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[diderot] Diff of /trunk/src/compiler/fields/image-info.sml
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Diff of /trunk/src/compiler/fields/image-info.sml

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revision 135, Fri Jul 2 21:57:47 2010 UTC revision 165, Wed Jul 21 15:20:53 2010 UTC
# Line 8  Line 8 
8    
9  structure ImageInfo : sig  structure ImageInfo : sig
10    
11      type info = {      datatype info = ImgInfo of {
12                id : OS.FileSys.file_id,            (* ID of image file *)
13              dim : int,                          (* dimension of space *)              dim : int,                          (* dimension of space *)
14              ty : RawTypes.ty,                   (* types of scalar samples *)              ty : RawTypes.ty,                   (* types of scalar samples *)
15              origin : FloatLit.float list,       (* center of first sample *)              origin : FloatLit.float list,       (* center of first sample *)
16              sizes : int list                    (* number of samples along each axis *)              sizes : int list                    (* number of samples along each axis *)
17            }            }
18    
19      (* are the underlying files the same? *)
20        val same : info * info -> bool
21    
22      (* hash value (based on image file ID) *)
23        val hash : info -> word
24    
25      (* get image info from a Nrrd file *)
26      val getInfo : string -> info      val getInfo : string -> info
27    
28    end = struct    end = struct
29    
30      type info = {      datatype info = ImgInfo of {
31                id : OS.FileSys.file_id,            (* ID of image file *)
32              dim : int,                          (* dimension of space *)              dim : int,                          (* dimension of space *)
33              ty : RawTypes.ty,                   (* types of scalar samples *)              ty : RawTypes.ty,                   (* types of scalar samples *)
34              origin : FloatLit.float list,       (* center of first sample *)              origin : FloatLit.float list,       (* center of first sample *)
35              sizes : int list                    (* number of samples along each axis *)              sizes : int list                    (* number of samples along each axis *)
36            }            }
37    
38        fun same (ImgInfo{id=a, ...}, ImgInfo{id=b, ...}) = (a = b)
39    
40        fun hash (ImgInfo{id, ...}) = OS.FileSys.hash id
41    
42      fun getInfo fileName = let      fun getInfo fileName = let
43            val {version, header} = RunDNorm.run fileName            val {version, header} = RunDNorm.run fileName
44            in            in

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