Re: [Bug-apl] A couple of bugs, and a question on the power operator

[Juergen Sauermann]

Hi Louis, I am getting this:       ⎕IO←1       (g d)←'ATCTGAT' 'TGCATA'       {((1↓X)Y((⊃X),Z)),[¯.5]X(1↓Y)((⊃Y),Z)⊣(X Y Z)←⍵}g d ⍬  TCTGAT  TGCATA ATCTGAT  ATCTGAT GCATA  TGCATA        {((1↓X)Y((⊃X),Z)),[.5]X(1↓Y)((⊃Y),Z)⊣(X Y Z)←⍵}g d ⍬  TCTGAT  TGCATA ATCTGAT  ATCTGAT GCATA  TGCATA              ⎕IO←0       (g d)←'ATCTGAT' 'TGCATA'       {((1↓X)Y((⊃X),Z)),[¯.5]X(1↓Y)((⊃Y),Z)⊣(X Y Z)←⍵}g d ⍬  TCTGAT  ATCTGAT  TGCATA  GCATA    ATCTGAT TGCATA        {((1↓X)Y((⊃X),Z)),[.5]X(1↓Y)((⊃Y),Z)⊣(X Y Z)←⍵}g d ⍬  TCTGAT  ATCTGAT  TGCATA  GCATA    ATCTGAT TGCATA  It might be that something else went wrong beforehand, but then I would need more information on how to reproduce the problem. Sometimes )history helps to see what happened before the fault. /// Jürgen On 08/13/2016 08:24 AM, Louis de Forcrand wrote: ... Now on to the bugs:       (g d)←'ATCTGAT' 'TGCATA'       {((1↓X)Y((⊃X),Z)),[¯.5]X(1↓Y)((⊃Y),Z)⊣(X Y Z)←⍵}g d ⍬  TCTGAT  ATCTGAT   TGCATA  GCATA     ATCTGAT TGCATA         {((1↓X)Y((⊃X),Z)),[.5]X(1↓Y)((⊃Y),Z)⊣(X Y Z)←⍵}g d ⍬  TCTGAT  ATCTGAT   TGCATA  GCATA     ATCTGAT TGCATA These should be transposed. ⎕IO ←→ 0, so ,[¯.5] should give a two row, three column matrix. ←———————            -            -            -            ———————→        )SI ⋆⋆   ============================================================================== Assertion failed: idx < items_valid in Function:      operator[] in file:          ./Simple_string.hh:140 Call stack: ---------------------------------------- -- Stack trace at ./Simple_string.hh:140 ---------------------------------------- 0xa @@@@ 0xa  @@@@ 0xa   @@@@ 0xa    @@@@ 0xa     @@@@ 0xa      @@@@ 0xa       @@@@ 0xa        @@@@ 0xa         @@@@ ======================================== SI stack: Depth:      9 Exec:       0x7f98db4177b0 Safe exec:  0 Pmode:    ⍎  (1↓R)((=/0⌷¨V)↓⍵⊃⍨~⍺)((2⊃⍵),1↑R←⍺⊃V) PC:       27 / Stat:     (1↓R)((=/0⌷¨V)↓⍵⊃⍨~⍺)((2⊃⍵),1↑R←⍺⊃V) err_code: 0x50005 thrown:   at Value.cc:1051 e_msg_1:  'INDEX ERROR+' e_msg_2:  '      (1↓R)((=/0⌷¨V)↓⍵⊃⍨∼⍺)((2⊃⍵),1↑R←⍺⊃V)' e_msg_3:  '               ^           ^' Depth:      8 Exec:       0x7f98db41b9f0 Safe exec:  0 Pmode:    ∇  ============================================================================== Assertion failed: idx < items_valid in Function:      operator[] in file:          ./Simple_string.hh:140 Call stack: *** do_Assert() called recursively *** ============================================================================== *** immediate_execution() caught other exception *** I’m sorry I couldn’t include the input preceding that )SI, it's long and very hard to reproduce. I hope this is enough to help :-⌈ ~———~ I’d like to thank you for your very hard work. I don’t know of any other APL which adheres to the standard while being as bug free as yours, and is a one-man project. Let alone all three! Keep in mind everything I suggest is the personal opinion of someone with very little experience with C++ish languages. I’m sure you know better than I do how to shape your APL. After all, you’re the one writing it! Best of luck, Louis