Class: VectorSSE::Mat

Inherits:
Object
  • Object
show all
Defined in:
lib/vector_sse.rb

Constant Summary collapse

MIN_ROW_COL_COUNT = 
1

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type, rows, cols, data = nil) ⇒ Mat

Returns a new instance of Mat.



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# File 'lib/vector_sse.rb', line 62

def initialize( type, rows, cols, data=nil )

   if VectorSSE::valid_type( type )
      @type = type
   else
      raise ArgumentError.new( "invalid SSE matrix type for argument 0" )
   end

   if rows < MIN_ROW_COL_COUNT
      raise ArgumentError.new( "row count must be greater than zero for argument 1" )
   end

   if cols < MIN_ROW_COL_COUNT
      raise ArgumentError.new( "column count must be greater than zero for argument 2" )
   end

   if data && ( data.class != ::Array )
      raise ArgumentError.new( "expected value of type Array for argument 3" )
   end

   @rows = rows
   @cols = cols
   @linear_size = @rows * @cols

   @data = ::Array.new( @linear_size, 0 )

   fill( data ) if data
end

Instance Attribute Details

#cols ⇒ Object (readonly)

Returns the value of attribute cols.



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# File 'lib/vector_sse.rb', line 60

def cols
  @cols
end

#rows ⇒ Object (readonly)

Returns the value of attribute rows.



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# File 'lib/vector_sse.rb', line 59

def rows
  @rows
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/vector_sse.rb', line 58

def type
  @type
end

Instance Method Details

#*(other) ⇒ Object 



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# File 'lib/vector_sse.rb', line 137

def *( other )

   scalar_mul = false

   if [ Fixnum, Float ].include? other.class

      scalar_mul = true
      scalar_value = other
      other = Mat.new( @type, @rows, @cols )
      other.data.replace( ::Array.new( @linear_size, scalar_value ) )

   elsif other.class == self.class

      if @cols != other.rows
         raise "invalid matrix dimensions"
      end

   else
      raise ArgumentError.new(
         "expected argument of type #{self.class} for argument 0" )
   end
   

   result = Mat.new( @type, @rows, other.cols )

   case @type
   when Type::S32
      if scalar_mul
         result.data.replace( VectorSSE::vec_mul_s32( self.data, other.data ) )
      else
         result.data.replace( VectorSSE::mul_s32(
            @data, @rows, @cols, other.data, other.rows, other.cols ) )
      end
   when Type::S64
      if scalar_mul
         result.data.replace( VectorSSE::vec_mul_s32( self.data, other.data ) )
      else
         result.data.replace( VectorSSE::mul_s64(
            @data, @rows, @cols, other.data, other.rows, other.cols ) )
      end
   when Type::F32
      if scalar_mul
         result.data.replace( VectorSSE::vec_mul_f32( self.data, other.data ) )
      else
         result.data.replace( VectorSSE::mul_f32(
            @data, @rows, @cols, other.data, other.rows, other.cols ) )
      end
   when Type::F64
      if scalar_mul
         result.data.replace( VectorSSE::vec_mul_f64( self.data, other.data ) )
      else
         result.data.replace( VectorSSE::mul_f64(
            @data, @rows, @cols, other.data, other.rows, other.cols ) )
      end
   end

   result
end

#+(other) ⇒ Object 



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# File 'lib/vector_sse.rb', line 196

def +( other )

   if [ Fixnum, Float ].include? other.class

      scalar_value = other
      other = Mat.new( @type, @rows, @cols )
      other.data.replace( ::Array.new( @linear_size, scalar_value ) )

   elsif other.class == self.class

      if ( @rows != other.rows ) || ( @cols != other.cols )
         raise ArgumentError.new(
            "matrix addition requires operands of equal size")
      end

   else

      raise ArgumentError.new(
         "expect argument of type #{self.class}, Fixnum, or Float for argument 0" )

   end

   result = Mat.new( @type, @rows, @cols )

   case @type
   when Type::S32
      result.data.replace( VectorSSE::add_s32( self.data, other.data ) )
   when Type::S64
      result.data.replace( VectorSSE::add_s64( self.data, other.data ) )
   when Type::F32
      result.data.replace( VectorSSE::add_f32( self.data, other.data ) )
   when Type::F64
      result.data.replace( VectorSSE::add_f64( self.data, other.data ) )
   end

   result
end

#-(other) ⇒ Object 



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# File 'lib/vector_sse.rb', line 234

def -( other )

   if [ Fixnum, Float ].include? other.class

      scalar_value = other
      other = Mat.new( @type, @rows, @cols )
      other.data = ::Array.new( @linear_size, scalar_value )

   elsif other.class == self.class

      if ( @rows != other.rows ) || ( @cols != other.cols )
         raise ArgumentError.new(
            "matrix subtraction requires operands of equal size")
      end

   else

      raise ArgumentError.new(
         "expect argument of type #{self.class}, Fixnum, or Float for argument 0" )

   end

   result = Mat.new( @type, @rows, @cols )

   case @type
   when Type::S32
      result.data.replace( VectorSSE::sub_s32( self.data, other.data ) )
   when Type::S64
      result.data.replace( VectorSSE::sub_s64( self.data, other.data ) )
   when Type::F32
      result.data.replace( VectorSSE::sub_f32( self.data, other.data ) )
   when Type::F64
      result.data.replace( VectorSSE::sub_f64( self.data, other.data ) )
   end

   result
end

#[](pos) ⇒ Object 



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# File 'lib/vector_sse.rb', line 114

def []( pos )
   valid_linear_index( pos )
   @data[ pos ]
end

#[]=(pos, val) ⇒ Object 



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# File 'lib/vector_sse.rb', line 119

def []=( pos, val )
   valid_linear_index( pos )
   valid_data_type( val )
   @data[ pos ] = val
end

#at(row, col) ⇒ Object 



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# File 'lib/vector_sse.rb', line 91

def at( row, col )
   valid_row_col( row, col )
   @data[ linear_index( row, col ) ]
end

#fill(data) ⇒ Object 



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# File 'lib/vector_sse.rb', line 102

def fill( data )
   if data.length != @rows * @cols
      raise ArgumentError.new( "size does not match matrix size" )
   end

   data.each do |value|
      valid_data_type( value )
   end

   @data = data
end

#reshape(rows, cols) ⇒ Object 



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# File 'lib/vector_sse.rb', line 276

def reshape( rows, cols )
   raise "unimplemented"
end

#set(row, col, val) ⇒ Object 



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# File 'lib/vector_sse.rb', line 96

def set( row, col, val )
   valid_row_col( row, col )
   valid_data_type( val )
   @data[ linear_index( row, col ) ] = val
end

#to_s ⇒ Object 



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# File 'lib/vector_sse.rb', line 125

def to_s
   text = ""
   @rows.times do |r|
      vals = []
      @cols.times do |c|
         vals << @data[r*@cols + c]
      end
      text << "|#{vals.join(' ')}|\n"
   end
   text
end

#transpose ⇒ Object 



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# File 'lib/vector_sse.rb', line 272

def transpose
   raise "unimplemented"
end