Class: NArray

Inherits:
Object
  • Object
show all
Defined in:
lib/numru/gphys/narray_ext.rb,
lib/numru/ganalysis/narray_ext.rb,
lib/numru/gdir_connect_ftp-like.rb

Constant Summary collapse

@@dump_size_limit =

max len to allow dump / no limit if negative

-1  # max len to allow dump / no limit if negative

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

._load(o) ⇒ Object 



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# File 'lib/numru/gphys/narray_ext.rb', line 26

def self._load(str)
  ary = Marshal.load(str)
  typecode, shape, endian, str = ary
  na = NArray.to_na(str, typecode, *shape)
  na = na.swap_byte unless endian == NArray.endian
  return na
end

.dump_size_limit ⇒ Object 



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# File 'lib/numru/gphys/narray_ext.rb', line 9

def self.dump_size_limit
  @@dump_size_limit
end

.dump_size_limit=(lmt) ⇒ Object 



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# File 'lib/numru/gphys/narray_ext.rb', line 6

def self.dump_size_limit=(lmt)
  @@dump_size_limit = lmt
end

.endian ⇒ Object 



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# File 'lib/numru/gphys/narray_ext.rb', line 13

def self.endian
  NArray[1].to_s[1] == 1 ? :little : :big
end

Instance Method Details

#_dump(limit) ⇒ Object 



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# File 'lib/numru/gphys/narray_ext.rb', line 17

def _dump(limit)
  if (@@dump_size_limit <= 0) || (size <= @@dump_size_limit)
    Marshal.dump([typecode, shape, NArray.endian, to_s])
  else
    raise "size of the NArray (#{size}) is too large to dump "+
          "(limit: #{DUMP_SIZE_LIMIT})"
  end
end

#cum_sum(dim) ⇒ Object 



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# File 'lib/numru/ganalysis/narray_ext.rb', line 5

def cum_sum(dim)
  case self.typecode
  when DFLOAT
    NumRu::NArrayExt.cum_sum_dfloat(self,dim)
  else
    raise "Sorry, this narray type #{self.typecode} is not supported."
  end
end