| 1 | SUBROUTINE UNPACK_CBF(N,CMPR,MXY,IMG) |
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| 2 | |
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| 3 | Cf2py intent(in) N |
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| 4 | Cf2py intent(in) CMPR |
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| 5 | Cf2py depend(N) CMPR |
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| 6 | Cf2py intent(in) MXY |
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| 7 | Cf2py intent(in,out) IMG |
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| 8 | Cf2py depend(MXY) IMG |
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| 9 | |
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| 10 | IMPLICIT NONE |
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| 11 | INTEGER*4 N,MXY |
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| 12 | CHARACTER*1 CMPR(0:N-1) |
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| 13 | INTEGER*4 IMG(0:MXY-1),BASEPIXEL |
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| 14 | INTEGER*4 I,J,ISIZE |
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| 15 | CHARACTER*1 C1,E1 |
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| 16 | CHARACTER*2 C2,E2 |
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| 17 | CHARACTER*4 C4,E4 |
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| 18 | INTEGER*1 IONEBYTE |
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| 19 | INTEGER*2 ITWOBYTES |
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| 20 | INTEGER*4 IFOURBYTES |
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| 21 | |
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| 22 | E1 = CHAR(128) |
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| 23 | E2 = CHAR(0)//CHAR(128) |
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| 24 | E4 = CHAR(0)//CHAR(0)//CHAR(0)//CHAR(128) |
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| 25 | |
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| 26 | I = 0 |
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| 27 | J = 0 |
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| 28 | BASEPIXEL = 0 |
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| 29 | DO WHILE ( I.LT.N ) |
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| 30 | C1 = CMPR(I) |
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| 31 | ISIZE = 1 |
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| 32 | IF ( C1.EQ.E1 ) THEN |
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| 33 | ISIZE = 2 |
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| 34 | I = I+1 |
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| 35 | C2 = CMPR(I)//CMPR(I+1) |
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| 36 | IF ( C2.EQ.E2 ) THEN |
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| 37 | ISIZE = 4 |
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| 38 | I = I+2 |
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| 39 | C4 = CMPR(I)//CMPR(I+1)//CMPR(I+2)//CMPR(I+3) |
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| 40 | IF ( C4.EQ.E4 ) THEN |
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| 41 | ISIZE = 8 |
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| 42 | I = I+4 |
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| 43 | END IF |
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| 44 | END IF |
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| 45 | END IF |
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| 46 | IF ( ISIZE .EQ. 1 ) THEN |
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| 47 | IONEBYTE = ICHAR(CMPR(I)) |
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| 48 | I = I+1 |
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| 49 | BASEPIXEL = BASEPIXEL+IONEBYTE |
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| 50 | ELSE IF ( ISIZE .EQ. 2 ) THEN |
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| 51 | ITWOBYTES = ICHAR(CMPR(I)) |
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| 52 | ITWOBYTES = ITWOBYTES+ISHFT(ICHAR(CMPR(I+1)),8) |
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| 53 | I = I+2 |
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| 54 | BASEPIXEL = BASEPIXEL+ITWOBYTES |
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| 55 | ELSE IF ( ISIZE.EQ.4 ) THEN |
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| 56 | IFOURBYTES = ICHAR(CMPR(I)) |
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| 57 | IFOURBYTES = IFOURBYTES+ISHFT(ICHAR(CMPR(I+1)),8) |
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| 58 | IFOURBYTES = IFOURBYTES+ISHFT(ICHAR(CMPR(I+2)),16) |
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| 59 | IFOURBYTES = IFOURBYTES+ISHFT(ICHAR(CMPR(I+3)),24) |
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| 60 | I = I+4 |
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| 61 | BASEPIXEL = BASEPIXEL+IFOURBYTES |
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| 62 | END IF |
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| 63 | c IF ( MOD(J,100000).EQ.0 ) PRINT *,I,J,BASEPIXEL |
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| 64 | IMG(J) = BASEPIXEL |
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| 65 | J = J+1 |
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| 66 | END DO |
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| 67 | RETURN |
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| 68 | END |
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| 69 | |
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| 70 | SUBROUTINE UNPACK_CBF3(N,CMPR,MXY,IMG) |
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| 71 | |
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| 72 | Cf2py intent(in) N |
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| 73 | Cf2py intent(in) CMPR |
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| 74 | Cf2py depend(N) CMPR |
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| 75 | Cf2py intent(in) MXY |
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| 76 | Cf2py intent(in,out) IMG |
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| 77 | Cf2py depend(MXY) IMG |
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| 78 | |
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| 79 | IMPLICIT NONE |
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| 80 | INTEGER*4 N,MXY |
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| 81 | INTEGER*1 CMPR(0:N-1) |
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| 82 | INTEGER*4 IMG(0:MXY-1),BASEPIXEL |
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| 83 | INTEGER*4 I,J,ISIZE |
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| 84 | CHARACTER*1 C1,E1 |
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| 85 | CHARACTER*2 C2,E2 |
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| 86 | CHARACTER*4 C4,E4 |
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| 87 | INTEGER*1 IONEBYTE |
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| 88 | INTEGER*2 ITWOBYTES |
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| 89 | INTEGER*4 IFOURBYTES |
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| 90 | |
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| 91 | E1 = CHAR(128) |
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| 92 | E2 = CHAR(0)//CHAR(128) |
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| 93 | E4 = CHAR(0)//CHAR(0)//CHAR(0)//CHAR(128) |
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| 94 | |
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| 95 | I = 0 |
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| 96 | J = 0 |
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| 97 | BASEPIXEL = 0 |
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| 98 | DO WHILE ( I.LT.N ) |
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| 99 | C1 = CHAR(CMPR(I)) |
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| 100 | ISIZE = 1 |
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| 101 | IF ( C1.EQ.E1 ) THEN |
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| 102 | ISIZE = 2 |
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| 103 | I = I+1 |
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| 104 | C2 = CHAR(CMPR(I))//CHAR(CMPR(I+1)) |
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| 105 | IF ( C2.EQ.E2 ) THEN |
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| 106 | ISIZE = 4 |
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| 107 | I = I+2 |
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| 108 | C4 = CHAR(CMPR(I))//CHAR(CMPR(I+1))// |
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| 109 | 1 CHAR(CMPR(I+2))//CHAR(CMPR(I+3)) |
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| 110 | IF ( C4.EQ.E4 ) THEN |
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| 111 | ISIZE = 8 |
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| 112 | I = I+4 |
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| 113 | END IF |
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| 114 | END IF |
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| 115 | END IF |
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| 116 | IF ( ISIZE .EQ. 1 ) THEN |
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| 117 | IONEBYTE = ICHAR(CHAR(CMPR(I))) |
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| 118 | I = I+1 |
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| 119 | BASEPIXEL = BASEPIXEL+IONEBYTE |
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| 120 | ELSE IF ( ISIZE .EQ. 2 ) THEN |
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| 121 | ITWOBYTES = ICHAR(CHAR(CMPR(I))) |
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| 122 | ITWOBYTES = ITWOBYTES+ISHFT(ICHAR(CHAR(CMPR(I+1))),8) |
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| 123 | I = I+2 |
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| 124 | BASEPIXEL = BASEPIXEL+ITWOBYTES |
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| 125 | ELSE IF ( ISIZE.EQ.4 ) THEN |
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| 126 | IFOURBYTES = ICHAR(CHAR(CMPR(I))) |
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| 127 | IFOURBYTES = IFOURBYTES+ISHFT(ICHAR(CHAR(CMPR(I+1))),8) |
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| 128 | IFOURBYTES = IFOURBYTES+ISHFT(ICHAR(CHAR(CMPR(I+2))),16) |
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| 129 | IFOURBYTES = IFOURBYTES+ISHFT(ICHAR(CHAR(CMPR(I+3))),24) |
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| 130 | I = I+4 |
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| 131 | BASEPIXEL = BASEPIXEL+IFOURBYTES |
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| 132 | END IF |
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| 133 | c IF ( MOD(J,100000).EQ.0 ) PRINT *,I,J,BASEPIXEL |
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| 134 | IMG(J) = BASEPIXEL |
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| 135 | J = J+1 |
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| 136 | END DO |
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| 137 | RETURN |
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| 138 | END |
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