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1 ! Program to test the nested functions
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2 program intrinsic_pack
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3 integer, parameter :: val(9) = (/0,0,0,0,9,0,0,0,7/)
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4 integer, dimension(3, 3) :: a
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5 integer, dimension(6) :: b
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6
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7 a = reshape (val, (/3, 3/))
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8 b = 0
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9 b(1:6:3) = pack (a, a .ne. 0);
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10 if (any (b(1:6:3) .ne. (/9, 7/))) STOP 1
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11 b = pack (a(2:3, 2:3), a(2:3, 2:3) .ne. 0, (/1, 2, 3, 4, 5, 6/));
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12 if (any (b .ne. (/9, 7, 3, 4, 5, 6/))) STOP 2
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111
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13
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14 contains
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15 subroutine tests_with_temp
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16 ! A few tests which involve a temporary
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17 if (any (pack(a, a.ne.0) .ne. (/9, 7/))) STOP 3
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18 if (any (pack(a, .true.) .ne. val)) STOP 4
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19 if (size(pack (a, .false.)) .ne. 0) STOP 5
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20 if (any (pack(a, .false., (/1,2,3/)).ne. (/1,2,3/))) STOP 6
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111
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21
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22 end subroutine tests_with_temp
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23 end program
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