Using MegaPov 0.4, 0.6a or Pov3.1g, all DOS versions, and Win98SE I
get a scrolling screenfull of this stuff:

>Page fault at eip=0010ecd1, error=0004
>eax=00012ee4 ebx=00000000 ecx=00000000 edx=001bd11c esi=00000000
edi=0000000e
>ebp=0013d9e4 esp=0013d9d0 program=Exiting due to signal SIGSEGV
>Page fault at eip=0010ecd1, error=0004
>eax=00012ee4 ebx=00000000 ecx=00000000 edx=001bd11c esi=00000000
edi=0000000e
>ebp=0013d89c esp=0013d888 program=Exiting due to signal SIGSEGV

However, it seems dependant on how you invoke pov, (bat file or cmd
line for example) and what you've done previously. Consecutive runs
give identical results. Other runs, using +GA, gave consecutive:

>ANaN
>B = 0.00000000000000000000
>C = 0.00000000000000000000
>D = 0.00000000000000000000

or

>light_source {<1,2,3>, color 1}
>#declare Q = array[4][4] {
>   {<1.6,2.5,6.1>, <2.4,0.0,0.0>, <0.2,4.7,6.3>, <2.4,2.5,5.5>,},
>   {<4.3,8.0,5.0>, 0, <----ERROR
>
>tmpm.pov:33: error: Attempted to redefine vector identifier as float
identifier.
(tmpm.pov was your post with non-pov stuff commented out.)

It will also give correct results in a run.

Alf

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