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Trailing-Edge - PDP-10 Archives - decus_20tap2_198111 - decus/20-0026/qdint.cdk
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$JOB QDINT[30,30]
$FORTRAN QDINT
C                                                                       QDIN  10
C     ..................................................................QDIN  20
C                                                                       QDIN  30
C        SAMPLE PROGRAM FOR INTEGRATION OF A TABULATED FUNCTION BY      QDIN  40
C        NUMERICAL QUADRATURE - QDINT                                   QDIN  50
C                                                                       QDIN  60
C        PURPOSE                                                        QDIN  70
C           INTEGRATES A SET OF TABULATED VALUES FOR F(X) GIVEN THE     QDIN  80
C           NUMBER OF VALUES AND THEIR SPACING                          QDIN  90
C                                                                       QDIN 100
C        REMARKS                                                        QDIN 110
C           THE NUMBER OF VALUES MUST BE MORE THAN TWO AND THE SPACING  QDIN 120
C           GREATER THAN ZERO                                           QDIN 130
C                                                                       QDIN 140
C        SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED                  QDIN 150
C           QSF                                                         QDIN 160
C                                                                       QDIN 170
C        METHOD                                                         QDIN 180
C           READS CONTROL CARD CONTAINING THE CODE NUMBER, NUMBER OF    QDIN 190
C           VALUES, AND THE SPACING OF THE FUNCTION VALUES CONTAINED    QDIN 200
C           ON THE FOLLOWING DATA CARDS. DATA CARDS ARE THEN READ AND   QDIN 210
C           INTEGRATION IS PERFORMED. MORE THAN ONE CONTROL CARD AND    QDIN 220
C           CORRESPONDING DATA CAN BE INTEGRATED IN ONE RUN. EXECUTION  QDIN 230
C           IS TERMINATED BY A BLANK CONTROL CARD.                      QDIN 240
C                                                                       QDIN 250
C     ..................................................................QDIN 260
C                                                                       QDIN 270
C        THE FOLLOWING DIMENSION MUST BE AS LARGE AS THE MAXIMUM NUMBER QDIN 280
C        OF TABULATED VALUES TO BE INTEGRATED                           QDIN 290
C                                                                       QDIN 300
      DIMENSION Z(500)                                                  QDIN 310
C                                                                       QDIN 320
C        ...............................................................QDIN 330
C                                                                       QDIN 340
C        IF A DOUBLE PRECISION VERSION OF THIS ROUTINE IS DESIRED, THE  QDIN 350
C        C IN COLUMN 1 SHOULD BE REMOVED FROM THE DOUBLE PRECISION      QDIN 360
C        STATEMENT WHICH FOLLOWS.                                       QDIN 370
C                                                                       QDIN 380
C     DOUBLE PRECISION Z,SPACE                                          QDIN 390
C                                                                       QDIN 400
C        ...............................................................QDIN 410
C                                                                       QDIN 420
   10 FORMAT (2I5,F10.0)                                                QDIN 430
   20 FORMAT(1H1,62HINTEGRATION OF TABULATED VALUES FOR DY/DX USING SUBRQDIN 440
     1OUTINE QSF//1H ,10HFUNCTION  ,I5,3X,I5,17H TABULATED VALUES,      QDIN 450
     25X,10HINTERVAL =,E15.8//)                                         QDIN 460
   22 FORMAT(1H ,17HILLEGAL CONDITION/)                                 QDIN 470
   23 FORMAT(1H ,45HNUMBER OF TABULATED VALUES IS LESS THAN THREE)      QDIN 480
   30 FORMAT(1H ,7X,'RESULTANT VALUE OF INTEGRAL AT EACH STEP IS ',/    QDIN 490
     1(1H ,6E15.8))                                                     QDIN 500
   32 FORMAT(7F10.0)                                                    QDIN 510
C                                                                       QDIN 520
   35 READ(5,10)ICOD,NUMBR,SPACE                                        QDIN 530
      IF(ICOD+NUMBR)70,70,38                                            QDIN 540
   38 WRITE(6,20)ICOD,NUMBR,SPACE                                       QDIN 550
   50 READ(5,32)(Z(I),I=1,NUMBR)                                        QDIN 560
      IF(NUMBR-3)100,55,55                                              QDIN 570
   55 CALL QSF(SPACE,Z,Z,NUMBR)                                         QDIN 580
   60 WRITE(6,30)(Z(I),I=1,NUMBR)                                       QDIN 590
      GO TO 35                                                          QDIN 600
   70 RETURN                                                            QDIN 610
  100 WRITE(6,22)                                                       QDIN 620
      WRITE (6,23)                                                      QDIN 630
      GO TO 35                                                          QDIN 640
  200 WRITE(6,22)                                                       QDIN 650
      GO TO 35                                                          QDIN 660
      END                                                               QDIN 670
$DECK QDI.CDR
12345   20    1.0                                                             20
       2.0       2.0       2.0       2.0       2.0       2.0       2.0        30
       2.0       2.0       2.0       2.0       2.0       2.0       2.0        40
       2.0       2.0       2.0       2.0       2.0       2.0       2.0        50
  543   10       1.0                                                          60
       1.0       2.0       3.0       4.0       5.0       6.0       7.0        70
       8.0       9.0      10.0      11.0                                      80
                                                                              90
$EOD
.ASSIGN CDR 5
.ASSIGN LPT 6
.SET CDR QDI
.EXECUTE/REL QDINT,WES:SSP/LIB
%FIN::
.DELETE QDI.CDR