SUBROUTINE TDXPYI ( NOUT, EPSILN, THRESH, NZMAX2, 1 NUMNZ, NZVALU, NUMA, AVALUE, 2 X, XSAVE, XTRUE, Y, YSAVE, 3 YTRUE , INDX, INDXT, LIST, ERRCNT, 4 ERRMAX ) C C ================================================================== C ================================================================== C ==== TDXPYI -- CERTIFY DAXPYI ==== C ================================================================== C ================================================================== C C SUBROUTINE TDXPYI IS THE CERTIFICATION MODULE FOR THE SPARSE C BASIC LINEAR ALGEBRA SUBROUTINE MODULE DAXPYI. C C WRITTEN BY ROGER G GRIMES C APRIL 1987 C C ================================================================== C C ------------- C ... ARGUMENTS C ------------- C INTEGER NOUT, NZMAX2, NUMNZ, NUMA, ERRCNT, 1 ERRMAX C INTEGER NZVALU (*), INDX (*), INDXT (*), 1 LIST (*) C DOUBLE PRECISION EPSILN, THRESH C DOUBLE PRECISION AVALUE (*), 1 X (*), XSAVE (*), XTRUE (*), 2 Y (*), YSAVE (*), YTRUE (*) C C ------------------- C ... LOCAL VARIABLES C ------------------- C DOUBLE PRECISION A, ATRUE, CLOBBR C INTEGER COUNT, I, ICLOBR, J, KA, 1 KINDX, KNZ, N, NZ, NZTRUE C DOUBLE PRECISION ERR, S, T C C -------------------- C ... SUBPROGRAMS USED C -------------------- C LOGICAL IVSAME, DVSAME C EXTERNAL ICOPY, DCOPY, IINIT, DINIT, GNINDX, 1 IVSAME, DVSAME, DAXPYI C C ================================================================== C C ------------------ C ... INITIALIZATION C ------------------ C COUNT = 0 C CLOBBR = -1.0D10 ICLOBR = -10000000 C C ------------------------------------ C ... GENERATE SOME VALUES FOR X AND Y C ------------------------------------ C DO 100 I = 1, NZMAX2 XSAVE(I) = COS ( .6*DBLE(I) ) YSAVE(I) = SIN ( .7*DBLE(I) ) 100 CONTINUE C C ------------------------ C ... FOR EACH VALUE OF NZ C ------------------------ C DO 700 KNZ = 1, NUMNZ C NZTRUE = NZVALU(KNZ) N = 2 * MAX ( NZTRUE, 1 ) C C ----------------------- C ... FOR EACH VALUE OF A C ----------------------- C DO 600 KA = 1, NUMA C ATRUE = AVALUE(KA) C C ------------------------------- C ... FOR EACH KIND OF INDX ARRAY C ------------------------------- C DO 500 KINDX = 1, 5 C CALL GNINDX ( NZTRUE, N, ICLOBR, KINDX, INDXT ) C CALL IINIT ( N, -1, LIST, 1 ) C DO 150 I = 1, NZTRUE LIST (INDXT(I)) = I 150 CONTINUE C C ----------------------- C ... GENERATE INPUT DATA C ----------------------- C I = MIN ( N, N-NZTRUE ) J = N - I + 1 CALL DCOPY ( NZTRUE, XSAVE, 1, XTRUE, 1 ) CALL DINIT ( I, CLOBBR, XTRUE(J), 1 ) CALL DINIT ( N, CLOBBR, YTRUE, 1 ) C DO 200 I = 1, NZTRUE YTRUE (INDXT(I)) = YSAVE (INDXT(I)) 200 CONTINUE C C ------------------- C ... COPY TRUE INPUT C ------------------- C A = ATRUE NZ = NZTRUE C CALL DCOPY ( N, YTRUE, 1, Y, 1 ) CALL DCOPY ( N, XTRUE, 1, X, 1 ) CALL ICOPY ( N, INDXT, 1, INDX, 1 ) C C -------------------------- C ... COMPUTE IN-LINE RESULT C -------------------------- C DO 300 I = 1, NZTRUE YTRUE (INDXT(I)) = YTRUE (INDXT(I)) + 1 ATRUE * XTRUE(I) 300 CONTINUE C C --------------- C ... CALL DAXPYI C --------------- C CALL DAXPYI ( NZ, A, X, INDX, Y ) C C ----------------------------------------- C ... TEST ARGUMENTS OF DAXPYI THAT ARE NOT C SUPPOSE TO CHANGE. C ----------------------------------------- C IF ( NZ .NE. NZTRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1000 ) NZTRUE, ATRUE, KINDX, 1 NZ END IF END IF C IF ( A .NE. ATRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1100 ) NZTRUE, ATRUE, KINDX, 1 A END IF END IF C IF ( .NOT. DVSAME ( N, X, XTRUE ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1200 ) NZTRUE, ATRUE, KINDX END IF END IF C IF ( .NOT. IVSAME ( N, INDX, INDXT ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1300 ) NZTRUE, ATRUE, KINDX END IF END IF C C --------------------------- C ... TEST OUTPUT FROM DAXPYI C --------------------------- C DO 400 J = 1, N IF ( LIST(J) .EQ. -1 ) THEN IF ( Y(J) .NE. YTRUE(J) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1400 ) NZTRUE, ATRUE, 1 KINDX, J, 2 Y(J), YTRUE(J) END IF END IF C ELSE C S = ABS ( Y(J) - YTRUE(J) ) T = ABS ( ATRUE) * ABS ( XTRUE (LIST(J))) + 1 ABS ( YSAVE(J)) ERR = S / ( EPSILN * T ) IF ( ERR .GT. THRESH ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1500 ) NZTRUE, ATRUE, 1 KINDX, J, Y(J), 2 YTRUE(J), ERR END IF END IF C END IF C 400 CONTINUE C 500 CONTINUE C 600 CONTINUE C 700 CONTINUE C C ================================================================== C C ------------------ C ... END OF TESTING C ------------------ C ERRCNT = ERRCNT + COUNT IF ( COUNT .NE. 0 ) GO TO 800 C C ----------------------------------- C ... WRITE PASSED MESSAGE AND RETURN C ----------------------------------- C WRITE ( NOUT, 2700 ) GO TO 900 C C ----------------------------------- C ... WRITE FAILED MESSAGE AND RETURN C ----------------------------------- C 800 WRITE ( NOUT, 2800 ) COUNT C C ------------------------ C ... END OF MODULE TDXPYI C ------------------------ C 900 CONTINUE RETURN C C ================================================================== C C ----------- C ... FORMATS C ----------- C 1000 FORMAT ( 5X, 'DAXPYI ALTERED NZ FOR TEST WITH NZ = ', I5, 1 ' A =', 1PD15.5, 2 ' AND THE INDX TYPE NO. ', I5, 3 '. ALTERED VALUE OF NZ = ', I5 ) C 1100 FORMAT ( 5X, 'DAXPYI ALTERED A FOR TEST WITH NZ = ', I5, 1 ' A =', 1PD15.5, 2 ' AND THE INDX TYPE NO. ', I5, 3 '. ALTERED VALUE OF A =', 1PD15.5 ) C 1200 FORMAT ( 5X, 'DAXPYI ALTERED ARRAY X FOR TEST WITH NZ = ', I5, 1 ' A =', 1PD15.5, 2 ' AND THE INDX TYPE NO. ', I5 ) C 1300 FORMAT ( 5X, 'DAXPYI ALTERED ARRAY INDX FOR TEST WITH NZ = ', I5, 1 ' A =', 1PD15.5, 2 ' AND THE INDX TYPE NO. ', I5 ) C 1400 FORMAT ( 5X, 'DAXPYI OUTPUT ARRAY Y IS INCORRECT FOR TEST WITH ', 1 'NZ = ', I5, ' A =', 1PD15.5, 2 ' AND THE INDX TYPE NO. ', I5 3 /5X, 'INCORRECT COMPONENT NO. ', I5, ' HAS VALUE =', 4 1PD15.5, 5 ' TRUE VALUE =', 1PD15.5 ) C 1500 FORMAT ( 5X, 'DAXPYI OUTPUT ARRAY Y IS INACCURATE FOR TEST WITH ', 1 'NZ = ', I5, ' A =', 1PD15.5, 2 ' AND THE INDX TYPE NO. ', I5 3 /5X, 'INACCURATE COMPONENT NO. ', I5, ' HAS VALUE =', 4 1PD15.5, ' TRUE VALUE =', 5 1PD15.5, ' ERROR = ', 1PD12.1 ) C 2700 FORMAT ( /5X, 'DAXPYI PASSED ALL TESTS.' ) C 2800 FORMAT ( /5X, 'DAXPYI FAILED', I10, ' TESTS.' ) C C ================================================================== C END SUBROUTINE TDDOTI ( NOUT, EPSILN, THRESH, NZMAX2, 1 NUMNZ, NZVALU, 2 X, XSAVE, XTRUE, Y, YSAVE, 3 YTRUE , INDX, INDXT, ERRCNT, ERRMAX ) C C ================================================================== C ================================================================== C ==== TDDOTI -- CERTIFY DDOTI ==== C ================================================================== C ================================================================== C C SUBROUTINE TDDOTI IS THE CERTIFICATION MODULE FOR THE SPARSE C BASIC LINEAR ALGEBRA SUBROUTINE MODULE DDOTI. C C WRITTEN BY ROGER G GRIMES C APRIL 1987 C C ================================================================== C C ------------- C ... ARGUMENTS C ------------- C INTEGER NOUT, NZMAX2, NUMNZ, ERRCNT, 1 ERRMAX C INTEGER NZVALU (*), INDX (*), INDXT (*) C DOUBLE PRECISION EPSILN, THRESH C DOUBLE PRECISION X (*), XSAVE (*), XTRUE (*), 1 Y (*), YSAVE (*), YTRUE (*) C C ------------------- C ... LOCAL VARIABLES C ------------------- C INTEGER COUNT, I, ICLOBR, J, KINDX, 1 KNZ, N, NZ, NZTRUE C DOUBLE PRECISION ERR, S, T C DOUBLE PRECISION CLOBBR, V, W C C -------------------- C ... SUBPROGRAMS USED C -------------------- C LOGICAL IVSAME, DVSAME C DOUBLE PRECISION DDOTI C EXTERNAL ICOPY, DCOPY, DINIT, GNINDX, 1 IVSAME, DVSAME, DDOTI C C ================================================================== C C ------------------ C ... INITIALIZATION C ------------------ C COUNT = 0 C CLOBBR = -1.0D10 ICLOBR = -10000000 C C ------------------------------------ C ... GENERATE SOME VALUES FOR X AND Y C ------------------------------------ C DO 100 I = 1, NZMAX2 XSAVE(I) = COS ( .6*DBLE(I) ) YSAVE(I) = SIN ( .7*DBLE(I) ) 100 CONTINUE C C ------------------------ C ... FOR EACH VALUE OF NZ C ------------------------ C DO 600 KNZ = 1, NUMNZ C NZTRUE = NZVALU(KNZ) N = 2 * MAX ( NZTRUE, 1 ) C C ------------------------------- C ... FOR EACH KIND OF INDX ARRAY C ------------------------------- C DO 500 KINDX = 1, 5 C CALL GNINDX ( NZTRUE, N, ICLOBR, KINDX, INDXT ) C C ----------------------- C ... GENERATE INPUT DATA C ----------------------- C I = MIN ( N, N-NZTRUE ) J = N - I + 1 CALL DCOPY ( NZTRUE, XSAVE, 1, XTRUE, 1 ) CALL DINIT ( I, CLOBBR, XTRUE(J), 1 ) CALL DINIT ( N, CLOBBR, YTRUE, 1 ) C DO 200 I = 1, NZTRUE YTRUE (INDXT(I)) = YSAVE (INDXT(I)) 200 CONTINUE C C ------------------- C ... COPY TRUE INPUT C ------------------- C NZ = NZTRUE C CALL DCOPY ( N, YTRUE, 1, Y, 1 ) CALL DCOPY ( N, XTRUE, 1, X, 1 ) CALL ICOPY ( N, INDXT, 1, INDX, 1 ) C C -------------------------- C ... COMPUTE IN-LINE RESULT C -------------------------- C V = 0.0D0 C DO 300 I = 1, NZTRUE V = V + XTRUE(I) * YTRUE (INDXT(I)) 300 CONTINUE C C -------------- C ... CALL DDOTI C -------------- C W = DDOTI ( NZ, X, INDX, Y ) C C ---------------------------------------- C ... TEST ARGUMENTS OF DDOTI THAT ARE NOT C SUPPOSE TO CHANGE. C ---------------------------------------- C IF ( NZ .NE. NZTRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1000 ) NZTRUE, KINDX, NZ END IF END IF C IF ( .NOT. DVSAME ( N, X, XTRUE ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1100 ) NZTRUE, KINDX END IF END IF C IF ( .NOT. IVSAME ( N, INDX, INDXT ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1200 ) NZTRUE, KINDX END IF END IF C IF ( .NOT. DVSAME ( N, Y, YTRUE ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1300 ) NZTRUE, KINDX END IF END IF C C -------------------------- C ... TEST OUTPUT FROM DDOTI C -------------------------- C S = ABS ( V - W ) C T = 0.0D0 DO 400 I = 1, NZTRUE T = T + ABS ( XTRUE(I) * YTRUE (INDXT(I)) ) 400 CONTINUE C IF ( T .EQ. 0.0D0 ) T = 1.0D0 C ERR = S / ( EPSILN * T ) C IF ( ERR .GT. THRESH ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1400 ) NZTRUE, KINDX, 1 W, V, ERR END IF END IF C 500 CONTINUE C 600 CONTINUE C C ================================================================== C C ------------------ C ... END OF TESTING C ------------------ C ERRCNT = ERRCNT + COUNT IF ( COUNT .NE. 0 ) GO TO 800 C C ----------------------------------- C ... WRITE PASSED MESSAGE AND RETURN C ----------------------------------- C WRITE ( NOUT, 2700 ) GO TO 900 C C ----------------------------------- C ... WRITE FAILED MESSAGE AND RETURN C ----------------------------------- C 800 WRITE ( NOUT, 2800 ) COUNT C C ------------------------ C ... END OF MODULE TDDOTI C ------------------------ C 900 CONTINUE RETURN C C ================================================================== C C ----------- C ... FORMATS C ----------- C 1000 FORMAT ( 5X, 'DDOTI ALTERED NZ FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5, 2 '. ALTERED VALUE OF NZ = ', I5 ) C 1100 FORMAT ( 5X, 'DDOTI ALTERED ARRAY X FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5 ) C 1200 FORMAT ( 5X, 'DDOTI ALTERED ARRAY INDX FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5 ) C 1300 FORMAT ( 5X, 'DDOTI ALTERED ARRAY Y FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5 ) C 1400 FORMAT ( 5X, 'DDOTI OUTPUT W IS INACCURATE FOR TEST WITH ', 1 'NZ = ', I5, ' AND THE INDX TYPE NO. ', I5 2 /5X, 'DDOTI HAS VALUE =', 1PD15.5, 3 ' TRUE VALUE =', 1PD15.5, 4 ' ERROR = ', 1PD12.1 ) C 2700 FORMAT ( /5X, 'DDOTI PASSED ALL TESTS.' ) C 2800 FORMAT ( /5X, 'DDOTI FAILED', I10, ' TESTS.' ) C C ================================================================== C END SUBROUTINE TDGTHR ( NOUT, NZMAX2, NUMNZ, NZVALU, 1 X, XSAVE, XTRUE, Y, YSAVE, 2 YTRUE , INDX, INDXT, ERRCNT, ERRMAX ) C C ================================================================== C ================================================================== C ==== TDGTHR -- CERTIFY DGTHR ==== C ================================================================== C ================================================================== C C SUBROUTINE TDGTHR IS THE CERTIFICATION MODULE FOR THE SPARSE C BASIC LINEAR ALGEBRA SUBROUTINE MODULE DGTHR. C C WRITTEN BY ROGER G GRIMES C APRIL 1987 C C ================================================================== C C ------------- C ... ARGUMENTS C ------------- C INTEGER NOUT, NZMAX2, NUMNZ, ERRCNT, 1 ERRMAX C INTEGER NZVALU (*), INDX (*), INDXT (*) C DOUBLE PRECISION X (*), XSAVE (*), XTRUE (*), 1 Y (*), YSAVE (*), YTRUE (*) C C ------------------- C ... LOCAL VARIABLES C ------------------- C INTEGER COUNT, I, ICLOBR, KINDX, 1 KNZ, N, NZ, NZTRUE C DOUBLE PRECISION CLOBBR C C -------------------- C ... SUBPROGRAMS USED C -------------------- C LOGICAL IVSAME, DVSAME C EXTERNAL ICOPY, DCOPY, DINIT, GNINDX, 1 IVSAME, DVSAME, DGTHR C C ================================================================== C C ------------------ C ... INITIALIZATION C ------------------ C COUNT = 0 C CLOBBR = -1.0D10 ICLOBR = -10000000 C C ------------------------------------ C ... GENERATE SOME VALUES FOR X AND Y C ------------------------------------ C DO 100 I = 1, NZMAX2 XSAVE(I) = COS ( .6*DBLE(I) ) YSAVE(I) = SIN ( .7*DBLE(I) ) 100 CONTINUE C C ------------------------ C ... FOR EACH VALUE OF NZ C ------------------------ C DO 600 KNZ = 1, NUMNZ C NZTRUE = NZVALU(KNZ) N = 2 * MAX ( NZTRUE, 1 ) C C ------------------------------- C ... FOR EACH KIND OF INDX ARRAY C ------------------------------- C DO 500 KINDX = 1, 5 C CALL GNINDX ( NZTRUE, N, ICLOBR, KINDX, INDXT ) C C ----------------------- C ... GENERATE INPUT DATA C ----------------------- C CALL DINIT ( N, CLOBBR, XTRUE, 1 ) CALL DINIT ( N, CLOBBR, YTRUE, 1 ) C DO 200 I = 1, NZTRUE YTRUE (INDXT(I)) = YSAVE (INDXT(I)) 200 CONTINUE C C ------------------- C ... COPY TRUE INPUT C ------------------- C NZ = NZTRUE C CALL DCOPY ( N, YTRUE, 1, Y, 1 ) CALL DCOPY ( N, XTRUE, 1, X, 1 ) CALL ICOPY ( N, INDXT, 1, INDX, 1 ) C C -------------------------- C ... COMPUTE IN-LINE RESULT C -------------------------- C DO 300 I = 1, NZTRUE XTRUE (I) = YTRUE (INDXT(I)) 300 CONTINUE C C -------------- C ... CALL DGTHR C -------------- C CALL DGTHR ( NZ, Y, X, INDX ) C C ---------------------------------------- C ... TEST ARGUMENTS OF DGTHR THAT ARE NOT C SUPPOSE TO CHANGE. C ---------------------------------------- C IF ( NZ .NE. NZTRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1000 ) NZTRUE, KINDX, NZ END IF END IF C IF ( .NOT. DVSAME ( N, Y, YTRUE ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1100 ) NZTRUE, KINDX END IF END IF C IF ( .NOT. IVSAME ( N, INDX, INDXT ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1200 ) NZTRUE, KINDX END IF END IF C C -------------------------- C ... TEST OUTPUT FROM DGTHR C -------------------------- C DO 400 I = 1, N IF ( X(I) .NE. XTRUE(I) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1300 ) NZTRUE, KINDX, I, 1 X(I), XTRUE(I) END IF END IF 400 CONTINUE C 500 CONTINUE C 600 CONTINUE C C ================================================================== C C ------------------ C ... END OF TESTING C ------------------ C ERRCNT = ERRCNT + COUNT IF ( COUNT .NE. 0 ) GO TO 800 C C ----------------------------------- C ... WRITE PASSED MESSAGE AND RETURN C ----------------------------------- C WRITE ( NOUT, 2700 ) GO TO 900 C C ----------------------------------- C ... WRITE FAILED MESSAGE AND RETURN C ----------------------------------- C 800 WRITE ( NOUT, 2800 ) COUNT C C ------------------------ C ... END OF MODULE TDGTHR C ------------------------ C 900 CONTINUE RETURN C C ================================================================== C C ----------- C ... FORMATS C ----------- C 1000 FORMAT ( 5X, 'DGTHR ALTERED NZ FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5, 2 '. ALTERED VALUE OF NZ = ', I5 ) C 1100 FORMAT ( 5X, 'DGTHR ALTERED ARRAY Y FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5 ) C 1200 FORMAT ( 5X, 'DGTHR ALTERED ARRAY INDX FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5 ) C 1300 FORMAT ( 5X, 'DGTHR OUTPUT ARRAY X IS INCORRECT FOR TEST WITH ', 1 'NZ = ', I5, ' AND THE INDX TYPE NO. ', I5 2 /5X, 'INACCURATE COMPONENT NO. ', I5, ' HAS VALUE =', 3 1PD15.5, ' TRUE VALUE = ', 1PD15.5 ) C 2700 FORMAT ( /5X, 'DGTHR PASSED ALL TESTS.' ) C 2800 FORMAT ( /5X, 'DGTHR FAILED', I10, ' TESTS.' ) C C ================================================================== C END SUBROUTINE TDGTHZ ( NOUT, NZMAX2, NUMNZ, NZVALU, 1 X, XSAVE, XTRUE, Y, YSAVE, 2 YTRUE , INDX, INDXT, ERRCNT, ERRMAX ) C C ================================================================== C ================================================================== C ==== TDGTHZ -- CERTIFY DGTHRZ ==== C ================================================================== C ================================================================== C C SUBROUTINE TDGTHZ IS THE CERTIFICATION MODULE FOR THE SPARSE C BASIC LINEAR ALGEBRA SUBROUTINE MODULE DGTHRZ. C C WRITTEN BY ROGER G GRIMES C APRIL 1987 C C ================================================================== C C ------------- C ... ARGUMENTS C ------------- C INTEGER NOUT, NZMAX2, NUMNZ, ERRCNT, 1 ERRMAX C INTEGER NZVALU (*), INDX (*), INDXT (*) C DOUBLE PRECISION X (*), XSAVE (*), XTRUE (*), 1 Y (*), YSAVE (*), YTRUE (*) C C ------------------- C ... LOCAL VARIABLES C ------------------- C INTEGER COUNT, I, ICLOBR, KINDX, 1 KNZ, N, NZ, NZTRUE C DOUBLE PRECISION CLOBBR C C -------------------- C ... SUBPROGRAMS USED C -------------------- C LOGICAL IVSAME, DVSAME C EXTERNAL ICOPY, DCOPY, DINIT, GNINDX, 1 IVSAME, DVSAME, DGTHRZ C C ================================================================== C C ------------------ C ... INITIALIZATION C ------------------ C COUNT = 0 C CLOBBR = -1.0D10 ICLOBR = -10000000 C C ------------------------------------ C ... GENERATE SOME VALUES FOR X AND Y C ------------------------------------ C DO 100 I = 1, NZMAX2 XSAVE(I) = COS ( .6*DBLE(I) ) YSAVE(I) = SIN ( .7*DBLE(I) ) 100 CONTINUE C C ------------------------ C ... FOR EACH VALUE OF NZ C ------------------------ C DO 600 KNZ = 1, NUMNZ C NZTRUE = NZVALU(KNZ) N = 2 * MAX ( NZTRUE, 1 ) C C ------------------------------- C ... FOR EACH KIND OF INDX ARRAY C ------------------------------- C DO 500 KINDX = 1, 5 C CALL GNINDX ( NZTRUE, N, ICLOBR, KINDX, INDXT ) C C ----------------------- C ... GENERATE INPUT DATA C ----------------------- C CALL DINIT ( N, CLOBBR, XTRUE, 1 ) CALL DINIT ( N, CLOBBR, YTRUE, 1 ) C DO 200 I = 1, NZTRUE YTRUE (INDXT(I)) = YSAVE (INDXT(I)) 200 CONTINUE C C ------------------- C ... COPY TRUE INPUT C ------------------- C NZ = NZTRUE C CALL DCOPY ( N, YTRUE, 1, Y, 1 ) CALL DCOPY ( N, XTRUE, 1, X, 1 ) CALL ICOPY ( N, INDXT, 1, INDX, 1 ) C C -------------------------- C ... COMPUTE IN-LINE RESULT C -------------------------- C DO 300 I = 1, NZTRUE XTRUE (I) = YTRUE (INDXT(I)) YTRUE(INDXT(I)) = 0.0D0 300 CONTINUE C C --------------- C ... CALL DGTHRZ C --------------- C CALL DGTHRZ ( NZ, Y, X, INDX ) C C ----------------------------------------- C ... TEST ARGUMENTS OF DGTHRZ THAT ARE NOT C SUPPOSE TO CHANGE. C ----------------------------------------- C IF ( NZ .NE. NZTRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1000 ) NZTRUE, KINDX, NZ END IF END IF C IF ( .NOT. IVSAME ( N, INDX, INDXT ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1100 ) NZTRUE, KINDX END IF END IF C C --------------------------- C ... TEST OUTPUT FROM DGTHRZ C --------------------------- C DO 400 I = 1, N C IF ( X(I) .NE. XTRUE(I) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1200 ) NZTRUE, KINDX, I, 1 X(I), XTRUE(I) END IF END IF C IF ( Y(I) .NE. YTRUE(I) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1300 ) NZTRUE, KINDX, I, 1 Y(I), YTRUE(I) END IF END IF C 400 CONTINUE C 500 CONTINUE C 600 CONTINUE C C ================================================================== C C ------------------ C ... END OF TESTING C ------------------ C ERRCNT = ERRCNT + COUNT IF ( COUNT .NE. 0 ) GO TO 800 C C ----------------------------------- C ... WRITE PASSED MESSAGE AND RETURN C ----------------------------------- C WRITE ( NOUT, 2700 ) GO TO 900 C C ----------------------------------- C ... WRITE FAILED MESSAGE AND RETURN C ----------------------------------- C 800 WRITE ( NOUT, 2800 ) COUNT C C ------------------------ C ... END OF MODULE TDGTHZ C ------------------------ C 900 CONTINUE RETURN C C ================================================================== C C ----------- C ... FORMATS C ----------- C 1000 FORMAT ( 5X, 'DGTHRZ ALTERED NZ FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5, 2 '. ALTERED VALUE OF NZ = ', I5 ) C 1100 FORMAT ( 5X, 'DGTHRZ ALTERED ARRAY INDX FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5 ) C 1200 FORMAT ( 5X, 'DGTHRZ OUTPUT ARRAY X IS INCORRECT FOR TEST WITH ', 1 'NZ = ', I5, ' AND THE INDX TYPE NO. ', I5 2 /5X, 'INACCURATE COMPONENT NO. ', I5, ' HAS VALUE =', 3 1PD15.5, ' TRUE VALUE =', 1PD15.5 ) C 1300 FORMAT ( 5X, 'DGTHRZ OUTPUT ARRAY Y IS INCORRECT FOR TEST WITH ', 1 'NZ = ', I5, ' AND THE INDX TYPE NO. ', I5 2 /5X, 'INACCURATE COMPONENT NO. ', I5, ' HAS VALUE =', 3 1PD15.5, ' TRUE VALUE =', 1PD15.5 ) C 2700 FORMAT ( /5X, 'DGTHRZ PASSED ALL TESTS.' ) C 2800 FORMAT ( /5X, 'DGTHRZ FAILED', I10, ' TESTS.' ) C C ================================================================== C END SUBROUTINE TDROTI ( NOUT, EPSILN, THRESH, NZMAX2, 1 NUMNZ, NZVALU, NUMG, CVALUE, SVALUE, 2 X, XSAVE, XTRUE, Y, YSAVE, 3 YTRUE , INDX, INDXT, LIST, ERRCNT, 4 ERRMAX ) C C ================================================================== C ================================================================== C ==== TDROTI -- CERTIFY DROTI ==== C ================================================================== C ================================================================== C C SUBROUTINE TDROTI IS THE CERTIFICATION MODULE FOR THE SPARSE C BASIC LINEAR ALGEBRA SUBROUTINE MODULE DROTI. C C WRITTEN BY ROGER G GRIMES C APRIL 1987 C C ================================================================== C C ------------- C ... ARGUMENTS C ------------- C INTEGER NOUT, NZMAX2, NUMNZ, NUMG, ERRCNT, 1 ERRMAX C INTEGER NZVALU (*), INDX (*), INDXT (*), 1 LIST (*) C DOUBLE PRECISION EPSILN, THRESH C DOUBLE PRECISION CVALUE (*), SVALUE (*), 1 X (*), XSAVE (*), XTRUE (*), 2 Y (*), YSAVE (*), YTRUE (*) C C ------------------- C ... LOCAL VARIABLES C ------------------- C INTEGER COUNT, I, ICLOBR, J, KG, 1 KINDX, KNZ, N, NZ, NZTRUE C DOUBLE PRECISION C, CLOBBR, CTRUE, ERR, S, 1 STRUE, V, W C C -------------------- C ... SUBPROGRAMS USED C -------------------- C LOGICAL IVSAME C EXTERNAL DCOPY, DINIT, ICOPY, IINIT, GNINDX, 1 IVSAME, DROTI C C ================================================================== C C ------------------ C ... INITIALIZATION C ------------------ C COUNT = 0 C CLOBBR = -1.0D10 ICLOBR = -10000000 C C ------------------------------------ C ... GENERATE SOME VALUES FOR X AND Y C ------------------------------------ C DO 100 I = 1, NZMAX2 XSAVE(I) = COS ( .6D0 * DBLE(I) ) YSAVE(I) = SIN ( .7D0 * DBLE(I) ) 100 CONTINUE C C ------------------------ C ... FOR EACH VALUE OF NZ C ------------------------ C DO 700 KNZ = 1, NUMNZ C NZTRUE = NZVALU(KNZ) N = 2 * MAX ( NZTRUE, 1 ) C C ----------------------------- C ... FOR EACH VALUE OF C AND S C ----------------------------- C DO 600 KG = 1, NUMG C CTRUE = CVALUE(KG) STRUE = SVALUE(KG) C C ------------------------------- C ... FOR EACH KIND OF INDX ARRAY C ------------------------------- C DO 500 KINDX = 1, 5 C CALL GNINDX ( NZTRUE, N, ICLOBR, KINDX, INDXT ) C CALL IINIT ( N, -1, LIST, 1 ) C DO 150 I = 1, NZTRUE LIST (INDXT(I)) = I 150 CONTINUE C C ----------------------- C ... GENERATE INPUT DATA C ----------------------- C I = MIN ( N, N-NZTRUE ) J = N - I + 1 CALL DCOPY ( NZTRUE, XSAVE, 1, XTRUE, 1 ) CALL DINIT ( I, CLOBBR, XTRUE(J), 1 ) CALL DINIT ( N, CLOBBR, YTRUE , 1 ) C DO 200 I = 1, NZTRUE YTRUE (INDXT(I)) = YSAVE (INDXT(I)) 200 CONTINUE C C ------------------- C ... COPY TRUE INPUT C ------------------- C C = CTRUE S = STRUE NZ = NZTRUE C CALL DCOPY ( N, YTRUE, 1, Y, 1 ) CALL DCOPY ( N, XTRUE, 1, X, 1 ) CALL ICOPY ( N, INDXT, 1, INDX, 1 ) C C -------------------------- C ... COMPUTE IN-LINE RESULT C -------------------------- C DO 300 I = 1, NZTRUE V = XTRUE(I) XTRUE(I) = CTRUE * V + 1 STRUE * YTRUE (INDXT(I)) YTRUE (INDXT(I)) = -STRUE * V + 1 CTRUE * YTRUE (INDXT(I)) 300 CONTINUE C C -------------- C ... CALL DROTI C -------------- C CALL DROTI ( NZ, X, INDX, Y, C, S ) C C ---------------------------------------- C ... TEST ARGUMENTS OF DROTI THAT ARE NOT C SUPPOSE TO CHANGE. C ---------------------------------------- C IF ( NZ .NE. NZTRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1000 ) NZTRUE, CTRUE, STRUE, 1 KINDX, NZ END IF END IF C IF ( C .NE. CTRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1100 ) NZTRUE, CTRUE, STRUE, 1 KINDX, C, S END IF END IF C IF ( S .NE. STRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1200 ) NZTRUE, CTRUE, STRUE, 1 KINDX, C, S END IF END IF C IF ( .NOT. IVSAME ( N, INDX, INDXT ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1300 ) NZTRUE, CTRUE, STRUE, 1 KINDX END IF END IF C C -------------------------- C ... TEST OUTPUT FROM DROTI C -------------------------- C DO 400 J = 1, N C IF ( LIST(J) .EQ. -1 ) THEN C IF ( X(J) .NE. XTRUE(J) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1400 ) NZTRUE, CTRUE, 1 STRUE, KINDX, J, 2 X(J), XTRUE(J) END IF END IF C IF ( Y(J) .NE. YTRUE(J) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1500 ) NZTRUE, CTRUE, 1 STRUE, KINDX, J, 2 Y(J), YTRUE(J) END IF END IF C ELSE C V = ABS ( X (LIST(J)) - XTRUE (LIST(J)) ) W = ABS ( CTRUE ) * ABS ( XSAVE (LIST(J)) ) + 1 ABS ( STRUE ) * ABS ( YSAVE(J) ) IF ( W .EQ. 0.0D0 ) W = 1.0D0 ERR = V / ( EPSILN * W ) IF ( ERR .GT. THRESH ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1600 ) NZTRUE, CTRUE, 1 STRUE, KINDX, I, 2 X (LIST(J)), 3 XTRUE (LIST(J)), 4 ERR END IF END IF C V = ABS ( Y(J) - YTRUE(J) ) W = ABS ( STRUE ) * ABS ( XSAVE (LIST(J)) ) + 1 ABS ( CTRUE ) * ABS ( YSAVE(J) ) IF ( W .EQ. 0.0D0 ) W = 1.0D0 ERR = V / ( EPSILN * W ) IF ( ERR .GT. THRESH ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1700 ) NZTRUE, CTRUE, 1 STRUE, KINDX, J, 2 Y(J), YTRUE(J), 3 ERR END IF END IF C END IF C 400 CONTINUE C 500 CONTINUE C 600 CONTINUE C 700 CONTINUE C C ================================================================== C C ------------------ C ... END OF TESTING C ------------------ C ERRCNT = ERRCNT + COUNT IF ( COUNT .NE. 0 ) GO TO 800 C C ----------------------------------- C ... WRITE PASSED MESSAGE AND RETURN C ----------------------------------- C WRITE ( NOUT, 2700 ) GO TO 900 C C ----------------------------------- C ... WRITE FAILED MESSAGE AND RETURN C ----------------------------------- C 800 WRITE ( NOUT, 2800 ) COUNT C C ------------------------ C ... END OF MODULE TDROTI C ------------------------ C 900 CONTINUE RETURN C C ================================================================== C C ----------- C ... FORMATS C ----------- C 1000 FORMAT ( 5X, 'DROTI ALTERED NZ FOR TEST WITH NZ = ', I5, 1 ' C, S = ', 1P, 2D15.5, ' AND THE INDX TYPE NO. ', I5 2 /5X, 'ALTERED VALUE OF NZ = ', I5 ) C 1100 FORMAT ( 5X, 'DROTI ALTERED C FOR TEST WITH NZ = ', I5, 1 ' C, S = ', 1P, 2D15.5, ' AND THE INDX TYPE NO. ', I5 2 /5X, 'ALTERED VALUE OF C = ', 1PD15.5 ) C 1200 FORMAT ( 5X, 'DROTI ALTERED S FOR TEST WITH NZ = ', I5, 1 ' C, S = ', 1P, 2D15.5, ' AND THE INDX TYPE NO. ', I5 2 /5X, 'ALTERED VALUE OF S = ', 1PD15.5 ) C 1300 FORMAT ( 5X, 'DROTI ALTERED ARRAY INDX FOR TEST WITH NZ = ', I5, 1 ' C, S = ', 1P, 2D15.5, ' AND THE INDX TYPE NO. ', 2 I5 ) C 1400 FORMAT ( 5X, 'DROTI OUTPUT ARRAY X IS INCORRECT FOR TEST WITH ', 1 'NZ = ', I5, ' C, S = ', 1P, 2D15.5, 2 ' AND THE INDX TYPE NO. ', I5 3 /5X, 'INCORRECT COMPONENT NO. ', I5, ' HAS VALUE = ', 4 1PD15.5, ' TRUE VALUE = ', 1PD15.5 ) C 1500 FORMAT ( 5X, 'DROTI OUTPUT ARRAY Y IS INCORRECT FOR TEST WITH ', 1 'NZ = ', I5, ' C, S = ', 1P, 2D15.5, 2 ' AND THE INDX TYPE NO. ', I5 3 /5X, 'INCORRECT COMPONENT NO. ', I5, ' HAS VALUE = ', 4 1PD15.5, ' TRUE VALUE = ', 1PD15.5 ) C 1600 FORMAT ( 5X, 'DROTI OUTPUT ARRAY X IS INACCURATE FOR TEST WITH ', 1 'NZ = ', I5, ' C, S = ', 1P, 2D15.5, 2 ' AND THE INDX TYPE NO. ', I5 3 /5X, 'INACCURATE COMPONENT NO. ', I5, ' HAS VALUE = ', 4 1PD15.5, ' TRUE VALUE = ', 1PD15.5, ' ERROR = ', 5 1PD12.1 ) C 1700 FORMAT ( 5X, 'DROTI OUTPUT ARRAY Y IS INACCURATE FOR TEST WITH ', 1 'NZ = ', I5, ' C, S = ', 1P, 2D15.5, 2 ' AND THE INDX TYPE NO. ', I5 3 /5X, 'INACCURATE COMPONENT NO. ', I5, ' HAS VALUE = ', 4 1PD15.5, ' TRUE VALUE = ', 1PD15.5, ' ERROR = ', 5 1PD12.1 ) C 2700 FORMAT ( /5X, 'DROTI PASSED ALL TESTS.' ) C 2800 FORMAT ( /5X, 'DROTI FAILED', I10, ' TESTS.' ) C C ================================================================== C END SUBROUTINE TDSCTR ( NOUT, NZMAX2, NUMNZ, NZVALU, 1 X, XSAVE, XTRUE, Y, YSAVE, 2 YTRUE , INDX, INDXT, ERRCNT, ERRMAX ) C C ================================================================== C ================================================================== C ==== TDSCTR -- CERTIFY DSCTR ==== C ================================================================== C ================================================================== C C SUBROUTINE TDSCTR IS THE CERTIFICATION MODULE FOR THE SPARSE C BASIC LINEAR ALGEBRA SUBROUTINE MODULE DSCTR. C C WRITTEN BY ROGER G GRIMES C APRIL 1987 C C ================================================================== C C ------------- C ... ARGUMENTS C ------------- C INTEGER NOUT, NZMAX2, NUMNZ, ERRCNT, 1 ERRMAX C INTEGER NZVALU (*), INDX (*), INDXT (*) C DOUBLE PRECISION X (*), XSAVE (*), XTRUE (*), 1 Y (*), YSAVE (*), YTRUE (*) C C ------------------- C ... LOCAL VARIABLES C ------------------- C INTEGER COUNT, I, ICLOBR, J, KINDX, 1 KNZ, N, NZ, NZTRUE C DOUBLE PRECISION CLOBBR C C -------------------- C ... SUBPROGRAMS USED C -------------------- C LOGICAL IVSAME, DVSAME C EXTERNAL ICOPY, DCOPY, DINIT, GNINDX, 1 IVSAME, DVSAME, DSCTR C C ================================================================== C C ------------------ C ... INITIALIZATION C ------------------ C COUNT = 0 C CLOBBR = -1.0D10 ICLOBR = -10000000 C C ------------------------------------ C ... GENERATE SOME VALUES FOR X AND Y C ------------------------------------ C DO 100 I = 1, NZMAX2 XSAVE(I) = COS ( .6*DBLE(I) ) YSAVE(I) = SIN ( .7*DBLE(I) ) 100 CONTINUE C C ------------------------ C ... FOR EACH VALUE OF NZ C ------------------------ C DO 600 KNZ = 1, NUMNZ C NZTRUE = NZVALU(KNZ) N = 2 * MAX ( NZTRUE, 1 ) C C ------------------------------- C ... FOR EACH KIND OF INDX ARRAY C ------------------------------- C DO 500 KINDX = 1, 5 C CALL GNINDX ( NZTRUE, N, ICLOBR, KINDX, INDXT ) C C ----------------------- C ... GENERATE INPUT DATA C ----------------------- C I = MIN ( N, N-NZTRUE ) J = N - I + 1 CALL DCOPY ( NZTRUE, XSAVE, 1, XTRUE, 1 ) CALL DINIT ( I, CLOBBR, XTRUE(J), 1 ) CALL DINIT ( N, CLOBBR, YTRUE, 1 ) C C ------------------- C ... COPY TRUE INPUT C ------------------- C NZ = NZTRUE C CALL DCOPY ( N, YTRUE, 1, Y, 1 ) CALL DCOPY ( N, XTRUE, 1, X, 1 ) CALL ICOPY ( N, INDXT, 1, INDX, 1 ) C C -------------------------- C ... COMPUTE IN-LINE RESULT C -------------------------- C DO 300 I = 1, NZTRUE YTRUE (INDXT(I)) = XTRUE (I) 300 CONTINUE C C -------------- C ... CALL DSCTR C -------------- C CALL DSCTR ( NZ, X, INDX, Y ) C C ---------------------------------------- C ... TEST ARGUMENTS OF DSCTR THAT ARE NOT C SUPPOSE TO CHANGE. C ---------------------------------------- C IF ( NZ .NE. NZTRUE ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1000 ) NZTRUE, KINDX, NZ END IF END IF C IF ( .NOT. DVSAME ( N, X, XTRUE ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1100 ) NZTRUE, KINDX END IF END IF C IF ( .NOT. IVSAME ( N, INDX, INDXT ) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1200 ) NZTRUE, KINDX END IF END IF C C -------------------------- C ... TEST OUTPUT FROM DSCTR C -------------------------- C DO 400 I = 1, N IF ( Y(I) .NE. YTRUE(I) ) THEN COUNT = COUNT + 1 IF ( COUNT .LE. ERRMAX ) THEN WRITE ( NOUT, 1300 ) NZTRUE, KINDX, I, 1 Y(I), YTRUE(I) END IF END IF 400 CONTINUE C 500 CONTINUE C 600 CONTINUE C C ================================================================== C C ------------------ C ... END OF TESTING C ------------------ C ERRCNT = ERRCNT + COUNT IF ( COUNT .NE. 0 ) GO TO 800 C C ----------------------------------- C ... WRITE PASSED MESSAGE AND RETURN C ----------------------------------- C WRITE ( NOUT, 2700 ) GO TO 900 C C ----------------------------------- C ... WRITE FAILED MESSAGE AND RETURN C ----------------------------------- C 800 WRITE ( NOUT, 2800 ) COUNT C C ------------------------ C ... END OF MODULE TDSCTR C ------------------------ C 900 CONTINUE RETURN C C ================================================================== C C ----------- C ... FORMATS C ----------- C 1000 FORMAT ( 5X, 'DSCTR ALTERED NZ FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5, 2 '. ALTERED VALUE OF NZ = ', I5 ) C 1100 FORMAT ( 5X, 'DSCTR ALTERED ARRAY X FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5 ) C 1200 FORMAT ( 5X, 'DSCTR ALTERED ARRAY INDX FOR TEST WITH NZ = ', I5, 1 ' AND THE INDX TYPE NO. ', I5 ) C 1300 FORMAT ( 5X, 'DSCTR OUTPUT ARRAY Y IS INCORRECT FOR TEST WITH ', 1 'NZ = ', I5, ' AND THE INDX TYPE NO. ', I5 2 /5X, 'INACCURATE COMPONENT NO. ', I5, ' HAS VALUE =', 3 1PD15.5, ' TRUE VALUE =', 1PD15.5 ) C 2700 FORMAT ( /5X, 'DSCTR PASSED ALL TESTS.' ) C 2800 FORMAT ( /5X, 'DSCTR FAILED', I10, ' TESTS.' ) C C ================================================================== C END