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  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2005-01-09 22:58:21 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20050109225821-473xr8vhgugxxx5j
Tags: 3.0-12
http://bugs.debian.org/255869
changed configure.in to build scilab's own malloc.o, closes: #255869

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macros/m2sci/sci_files/sci_log2.sci
 
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function [tree]=sci_log2(tree)
 
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// Copyright INRIA
 
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// M2SCI function
 
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// Conversion function for Matlab log2()
 
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// Input: tree = Matlab funcall tree
 
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// Ouput: tree = Scilab equivalent for tree
 
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// V.C.
 
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// %c_log2/%c_frexp and %b_log2/%b_frexp are not defined in Scilab
 
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X = getrhs(tree)
 
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X = convert2double(X)
 
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tree.rhs=Rhs(X)
 
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// Y = log2(X)
 
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if lhs==1 then
 
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  tree.lhs(1).infer=X.infer
 
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// [F,E] = log2(X)
 
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else
 
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  if is_complex(X) then
 
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    X = Funcall("real",1,list(X),list(Variable("",X.infer)))
 
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  elseif ~is_real(X) then
 
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    newX = Funcall("real",1,list(X),list(Variable("",X.infer)))
 
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    repl_poss(newX,X,X,"is real");
 
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    X=newX
 
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  end
 
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  tree.rhs=Rhs(X)
 
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  tree.name="frexp"
 
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  tree.lhs(1).dims=X.dims
 
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  tree.lhs(1).type=Type(Double,Real)
 
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end
 
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endfunction