FUNCTION BESJ1(X) C***BEGIN PROLOGUE BESJ1 C***DATE WRITTEN 780601 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. C10A1 C***KEYWORDS BESSEL FUNCTION,FIRST KIND,ORDER ONE,SPECIAL FUNCTION C***AUTHOR FULLERTON, W., (LANL) C***PURPOSE Computes the Bessel function of the first kind of order one C***DESCRIPTION C C BESJ1(X) calculates the Bessel function of the first kind of C order one for real argument X. C C Series for BJ1 on the interval 0. to 1.60000D+01 C with weighted error 4.48E-17 C log weighted error 16.35 C significant figures required 15.77 C decimal places required 16.89 C C Series for BM1 on the interval 0. to 6.25000D-02 C with weighted error 5.61E-17 C log weighted error 16.25 C significant figures required 14.97 C decimal places required 16.91 C C Series for BTH1 on the interval 0. to 6.25000D-02 C with weighted error 4.10E-17 C log weighted error 16.39 C significant figures required 15.96 C decimal places required 17.08 C***REFERENCES (NONE) C***ROUTINES CALLED CSEVL,INITS,R1MACH,XERROR C***END PROLOGUE BESJ1 DIMENSION BJ1CS(12), BM1CS(21), BTH1CS(24) DATA BJ1 CS( 1) / -.1172614151 3332787E0 / DATA BJ1 CS( 2) / -.2536152183 0790640E0 / DATA BJ1 CS( 3) / .0501270809 84469569E0 / DATA BJ1 CS( 4) / -.0046315148 09625081E0 / DATA BJ1 CS( 5) / .0002479962 29415914E0 / DATA BJ1 CS( 6) / -.0000086789 48686278E0 / DATA BJ1 CS( 7) / .0000002142 93917143E0 / DATA BJ1 CS( 8) / -.0000000039 36093079E0 / DATA BJ1 CS( 9) / .0000000000 55911823E0 / DATA BJ1 CS(10) / -.0000000000 00632761E0 / DATA BJ1 CS(11) / .0000000000 00005840E0 / DATA BJ1 CS(12) / -.0000000000 00000044E0 / DATA BM1 CS( 1) / .1047362510 931285E0 / DATA BM1 CS( 2) / .0044244389 3702345E0 / DATA BM1 CS( 3) / -.0000566163 9504035E0 / DATA BM1 CS( 4) / .0000023134 9417339E0 / DATA BM1 CS( 5) / -.0000001737 7182007E0 / DATA BM1 CS( 6) / .0000000189 3209930E0 / DATA BM1 CS( 7) / -.0000000026 5416023E0 / DATA BM1 CS( 8) / .0000000004 4740209E0 / DATA BM1 CS( 9) / -.0000000000 8691795E0 / DATA BM1 CS(10) / .0000000000 1891492E0 / DATA BM1 CS(11) / -.0000000000 0451884E0 / DATA BM1 CS(12) / .0000000000 0116765E0 / DATA BM1 CS(13) / -.0000000000 0032265E0 / DATA BM1 CS(14) / .0000000000 0009450E0 / DATA BM1 CS(15) / -.0000000000 0002913E0 / DATA BM1 CS(16) / .0000000000 0000939E0 / DATA BM1 CS(17) / -.0000000000 0000315E0 / DATA BM1 CS(18) / .0000000000 0000109E0 / DATA BM1 CS(19) / -.0000000000 0000039E0 / DATA BM1 CS(20) / .0000000000 0000014E0 / DATA BM1 CS(21) / -.0000000000 0000005E0 / DATA BTH1CS( 1) / .7406014102 6313850E0 / DATA BTH1CS( 2) / -.0045717556 59637690E0 / DATA BTH1CS( 3) / .0001198185 10964326E0 / DATA BTH1CS( 4) / -.0000069645 61891648E0 / DATA BTH1CS( 5) / .0000006554 95621447E0 / DATA BTH1CS( 6) / -.0000000840 66228945E0 / DATA BTH1CS( 7) / .0000000133 76886564E0 / DATA BTH1CS( 8) / -.0000000024 99565654E0 / DATA BTH1CS( 9) / .0000000005 29495100E0 / DATA BTH1CS(10) / -.0000000001 24135944E0 / DATA BTH1CS(11) / .0000000000 31656485E0 / DATA BTH1CS(12) / -.0000000000 08668640E0 / DATA BTH1CS(13) / .0000000000 02523758E0 / DATA BTH1CS(14) / -.0000000000 00775085E0 / DATA BTH1CS(15) / .0000000000 00249527E0 / DATA BTH1CS(16) / -.0000000000 00083773E0 / DATA BTH1CS(17) / .0000000000 00029205E0 / DATA BTH1CS(18) / -.0000000000 00010534E0 / DATA BTH1CS(19) / .0000000000 00003919E0 / DATA BTH1CS(20) / -.0000000000 00001500E0 / DATA BTH1CS(21) / .0000000000 00000589E0 / DATA BTH1CS(22) / -.0000000000 00000237E0 / DATA BTH1CS(23) / .0000000000 00000097E0 / DATA BTH1CS(24) / -.0000000000 00000040E0 / DATA PI4 / 0.7853981633 9744831E0 / DATA NTJ1, NTM1, NTTH1, XSML, XMIN, XMAX / 3*0, 3*0./ C***FIRST EXECUTABLE STATEMENT BESJ1 IF (NTJ1.NE.0) GO TO 10 NTJ1 = INITS (BJ1CS, 12, 0.1*R1MACH(3)) NTM1 = INITS (BM1CS, 21, 0.1*R1MACH(3)) NTTH1 = INITS (BTH1CS, 24, 0.1*R1MACH(3)) C XSML = SQRT (8.0*R1MACH(3)) XMIN = 2.0*R1MACH(1) XMAX = 1.0/R1MACH(4) C 10 Y = ABS(X) IF (Y.GT.4.0) GO TO 20 C BESJ1 = 0. IF (Y.EQ.0.0) RETURN IF (Y.LT.XMIN) CALL XERROR ( 'BESJ1 ABS(X) SO SMALL J1 UNDERFLOW 1S', 37, 1, 1) IF (Y.GT.XMIN) BESJ1 = 0.5*X IF (Y.GT.XSML) BESJ1 = X * (.25 + CSEVL(.125*Y*Y-1., BJ1CS, NTJ1)) RETURN C 20 IF (Y.GT.XMAX) CALL XERROR ( 'BESJ1 NO PRECISION BECAUSE ABS(X) 1 IS BIG', 42, 2, 2) Z = 32.0/Y**2 - 1.0 AMPL = (0.75 + CSEVL (Z, BM1CS, NTM1)) / SQRT(Y) THETA = Y - 3.0*PI4 + CSEVL (Z, BTH1CS, NTTH1) / Y BESJ1 = SIGN (AMPL, X) * COS (THETA) C RETURN END FUNCTION CSEVL(X,CS,N) C***BEGIN PROLOGUE CSEVL C***DATE WRITTEN 770401 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***REVISION HISTORY (YYMMDD) C 000330 Modified array declarations. (JEC) C***CATEGORY NO. C3A2 C***KEYWORDS CHEBYSHEV,FNLIB,SPECIAL FUNCTION C***AUTHOR FULLERTON, W., (LANL) C***PURPOSE Evaluate the N-term Chebyshev series CS at X. C***DESCRIPTION C C Evaluate the N-term Chebyshev series CS at X. Adapted from C R. Broucke, Algorithm 446, C.A.C.M., 16, 254 (1973). Also see Fox C and Parker, Chebyshev Polynomials in Numerical Analysis, Oxford Press, C page 56. C C Input Arguments -- C X value at which the series is to be evaluated. C CS array of N terms of a Chebyshev series. In eval- C uating CS, only half the first coefficient is summed. C N number of terms in array CS. C***REFERENCES (NONE) C***ROUTINES CALLED XERROR C***END PROLOGUE CSEVL C DIMENSION CS(*) C***FIRST EXECUTABLE STATEMENT CSEVL IF(N.LT.1) CALL XERROR( 'CSEVL NUMBER OF TERMS LE 0', 28, 2,2) IF(N.GT.1000) CALL XERROR ( 'CSEVL NUMBER OF TERMS GT 1000', 1 31,3,2) IF (X.LT. -1.0 .OR. X.GT. 1.0) CALL XERROR( 'CSEVL X OUTSIDE (- 11,+1)', 25, 1, 1) C B1=0. B0=0. TWOX=2.*X DO 10 I=1,N B2=B1 B1=B0 NI=N+1-I B0=TWOX*B1-B2+CS(NI) 10 CONTINUE C CSEVL = 0.5 * (B0-B2) C RETURN END FUNCTION INITS(OS,NOS,ETA) C***BEGIN PROLOGUE INITS C***DATE WRITTEN 770401 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. C3A2 C***KEYWORDS INITIALIZE,ORTHOGONAL SERIES,SPECIAL FUNCTION C***AUTHOR FULLERTON, W., (LANL) C***PURPOSE Initializes an orthogonal series so that it defines the C number of terms to carry in the series to meet a specified C error. C***DESCRIPTION C C Initialize the orthogonal series so that INITS is the number of terms C needed to insure the error is no larger than ETA. Ordinarily, ETA C will be chosen to be one-tenth machine precision. C C Input Arguments -- C OS array of NOS coefficients in an orthogonal series. C NOS number of coefficients in OS. C ETA requested accuracy of series. C***REFERENCES (NONE) C***ROUTINES CALLED XERROR C***END PROLOGUE INITS DIMENSION OS(NOS) C***FIRST EXECUTABLE STATEMENT INITS IF (NOS.LT.1) CALL XERROR ( 'INITS NUMBER OF COEFFICIENTS LT 1', 1 35, 2, 2) C ERR = 0. DO 10 II=1,NOS I = NOS + 1 - II ERR = ERR + ABS(OS(I)) IF (ERR.GT.ETA) GO TO 20 10 CONTINUE C 20 IF (I.EQ.NOS) CALL XERROR ( 'INITS ETA MAY BE TOO SMALL', 28, 1 1, 2) INITS = I C RETURN END SUBROUTINE XERROR(MESSG,NMESSG,NERR,LEVEL) C***BEGIN PROLOGUE XERROR C***DATE WRITTEN 790801 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. R3C C***KEYWORDS ERROR,XERROR PACKAGE C***AUTHOR JONES, R. E., (SNLA) C***PURPOSE Processes an error (diagnostic) message. C***DESCRIPTION C Abstract C XERROR processes a diagnostic message, in a manner C determined by the value of LEVEL and the current value C of the library error control flag, KONTRL. C (See subroutine XSETF for details.) C C Description of Parameters C --Input-- C MESSG - the Hollerith message to be processed, containing C no more than 72 characters. C NMESSG- the actual number of characters in MESSG. C NERR - the error number associated with this message. C NERR must not be zero. C LEVEL - error category. C =2 means this is an unconditionally fatal error. C =1 means this is a recoverable error. (I.e., it is C non-fatal if XSETF has been appropriately called.) C =0 means this is a warning message only. C =-1 means this is a warning message which is to be C printed at most once, regardless of how many C times this call is executed. C C Examples C CALL XERROR('SMOOTH -- NUM WAS ZERO.',23,1,2) C CALL XERROR('INTEG -- LESS THAN FULL ACCURACY ACHIEVED.', C 43,2,1) C CALL XERROR('ROOTER -- ACTUAL ZERO OF F FOUND BEFORE INTERVAL F C 1ULLY COLLAPSED.',65,3,0) C CALL XERROR('EXP -- UNDERFLOWS BEING SET TO ZERO.',39,1,-1) C C Latest revision --- 19 MAR 1980 C Written by Ron Jones, with SLATEC Common Math Library Subcommittee C***REFERENCES JONES R.E., KAHANER D.K., "XERROR, THE SLATEC ERROR- C HANDLING PACKAGE", SAND82-0800, SANDIA LABORATORIES, C 1982. C***ROUTINES CALLED XERRWV C***END PROLOGUE XERROR CHARACTER*(*) MESSG C***FIRST EXECUTABLE STATEMENT XERROR CALL XERRWV(MESSG,NMESSG,NERR,LEVEL,0,0,0,0,0.,0.) RETURN END SUBROUTINE XERRWV(MESSG,NMESSG,NERR,LEVEL,NI,I1,I2,NR,R1,R2) C***BEGIN PROLOGUE XERRWV C***DATE WRITTEN 800319 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. R3C C***KEYWORDS ERROR,XERROR PACKAGE C***AUTHOR JONES, R. E., (SNLA) C***PURPOSE Processes error message allowing 2 integer and two real C values to be included in the message. C***DESCRIPTION C Abstract C XERRWV processes a diagnostic message, in a manner C determined by the value of LEVEL and the current value C of the library error control flag, KONTRL. C (See subroutine XSETF for details.) C In addition, up to two integer values and two real C values may be printed along with the message. C C Description of Parameters C --Input-- C MESSG - the Hollerith message to be processed. C NMESSG- the actual number of characters in MESSG. C NERR - the error number associated with this message. C NERR must not be zero. C LEVEL - error category. C =2 means this is an unconditionally fatal error. C =1 means this is a recoverable error. (I.e., it is C non-fatal if XSETF has been appropriately called.) C =0 means this is a warning message only. C =-1 means this is a warning message which is to be C printed at most once, regardless of how many C times this call is executed. C NI - number of integer values to be printed. (0 to 2) C I1 - first integer value. C I2 - second integer value. C NR - number of real values to be printed. (0 to 2) C R1 - first real value. C R2 - second real value. C C Examples C CALL XERRWV('SMOOTH -- NUM (=I1) WAS ZERO.',29,1,2, C 1 1,NUM,0,0,0.,0.) C CALL XERRWV('QUADXY -- REQUESTED ERROR (R1) LESS THAN MINIMUM ( C 1R2).,54,77,1,0,0,0,2,ERRREQ,ERRMIN) C C Latest revision --- 19 MAR 1980 C Written by Ron Jones, with SLATEC Common Math Library Subcommittee C***REFERENCES JONES R.E., KAHANER D.K., "XERROR, THE SLATEC ERROR- C HANDLING PACKAGE", SAND82-0800, SANDIA LABORATORIES, C 1982. C***ROUTINES CALLED FDUMP,I1MACH,J4SAVE,XERABT,XERCTL,XERPRT,XERSAV, C XGETUA C***END PROLOGUE XERRWV CHARACTER*(*) MESSG CHARACTER*20 LFIRST CHARACTER*37 FORM DIMENSION LUN(5) C GET FLAGS C***FIRST EXECUTABLE STATEMENT XERRWV LKNTRL = J4SAVE(2,0,.FALSE.) MAXMES = J4SAVE(4,0,.FALSE.) C CHECK FOR VALID INPUT IF ((NMESSG.GT.0).AND.(NERR.NE.0).AND. 1 (LEVEL.GE.(-1)).AND.(LEVEL.LE.2)) GO TO 10 IF (LKNTRL.GT.0) CALL XERPRT('FATAL ERROR IN...',17) CALL XERPRT('XERROR -- INVALID INPUT',23) IF (LKNTRL.GT.0) CALL FDUMP IF (LKNTRL.GT.0) CALL XERPRT('JOB ABORT DUE TO FATAL ERROR.', 1 29) IF (LKNTRL.GT.0) CALL XERSAV(' ',0,0,0,KDUMMY) CALL XERABT('XERROR -- INVALID INPUT',23) RETURN 10 CONTINUE C RECORD MESSAGE JUNK = J4SAVE(1,NERR,.TRUE.) CALL XERSAV(MESSG,NMESSG,NERR,LEVEL,KOUNT) C LET USER OVERRIDE LFIRST = MESSG LMESSG = NMESSG LERR = NERR LLEVEL = LEVEL CALL XERCTL(LFIRST,LMESSG,LERR,LLEVEL,LKNTRL) C RESET TO ORIGINAL VALUES LMESSG = NMESSG LERR = NERR LLEVEL = LEVEL LKNTRL = MAX0(-2,MIN0(2,LKNTRL)) MKNTRL = IABS(LKNTRL) C DECIDE WHETHER TO PRINT MESSAGE IF ((LLEVEL.LT.2).AND.(LKNTRL.EQ.0)) GO TO 100 IF (((LLEVEL.EQ.(-1)).AND.(KOUNT.GT.MIN0(1,MAXMES))) 1.OR.((LLEVEL.EQ.0) .AND.(KOUNT.GT.MAXMES)) 2.OR.((LLEVEL.EQ.1) .AND.(KOUNT.GT.MAXMES).AND.(MKNTRL.EQ.1)) 3.OR.((LLEVEL.EQ.2) .AND.(KOUNT.GT.MAX0(1,MAXMES)))) GO TO 100 IF (LKNTRL.LE.0) GO TO 20 CALL XERPRT(' ',1) C INTRODUCTION IF (LLEVEL.EQ.(-1)) CALL XERPRT 1('WARNING MESSAGE...THIS MESSAGE WILL ONLY BE PRINTED ONCE.',57) IF (LLEVEL.EQ.0) CALL XERPRT('WARNING IN...',13) IF (LLEVEL.EQ.1) CALL XERPRT 1 ('RECOVERABLE ERROR IN...',23) IF (LLEVEL.EQ.2) CALL XERPRT('FATAL ERROR IN...',17) 20 CONTINUE C MESSAGE CALL XERPRT(MESSG,LMESSG) CALL XGETUA(LUN,NUNIT) ISIZEI = LOG10(FLOAT(I1MACH(9))) + 1.0 ISIZEF = LOG10(FLOAT(I1MACH(10))**I1MACH(11)) + 1.0 DO 50 KUNIT=1,NUNIT IUNIT = LUN(KUNIT) IF (IUNIT.EQ.0) IUNIT = I1MACH(4) DO 22 I=1,MIN(NI,2) WRITE (FORM,21) I,ISIZEI 21 FORMAT ('(11X,21HIN ABOVE MESSAGE, I',I1,'=,I',I2,') ') IF (I.EQ.1) WRITE (IUNIT,FORM) I1 IF (I.EQ.2) WRITE (IUNIT,FORM) I2 22 CONTINUE DO 24 I=1,MIN(NR,2) WRITE (FORM,23) I,ISIZEF+10,ISIZEF 23 FORMAT ('(11X,21HIN ABOVE MESSAGE, R',I1,'=,E', 1 I2,'.',I2,')') IF (I.EQ.1) WRITE (IUNIT,FORM) R1 IF (I.EQ.2) WRITE (IUNIT,FORM) R2 24 CONTINUE IF (LKNTRL.LE.0) GO TO 40 C ERROR NUMBER WRITE (IUNIT,30) LERR 30 FORMAT (15H ERROR NUMBER =,I10) 40 CONTINUE 50 CONTINUE C TRACE-BACK IF (LKNTRL.GT.0) CALL FDUMP 100 CONTINUE IFATAL = 0 IF ((LLEVEL.EQ.2).OR.((LLEVEL.EQ.1).AND.(MKNTRL.EQ.2))) 1IFATAL = 1 C QUIT HERE IF MESSAGE IS NOT FATAL IF (IFATAL.LE.0) RETURN IF ((LKNTRL.LE.0).OR.(KOUNT.GT.MAX0(1,MAXMES))) GO TO 120 C PRINT REASON FOR ABORT IF (LLEVEL.EQ.1) CALL XERPRT 1 ('JOB ABORT DUE TO UNRECOVERED ERROR.',35) IF (LLEVEL.EQ.2) CALL XERPRT 1 ('JOB ABORT DUE TO FATAL ERROR.',29) C PRINT ERROR SUMMARY CALL XERSAV(' ',-1,0,0,KDUMMY) 120 CONTINUE C ABORT IF ((LLEVEL.EQ.2).AND.(KOUNT.GT.MAX0(1,MAXMES))) LMESSG = 0 CALL XERABT(MESSG,LMESSG) RETURN END SUBROUTINE XERSAV(MESSG,NMESSG,NERR,LEVEL,ICOUNT) C***BEGIN PROLOGUE XERSAV C***DATE WRITTEN 800319 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. Z C***KEYWORDS ERROR,XERROR PACKAGE C***AUTHOR JONES, R. E., (SNLA) C***PURPOSE Records that an error occurred. C***DESCRIPTION C Abstract C Record that this error occurred. C C Description of Parameters C --Input-- C MESSG, NMESSG, NERR, LEVEL are as in XERROR, C except that when NMESSG=0 the tables will be C dumped and cleared, and when NMESSG is less than zero the C tables will be dumped and not cleared. C --Output-- C ICOUNT will be the number of times this message has C been seen, or zero if the table has overflowed and C does not contain this message specifically. C When NMESSG=0, ICOUNT will not be altered. C C Written by Ron Jones, with SLATEC Common Math Library Subcommittee C Latest revision --- 19 Mar 1980 C***REFERENCES JONES R.E., KAHANER D.K., "XERROR, THE SLATEC ERROR- C HANDLING PACKAGE", SAND82-0800, SANDIA LABORATORIES, C 1982. C***ROUTINES CALLED I1MACH,S88FMT,XGETUA C***END PROLOGUE XERSAV INTEGER LUN(5) CHARACTER*(*) MESSG CHARACTER*20 MESTAB(10),MES DIMENSION NERTAB(10),LEVTAB(10),KOUNT(10) SAVE MESTAB,NERTAB,LEVTAB,KOUNT,KOUNTX C NEXT TWO DATA STATEMENTS ARE NECESSARY TO PROVIDE A BLANK C ERROR TABLE INITIALLY DATA KOUNT(1),KOUNT(2),KOUNT(3),KOUNT(4),KOUNT(5), 1 KOUNT(6),KOUNT(7),KOUNT(8),KOUNT(9),KOUNT(10) 2 /0,0,0,0,0,0,0,0,0,0/ DATA KOUNTX/0/ C***FIRST EXECUTABLE STATEMENT XERSAV IF (NMESSG.GT.0) GO TO 80 C DUMP THE TABLE IF (KOUNT(1).EQ.0) RETURN C PRINT TO EACH UNIT CALL XGETUA(LUN,NUNIT) DO 60 KUNIT=1,NUNIT IUNIT = LUN(KUNIT) IF (IUNIT.EQ.0) IUNIT = I1MACH(4) C PRINT TABLE HEADER WRITE (IUNIT,10) 10 FORMAT (32H0 ERROR MESSAGE SUMMARY/ 1 51H MESSAGE START NERR LEVEL COUNT) C PRINT BODY OF TABLE DO 20 I=1,10 IF (KOUNT(I).EQ.0) GO TO 30 WRITE (IUNIT,15) MESTAB(I),NERTAB(I),LEVTAB(I),KOUNT(I) 15 FORMAT (1X,A20,3I10) 20 CONTINUE 30 CONTINUE C PRINT NUMBER OF OTHER ERRORS IF (KOUNTX.NE.0) WRITE (IUNIT,40) KOUNTX 40 FORMAT (41H0OTHER ERRORS NOT INDIVIDUALLY TABULATED=,I10) WRITE (IUNIT,50) 50 FORMAT (1X) 60 CONTINUE IF (NMESSG.LT.0) RETURN C CLEAR THE ERROR TABLES DO 70 I=1,10 70 KOUNT(I) = 0 KOUNTX = 0 RETURN 80 CONTINUE C PROCESS A MESSAGE... C SEARCH FOR THIS MESSG, OR ELSE AN EMPTY SLOT FOR THIS MESSG, C OR ELSE DETERMINE THAT THE ERROR TABLE IS FULL. MES = MESSG DO 90 I=1,10 II = I IF (KOUNT(I).EQ.0) GO TO 110 IF (MES.NE.MESTAB(I)) GO TO 90 IF (NERR.NE.NERTAB(I)) GO TO 90 IF (LEVEL.NE.LEVTAB(I)) GO TO 90 GO TO 100 90 CONTINUE C THREE POSSIBLE CASES... C TABLE IS FULL KOUNTX = KOUNTX+1 ICOUNT = 1 RETURN C MESSAGE FOUND IN TABLE 100 KOUNT(II) = KOUNT(II) + 1 ICOUNT = KOUNT(II) RETURN C EMPTY SLOT FOUND FOR NEW MESSAGE 110 MESTAB(II) = MES NERTAB(II) = NERR LEVTAB(II) = LEVEL KOUNT(II) = 1 ICOUNT = 1 RETURN END SUBROUTINE XGETUA(IUNITA,N) C***BEGIN PROLOGUE XGETUA C***DATE WRITTEN 790801 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. R3C C***KEYWORDS ERROR,XERROR PACKAGE C***AUTHOR JONES, R. E., (SNLA) C***PURPOSE Returns unit number(s) to which error messages are being C sent. C***DESCRIPTION C Abstract C XGETUA may be called to determine the unit number or numbers C to which error messages are being sent. C These unit numbers may have been set by a call to XSETUN, C or a call to XSETUA, or may be a default value. C C Description of Parameters C --Output-- C IUNIT - an array of one to five unit numbers, depending C on the value of N. A value of zero refers to the C default unit, as defined by the I1MACH machine C constant routine. Only IUNIT(1),...,IUNIT(N) are C defined by XGETUA. The values of IUNIT(N+1),..., C IUNIT(5) are not defined (for N .LT. 5) or altered C in any way by XGETUA. C N - the number of units to which copies of the C error messages are being sent. N will be in the C range from 1 to 5. C C Latest revision --- 19 MAR 1980 C Written by Ron Jones, with SLATEC Common Math Library Subcommittee C***REFERENCES JONES R.E., KAHANER D.K., "XERROR, THE SLATEC ERROR- C HANDLING PACKAGE", SAND82-0800, SANDIA LABORATORIES, C 1982. C***ROUTINES CALLED J4SAVE C***END PROLOGUE XGETUA DIMENSION IUNITA(5) C***FIRST EXECUTABLE STATEMENT XGETUA N = J4SAVE(5,0,.FALSE.) DO 30 I=1,N INDEX = I+4 IF (I.EQ.1) INDEX = 3 IUNITA(I) = J4SAVE(INDEX,0,.FALSE.) 30 CONTINUE RETURN END INTEGER FUNCTION I1MACH(I) C***BEGIN PROLOGUE I1MACH C***DATE WRITTEN 750101 (YYMMDD) C***REVISION DATE 840405 (YYMMDD) C***CATEGORY NO. R1 C***KEYWORDS MACHINE CONSTANTS C***AUTHOR FOX, P. A., (BELL LABS) C HALL, A. D., (BELL LABS) C SCHRYER, N. L., (BELL LABS) C***PURPOSE Returns integer machine dependent constants C***DESCRIPTION C C This is the CMLIB version of I1MACH, the integer machine C constants subroutine originally developed for the PORT library. C C I1MACH can be used to obtain machine-dependent parameters C for the local machine environment. It is a function C subroutine with one (input) argument, and can be called C as follows, for example C C K = I1MACH(I) C C where I=1,...,16. The (output) value of K above is C determined by the (input) value of I. The results for C various values of I are discussed below. C C I/O unit numbers. C I1MACH( 1) = the standard input unit. C I1MACH( 2) = the standard output unit. C I1MACH( 3) = the standard punch unit. C I1MACH( 4) = the standard error message unit. C C Words. C I1MACH( 5) = the number of bits per integer storage unit. C I1MACH( 6) = the number of characters per integer storage unit. C C Integers. C assume integers are represented in the S-digit, base-A form C C sign ( X(S-1)*A**(S-1) + ... + X(1)*A + X(0) ) C C where 0 .LE. X(I) .LT. A for I=0,...,S-1. C I1MACH( 7) = A, the base. C I1MACH( 8) = S, the number of base-A digits. C I1MACH( 9) = A**S - 1, the largest magnitude. C C Floating-Point Numbers. C Assume floating-point numbers are represented in the T-digit, C base-B form C sign (B**E)*( (X(1)/B) + ... + (X(T)/B**T) ) C C where 0 .LE. X(I) .LT. B for I=1,...,T, C 0 .LT. X(1), and EMIN .LE. E .LE. EMAX. C I1MACH(10) = B, the base. C C Single-Precision C I1MACH(11) = T, the number of base-B digits. C I1MACH(12) = EMIN, the smallest exponent E. C I1MACH(13) = EMAX, the largest exponent E. C C Double-Precision C I1MACH(14) = T, the number of base-B digits. C I1MACH(15) = EMIN, the smallest exponent E. C I1MACH(16) = EMAX, the largest exponent E. C C To alter this function for a particular environment, C the desired set of DATA statements should be activated by C removing the C from column 1. Also, the values of C I1MACH(1) - I1MACH(4) should be checked for consistency C with the local operating system. C***REFERENCES FOX P.A., HALL A.D., SCHRYER N.L.,*FRAMEWORK FOR A C PORTABLE LIBRARY*, ACM TRANSACTIONS ON MATHEMATICAL C SOFTWARE, VOL. 4, NO. 2, JUNE 1978, PP. 177-188. C***ROUTINES CALLED (NONE) C***END PROLOGUE I1MACH C INTEGER IMACH(16),OUTPUT EQUIVALENCE (IMACH(4),OUTPUT) C C MACHINE CONSTANTS FOR IEEE ARITHMETIC MACHINES, SUCH AS THE AT&T C 3B SERIES, MOTOROLA 68000 BASED MACHINES (E.G. SUN 3 AND AT&T C PC 7300), SUN SPARCSTATIONS, SILICON GRAPHCS WORKSTATIONS, HP C 9000 WORKSTATIONS, IBM RS/6000 WORKSTATIONS, AND 8087 BASED C MICROS (E.G. IBM PC AND AT&T 6300). C C === MACHINE = ATT.3B C === MACHINE = ATT.6300 C === MACHINE = ATT.7300 C === MACHINE = HP.9000 C === MACHINE = IBM.PC C === MACHINE = IBM.RS6000 C === MACHINE = IEEE.MOST-SIG-BYTE-FIRST C === MACHINE = IEEE.LEAST-SIG-BYTE-FIRST C === MACHINE = SGI C === MACHINE = SUN C === MACHINE = 68000 C === MACHINE = 8087 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 24 / C DATA IMACH(12) / -125 / C DATA IMACH(13) / 128 / C DATA IMACH(14) / 53 / C DATA IMACH(15) / -1021 / C DATA IMACH(16) / 1024 / C C MACHINE CONSTANTS FOR SUN WORKSTATIONS. f77 WITH -r8 OPTION. C C === MACHINE = SUN.F77-WITH-R8-OPTION C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 6 / C DATA IMACH( 4) / 0 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 53 / C DATA IMACH(12) / -1021 / C DATA IMACH(13) / 1024 / C DATA IMACH(14) / 113 / C DATA IMACH(15) / -16382 / C DATA IMACH(16) / 16384 / C C MACHINE CONSTANTS FOR SGI Origin 2000 with -r8 -d16 options. C C === MACHINE = SGI.ORIGIN.F77-WITH-R8-D16-OPTIONS C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 6 / C DATA IMACH( 4) / 0 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 53 / C DATA IMACH(12) / -1022 / C DATA IMACH(13) / 1024 / C DATA IMACH(14) / 107 / C DATA IMACH(15) / -916 / C DATA IMACH(16) / 1025 / C C MACHINE CONSTANTS FOR IBM RS/6000 WORKSTATIONS WITH -qautodbl=dblpad. C C === MACHINE = IBM.RS6000.XLF-WITH-AUTODBL-OPTION C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 6 / C DATA IMACH( 4) / 0 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 53 / C DATA IMACH(12) / -1021 / C DATA IMACH(13) / 1024 / C DATA IMACH(14) / 114 / C DATA IMACH(15) / -1021 / C DATA IMACH(16) / 1024 / C C MACHINE CONSTANTS FOR AMDAHL MACHINES. C C === MACHINE = AMDAHL C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 16 / C DATA IMACH(11) / 6 / C DATA IMACH(12) / -64 / C DATA IMACH(13) / 63 / C DATA IMACH(14) / 14 / C DATA IMACH(15) / -64 / C DATA IMACH(16) / 63 / C C MACHINE CONSTANTS FOR THE BURROUGHS 1700 SYSTEM. C C === MACHINE = BURROUGHS.1700 C DATA IMACH( 1) / 7 / C DATA IMACH( 2) / 2 / C DATA IMACH( 3) / 2 / C DATA IMACH( 4) / 2 / C DATA IMACH( 5) / 36 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 33 / C DATA IMACH( 9) / Z1FFFFFFFF / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 24 / C DATA IMACH(12) / -256 / C DATA IMACH(13) / 255 / C DATA IMACH(14) / 60 / C DATA IMACH(15) / -256 / C DATA IMACH(16) / 255 / C C MACHINE CONSTANTS FOR THE BURROUGHS 5700 SYSTEM. C C === MACHINE = BURROUGHS.5700 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 48 / C DATA IMACH( 6) / 6 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 39 / C DATA IMACH( 9) / O0007777777777777 / C DATA IMACH(10) / 8 / C DATA IMACH(11) / 13 / C DATA IMACH(12) / -50 / C DATA IMACH(13) / 76 / C DATA IMACH(14) / 26 / C DATA IMACH(15) / -50 / C DATA IMACH(16) / 76 / C C MACHINE CONSTANTS FOR THE BURROUGHS 6700/7700 SYSTEMS. C C === MACHINE = BURROUGHS.6700 C === MACHINE = BURROUGHS.7700 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 48 / C DATA IMACH( 6) / 6 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 39 / C DATA IMACH( 9) / O0007777777777777 / C DATA IMACH(10) / 8 / C DATA IMACH(11) / 13 / C DATA IMACH(12) / -50 / C DATA IMACH(13) / 76 / C DATA IMACH(14) / 26 / C DATA IMACH(15) / -32754 / C DATA IMACH(16) / 32780 / C C MACHINE CONSTANTS FOR THE CONVEX C1, C2, C3 SERIES C C === MACHINE = CONVEX C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 0 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 24 / C DATA IMACH(12) / -127 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 53 / C DATA IMACH(15) / -1023 / C DATA IMACH(16) / 1023 / C C MACHINE CONSTANTS FOR THE CONVEX C1, C2, C3 SERIES (NATIVE MODE) C WITH -P8 OPTION C C === MACHINE = CONVEX.P8 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 0 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 64 / C DATA IMACH( 6) / 8 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 63 / C DATA IMACH( 9) / 9223372036854775807 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 53 / C DATA IMACH(12) / -1023 / C DATA IMACH(13) / 1023 / C DATA IMACH(14) / 112 / C DATA IMACH(15) / -16383 / C DATA IMACH(16) / 16383 / C C MACHINE CONSTANTS FOR THE CONVEX C1, C2, C3 SERIES (IEEE MODE) C C === MACHINE = CONVEX.IEEE C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 0 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 24 / C DATA IMACH(12) / -125 / C DATA IMACH(13) / 128 / C DATA IMACH(14) / 53 / C DATA IMACH(15) / -1021 / C DATA IMACH(16) / 1024 / C C MACHINE CONSTANTS FOR THE CONVEX C1, C2, C3 SERIES(IEEE MODE) C WITH -P8 OPTION C C === MACHINE = CONVEX.IEEE.P8 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 0 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 53 / C DATA IMACH(12) / -1021 / C DATA IMACH(13) / 1024 / C DATA IMACH(14) / 53 / C DATA IMACH(15) / -1021 / C DATA IMACH(16) / 1024 / C C MACHINE CONSTANTS FOR THE CYBER 170/180 SERIES USING NOS (FTN5). C C === MACHINE = CYBER.170.NOS C === MACHINE = CYBER.180.NOS C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 60 / C DATA IMACH( 6) / 10 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 48 / C DATA IMACH( 9) / O"00007777777777777777" / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 48 / C DATA IMACH(12) / -974 / C DATA IMACH(13) / 1070 / C DATA IMACH(14) / 96 / C DATA IMACH(15) / -927 / C DATA IMACH(16) / 1070 / C C MACHINE CONSTANTS FOR THE CDC 180 SERIES USING NOS/VE C C === MACHINE = CYBER.180.NOS/VE C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 64 / C DATA IMACH( 6) / 8 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 63 / C DATA IMACH( 9) / 9223372036854775807 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 47 / C DATA IMACH(12) / -4095 / C DATA IMACH(13) / 4094 / C DATA IMACH(14) / 94 / C DATA IMACH(15) / -4095 / C DATA IMACH(16) / 4094 / C C MACHINE CONSTANTS FOR THE CYBER 205 C C === MACHINE = CYBER.205 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 64 / C DATA IMACH( 6) / 8 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 47 / C DATA IMACH( 9) / X'00007FFFFFFFFFFF' / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 47 / C DATA IMACH(12) / -28625 / C DATA IMACH(13) / 28718 / C DATA IMACH(14) / 94 / C DATA IMACH(15) / -28625 / C DATA IMACH(16) / 28718 / C C MACHINE CONSTANTS FOR THE CDC 6000/7000 SERIES. C C === MACHINE = CDC.6000 C === MACHINE = CDC.7000 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 60 / C DATA IMACH( 6) / 10 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 48 / C DATA IMACH( 9) / 00007777777777777777B / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 48 / C DATA IMACH(12) / -974 / C DATA IMACH(13) / 1070 / C DATA IMACH(14) / 96 / C DATA IMACH(15) / -927 / C DATA IMACH(16) / 1070 / C C MACHINE CONSTANTS FOR THE CRAY 1, XMP, 2, AND 3. C USING THE 46 BIT INTEGER COMPILER OPTION C C === MACHINE = CRAY.46-BIT-INTEGER C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 102 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 64 / C DATA IMACH( 6) / 8 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 46 / C DATA IMACH( 9) / 777777777777777777777B / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 47 / C DATA IMACH(12) / -8189 / C DATA IMACH(13) / 8190 / C DATA IMACH(14) / 94 / C DATA IMACH(15) / -8099 / C DATA IMACH(16) / 8190 / C C MACHINE CONSTANTS FOR THE CRAY 1, XMP, 2, AND 3. C USING THE 64 BIT INTEGER COMPILER OPTION C C === MACHINE = CRAY.64-BIT-INTEGER C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 102 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 64 / C DATA IMACH( 6) / 8 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 63 / C DATA IMACH( 9) / 777777777777777777777B / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 47 / C DATA IMACH(12) / -8189 / C DATA IMACH(13) / 8190 / C DATA IMACH(14) / 94 / C DATA IMACH(15) / -8099 / C DATA IMACH(16) / 8190 /C C MACHINE CONSTANTS FOR THE DATA GENERAL ECLIPSE S/200 C C === MACHINE = DATA_GENERAL.ECLIPSE.S/200 C DATA IMACH( 1) / 11 / C DATA IMACH( 2) / 12 / C DATA IMACH( 3) / 8 / C DATA IMACH( 4) / 10 / C DATA IMACH( 5) / 16 / C DATA IMACH( 6) / 2 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 15 / C DATA IMACH( 9) /32767 / C DATA IMACH(10) / 16 / C DATA IMACH(11) / 6 / C DATA IMACH(12) / -64 / C DATA IMACH(13) / 63 / C DATA IMACH(14) / 14 / C DATA IMACH(15) / -64 / C DATA IMACH(16) / 63 / C C ELXSI 6400 C C === MACHINE = ELSXI.6400 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 6 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 32 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 24 / C DATA IMACH(12) / -126 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 53 / C DATA IMACH(15) / -1022 / C DATA IMACH(16) / 1023 / C C MACHINE CONSTANTS FOR THE HARRIS 220 C MACHINE CONSTANTS FOR THE HARRIS SLASH 6 AND SLASH 7 C C === MACHINE = HARRIS.220 C === MACHINE = HARRIS.SLASH6 C === MACHINE = HARRIS.SLASH7 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 0 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 24 / C DATA IMACH( 6) / 3 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 23 / C DATA IMACH( 9) / 8388607 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 23 / C DATA IMACH(12) / -127 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 38 / C DATA IMACH(15) / -127 / C DATA IMACH(16) / 127 / C C MACHINE CONSTANTS FOR THE HONEYWELL 600/6000 SERIES. C MACHINE CONSTANTS FOR THE HONEYWELL DPS 8/70 SERIES. C C === MACHINE = HONEYWELL.600/6000 C === MACHINE = HONEYWELL.DPS.8/70 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 43 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 36 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 35 / C DATA IMACH( 9) / O377777777777 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 27 / C DATA IMACH(12) / -127 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 63 / C DATA IMACH(15) / -127 / C DATA IMACH(16) / 127 / C C MACHINE CONSTANTS FOR THE HP 2100 C 3 WORD DOUBLE PRECISION OPTION WITH FTN4 C C === MACHINE = HP.2100.3_WORD_DP C DATA IMACH(1) / 5/ C DATA IMACH(2) / 6 / C DATA IMACH(3) / 4 / C DATA IMACH(4) / 1 / C DATA IMACH(5) / 16 / C DATA IMACH(6) / 2 / C DATA IMACH(7) / 2 / C DATA IMACH(8) / 15 / C DATA IMACH(9) / 32767 / C DATA IMACH(10)/ 2 / C DATA IMACH(11)/ 23 / C DATA IMACH(12)/ -128 / C DATA IMACH(13)/ 127 / C DATA IMACH(14)/ 39 / C DATA IMACH(15)/ -128 / C DATA IMACH(16)/ 127 / C C MACHINE CONSTANTS FOR THE HP 2100 C 4 WORD DOUBLE PRECISION OPTION WITH FTN4 C C === MACHINE = HP.2100.4_WORD_DP C DATA IMACH(1) / 5 / C DATA IMACH(2) / 6 / C DATA IMACH(3) / 4 / C DATA IMACH(4) / 1 / C DATA IMACH(5) / 16 / C DATA IMACH(6) / 2 / C DATA IMACH(7) / 2 / C DATA IMACH(8) / 15 / C DATA IMACH(9) / 32767 / C DATA IMACH(10)/ 2 / C DATA IMACH(11)/ 23 / C DATA IMACH(12)/ -128 / C DATA IMACH(13)/ 127 / C DATA IMACH(14)/ 55 / C DATA IMACH(15)/ -128 / C DATA IMACH(16)/ 127 / C C MACHINE CONSTANTS FOR THE IBM 360/370 SERIES, C THE XEROX SIGMA 5/7/9 AND THE SEL SYSTEMS 85/86 AND C THE INTERDATA 3230 AND INTERDATA 7/32. C C === MACHINE = IBM.360 C === MACHINE = IBM.370 C === MACHINE = XEROX.SIGMA.5 C === MACHINE = XEROX.SIGMA.7 C === MACHINE = XEROX.SIGMA.9 C === MACHINE = SEL.85 C === MACHINE = SEL.86 C === MACHINE = INTERDATA.3230 C === MACHINE = INTERDATA.7/32 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / Z7FFFFFFF / C DATA IMACH(10) / 16 / C DATA IMACH(11) / 6 / C DATA IMACH(12) / -64 / C DATA IMACH(13) / 63 / C DATA IMACH(14) / 14 / C DATA IMACH(15) / -64 / C DATA IMACH(16) / 63 / C C MACHINE CONSTANTS FOR THE INTERDATA 8/32 C WITH THE UNIX SYSTEM FORTRAN 77 COMPILER. C C FOR THE INTERDATA FORTRAN VII COMPILER REPLACE C THE Z'S SPECIFYING HEX CONSTANTS WITH Y'S. C C === MACHINE = INTERDATA.8/32.UNIX C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 6 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / Z'7FFFFFFF' / C DATA IMACH(10) / 16 / C DATA IMACH(11) / 6 / C DATA IMACH(12) / -64 / C DATA IMACH(13) / 62 / C DATA IMACH(14) / 14 / C DATA IMACH(15) / -64 / C DATA IMACH(16) / 62 / C C MACHINE CONSTANTS FOR THE PDP-10 (KA PROCESSOR). C C === MACHINE = PDP-10.KA C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 36 / C DATA IMACH( 6) / 5 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 35 / C DATA IMACH( 9) / "377777777777 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 27 / C DATA IMACH(12) / -128 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 54 / C DATA IMACH(15) / -101 / C DATA IMACH(16) / 127 / C C MACHINE CONSTANTS FOR THE PDP-10 (KI PROCESSOR). C C === MACHINE = PDP-10.KI C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 36 / C DATA IMACH( 6) / 5 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 35 / C DATA IMACH( 9) / "377777777777 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 27 / C DATA IMACH(12) / -128 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 62 / C DATA IMACH(15) / -128 / C DATA IMACH(16) / 127 / C C MACHINE CONSTANTS FOR PDP-11 FORTRANS SUPPORTING C 32-BIT INTEGER ARITHMETIC. C C === MACHINE = PDP-11.32-BIT C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 24 / C DATA IMACH(12) / -127 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 56 / C DATA IMACH(15) / -127 / C DATA IMACH(16) / 127 / C C MACHINE CONSTANTS FOR PDP-11 FORTRANS SUPPORTING C 16-BIT INTEGER ARITHMETIC. C C === MACHINE = PDP-11.16-BIT C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 16 / C DATA IMACH( 6) / 2 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 15 / C DATA IMACH( 9) / 32767 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 24 / C DATA IMACH(12) / -127 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 56 / C DATA IMACH(15) / -127 / C DATA IMACH(16) / 127 / C C MACHINE CONSTANTS FOR THE SEQUENT BALANCE 8000. C C === MACHINE = SEQUENT.BALANCE.8000 C DATA IMACH( 1) / 0 / C DATA IMACH( 2) / 0 / C DATA IMACH( 3) / 7 / C DATA IMACH( 4) / 0 / C DATA IMACH( 5) / 32 / C DATA IMACH( 6) / 1 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 31 / C DATA IMACH( 9) / 2147483647 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 24 / C DATA IMACH(12) / -125 / C DATA IMACH(13) / 128 / C DATA IMACH(14) / 53 / C DATA IMACH(15) / -1021 / C DATA IMACH(16) / 1024 / C C MACHINE CONSTANTS FOR THE UNIVAC 1100 SERIES. FTN COMPILER C C === MACHINE = UNIVAC.1100 C DATA IMACH( 1) / 5 / C DATA IMACH( 2) / 6 / C DATA IMACH( 3) / 1 / C DATA IMACH( 4) / 6 / C DATA IMACH( 5) / 36 / C DATA IMACH( 6) / 4 / C DATA IMACH( 7) / 2 / C DATA IMACH( 8) / 35 / C DATA IMACH( 9) / O377777777777 / C DATA IMACH(10) / 2 / C DATA IMACH(11) / 27 / C DATA IMACH(12) / -128 / C DATA IMACH(13) / 127 / C DATA IMACH(14) / 60 / C DATA IMACH(15) /-1024 / C DATA IMACH(16) / 1023 / C C MACHINE CONSTANTS FOR THE VAX 11/780 C C === MACHINE = VAX.11/780 C DATA IMACH(1) / 5 / C DATA IMACH(2) / 6 / C DATA IMACH(3) / 5 / C DATA IMACH(4) / 6 / C DATA IMACH(5) / 32 / C DATA IMACH(6) / 4 / C DATA IMACH(7) / 2 / C DATA IMACH(8) / 31 / C DATA IMACH(9) /2147483647 / C DATA IMACH(10)/ 2 / C DATA IMACH(11)/ 24 / C DATA IMACH(12)/ -127 / C DATA IMACH(13)/ 127 / C DATA IMACH(14)/ 56 / C DATA IMACH(15)/ -127 / C DATA IMACH(16)/ 127 / C C C***FIRST EXECUTABLE STATEMENT I1MACH C I1MACH=IMACH(I) RETURN C END REAL FUNCTION R1MACH(I) C***BEGIN PROLOGUE R1MACH C***DATE WRITTEN 790101 (YYMMDD) C***REVISION DATE 860825 (YYMMDD) C***CATEGORY NO. R1 C***KEYWORDS MACHINE CONSTANTS C***AUTHOR FOX, P. A., (BELL LABS) C HALL, A. D., (BELL LABS) C SCHRYER, N. L., (BELL LABS) C***PURPOSE Returns single precision machine dependent constants C***DESCRIPTION C C This is the CMLIB version of R1MACH, the real machine C constants subroutine originally developed for the PORT library. C C R1MACH can be used to obtain machine-dependent parameters C for the local machine environment. It is a function C subroutine with one (input) argument, and can be called C as follows, for example C C A = R1MACH(I) C C where I=1,...,5. The (output) value of A above is C determined by the (input) value of I. The results for C various values of I are discussed below. C C Single-Precision Machine Constants C R1MACH(1) = B**(EMIN-1), the smallest positive magnitude. C R1MACH(2) = B**EMAX*(1 - B**(-T)), the largest magnitude. C R1MACH(3) = B**(-T), the smallest relative spacing. C R1MACH(4) = B**(1-T), the largest relative spacing. C R1MACH(5) = LOG10(B) C***REFERENCES FOX, P.A., HALL, A.D., SCHRYER, N.L, *FRAMEWORK FOR C A PORTABLE LIBRARY*, ACM TRANSACTIONS ON MATHE- C MATICAL SOFTWARE, VOL. 4, NO. 2, JUNE 1978, C PP. 177-188. C***ROUTINES CALLED XERROR C***END PROLOGUE R1MACH C INTEGER SMALL(2) INTEGER LARGE(2) INTEGER RIGHT(2) INTEGER DIVER(2) INTEGER LOG10(2) C REAL RMACH(5) C EQUIVALENCE (RMACH(1),SMALL(1)) EQUIVALENCE (RMACH(2),LARGE(1)) EQUIVALENCE (RMACH(3),RIGHT(1)) EQUIVALENCE (RMACH(4),DIVER(1)) EQUIVALENCE (RMACH(5),LOG10(1)) C C C MACHINE CONSTANTS FOR IEEE ARITHMETIC MACHINES, SUCH AS THE AT&T C 3B SERIES, MOTOROLA 68000 BASED MACHINES (E.G. SUN 3 AND AT&T C PC 7300), SUN SPARCSTATIONS, SILICON GRAPHCS WORKSTATIONS, HP C 9000 WORKSTATIONS, IBM RS/6000 WORKSTATIONS, AND 8087 BASED C MICROS (E.G. IBM PC AND AT&T 6300). C C === MACHINE = ATT.3B C === MACHINE = ATT.6300 C === MACHINE = ATT.7300 C === MACHINE = HP.9000 C === MACHINE = IBM.PC C === MACHINE = IBM.RS6000 C === MACHINE = IEEE.MOST-SIG-BYTE-FIRST C === MACHINE = IEEE.LEAST-SIG-BYTE-FIRST C === MACHINE = SGI C === MACHINE = SUN C === MACHINE = 68000 C === MACHINE = 8087 C DATA SMALL(1) / 8388608 / C DATA LARGE(1) / 2139095039 / C DATA RIGHT(1) / 864026624 / C DATA DIVER(1) / 872415232 / C DATA LOG10(1) / 1050288283 / C C MACHINE CONSTANTS FOR SUN WORKSTATIONS. f77 WITH -r8 OPTION. C MACHINE CONSTANTS FOR IBM RS/6000 WORKSTATIONS WITH -qautodbl=dblpad. C C === MACHINE = IBM.RS6000.XLF-WITH-AUTODBL-OPTION C === MACHINE = SUN.F77-WITH-R8-OPTION C === MACHINE = SGI.ORIGIN.F77-WITH-R8-D16-OPTIONS C DATA RMACH(1) / 2.2250738585072E-307 / C DATA RMACH(2) / 1.7976931348623E308 / C DATA RMACH(3) / 1.1102230246252E-16 / C DATA RMACH(4) / 2.2204460492503E-16 / C DATA RMACH(5) / 0.30102999566398 / C C MACHINE CONSTANTS FOR AMDAHL MACHINES. C C === MACHINE = AMDAHL C DATA SMALL(1) / 1048576 / C DATA LARGE(1) / 2147483647 / C DATA RIGHT(1) / 990904320 / C DATA DIVER(1) / 1007681536 / C DATA LOG10(1) / 1091781651 / C C MACHINE CONSTANTS FOR THE BURROUGHS 1700 SYSTEM. C C === MACHINE = BURROUGHS.1700 C DATA RMACH(1) / Z400800000 / C DATA RMACH(2) / Z5FFFFFFFF / C DATA RMACH(3) / Z4E9800000 / C DATA RMACH(4) / Z4EA800000 / C DATA RMACH(5) / Z500E730E8 / C C MACHINE CONSTANTS FOR THE BURROUGHS 5700/6700/7700 SYSTEMS. C C === MACHINE = BURROUGHS.5700 C === MACHINE = BURROUGHS.6700 C === MACHINE = BURROUGHS.7700 C DATA RMACH(1) / O1771000000000000 / C DATA RMACH(2) / O0777777777777777 / C DATA RMACH(3) / O1311000000000000 / C DATA RMACH(4) / O1301000000000000 / C DATA RMACH(5) / O1157163034761675 / C C MACHINE CONSTANTS FOR THE CONVEX C1, C2, C3 SERIES (NATIVE MODE) C C === MACHINE = CONVEX C DATA RMACH(1) / 2.9387360E-39 / C DATA RMACH(2) / 1.7014117E+38 / C DATA RMACH(3) / 5.9604645E-08 / C DATA RMACH(4) / 1.1920929E-07 / C DATA RMACH(5) / 3.0102999E-01 / C C MACHINE CONSTANTS FOR THE CONVEX C1, C2, C3 (NATIVE MODE) C WITH -P8 OPTION C C === MACHINE = CONVEX.P8 C DATA RMACH(1) / 5.562684646268007E-309 / C DATA RMACH(2) / 8.988465674311577E+307 / C DATA RMACH(3) / 1.110223024625157E-016 / C DATA RMACH(4) / 2.220446049250313E-016 / C DATA RMACH(5) / 3.010299956639812E-001 / C C MACHINE CONSTANTS FOR THE CONVEX C1, C2, C3 (IEEE MODE) C C === MACHINE = CONVEX.IEEE C DATA RMACH(1) / 1.1754945E-38 / C DATA RMACH(2) / 3.4028234E+38 / C DATA RMACH(3) / 5.9604645E-08 / C DATA RMACH(4) / 1.1920929E-07 / C DATA RMACH(5) / 3.0102999E-01 / C C MACHINE CONSTANTS FOR THE CONVEX C1, C2, C3 (IEEE MODE) C WITH -P8 OPTION C C === MACHINE = CONVEX.IEEE.P8 C DATA RMACH(1) / 2.225073858507202E-308 / C DATA RMACH(2) / 1.797693134862315E+308 / C DATA RMACH(3) / 1.110223024625157E-016 / C DATA RMACH(4) / 2.220446049250313E-016 / C DATA RMACH(5) / 3.010299956639812E-001 / C C MACHINE CONSTANTS FOR THE CYBER 170/180 SERIES USING NOS (FTN5). C C === MACHINE = CYBER.170.NOS C === MACHINE = CYBER.180.NOS C DATA RMACH(1) / O"00014000000000000000" / C DATA RMACH(2) / O"37767777777777777777" / C DATA RMACH(3) / O"16404000000000000000" / C DATA RMACH(4) / O"16414000000000000000" / C DATA RMACH(5) / O"17164642023241175720" / C C MACHINE CONSTANTS FOR THE CDC 180 SERIES USING NOS/VE C C === MACHINE = CYBER.180.NOS/VE C DATA RMACH(1) / Z"3001800000000000" / C DATA RMACH(2) / Z"4FFEFFFFFFFFFFFE" / C DATA RMACH(3) / Z"3FD2800000000000" / C DATA RMACH(4) / Z"3FD3800000000000" / C DATA RMACH(5) / Z"3FFF9A209A84FBCF" / C C MACHINE CONSTANTS FOR THE CYBER 205 C C === MACHINE = CYBER.205 C DATA RMACH(1) / X'9000400000000000' / C DATA RMACH(2) / X'6FFF7FFFFFFFFFFF' / C DATA RMACH(3) / X'FFA3400000000000' / C DATA RMACH(4) / X'FFA4400000000000' / C DATA RMACH(5) / X'FFD04D104D427DE8' / C C MACHINE CONSTANTS FOR THE CDC 6000/7000 SERIES. C C === MACHINE = CDC.6000 C === MACHINE = CDC.7000 C DATA RMACH(1) / 00014000000000000000B / C DATA RMACH(2) / 37767777777777777777B / C DATA RMACH(3) / 16404000000000000000B / C DATA RMACH(4) / 16414000000000000000B / C DATA RMACH(5) / 17164642023241175720B / C C MACHINE CONSTANTS FOR THE CRAY 1, XMP, 2, AND 3. C C === MACHINE = CRAY.46-BIT-INTEGER C === MACHINE = CRAY.64-BIT-INTEGER C DATA RMACH(1) / 200034000000000000000B / C DATA RMACH(2) / 577767777777777777776B / C DATA RMACH(3) / 377224000000000000000B / C DATA RMACH(4) / 377234000000000000000B / C DATA RMACH(5) / 377774642023241175720B / C C MACHINE CONSTANTS FOR THE DATA GENERAL ECLIPSE S/200 C C NOTE - IT MAY BE APPROPRIATE TO INCLUDE THE FOLLOWING LINE - C STATIC RMACH(5) C C === MACHINE = DATA_GENERAL.ECLIPSE.S/200 C DATA SMALL/20K,0/,LARGE/77777K,177777K/ C DATA RIGHT/35420K,0/,DIVER/36020K,0/ C DATA LOG10/40423K,42023K/ C C ELXSI 6400 C C === MACHINE = ELSXI.6400 C DATA SMALL(1) / '00800000'X / C DATA LARGE(1) / '7F7FFFFF'X / C DATA RIGHT(1) / '33800000'X / C DATA DIVER(1) / '34000000'X / C DATA LOG10(1) / '3E9A209B'X / C C MACHINE CONSTANTS FOR THE HARRIS 220 C MACHINE CONSTANTS FOR THE HARRIS SLASH 6 AND SLASH 7 C C === MACHINE = HARRIS.220 C === MACHINE = HARRIS.SLASH6 C === MACHINE = HARRIS.SLASH7 C DATA SMALL(1),SMALL(2) / '20000000, '00000201 / C DATA LARGE(1),LARGE(2) / '37777777, '00000177 / C DATA RIGHT(1),RIGHT(2) / '20000000, '00000352 / C DATA DIVER(1),DIVER(2) / '20000000, '00000353 / C DATA LOG10(1),LOG10(2) / '23210115, '00000377 / C C MACHINE CONSTANTS FOR THE HONEYWELL 600/6000 SERIES. C MACHINE CONSTANTS FOR THE HONEYWELL DPS 8/70 SERIES. C C === MACHINE = HONEYWELL.600/6000 C === MACHINE = HONEYWELL.DPS.8/70 C DATA RMACH(1) / O402400000000 / C DATA RMACH(2) / O376777777777 / C DATA RMACH(3) / O714400000000 / C DATA RMACH(4) / O716400000000 / C DATA RMACH(5) / O776464202324 / C C MACHINE CONSTANTS FOR THE HP 2100 C 3 WORD DOUBLE PRECISION WITH FTN4 C C === MACHINE = HP.2100.3_WORD_DP C DATA SMALL(1), SMALL(2) / 40000B, 1 / C DATA LARGE(1), LARGE(2) / 77777B, 177776B / C DATA RIGHT(1), RIGHT(2) / 40000B, 325B / C DATA DIVER(1), DIVER(2) / 40000B, 327B / C DATA LOG10(1), LOG10(2) / 46420B, 46777B / C C MACHINE CONSTANTS FOR THE HP 2100 C 4 WORD DOUBLE PRECISION WITH FTN4 C C === MACHINE = HP.2100.4_WORD_DP C DATA SMALL(1), SMALL(2) / 40000B, 1 / C DATA LARGE91), LARGE(2) / 77777B, 177776B / C DATA RIGHT(1), RIGHT(2) / 40000B, 325B / C DATA DIVER(1), DIVER(2) / 40000B, 327B / C DATA LOG10(1), LOG10(2) / 46420B, 46777B / C C MACHINE CONSTANTS FOR THE IBM 360/370 SERIES, C THE XEROX SIGMA 5/7/9, THE SEL SYSTEMS 85/86 AND C THE INTERDATA 3230 AND INTERDATA 7/32. C C === MACHINE = IBM.360 C === MACHINE = IBM.370 C === MACHINE = XEROX.SIGMA.5 C === MACHINE = XEROX.SIGMA.7 C === MACHINE = XEROX.SIGMA.9 C === MACHINE = SEL.85 C === MACHINE = SEL.86 C === MACHINE = INTERDATA.3230 C === MACHINE = INTERDATA.7/32 C DATA RMACH(1) / Z00100000 / C DATA RMACH(2) / Z7FFFFFFF / C DATA RMACH(3) / Z3B100000 / C DATA RMACH(4) / Z3C100000 / C DATA RMACH(5) / Z41134413 / C C MACHINE CONSTANTS FOR THE INTERDATA 8/32 C WITH THE UNIX SYSTEM FORTRAN 77 COMPILER. C C FOR THE INTERDATA FORTRAN VII COMPILER REPLACE C THE Z'S SPECIFYING HEX CONSTANTS WITH Y'S. C C === MACHINE = INTERDATA.8/32.UNIX C DATA RMACH(1) / Z'00100000' / C DATA RMACH(2) / Z'7EFFFFFF' / C DATA RMACH(3) / Z'3B100000' / C DATA RMACH(4) / Z'3C100000' / C DATA RMACH(5) / Z'41134413' / C C MACHINE CONSTANTS FOR THE PDP-10 (KA OR KI PROCESSOR). C C === MACHINE = PDP-10.KA C === MACHINE = PDP-10.KI C DATA RMACH(1) / "000400000000 / C DATA RMACH(2) / "377777777777 / C DATA RMACH(3) / "146400000000 / C DATA RMACH(4) / "147400000000 / C DATA RMACH(5) / "177464202324 / C C MACHINE CONSTANTS FOR PDP-11 FORTRAN SUPPORTING C 32-BIT INTEGERS (EXPRESSED IN INTEGER AND OCTAL). C C === MACHINE = PDP-11.32-BIT C DATA SMALL(1) / 8388608 / C DATA LARGE(1) / 2147483647 / C DATA RIGHT(1) / 880803840 / C DATA DIVER(1) / 889192448 / C DATA LOG10(1) / 1067065499 / C C DATA RMACH(1) / O00040000000 / C DATA RMACH(2) / O17777777777 / C DATA RMACH(3) / O06440000000 / C DATA RMACH(4) / O06500000000 / C DATA RMACH(5) / O07746420233 / C C MACHINE CONSTANTS FOR PDP-11 FORTRAN SUPPORTING C 16-BIT INTEGERS (EXPRESSED IN INTEGER AND OCTAL). C C === MACHINE = PDP-11.16-BIT C DATA SMALL(1),SMALL(2) / 128, 0 / C DATA LARGE(1),LARGE(2) / 32767, -1 / C DATA RIGHT(1),RIGHT(2) / 13440, 0 / C DATA DIVER(1),DIVER(2) / 13568, 0 / C DATA LOG10(1),LOG10(2) / 16282, 8347 / C C DATA SMALL(1),SMALL(2) / O000200, O000000 / C DATA LARGE(1),LARGE(2) / O077777, O177777 / C DATA RIGHT(1),RIGHT(2) / O032200, O000000 / C DATA DIVER(1),DIVER(2) / O032400, O000000 / C DATA LOG10(1),LOG10(2) / O037632, O020233 / C C MACHINE CONSTANTS FOR THE SEQUENT BALANCE 8000. C C === MACHINE = SEQUENT.BALANCE.8000 C DATA SMALL(1) / $00800000 / C DATA LARGE(1) / $7F7FFFFF / C DATA RIGHT(1) / $33800000 / C DATA DIVER(1) / $34000000 / C DATA LOG10(1) / $3E9A209B / C C MACHINE CONSTANTS FOR THE UNIVAC 1100 SERIES. C C === MACHINE = UNIVAC.1100 C DATA RMACH(1) / O000400000000 / C DATA RMACH(2) / O377777777777 / C DATA RMACH(3) / O146400000000 / C DATA RMACH(4) / O147400000000 / C DATA RMACH(5) / O177464202324 / C C MACHINE CONSTANTS FOR THE VAX 11/780 C (EXPRESSED IN INTEGER AND HEXADECIMAL) C *** THE INTEGER FORMAT SHOULD BE OK FOR UNIX SYSTEMS*** C C === MACHINE = VAX.11/780 C DATA SMALL(1) / 128 / C DATA LARGE(1) / -32769 / C DATA RIGHT(1) / 13440 / C DATA DIVER(1) / 13568 / C DATA LOG10(1) / 547045274 / C C ***THE HEX FORMAT BELOW MAY NOT BE SUITABLE FOR UNIX SYSTEMS*** C C DATA SMALL(1) / Z00000080 / C DATA LARGE(1) / ZFFFF7FFF / C DATA RIGHT(1) / Z00003480 / C DATA DIVER(1) / Z00003500 / C DATA LOG10(1) / Z209B3F9A / C C C***FIRST EXECUTABLE STATEMENT R1MACH C R1MACH = RMACH(I) RETURN C END SUBROUTINE FDUMP C***BEGIN PROLOGUE FDUMP C***DATE WRITTEN 790801 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. Z C***KEYWORDS ERROR,XERROR PACKAGE C***AUTHOR JONES, R. E., (SNLA) C***PURPOSE Symbolic dump (should be locally written). C***DESCRIPTION C ***Note*** Machine Dependent Routine C FDUMP is intended to be replaced by a locally written C version which produces a symbolic dump. Failing this, C it should be replaced by a version which prints the C subprogram nesting list. Note that this dump must be C printed on each of up to five files, as indicated by the C XGETUA routine. See XSETUA and XGETUA for details. C C Written by Ron Jones, with SLATEC Common Math Library Subcommittee C Latest revision --- 23 May 1979 C***ROUTINES CALLED (NONE) C***END PROLOGUE FDUMP C***FIRST EXECUTABLE STATEMENT FDUMP RETURN END FUNCTION J4SAVE(IWHICH,IVALUE,ISET) C***BEGIN PROLOGUE J4SAVE C***REFER TO XERROR C Abstract C J4SAVE saves and recalls several global variables needed C by the library error handling routines. C C Description of Parameters C --Input-- C IWHICH - Index of item desired. C = 1 Refers to current error number. C = 2 Refers to current error control flag. C = 3 Refers to current unit number to which error C messages are to be sent. (0 means use standard.) C = 4 Refers to the maximum number of times any C message is to be printed (as set by XERMAX). C = 5 Refers to the total number of units to which C each error message is to be written. C = 6 Refers to the 2nd unit for error messages C = 7 Refers to the 3rd unit for error messages C = 8 Refers to the 4th unit for error messages C = 9 Refers to the 5th unit for error messages C IVALUE - The value to be set for the IWHICH-th parameter, C if ISET is .TRUE. . C ISET - If ISET=.TRUE., the IWHICH-th parameter will BE C given the value, IVALUE. If ISET=.FALSE., the C IWHICH-th parameter will be unchanged, and IVALUE C is a dummy parameter. C --Output-- C The (old) value of the IWHICH-th parameter will be returned C in the function value, J4SAVE. C C Written by Ron Jones, with SLATEC Common Math Library Subcommittee C Adapted from Bell Laboratories PORT Library Error Handler C Latest revision --- 23 MAY 1979 C***REFERENCES JONES R.E., KAHANER D.K., "XERROR, THE SLATEC ERROR- C HANDLING PACKAGE", SAND82-0800, SANDIA LABORATORIES, C 1982. C***ROUTINES CALLED (NONE) C***END PROLOGUE J4SAVE LOGICAL ISET INTEGER IPARAM(9) SAVE IPARAM DATA IPARAM(1),IPARAM(2),IPARAM(3),IPARAM(4)/0,2,0,10/ DATA IPARAM(5)/1/ DATA IPARAM(6),IPARAM(7),IPARAM(8),IPARAM(9)/0,0,0,0/ C***FIRST EXECUTABLE STATEMENT J4SAVE J4SAVE = IPARAM(IWHICH) IF (ISET) IPARAM(IWHICH) = IVALUE RETURN END SUBROUTINE XERABT(MESSG,NMESSG) C***BEGIN PROLOGUE XERABT C***DATE WRITTEN 790801 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. R3C C***KEYWORDS ERROR,XERROR PACKAGE C***AUTHOR JONES, R. E., (SNLA) C***PURPOSE Aborts program execution and prints error message. C***DESCRIPTION C Abstract C ***Note*** machine dependent routine C XERABT aborts the execution of the program. C The error message causing the abort is given in the calling C sequence, in case one needs it for printing on a dayfile, C for example. C C Description of Parameters C MESSG and NMESSG are as in XERROR, except that NMESSG may C be zero, in which case no message is being supplied. C C Written by Ron Jones, with SLATEC Common Math Library Subcommittee C Latest revision --- 19 MAR 1980 C***REFERENCES JONES R.E., KAHANER D.K., "XERROR, THE SLATEC ERROR- C HANDLING PACKAGE", SAND82-0800, SANDIA LABORATORIES, C 1982. C***ROUTINES CALLED (NONE) C***END PROLOGUE XERABT CHARACTER*(*) MESSG C***FIRST EXECUTABLE STATEMENT XERABT STOP END SUBROUTINE XERCTL(MESSG1,NMESSG,NERR,LEVEL,KONTRL) C***BEGIN PROLOGUE XERCTL C***DATE WRITTEN 790801 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. R3C C***KEYWORDS ERROR,XERROR PACKAGE C***AUTHOR JONES, R. E., (SNLA) C***PURPOSE Allows user control over handling of individual errors. C***DESCRIPTION C Abstract C Allows user control over handling of individual errors. C Just after each message is recorded, but before it is C processed any further (i.e., before it is printed or C a decision to abort is made), a call is made to XERCTL. C If the user has provided his own version of XERCTL, he C can then override the value of KONTROL used in processing C this message by redefining its value. C KONTRL may be set to any value from -2 to 2. C The meanings for KONTRL are the same as in XSETF, except C that the value of KONTRL changes only for this message. C If KONTRL is set to a value outside the range from -2 to 2, C it will be moved back into that range. C C Description of Parameters C C --Input-- C MESSG1 - the first word (only) of the error message. C NMESSG - same as in the call to XERROR or XERRWV. C NERR - same as in the call to XERROR or XERRWV. C LEVEL - same as in the call to XERROR or XERRWV. C KONTRL - the current value of the control flag as set C by a call to XSETF. C C --Output-- C KONTRL - the new value of KONTRL. If KONTRL is not C defined, it will remain at its original value. C This changed value of control affects only C the current occurrence of the current message. C***REFERENCES JONES R.E., KAHANER D.K., "XERROR, THE SLATEC ERROR- C HANDLING PACKAGE", SAND82-0800, SANDIA LABORATORIES, C 1982. C***ROUTINES CALLED (NONE) C***END PROLOGUE XERCTL CHARACTER*20 MESSG1 C***FIRST EXECUTABLE STATEMENT XERCTL RETURN END SUBROUTINE XERPRT(MESSG,NMESSG) C***BEGIN PROLOGUE XERPRT C***DATE WRITTEN 790801 (YYMMDD) C***REVISION DATE 820801 (YYMMDD) C***CATEGORY NO. Z C***KEYWORDS ERROR,XERROR PACKAGE C***AUTHOR JONES, R. E., (SNLA) C***PURPOSE Prints error messages. C***DESCRIPTION C Abstract C Print the Hollerith message in MESSG, of length NMESSG, C on each file indicated by XGETUA. C Latest revision --- 19 MAR 1980 C***REFERENCES JONES R.E., KAHANER D.K., "XERROR, THE SLATEC ERROR- C HANDLING PACKAGE", SAND82-0800, SANDIA LABORATORIES, C 1982. C***ROUTINES CALLED I1MACH,S88FMT,XGETUA C***END PROLOGUE XERPRT INTEGER LUN(5) CHARACTER*(*) MESSG C OBTAIN UNIT NUMBERS AND WRITE LINE TO EACH UNIT C***FIRST EXECUTABLE STATEMENT XERPRT CALL XGETUA(LUN,NUNIT) LENMES = LEN(MESSG) DO 20 KUNIT=1,NUNIT IUNIT = LUN(KUNIT) IF (IUNIT.EQ.0) IUNIT = I1MACH(4) DO 10 ICHAR=1,LENMES,72 LAST = MIN0(ICHAR+71 , LENMES) WRITE (IUNIT,'(1X,A)') MESSG(ICHAR:LAST) 10 CONTINUE 20 CONTINUE RETURN END