Top Level Namespace

Defined Under Namespace

Modules: FFTW, NMath Classes: NArray, NArrayScalar, NMatrix, NMatrixLU, NVector

Instance Method Summary collapse

Instance Method Details

#__install_rb ⇒ Object 



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# File 'ext/narray/extconf.rb', line 38

alias __install_rb :install_rb

#create_conf_h(file) ⇒ Object 



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# File 'ext/narray/extconf.rb', line 27

def create_conf_h(file)
  print "creating #{file}\n"
  hfile = open(file, "w")
  for line in $defs
    line =~ /^-D(.*)/
    hfile.printf "#define %s 1\n", $1
  end
  hfile.close
end

#have_type(type, header = nil) ⇒ Object 



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# File 'ext/narray/extconf.rb', line 3

def have_type(type, header=nil)
  printf "checking for %s... ", type
  STDOUT.flush
  src = <<"SRC"
#include <ruby.h>
SRC
  unless header.nil?
  src << <<"SRC"
#include <#{header}>
SRC
  end
  r = try_link(src + <<"SRC")
  int main() { return 0; }
  int t() { #{type} a; return 0; }
SRC
  unless r
    print "no\n"
    return false
  end
  $defs.push(format("-DHAVE_%s", type.upcase))
  print "yes\n"
  return true
end

#install_rb(mfile, dest, srcdir = nil) ⇒ Object 



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# File 'ext/narray/extconf.rb', line 39

def install_rb(mfile, dest, srcdir = nil)
  __install_rb(mfile, dest, srcdir)
  archdir = dest.sub(/sitelibdir/,"sitearchdir").sub(/rubylibdir/,"archdir")
  path = ['$(srcdir)/narray.h','narray_config.h']
  path << ['libnarray.a'] if /cygwin|mingw/ =~ RUBY_PLATFORM
  for f in path
    mfile.printf "\t@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0644, true)' %s %s\n", f, archdir
  end
end

#mkfuncs(name, t1, t2, func, idx = ["i"]*3) ⇒ Object 



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# File 'ext/narray/mknafunc.rb', line 111

def mkfuncs(name,t1,t2,func,idx=["i"]*3)

  print "
/* ------------------------- #{name} --------------------------- */\n"
  c  = $type_codes
  td = $data_types
  tr = $real_types

  for i in 0...c.size
    if func[i] != nil && func[i] != "copy"
      if /Insp/ =~ name
        f = func[i].
          gsub(/p2\./,"(*((#{t2[i]}*)p2)).").
          gsub(/\*p1/,"*((#{t1[i]}*)p1)").
          gsub(/\*p2/,"*((#{t2[i]}*)p2)")
      else
        f = func[i].
          gsub(/p1\./,"(*((#{t1[i]}*)(p1+#{idx[0]}*i1))).").
          gsub(/p2\./,"(*((#{t2[i]}*)(p2+#{idx[1]}*i2))).").
          gsub(/p3\./,"(*((#{t2[i]}*)(p3+#{idx[2]}*i3))).").
          gsub(/\*p1/,"*((#{t1[i]}*)(p1+#{idx[0]}*i1))").
          gsub(/\*p2/,"*((#{t2[i]}*)(p2+#{idx[1]}*i2))").
          gsub(/\*p3/,"*((#{t2[i]}*)(p3+#{idx[2]}*i3))").
          gsub(/\(u_int8_t\*\)p3/,"(u_int8_t*)(p3+#{idx[2]}*i3)").
          gsub(/p2;/,'p2+i*i2;')
      end
      f = f.
        gsub(/type1/,td[i]).
        gsub(/typec/,t1[i]).
        gsub(/typef/,tr[i])
      puts $func_body.
	gsub(/type1/,td[i]).
	gsub(/typec/,t1[i]).
	gsub(/typef/,tr[i]).
	gsub(/#name/,name).
	gsub(/OPERATION/,f).
	gsub(/#C/,c[i])
    end
  end

  # Function Array

  print "\nna_func_t #{name}Funcs =\n{ "
  m = []
  for i in 0...c.size
    if func[i] == nil
      m += ['TpErr']
    elsif func[i]=='copy'
      m += ['Set'+c[$data_types.index(t1[i])]+c[i]]
    else
      m += [name+c[i]]
    end
  end
  print m.join(", ")+" };\n"

end

#mkmathfuncs(bsname, func) ⇒ Object 



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# File 'ext/narray/mkmath.rb', line 518

def mkmathfuncs(bsname,func)

  print "
/* ------------------------- #{bsname} --------------------------- */\n"
  c  = $type_codes
  tr = $real_types
  td = $data_types
  name = bsname

  # Function Definition
  head = "static void #{name}#code(void *p1, void *p2)"
  for i in 0...c.size
    if func[i] != nil && func[i]=~/^\{/
      f = func[i].
	gsub(/p1->/,"((#{td[i]}*)p1)->").
	gsub(/p2->/,"((#{td[i]}*)p2)->").
	gsub(/\*p1/,"*(#{td[i]}*)p1").
	gsub(/\*p2/,"*(#{td[i]}*)p2").
	gsub(/typer/, tr[i]).
	gsub(/typed/, td[i])
      puts( (head+f).gsub(/#code/,c[i]) )
    end
  end

  # Function Array

  print "\nna_mathfunc_t #{name}Funcs =\n{ "
  m = []
  for i in 0...c.size
    if func[i] == nil
      m += ['TpErr']
    elsif func[i]=='copy'
      m += ['Set'+c[i]*2]
    elsif !( func[i] =~ /^\{/ )
      m += [func[i]]
    else
      m += [name+c[i]]
    end
  end
  print m.join(", ")+" };\n"

end

#mkpowfuncs(name, funcs) ⇒ Object

Power



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# File 'ext/narray/mkmath.rb', line 595

def mkpowfuncs(name,funcs)

  print "
/* ------------------------- #{name} --------------------------- */\n"
  c  = $type_codes
  n  = $type_codes.size
  td = $data_types
  tr = $real_types

  # Function Definition

  for i in 0...n
    for j in 0...n
      funcs.each do |k|
	if c[i]=~k[0] && c[j]=~k[1]
	  tu = $data_types[$upcast[i][j]]
	  f = k[2].
	    gsub(/p1->/,"((#{tu}*)p1)->").
	    gsub(/p2->/,"((#{td[i]}*)p2)->").
	    gsub(/p3->/,"((#{td[j]}*)p3)->").
	    gsub(/\*p1/,"*(#{tu}*)p1").
	    gsub(/\*p2/,"*(#{td[i]}*)p2").
	    gsub(/\*p3/,"*(#{td[j]}*)p3").
	    gsub(/typed/,td[i]).
            gsub(/typef/,tr[i])
	  puts $func_body.
            gsub(/#t1/,tu).
            gsub(/#t2/,td[i]).
            gsub(/#t3/,td[j]).
	    gsub(/#name/,name).
	    sub(/OPERATION/,f).
	    gsub(/#CC/,c[i]+c[j]).
	    gsub(/#C/, c[i])
	end
      end
    end
  end

  # function pointer array
  print "\nna_setfunc_t "+name+"Funcs = {\n"
  m = []
  for i in 0...n
    l = []
    for j in 0...n
      f = true
      for k in funcs
	if c[i]=~k[0] && c[j]=~k[1]
	  l += [name+c[i]+c[j]]
	  f = false
	  break
	end
      end
      if f
	l += ['TpErr']
      end
    end
    m += ['  { '+l.join(', ')+' }']
  end
  print m.join(",\n")+"\n};\n"

end

#mksetfuncs(name, op, id, funcs) ⇒ Object 



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# File 'ext/narray/mknafunc.rb', line 44

def mksetfuncs(name,op,id,funcs)

  print "
/* ------------------------- #{name} --------------------------- */\n"
  c  = $type_codes
  n  = $type_codes.size
  td = $data_types
  tr = $real_types

  # Function Definition

  for i in 0...n
    for j in 0...n
      funcs.each do |k|
	if c[i]=~k[0] && c[j]=~k[1]
	  #if i==j
	  #  f = "memcpy(p1,p1,sizeof(typed));"
	  #else
	    f = k[2]
	  #end
	  f = f.
	    gsub(/p1\./,"((#{td[i]}*)p1)[i].").
	    gsub(/p2\./,"((#{td[j]}*)p2)[i].").
	    gsub(/\*p1/,"((#{td[i]}*)p1)[i]").
	    gsub(/\*p2/,"((#{td[j]}*)p2)[i]").
	    gsub(/ = /," = (#{tr[i]})").
            gsub(/#id/,id).
            gsub(/#op/,op).
	    gsub(/typed/,td[i]).
            gsub(/typef/,tr[i])
	  puts $func_body.
	    gsub(/typed/,td[i]).
            gsub(/typef/,tr[i]).
	    gsub(/#name/,name).
	    sub(/OPERATION/,f).
	    gsub(/#CC/,c[i]+c[j])
	end
      end
    end
  end

  # function pointer array
  print "\nna_setfunc_t "+name+"Funcs = {\n"
  m = []
  for i in 0...n
    l = []
    for j in 0...n
      f = true
      for k in funcs
	if c[i]=~k[0] && c[j]=~k[1]
	  l += [name+c[i]+c[j]]
	  f = false
	  break
	end
      end
      if f
	l += ['TpErr']
      end
    end
    m += ['  { '+l.join(', ')+' }']
  end
  print m.join(",\n")+"\n};\n"

end

#mksortfuncs(bsname, t1, t2, func) ⇒ Object 



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# File 'ext/narray/mknafunc.rb', line 170

def mksortfuncs(bsname,t1,t2,func)

  print "
/* ------------------------- #{bsname} --------------------------- */\n"
  c  = $type_codes
  tf = $real_types
  name = bsname

  # Function Definition
  head = "static int #{name}#code(const void *p1, const void *p2)"
  for i in 0...c.size
    if func[i] != nil && func[i]=~/^\{/
      f = func[i].
	gsub(/p1->/,"((#{t1[i]}*)p1)->").
	gsub(/p2->/,"((#{t2[i]}*)p2)->").
	gsub(/\*\*p1/,"**(#{t1[i]}**)p1").
	gsub(/\*\*p2/,"**(#{t2[i]}**)p2").
	gsub(/\*p1/,"*(#{t1[i]}*)p1").
	gsub(/\*p2/,"*(#{t2[i]}*)p2").
	gsub(/typef/,tf[i])
      puts( (head+f).gsub(/#code/,c[i]) )
    end
  end

  # Function Array

  print "\nna_sortfunc_t #{name}Funcs =\n{ "
  m = []
  for i in 0...c.size
    if func[i] == nil
      m += ['(int (*)(const void *, const void *))TpErrI']
    elsif func[i]=='copy'
      m += ['Set'+c[i]*2]
    elsif !( func[i] =~ /^\{/ )
      m += [func[i]]
    else
      m += [name+c[i]]
    end
  end
  print m.join(", ")+" };\n"

end