT,ERR,FMT,LCT,LIN,LPT,HIO,RIO,WIO,RTE,WTE,FE
COMMON /COM/ SYM,SYN,BUF,CHRA,FLP,FIN,FUN,LHS,RHS,RAN
INTEGER FOR(4),WHILE(4),IFF(4),ELSE(4),ENND(4),DO(4),THENN(4)
INTEGER SEMI,EQUAL,EOL,BLANK,R
INTEGER OP,COMMA,LESS,GREAT,NAME
LOGICAL EQID
DOUBLE PRECISION E1,E2
DATA SEMI/39/,EQUAL/46/,EOL/99/,BLANK/36/
DATA COMMA/48/,LESS/50/,GREAT/51/,NAME/1/
DATA FOR/15,24,27,36/,WHILE/32,17,18,21/,IFF/18,15,36,36/
DATA ELSE/14,21,28,14/,ENND/14,23,13,36/
DATA DO/13,24,36,36/,THENN/29,17,14,23/
SAVE SEMI,EQUAL,EOL,BLANK
SAVE COMMA,LESS,GREAT,NAME
SAVE FOR,WHILE,IFF
SAVE ELSE,ENND
SAVE DO,THENN
R = -FIN-10
FIN = 0
IF (DDT == 1) WRITE(WTE,100) PT,RSTK(PT),R
100 FORMAT(1X,'CLAUSE',3I4)
IF (R<1 .OR. R>6) GOTO 01
GOTO (02,30,30,80,99,90),R
01 R = RSTK(PT)
GOTO (99,99,05,40,45,99,99,99,99,99,99,99,15,55,99,99,99),R
!
! FOR
!
02 CALL GETSYM
IF (SYM /= NAME) CALL ERROR(34)
IF (ERR > 0) RETURN
PT = PT+2
CALL PUTID(IDS(1,PT),SYN)
CALL GETSYM
IF (SYM /= EQUAL) CALL ERROR(34)
IF (ERR > 0) RETURN
CALL GETSYM
RSTK(PT) = 3
! *CALL* EXPR
RETURN
05 PSTK(PT-1) = 0
PSTK(PT) = LPT(4) - 1
IF (EQID(SYN,DO)) SYM = SEMI
IF (SYM == COMMA) SYM = SEMI
IF (SYM /= SEMI) CALL ERROR(34)
IF (ERR > 0) RETURN
10 J = PSTK(PT-1)
LPT(4) = PSTK(PT)
SYM = SEMI
CHRA = BLANK
J = J+1
L = LSTK(TOP)
M = MSTK(TOP)
N = NSTK(TOP)
LJ = L+(J-1)*M
L2 = L + M*N
IF (M /= -3) GOTO 12
LJ = L+3
L2 = LJ
STKR(LJ) = STKR(L) + DFLOAT(J-1)*STKR(L+1)
STKI(LJ) = 0.0
IF (STKR(L+1)>0.0D0 .AND. STKR(LJ)>STKR(L+2)) GOTO 20
IF (STKR(L+1)<0.0D0 .AND. STKR(LJ)<STKR(L+2)) GOTO 20
M = 1
N = J
12 IF (J > N) GOTO 20
IF (TOP+1 >= BOT) CALL ERROR(18)
IF (ERR > 0) RETURN
TOP = TOP+1
LSTK(TOP) = L2
MSTK(TOP) = M
NSTK(TOP) = 1
ERR = L2+M - LSTK(BOT)
IF (ERR > 0) CALL ERROR(17)
IF (ERR > 0) RETURN
CALL WCOPY(M,STKR(LJ),STKI(LJ),1,STKR(L2),STKI(L2),1)
RHS = 0
CALL STACKP(IDS(1,PT))
IF (ERR > 0) RETURN
PSTK(PT-1) = J
PSTK(PT) = LPT(4)
RSTK(PT) = 13
! *CALL* PARSE
RETURN
15 GOTO 10
20 MSTK(TOP) = 0
NSTK(TOP) = 0
RHS = 0
CALL STACKP(IDS(1,PT))
IF (ERR > 0) RETURN
PT = PT-2
GOTO 80
!
! WHILE OR IF
!
30 PT = PT+1
CALL PUTID(IDS(1,PT),SYN)
PSTK(PT) = LPT(4)-1
35 LPT(4) = PSTK(PT)
CHRA = BLANK
CALL GETSYM
RSTK(PT) = 4
! *CALL* EXPR
RETURN
40 IF (SYM/=EQUAL .AND. SYM/=LESS .AND. SYM/=GREAT)&
CALL ERROR(35)
IF (ERR > 0) RETURN
OP = SYM
CALL GETSYM
IF (SYM==EQUAL .OR. SYM==GREAT) OP = OP + SYM
IF (OP > GREAT) CALL GETSYM
PSTK(PT) = 256*PSTK(PT) + OP
RSTK(PT) = 5
! *CALL* EXPR
RETURN
45 OP = MOD(PSTK(PT),256)
PSTK(PT) = PSTK(PT)/256
L = LSTK(TOP-1)
E1 = STKR(L)
L = LSTK(TOP)
E2 = STKR(L)
TOP = TOP - 2
IF (EQID(SYN,DO) .OR. EQID(SYN,THENN)) SYM = SEMI
IF (SYM == COMMA) SYM = SEMI
IF (SYM /= SEMI) CALL ERROR(35)
IF (ERR > 0) RETURN
IF (OP==EQUAL .AND. E1==E2) GOTO 50
IF (OP==LESS .AND. E1<E2) GOTO 50
IF (OP==GREAT .AND. E1>E2) GOTO 50
IF (OP==(LESS+EQUAL) .AND. E1<=E2) GOTO 50
IF (OP==(GREAT+EQUAL) .AND. E1>=E2) GOTO 50
IF (OP==(LESS+GREAT) .AND. E1/=E2) GOTO 50
PT = PT-1
GOTO 80
50 RSTK(PT) = 14
! *CALL* PARSE
RETURN
55 IF (EQID(IDS(1,PT),WHILE)) GOTO 35
PT = PT-1
IF (EQID(SYN,ELSE)) GOTO 80
RETURN
!
! SEARCH FOR MATCHING END OR ELSE
80 KOUNT = 0
CALL GETSYM
82 IF (SYM == EOL) RETURN
IF (SYM /= NAME) GOTO 83
IF (EQID(SYN,ENND) .AND. KOUNT==0) RETURN
IF (EQID(SYN,ELSE) .AND. KOUNT==0) RETURN
IF (EQID(SYN,ENND) .OR. EQID(SYN,ELSE))&
KOUNT = KOUNT-1
IF (EQID(SYN,FOR) .OR. EQID(SYN,WHILE)&
.OR. EQID(SYN,IFF)) KOUNT = KOUNT+1
83 CALL GETSYM
GOTO 82
!
! EXIT FROM LOOP
90 IF (DDT == 1) WRITE(WTE,190) (RSTK(I),I=1,PT)
190 FORMAT(1X,'EXIT ',10I4)
IF (RSTK(PT) == 14) PT = PT-1
IF (PT <= PTZ) RETURN
IF (RSTK(PT) == 14) PT = PT-1
IF (PT-1 <= PTZ) RETURN
IF (RSTK(PT) == 13) TOP = TOP-1
IF (RSTK(PT) == 13) PT = PT-2
GOTO 80
!
99 CALL ERROR(22)
IF (ERR > 0) RETURN
RETURN
END SUBROUTINE CLAUSE
!-----------------------------------------------------------------------
SUBROUTINE COMAND(ID)
INTEGER ID(4)
DOUBLE PRECISION STKR(50505),STKI(50505)
INTEGER IDSTK(4,48),LSTK(48),MSTK(48),NSTK(48),VSIZE,LSIZE,BOT,TOP
INTEGER ALFA(52),ALFB(52),ALFL,CASE
INTEGER IDS(4,32),PSTK(32),RSTK(32),PSIZE,PT,PTZ
INTEGER DDT,ERR,FMT,LCT(4),LIN(1024),LPT(6),HIO,RIO,WIO,RTE,WTE,FE
INTEGER SYM,SYN(4),BUF(256),CHRA,FLP(2),FIN,FUN,LHS,RHS,RAN(2)
COMMON /VSTK/ STKR,STKI,IDSTK,LSTK,MSTK,NSTK,VSIZE,LSIZE,BOT,TOP
COMMON /ALFS/ ALFA,ALFB,ALFL,CASE
COMMON /RECU/ IDS,PSTK,RSTK,PSIZE,PT,PTZ
COMMON /IOP/ DDT,ERR,FMT,LCT,LIN,LPT,HIO,RIO,WIO,RTE,WTE,FE
COMMON /COM/ SYM,SYN,BUF,CHRA,FLP,FIN,FUN,LHS,RHS,RAN
INTEGER CMD(4,17),CMDL,A,D,E,Z,LRECL,CH,BLANK,NAME,DOT,H(4)
INTEGER SEMI,COMMA,EOL
DOUBLE PRECISION URAND
LOGICAL EQID
DATA CMDL/17/,A/10/,D/13/,E/14/,Z/35/,EOL/99/,SEMI/39/,COMMA/48/
DATA BLANK/36/,NAME/1/,DOT/47/
SAVE CMDL,A,D,E,Z,EOL,SEMI,COMMA,BLANK,NAME,DOT
!
! CLEAR ELSE END EXIT
! FOR HELP IF LONG
! RETUR SEMI
! SHORT WHAT WHILE
! WHO WHY LALA FOO
DATA CMD/&
12,21,14,10, 14,21,28,14, 14,23,13,36, 14,33,18,29,&
15,24,27,36, 17,14,21,25, 18,15,36,36, 21,24,23,16,&
27,14,29,30, 28,14,22,18,&
28,17,24,27, 32,17,10,29, 32,17,18,21,&
32,17,24,36, 32,17,34,36, 21,10,21,10, 15,30,12,20/
!
DATA LRECL/80/
save LRECL
101 FORMAT(80A1)
102 FORMAT(1X,80A1)
!
IF (DDT == 1) WRITE(WTE,100)
100 FORMAT(1X,'COMAND')
FUN = 0
DO 10 K = 1, CMDL
IF (EQID(ID,CMD(1,K))) GOTO 20
10 CONTINUE
FIN = 0
RETURN
!
20 IF (CHRA==COMMA .OR. CHRA==SEMI .OR. CHRA==EOL) GOTO 22
IF (CHRA<=Z .OR. K==6) GOTO 22
CALL ERROR(16)
RETURN
!
22 FIN = 1
GOTO (25,36,38,40,30,80,34,52,44,55,50,65,32,60,70,46,48),K
!
! CLEAR
25 IF (CHRA>=A .AND. CHRA<=Z) GOTO 26
BOT = LSIZE-3
GOTO 98
26 CALL GETSYM
TOP = TOP+1
MSTK(TOP) = 0
NSTK(TOP) = 0
RHS = 0
CALL STACKP(SYN)
IF (ERR > 0) RETURN
FIN = 1
GOTO 98
!
! FOR, WHILE, IF, ELSE, END
30 FIN = -11
GOTO 99
32 FIN = -12
GOTO 99
34 FIN = -13
GOTO 99
36 FIN = -14
GOTO 99
38 FIN = -15
GOTO 99
!
! EXIT
40 IF (PT > PTZ) FIN = -16
IF (PT > PTZ) GOTO 98
K = IDINT(STKR(VSIZE-2))
WRITE(WTE,140) K
IF (WIO /= 0) WRITE(WIO,140) K
140 FORMAT(/1X,'total flops ',I9//1X,'ADIOS'/)
FUN = 99
GOTO 98
!
! RETURN
44 K = LPT(1) - 7
IF (K <= 0) FUN = 99
IF (K <= 0) GOTO 98
CALL FILES(-RIO,BUF)
LPT(1) = LIN(K+1)
LPT(4) = LIN(K+2)
LPT(6) = LIN(K+3)
PTZ = LIN(K+4)
RIO = LIN(K+5)
LCT(4) = LIN(K+6)
CHRA = BLANK
SYM = COMMA
GOTO 99
!
! LALA
46 WRITE(WTE,146)
146 FORMAT(1X,'QUIT SINGING AND GET BACK TO WORK.')
GOTO 98
!
! FOO
48 WRITE(WTE,148)
148 FORMAT(1X,'YOUR PLACE OR MINE')
GOTO 98
!
! SHORT, LONG
50 FMT = 1
GOTO 54
52 FMT = 2
54 IF (CHRA==E .OR. CHRA==D) FMT = FMT+2
IF (CHRA == Z) FMT = 5
IF (CHRA==E .OR. CHRA==D .OR. CHRA==Z) CALL GETSYM
GOTO 98
!
! SEMI
55 LCT(3) = 1 - LCT(3)
GOTO 98
!
! WHO
60 WRITE(WTE,160)
IF (WIO /= 0) WRITE(WIO,160)
160 FORMAT(1X,'Your current variables are...')
CALL PRNTID(IDSTK(1,BOT),LSIZE-BOT+1)
L = VSIZE-LSTK(BOT)+1
WRITE(WTE,161) L,VSIZE
IF (WIO /= 0) WRITE(WIO,161) L,VSIZE
161 FORMAT(1X,'using ',I7,' out of ',I7,' elements.')
GOTO 98
!
! WHAT
65 WRITE(WTE,165)
165 FORMAT(1X,'The functions and commands are...')
H(1) = 0
CALL FUNS(H)
CALL PRNTID(CMD,CMDL-2)
GOTO 98
!
! WHY
70 K = IDINT(9.0D0*URAND(RAN(1))+1.0D0)
GOTO (71,72,73,74,75,76,77,78,79),K
71 WRITE(WTE,171)
171 FORMAT(1X,'WHAT?')
GOTO 98
72 WRITE(WTE,172)
172 FORMAT(1X,'R.T.F.M.')
GOTO 98
73 WRITE(WTE,173)
173 FORMAT(1X,'HOW THE HELL SHOULD I KNOW?')
GOTO 98
74 WRITE(WTE,174)
174 FORMAT(1X,'PETE MADE ME DO IT.')
GOTO 98
75 WRITE(WTE,175)
175 FORMAT(1X,'INSUFFICIENT DATA TO ANSWER.')
GOTO 98
76 WRITE(WTE,176)
176 FORMAT(1X,'IT FEELS GOOD.')
GOTO 98
77 WRITE(WTE,177)
177 FORMAT(1X,'WHY NOT?')
GOTO 98
78 WRITE(WTE,178)
178 FORMAT(1X,'/--ERROR'/1X,'STUPID QUESTION.')
GOTO 98
79 WRITE(WTE,179)
179 FORMAT(1X,'SYSTEM ERROR, RETRY')
GOTO 98
!
! HELP
80 IF (CHRA /= EOL) GOTO 81
WRITE(WTE,180)
IF (WIO /= 0) WRITE(WIO,180)
180 FORMAT(1X,'Type HELP followed by ...'&
/1X,'INTRO (To get started)'&
/1X,'NEWS (recent revisions)')
H(1) = 0
CALL FUNS(H)
CALL PRNTID(CMD,CMDL-2)
J = BLANK+2
WRITE(WTE,181)
IF (WIO /= 0) WRITE(WIO,181)
181 FORMAT(1X,'ANS EDIT FILE FUN MACRO')
WRITE(WTE,182) (ALFA(I),I=J,ALFL)
IF (WIO /= 0) WRITE(WIO,182) (ALFA(I),I=J,ALFL)
182 FORMAT(1X,17(A1,1X)/)
GOTO 98
!
81 CALL GETSYM
IF (SYM == NAME) GOTO 82
IF (SYM == 0) SYM = DOT
H(1) = ALFA(SYM+1)
H(2) = ALFA(BLANK+1)
H(3) = ALFA(BLANK+1)
H(4) = ALFA(BLANK+1)
GOTO 84
82 DO 83 I = 1, 4
CH = SYN(I)
H(I) = ALFA(CH+1)
83 CONTINUE
84 IF(HIO /= 0) THEN
READ(HIO,101,END=89) (BUF(I),I=1,LRECL)
!DC.. IF (EOF(HIO)/=0) GOTO 89
DO 85 I = 1, 4
IF (H(I) /= BUF(I)) GOTO 84
85 CONTINUE
WRITE(WTE,102)
IF (WIO /= 0) WRITE(WIO,102)
86 K = LRECL + 1
87 K = K - 1
IF (BUF(K) == ALFA(BLANK+1)) GOTO 87
WRITE(WTE,102) (BUF(I),I=1,K)
IF (WIO /= 0) WRITE(WIO,102) (BUF(I),I=1,K)
READ(HIO,101) (BUF(I),I=1,LRECL)
IF (BUF(1) == ALFA(BLANK+1)) GOTO 86
CALL FILES(-HIO,BUF)
GOTO 98
ENDIF
!
89 WRITE(WTE,189) (H(I),I=1,4)
189 FORMAT(1X,'SORRY, NO HELP ON ',4A1)
CALL FILES(-HIO,BUF)
GOTO 98
!
98 CALL GETSYM
99 RETURN
END SUBROUTINE COMAND
!-----------------------------------------------------------------------
SUBROUTINE EDIT(BUF,N)
INTEGER BUF(N)
!
! CALLED AFTER INPUT OF A SINGLE BACKSLASH
! BUF CONTAINS PREVIOUS INPUT LINE, ONE CHAR PER WORD
! ENTER LOCAL EDITOR IF AVAILABLE
! OTHERWISE JUST
RETURN
END SUBROUTINE EDIT
!-----------------------------------------------------------------------
SUBROUTINE ERROR(N)
INTEGER N
DOUBLE PRECISION STKR(50505),STKI(50505)
INTEGER IDSTK(4,48),LSTK(48),MSTK(48),NSTK(48),VSIZE,LSIZE,BOT,TOP
INTEGER IDS(4,32),PSTK(32),RSTK(32),PSIZE,PT,PTZ
INTEGER ALFA(52),ALFB(52),ALFL,CASE
INTEGER DDT,ERR,FMT,LCT(4),LIN(1024),LPT(6),HIO,RIO,WIO,RTE,WTE,FE
INTEGER SYM,SYN(4),BUF(256),CHRA,FLP(2),FIN,FUN,LHS,RHS,RAN(2)
COMMON /VSTK/ STKR,STKI,IDSTK,LSTK,MSTK,NSTK,VSIZE,LSIZE,BOT,TOP
COMMON /RECU/ IDS,PSTK,RSTK,PSIZE,PT,PTZ
COMMON /ALFS/ ALFA,ALFB,ALFL,CASE
COMMON /IOP/ DDT,ERR,FMT,LCT,LIN,LPT,HIO,RIO,WIO,RTE,WTE,FE
COMMON /COM/ SYM,SYN,BUF,CHRA,FLP,FIN,FUN,LHS,RHS,RAN
CHARACTER*80 BLH
BLH(1:80)=' '
!
K = LPT(2) - LPT(1)
IF (K < 1) K = 1
LUNIT = WTE
98 CONTINUE
! ASSUME CHAR(7) IS CTRL-G
WRITE(LUNIT,'(1X,A,''/--ERROR'',A1)') BLH(1:K),ERRMSG,CHAR(7)
GOTO (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,&
23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40),N
!
1 WRITE(LUNIT,101)
101 FORMAT(1X,'IMPROPER MULTIPLE ASSIGNMENT')
GOTO 99
2 WRITE(LUNIT,102)
102 FORMAT(1X,'IMPROPER FACTOR')
GOTO 99
3 WRITE(LUNIT,103)
103 FORMAT(1X,'EXPECT RIGHT PARENTHESIS')
GOTO 99
4 DO 94 I = 1, 4
K = IDS(I,PT+1)
BUF(I) = ALFA(K+1)
94 CONTINUE
WRITE(LUNIT,104) (BUF(I),I=1,4)
104 FORMAT(1X,'UNDEFINED VARIABLE: ',4A1)
GOTO 99
5 WRITE(LUNIT,105)
105 FORMAT(1X,'COLUMN LENGTHS DO NOT MATCH')
GOTO 99
6 WRITE(LUNIT,106)
106 FORMAT(1X,'ROW LENGTHS DO NOT MATCH')
GOTO 99
7 WRITE(LUNIT,107)
107 FORMAT(1X,'TEXT TOO LONG')
GOTO 99
8 WRITE(LUNIT,108)
108 FORMAT(1X,'INCOMPATIBLE FOR ADDITION')
GOTO 99
9 WRITE(LUNIT,109)
109 FORMAT(1X,'INCOMPATIBLE FOR SUBTRACTION')
GOTO 99
10 WRITE(LUNIT,110)
110 FORMAT(1X,'INCOMPATIBLE FOR MULTIPLICATION')
GOTO 99
11 WRITE(LUNIT,111)
111 FORMAT(1X,'INCOMPATIBLE FOR RIGHT DIVISION')
GOTO 99
12 WRITE(LUNIT,112)
112 FORMAT(1X,'INCOMPATIBLE FOR LEFT DIVISION')
GOTO 99
13 WRITE(LUNIT,113)
113 FORMAT(1X,'IMPROPER ASSIGNMENT TO PERMANENT VARIABLE')
GOTO 99
14 WRITE(LUNIT,114)
114 FORMAT(1X,'EYE-DENTITY UNDEFINED BY CONTEXT')
GOTO 99
15 WRITE(LUNIT,115)
115 FORMAT(1X,'IMPROPER ASSIGNMENT TO SUBMATRIX')
GOTO 99
16 WRITE(LUNIT,116)
116 FORMAT(1X,'IMPROPER COMMAND')
GOTO 99
17 LB = VSIZE - LSTK(BOT) + 1
LT = ERR + LSTK(BOT)
WRITE(LUNIT,117) LB,LT,VSIZE
117 FORMAT(1X,'TOO MUCH MEMORY REQUIRED'&
/1X,' ',I7,' VARIABLES,',I7,' TEMPORARIES,',I7,' AVAILABLE.')
GOTO 99
18 WRITE(LUNIT,118)
118 FORMAT(1X,'TOO MANY NAMES')
GOTO 99
19 WRITE(LUNIT,119)
119 FORMAT(1X,'MATRIX IS SINGULAR TO WORKING PRECISION')
GOTO 99
20 WRITE(LUNIT,120)
120 FORMAT(1X,'MATRIX MUST BE SQUARE')
GOTO 99
21 WRITE(LUNIT,121)
121 FORMAT(1X,'SUBSCRIPT OUT OF RANGE')
GOTO 99
22 WRITE(LUNIT,122) (RSTK(I),I=1,PT)
122 FORMAT(1X,'RECURSION DIFFICULTIES',10I4)
GOTO 99
23 WRITE(LUNIT,123)
123 FORMAT(1X,'ONLY 1, 2 OR INF NORM OF MATRIX')
GOTO 99
24 WRITE(LUNIT,124)
124 FORMAT(1X,'NO CONVERGENCE')
GOTO 99
25 WRITE(LUNIT,125)
125 FORMAT(1X,'CAN NOT USE FUNCTION NAME AS VARIABLE')
GOTO 99
26 WRITE(LUNIT,126)
126 FORMAT(1X,'TOO COMPLICATED (STACK OVERFLOW)')
GOTO 99
27 WRITE(LUNIT,127)
127 FORMAT(1X,'DIVISION BY ZERO IS A NO-NO')
GOTO 99
28 WRITE(LUNIT,128)
128 FORMAT(1X,'EMPTY MACRO')
GOTO 99
29 WRITE(LUNIT,129)
129 FORMAT(1X,'NOT POSITIVE DEFINITE')
GOTO 99
30 WRITE(LUNIT,130)
130 FORMAT(1X,'IMPROPER EXPONENT')
GOTO 99
31 WRITE(LUNIT,131)
131 FORMAT(1X,'IMPROPER STRING')
GOTO 99
32 WRITE(LUNIT,132)
132 FORMAT(1X,'SINGULARITY OF LOG OR ATAN')
GOTO 99
33 WRITE(LUNIT,133)
133 FORMAT(1X,'TOO MANY COLONS')
GOTO 99
34 WRITE(LUNIT,134)
134 FORMAT(1X,'IMPROPER FOR CLAUSE')
GOTO 99
35 WRITE(LUNIT,135)
135 FORMAT(1X,'IMPROPER WHILE OR IF CLAUSE')
GOTO 99
36 WRITE(LUNIT,136)
136 FORMAT(1X,'ARGUMENT OUT OF RANGE')
GOTO 99
37 WRITE(LUNIT,137)
137 FORMAT(1X,'IMPROPER MACRO')
GOTO 99
38 WRITE(LUNIT,138)
138 FORMAT(1X,'IMPROPER FILE NAME')
GOTO 99
39 WRITE(LUNIT,139)
139 FORMAT(1X,'INCORRECT NUMBER OF ARGUMENTS')
GOTO 99
40 WRITE(LUNIT,140)
140 FORMAT(1X,'EXPECT STATEMENT TERMINATOR')
GOTO 99
!
99 ERR = N
IF (LUNIT==WIO .OR. WIO==0) RETURN
LUNIT = WIO
GOTO 98
END SUBROUTINE ERROR
!-----------------------------------------------------------------------
SUBROUTINE EXPR
DOUBLE PRECISION STKR(50505),STKI(50505)
INTEGER IDSTK(4,48),LSTK(48),MSTK(48),NSTK(48),VSIZE,LSIZE,BOT,TOP
INTEGER IDS(4,32),PSTK(32),RSTK(32),PSIZE,PT,PTZ
INTEGER DDT,ERR,FMT,LCT(4),LIN(1024),LPT(6),HIO,RIO,WIO,RTE,WTE,FE
INTEGER SYM,SYN(4),BUF(256),CHRA,FLP(2),FIN,FUN,LHS,RHS,RAN(2)
COMMON /VSTK/ STKR,STKI,IDSTK,LSTK,MSTK,NSTK,VSIZE,LSIZE,BOT,TOP
COMMON /RECU/ IDS,PSTK,RSTK,PSIZE,PT,PTZ
COMMON /IOP/ DDT,ERR,FMT,LCT,LIN,LPT,HIO,RIO,WIO,RTE,WTE,FE
COMMON /COM/ SYM,SYN,BUF,CHRA,FLP,FIN,FUN,LHS,RHS,RAN
INTEGER OP,R,BLANK,SIGN,PLUS,MINUS,NAME,COLON,EYE(4)
DATA COLON/40/,BLANK/36/,PLUS/41/,MINUS/42/,NAME/1/
DATA EYE/14,34,14,36/
SAVE COLON,BLANK,PLUS,MINUS,NAME,EYE
IF (DDT == 1) WRITE(WTE,100) PT,RSTK(PT)
100 FORMAT(1X,'EXPR ',2I4)
R = RSTK(PT)
GOTO (01,01,01,01,01,05,25,99,99,01,01,99,99,99,99,99,99,01,01,&
01),R
01 IF (SYM == COLON) CALL PUTID(SYN,EYE)
IF (SYM == COLON) SYM = NAME
KOUNT = 1
02 SIGN = PLUS
IF (SYM == MINUS) SIGN = MINUS
IF (SYM==PLUS .OR. SYM==MINUS) CALL GETSYM
PT = PT+1
IF (PT > PSIZE-1) CALL ERROR(26)
IF (ERR > 0) RETURN
PSTK(PT) = SIGN + 256*KOUNT
RSTK(PT) = 6
! *CALL* TERM
RETURN
05 SIGN = MOD(PSTK(PT),256)
KOUNT = PSTK(PT)/256
PT = PT-1
IF (SIGN == MINUS) CALL STACK1(MINUS)
IF (ERR > 0) RETURN
10 IF (SYM==PLUS .OR. SYM==MINUS) GOTO 20
GOTO 50
20 IF (RSTK(PT) /= 10) GOTO 21
! BLANK IS DELIMITER INSIDE ANGLE BRACKETS
LS = LPT(3) - 2
IF (LIN(LS) == BLANK) GOTO 50
21 OP = SYM
CALL GETSYM
PT = PT+1
PSTK(PT) = OP + 256*KOUNT
RSTK(PT) = 7
! *CALL* TERM
RETURN
25 OP = MOD(PSTK(PT),256)
KOUNT = PSTK(PT)/256
PT = PT-1
CALL STACK2(OP)
IF (ERR > 0) RETURN
GOTO 10
50 IF (SYM /= COLON) GOTO 60
CALL GETSYM
KOUNT = KOUNT+1
GOTO 02
60 IF (KOUNT > 3) CALL ERROR(33)
IF (ERR > 0) RETURN
RHS = KOUNT
IF (KOUNT > 1) CALL STACK2(COLON)
IF (ERR > 0) RETURN
RETURN
99 CALL ERROR(22)
IF (ERR > 0) RETURN
RETURN
END SUBROUTINE EXPR
!-----------------------------------------------------------------------
SUBROUTINE FACTOR
DOUBLE PRECISION STKR(50505),STKI(50505)
INTEGER IDSTK(4,48),LSTK(48),MSTK(48),NSTK(48),VSIZE,LSIZE,BOT,TOP
INTEGER IDS(4,32),PSTK(32),RSTK(32),PSIZE,PT,PTZ
INTEGER DDT,ERR,FMT,LCT(4),LIN(1024),LPT(6),HIO,RIO,WIO,RTE,WTE,FE
INTEGER SYM,SYN(4),BUF(256),CHRA,FLP(2),FIN,FUN,LHS,RHS,RAN(2)
COMMON /VSTK/ STKR,STKI,IDSTK,LSTK,MSTK,NSTK,VSIZE,LSIZE,BOT,TOP
COMMON /RECU/ IDS,PSTK,RSTK,PSIZE,PT,PTZ
COMMON /IOP/ DDT,ERR,FMT,LCT,LIN,LPT,HIO,RIO,WIO,RTE,WTE,FE
COMMON /COM/ SYM,SYN,BUF,CHRA,FLP,FIN,FUN,LHS,RHS,RAN
INTEGER SEMI,EOL,BLANK,R,ID(4),EXCNT,LPAREN,RPAREN
INTEGER STAR,DSTAR,COMMA,LESS,GREAT,QUOTE,NUM,NAME,ALFL
DATA DSTAR/54/,SEMI/39/,EOL/99/,BLANK/36/
DATA STAR/43/,COMMA/48/,LPAREN/37/,RPAREN/38/
DATA LESS/50/,GREAT/51/,QUOTE/49/,NUM/0/,NAME/1/,ALFL/52/
SAVE DSTAR,SEMI,EOL,BLANK
SAVE STAR,COMMA,LPAREN,RPAREN
SAVE LESS,GREAT,QUOTE,NUM,NAME,ALFL
IF (DDT == 1) WRITE(WTE,100) PT,RSTK(PT),SYM
100 FORMAT(1X,'FACTOR',3I4)
R = RSTK(PT)
GOTO (99,99,99,99,99,99,99,01,01,25,45,65,99,99,99,55,75,32,37),R
01 IF (SYM==NUM .OR. SYM==QUOTE .OR. SYM==LESS) GOTO 10
IF (SYM == GREAT) GOTO 30
EXCNT = 0
IF (SYM == NAME) GOTO 40
ID(1) = BLANK
IF (SYM == LPAREN) GOTO 42
CALL ERROR(2)
IF (ERR > 0) RETURN
!
! PUT SOMETHING ON THE STACK
10 L = 1
IF (TOP > 0) L = LSTK(TOP) + MSTK(TOP)*NSTK(TOP)
IF (TOP+1 >= BOT) CALL ERROR(18)
IF (ERR > 0) RETURN
TOP = TOP+1
LSTK(TOP) = L
IF (SYM == QUOTE) GOTO 15
IF (SYM == LESS) GOTO 20
!
! SINGLE NUMBER, GETSYM STORED IT IN STKI
MSTK(TOP) = 1
NSTK(TOP) = 1
STKR(L) = STKI(VSIZE)
STKI(L) = 0.0D0
CALL GETSYM
GOTO 60
!
! STRING
15 N = 0
LPT(4) = LPT(3)
CALL GETCH
16 IF (CHRA == QUOTE) GOTO 18
17 LN = L+N
IF (CHRA == EOL) CALL ERROR(31)
IF (ERR > 0) RETURN
STKR(LN) = DFLOAT(CHRA)
STKI(LN) = 0.0D0
N = N+1
CALL GETCH
GOTO 16
18 CALL GETCH
IF (CHRA == QUOTE) GOTO 17
IF (N <= 0) CALL ERROR(31)
IF (ERR > 0) RETURN
MSTK(TOP) = 1
NSTK(TOP) = N
CALL GETSYM
GOTO 60
!
! EXPLICIT MATRIX
20 MSTK(TOP) = 0
NSTK(TOP) = 0
21 TOP = TOP + 1
LSTK(TOP) = LSTK(TOP-1) + MSTK(TOP-1)*NSTK(TOP-1)
MSTK(TOP) = 0
NSTK(TOP) = 0
CALL GETSYM
22 IF (SYM==SEMI .OR. SYM==GREAT .OR. SYM==EOL) GOTO 27
IF (SYM == COMMA) CALL GETSYM
PT = PT+1
RSTK(PT) = 10
! *CALL* EXPR
RETURN
25 PT = PT-1
TOP = TOP - 1
IF (MSTK(TOP) == 0) MSTK(TOP) = MSTK(TOP+1)
IF (MSTK(TOP) /= MSTK(TOP+1)) CALL ERROR(5)
IF (ERR > 0) RETURN
NSTK(TOP) = NSTK(TOP) + NSTK(TOP+1)
GOTO 22
27 IF (SYM==SEMI .AND. CHRA==EOL) CALL GETSYM
CALL STACK1(QUOTE)
IF (ERR > 0) RETURN
TOP = TOP - 1
IF (MSTK(TOP) == 0) MSTK(TOP) = MSTK(TOP+1)
IF (MSTK(TOP)/=MSTK(TOP+1) .AND. MSTK(TOP+1)>0) CALL ERROR(6)
IF (ERR > 0) RETURN
NSTK(TOP) = NSTK(TOP) + NSTK(TOP+1)
IF (SYM == EOL) CALL GETLIN
IF (SYM /= GREAT) GOTO 21
CALL STACK1(QUOTE)
IF (ERR > 0) RETURN
CALL GETSYM
GOTO 60
!
! MACRO STRING
30 CALL GETSYM
IF (SYM==LESS .AND. CHRA==EOL) CALL ERROR(28)
IF (ERR > 0) RETURN
PT = PT+1
RSTK(PT) = 18
! *CALL* EXPR
RETURN
32 PT = PT-1
IF (SYM/=LESS .AND. SYM/=EOL) CALL ERROR(37)
IF (ERR > 0) RETURN
IF (SYM == LESS) CALL GETSYM
K = LPT(6)
LIN(K+1) = LPT(1)
LIN(K+2) = LPT(2)
LIN(K+3) = LPT(6)
LPT(1) = K + 4
! TRANSFER STACK TO INPUT LINE
K = LPT(1)
L = LSTK(TOP)
N = MSTK(TOP)*NSTK(TOP)
DO 34 J = 1, N
LS = L + J-1
LIN(K) = IDINT(STKR(LS))
IF (LIN(K)<0 .OR. LIN(K)>=ALFL) CALL ERROR(37)
IF (ERR > 0) RETURN
IF (K<1024) K = K+1
IF (K==1024) WRITE(WTE,33) K
33 FORMAT(1X,'INPUT BUFFER LIMIT IS ',I4,' CHARACTERS.')
34 CONTINUE
TOP = TOP-1
LIN(K) = EOL
LPT(6) = K
LPT(4) = LPT(1)
LPT(3) = 0
LPT(2) = 0
LCT(1) = 0
CHRA = BLANK
CALL GETSYM
PT = PT+1
RSTK(PT) = 19
! *CALL* EXPR
RETURN
37 PT = PT-1
K = LPT(1) - 4
LPT(1) = LIN(K+1)
LPT(4) = LIN(K+2)
LPT(6) = LIN(K+3)
CHRA = BLANK
CALL GETSYM
GOTO 60
!
! FUNCTION OR MATRIX ELEMENT
40 CALL PUTID(ID,SYN)
CALL GETSYM
IF (SYM == LPAREN) GOTO 42
RHS = 0
CALL FUNS(ID)
IF (FIN /= 0) CALL ERROR(25)
IF (ERR > 0) RETURN
CALL STACKG(ID)
IF (ERR > 0) RETURN
IF (FIN == 7) GOTO 50
IF (FIN == 0) CALL PUTID(IDS(1,PT+1),ID)
IF (FIN == 0) CALL ERROR(4)
IF (ERR > 0) RETURN
GOTO 60
!
42 CALL GETSYM
EXCNT = EXCNT+1
PT = PT+1
PSTK(PT) = EXCNT
CALL PUTID(IDS(1,PT),ID)
RSTK(PT) = 11
! *CALL* EXPR
RETURN
45 CALL PUTID(ID,IDS(1,PT))
EXCNT = PSTK(PT)
PT = PT-1
IF (SYM == COMMA) GOTO 42
IF (SYM /= RPAREN) CALL ERROR(3)
IF (ERR > 0) RETURN
IF (SYM == RPAREN) CALL GETSYM
IF (ID(1) == BLANK) GOTO 60
RHS = EXCNT
CALL STACKG(ID)
IF (ERR > 0) RETURN
IF (FIN == 0) CALL FUNS(ID)
IF (FIN == 0) CALL ERROR(4)
IF (ERR > 0) RETURN
!
! EVALUATE MATRIX FUNCTION
50 PT = PT+1
RSTK(PT) = 16
! *CALL* MATFN
RETURN
55 PT = PT-1
GOTO 60
!
! CHECK FOR QUOTE (TRANSPOSE) AND ** (POWER)
60 IF (SYM /= QUOTE) GOTO 62
I = LPT(3) - 2
IF (LIN(I) == BLANK) GOTO 90
CALL STACK1(QUOTE)
IF (ERR > 0) RETURN
CALL GETSYM
62 IF (SYM/=STAR .OR. CHRA/=STAR) GOTO 90
CALL GETSYM
CALL GETSYM
PT = PT+1
RSTK(PT) = 12
! *CALL* FACTOR
GOTO 01
65 PT = PT-1
CALL STACK2(DSTAR)
IF (ERR > 0) RETURN
IF (FUN /= 2) GOTO 90
! MATRIX POWER, USE EIGENVECTORS
PT = PT+1
RSTK(PT) = 17
! *CALL* MATFN
RETURN
75 PT = PT-1
90 RETURN
99 CALL ERROR(22)
IF (ERR > 0) RETURN
RETURN
END SUBROUTINE FACTOR
!-----------------------------------------------------------------------
SUBROUTINE FILES(LUNIT,INAME)
INTEGER LUNIT
!
! AMIGA SPECIFIC ROUTINE TO ALLOCATE FILES
! LUNIT = LOGICAL UNIT NUMBER
! NAME = FILE NAME, 1 CHARACTER PER WORD
!
INTEGER INAME(256)
character*1024 NAME
INTEGER DDT,ERR,FMT,LCT(4),LIN(1024),LPT(6),HIO,RIO,WIO,RTE,WTE,FE
COMMON /IOP/ DDT,ERR,FMT,LCT,LIN,LPT,HIO,RIO,WIO,RTE,WTE,FE
!
! Amiga dependent stuff to squeeze the NAME from one CHAR per word to one
! per byte
!
character*1024 NAME2
integer*1 strip(4,256),strip2(32)
character*32 NAME3
equivalence (NAME2,strip),(NAME3,strip2)
WRITE(NAME,'(256A4)')(INAME(I),I=1,256)
!
FE=0
!
! ERROR CATCHER
IF (LUNIT == 0) RETURN
!
! PRINTER
!if (LUNIT == RTE) return
!
! TERMINAL I/O
!if (LUNIT == WTE) return
if (LUNIT == 5) return
if (LUNIT == 6) return
!-----------------------------------------------------------------------
! HELP FILE
if (LUNIT == 11) then
OPEN(11,FILE='matlab88_help.txt',STATUS='OLD',ERR=14)
write(WTE,'(/,1X,''HELP is available'')')
return
elseif (LUNIT == -11 .AND. HIO /= 0) then
rewind (11,ERR=99)
return
elseif (LUNIT < 0) then
close(unit=-LUNIT,ERR=99)
return
end if
!-----------------------------------------------------------------------
10 continue
!
! ALL OTHER FILES
!
NAME2=NAME
do 37 j=1,32
37 strip2(j)=strip(1,j)
OPEN(UNIT=LUNIT,FILE=NAME3,STATUS='UNKNOWN',ERR=98)
RETURN
!-----------------------------------------------------------------------
! HELP FILE NOT FOUND
!
14 CONTINUE
WRITE(WTE,'(1x,''HELP IS NOT AVAILABLE'')')
HIO = 0
RETURN
!-----------------------------------------------------------------------
! GENERAL FILE OPEN FAILURE
!
98 WRITE(WTE,'(1X,''OPEN FILE FAILED'')')
FE=1
! IF THIS WAS A DIARY FILE (OUTPUT), SET ITS FILE HANDLE TO 0
IF(LUNIT == 8) THEN
WIO=0
!
! OTHERWISE, SET THE I/O TO TERMINAL I/O
!
ELSE
RIO=RTE
ENDIF
RETURN
!-----------------------------------------------------------------------
99 CONTINUE
RETURN
!-----------------------------------------------------------------------
END SUBROUTINE FILES
DOUBLE PRECISION FUNCTION FLOP(X)
DOUBLE PRECISION X