File: sci_repmat.sci

package info (click to toggle)
scilab 4.0-12
  • links: PTS
  • area: non-free
  • in suites: etch, etch-m68k
  • size: 100,640 kB
  • ctags: 57,333
  • sloc: ansic: 377,889; fortran: 242,862; xml: 179,819; tcl: 42,062; sh: 10,593; ml: 9,441; makefile: 4,377; cpp: 1,354; java: 621; csh: 260; yacc: 247; perl: 130; lex: 126; asm: 72; lisp: 30
file content (143 lines) | stat: -rw-r--r-- 3,498 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
function [tree]=sci_repmat(tree)
// Copyright INRIA
// M2SCI function
// Conversion function for Matlab repmat()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// Emulation function: mtlb_repmat()
// V.C.

// repmat(A,m)
if rhs==2 then
  [A,m] = getrhs(tree)
  if is_complex(m) then
    m=Funcall("real",1,list(m),list(Variable("",m.infer)))
  elseif ~is_real(m) then
    newm=Funcall("real",1,list(m),list(Variable("",m.infer)))
    repl_poss(newm,m,m,"is Real");
    m=newm
  end
  vtype=A.vtype
  if A.vtype==Unknown then
    tree.name="mtlb_repmat"
    if typeof(m)=="cste" then
      for kd=1:lstsize(A.dims)
	tree.lhs(1).dims(kd)=A.dims(kd)*m.value
	if tree.lhs(1).dims(kd)<0 then
	  tree.lhs(1).dims(kd)=Unknown
	end
      end
    end
    tree.lhs(1).vtype=A.vtype
    return
  elseif A.vtype==Boolean then
    A=convert2double(A)
  elseif A.vtype==String then
    A=convert2double(A)
  end
  
  // repmat(A,m) equivalent to repmat(A,m,m)
  if is_a_scalar(m) then 
    tree.rhs=list(m,m);
    tree.name="ones";
    tree=Operation(".*.",list(tree,A),tree.lhs)

    if typeof(m)=="cste" then
      tree.out(1).dims=A.dims
      for kd=1:2
	tree.out(1).dims(kd)=A.dims(kd)*m.value
	if tree.out(1).dims(kd)<0 then
	  tree.out(1).dims(kd)=Unknown
	end
      end
    end
    tree.out(1).type=Type(A.vtype,A.property)
  // repmat(A,[m,n,...])
  elseif not_a_scalar(m)
    tmp=m
    if typeof(m)<>"variable" then
      tmp=gettempvar()
      insert(Equal(list(tmp),m))
    end
    newrhs=list()
    for k=1:size(m.dims)
      newrhs(k)=Operation("ext",list(tmp,Cste(k)),list())
    end
    tree.rhs=newrhs;
    tree.name="ones";
    tree=Operation(".*.",list(tree,A),tree.lhs)
    
    tree.out(1).type=Type(Double,A.property)
  // repmat(A,m) or repmat(A,[m,n,...])
  else 
    tree.name="mtlb_repmat"
    tree.lhs(1).type=Type(A.vtype,A.property)
    if or(vtype==[String,Boolean]) then
      tree.lhs(1).type=Type(vtype,A.property)
    end
    return
  end
// repmat(A,m,n)
else
  [A,m,n] = getrhs(tree)
  if is_complex(m) then
    m=Funcall("real",1,list(m),list(Variable("",m.infer)))
  elseif ~is_real(m) then
    newm=Funcall("real",1,list(m),list(Variable("",m.infer)))
    repl_poss(newm,m,m,"is Real");
    m=newm
  end
  if is_complex(n) then
    n=Funcall("real",1,list(n),list(Variable("",n.infer)))
  elseif ~is_real(n) then
    newn=Funcall("real",1,list(n),list(Variable("",n.infer)))
    repl_poss(newn,n,n,"is Real");
    n=newn
  end
  vtype=A.vtype
  if A.vtype==Unknown then
    tree.name="mtlb_repmat"
    if is_a_scalar(A) & typeof(m)=="cste" then
      tree.lhs(1).dims(1)=m.value
    end
    if is_a_scalar(A) & typeof(n)=="cste" then
      tree.lhs(1).dims(2)=n.value
    end
    tree.lhs(1).vtype=A.vtype
    return
  elseif A.vtype==Boolean then
    A=convert2double(A)
  elseif A.vtype==String then
    A=convert2double(A)
  end
  tree.rhs=Rhs(m,n)
  tree.name="ones";
  tree=Operation(".*.",list(tree,A),tree.lhs)

  if typeof(m)=="cste" & typeof(n)=="cste" then
    tree.out(1).dims=A.dims
    tree.out(1).dims(1)=A.dims(1)*m.value
    if tree.out(1).dims(1)<0 then
      tree.out(1).dims(1)=Unknown
    end
    tree.out(1).dims(2)=A.dims(2)*n.value
    if tree.out(1).dims(2)<0 then
      tree.out(1).dims(2)=Unknown
    end
  end
end

if vtype==String then
  tree=Funcall("asciimat",1,list(tree),tree.out);
  tree.lhs(1).type=Type(String,Real)
elseif vtype==Boolean then
  tree.out(1).type=Type(Boolean,Real)
end

endfunction