Dan Bron wrote:
>I am not convinced it is possible to map a headerless boxed array
(i.e. whether (32;...) map_jmf_ ... can work) .
Using D =. ": displays my problem more clearly.
The byte representation of a simple floating point array is written to file.
No boxed data is involved.
It is values such as 1.6976e_313 that are wrong.
The phrase 0"0 should have been 0"_
unmapall_jmf_''
D =: ":
D p=.12.34 98.76(0 8"_)} 10000+i.3 4
12.34 10001 10002 10003
10004 10005 10006 10007
98.76 10009 10010 10011
'test.x' (1!:2<)~ 3!:1 p
D 3!:2 [1!:1<'test.x'
12.34 10001 10002 10003
10004 10005 10006 10007
98.76 10009 10010 10011
((3!:0 p);}.$p) map_jmf_'data';'test.x'
D data
1.6976e_313 4.24399e_314 8.48798e_314 12.34
10001 10002 10003 10004
10005 10006 10007 98.76
D data =: p a:}data
12.34 10001 10002 10003
10004 10005 10006 10007
98.76 10009 10010 10011
unmapall_jmf_''
0
((3!:0 p);}.$p) map_jmf_'data';'test.x'
D data
12.34 10001 10002 10003
10004 10005 10006 10007
98.76 10009 10010 10011
unmapall_jmf_''
0
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