Package org.ejml.dense.block

Class MatrixMult_FDRB

  • public class MatrixMult_FDRB
extends java.lang.Object

    Matrix multiplication for FMatrixRBlock. All sub-matrices must be block aligned.

    • Constructor Summary

      Constructors 
      Constructor Description
      MatrixMult_FDRB()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void mult​(int blockLength, org.ejml.data.FSubmatrixD1 A, org.ejml.data.FSubmatrixD1 B, org.ejml.data.FSubmatrixD1 C)
      Performs a matrix multiplication on FMatrixRBlock submatrices.

      c = a * b

      static void multMinus​(int blockLength, org.ejml.data.FSubmatrixD1 A, org.ejml.data.FSubmatrixD1 B, org.ejml.data.FSubmatrixD1 C)
      Performs a matrix multiplication on FMatrixRBlock submatrices.

      c = c - a * b

      static void multMinusTransA​(int blockLength, org.ejml.data.FSubmatrixD1 A, org.ejml.data.FSubmatrixD1 B, org.ejml.data.FSubmatrixD1 C)  
      static void multPlus​(int blockLength, org.ejml.data.FSubmatrixD1 A, org.ejml.data.FSubmatrixD1 B, org.ejml.data.FSubmatrixD1 C)
      Performs a matrix multiplication on FMatrixRBlock submatrices.

      c = c + a * b

      static void multPlusTransA​(int blockLength, org.ejml.data.FSubmatrixD1 A, org.ejml.data.FSubmatrixD1 B, org.ejml.data.FSubmatrixD1 C)  
      static void multTransA​(int blockLength, org.ejml.data.FSubmatrixD1 A, org.ejml.data.FSubmatrixD1 B, org.ejml.data.FSubmatrixD1 C)
      Performs a matrix multiplication with a transpose on FMatrixRBlock submatrices.

      c = aT * b

      static void multTransB​(int blockLength, org.ejml.data.FSubmatrixD1 A, org.ejml.data.FSubmatrixD1 B, org.ejml.data.FSubmatrixD1 C)
      Performs a matrix multiplication with a transpose on FMatrixRBlock submatrices.

      c = a * b T

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • MatrixMult_FDRB

        public MatrixMult_FDRB()

    • Method Detail

      • mult

        public static void mult​(int blockLength,
                        org.ejml.data.FSubmatrixD1 A,
                        org.ejml.data.FSubmatrixD1 B,
                        org.ejml.data.FSubmatrixD1 C)

        Performs a matrix multiplication on FMatrixRBlock submatrices.

        c = a * b

        It is assumed that all submatrices start at the beginning of a block and end at the end of a block.

        Parameters:
        blockLength - Size of the blocks in the submatrix.
        A - A submatrix. Not modified.
        B - A submatrix. Not modified.
        C - Result of the operation. Modified,

      • multPlus

        public static void multPlus​(int blockLength,
                            org.ejml.data.FSubmatrixD1 A,
                            org.ejml.data.FSubmatrixD1 B,
                            org.ejml.data.FSubmatrixD1 C)

        Performs a matrix multiplication on FMatrixRBlock submatrices.

        c = c + a * b

        It is assumed that all submatrices start at the beginning of a block and end at the end of a block.

        Parameters:
        blockLength - Size of the blocks in the submatrix.
        A - A submatrix. Not modified.
        B - A submatrix. Not modified.
        C - Result of the operation. Modified,

      • multMinus

        public static void multMinus​(int blockLength,
                             org.ejml.data.FSubmatrixD1 A,
                             org.ejml.data.FSubmatrixD1 B,
                             org.ejml.data.FSubmatrixD1 C)

        Performs a matrix multiplication on FMatrixRBlock submatrices.

        c = c - a * b

        It is assumed that all submatrices start at the beginning of a block and end at the end of a block.

        Parameters:
        blockLength - Size of the blocks in the submatrix.
        A - A submatrix. Not modified.
        B - A submatrix. Not modified.
        C - Result of the operation. Modified,

      • multTransA

        public static void multTransA​(int blockLength,
                              org.ejml.data.FSubmatrixD1 A,
                              org.ejml.data.FSubmatrixD1 B,
                              org.ejml.data.FSubmatrixD1 C)

        Performs a matrix multiplication with a transpose on FMatrixRBlock submatrices.

        c = aT * b

        It is assumed that all submatrices start at the beginning of a block and end at the end of a block.

        Parameters:
        blockLength - Size of the blocks in the submatrix.
        A - A submatrix. Not modified.
        B - A submatrix. Not modified.
        C - Result of the operation. Modified,

      • multPlusTransA

        public static void multPlusTransA​(int blockLength,
                                  org.ejml.data.FSubmatrixD1 A,
                                  org.ejml.data.FSubmatrixD1 B,
                                  org.ejml.data.FSubmatrixD1 C)

      • multMinusTransA

        public static void multMinusTransA​(int blockLength,
                                   org.ejml.data.FSubmatrixD1 A,
                                   org.ejml.data.FSubmatrixD1 B,
                                   org.ejml.data.FSubmatrixD1 C)

      • multTransB

        public static void multTransB​(int blockLength,
                              org.ejml.data.FSubmatrixD1 A,
                              org.ejml.data.FSubmatrixD1 B,
                              org.ejml.data.FSubmatrixD1 C)

        Performs a matrix multiplication with a transpose on FMatrixRBlock submatrices.

        c = a * b T

        It is assumed that all submatrices start at the beginning of a block and end at the end of a block.

        Parameters:
        blockLength - Length of the blocks in the submatrix.
        A - A submatrix. Not modified.
        B - A submatrix. Not modified.
        C - Result of the operation. Modified,