Oracle | UTL

Oracle UTL_NLA Version 21c

General Information

Library Note

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Purpose UTiLity Numerical Linear Algebra: PL/SQL language bindings for the BLAS and LAPACK libraries.

AUTHID DEFINER

Data Types CREATE OR REPLACE TYPE UTL_NLA_ARRAY_DBL is VARRAY(1000000) OF BINARY_DOUBLE; / CREATE OR REPLACE TYPE UTL_NLA_ARRAY_FLT is VARRAY(1000000) OF BINARY_FLOAT; / CREATE OR REPLACE TYPE UTL_NLA_ARRAY_INT is VARRAY(1000000) OF INTEGER; / SUBTYPE scalar_double IS BINARY_DOUBLE NOT NULL; SUBTYPE scalar_float IS BINARY_FLOAT NOT NULL; SUBTYPE flag IS CHAR(1) NOT NULL;

Dependencies

DBMS_STANDARD	SDO_TIN_PKG	UTL_NLA_ARRAY_FLT
NLS_SESSION_PARAMETERS	UTL_MAT_LIB	UTL_NLA_ARRAY_INT
PLITBLM	UTL_NLA_ARRAY_DBL

Documented Yes

First Available 12.1.0

Security Model Owned by SYS with EXECUTE granted to PUBLIC

Source $ORACLE_HOME/rdbms/admin/utlnla.sql

Subprograms

BLAS_ASUM	BLAS_SYMV	LAPACK_GESVD
BLAS_AXPY	BLAS_SYR	LAPACK_GTSV
BLAS_COPY	BLAS_SYR2	LAPACK_PBSV
BLAS_DOT	BLAS_SYR2K	LAPACK_POSV
BLAS_GBMV	BLAS_SYRK	LAPACK_PPSV
BLAS_GEMM	BLAS_TBMV	LAPACK_PTSV
BLAS_GEMV	BLAS_TBSV	LAPACK_SBEV
BLAS_GER	BLAS_TPMV	LAPACK_SBEVD
BLAS_IAMAX	BLAS_TPSV	LAPACK_SPEV
BLAS_NRM2	BLAS_TRMM	LAPACK_SPEVD
BLAS_ROT	BLAS_TRMV	LAPACK_SPSV
BLAS_ROTG	BLAS_TRSM	LAPACK_STEV
BLAS_SBMV	BLAS_TRSV	LAPACK_STEVD
BLAS_SCAL	LAPACK_GBSV	LAPACK_SYEV
BLAS_SPMV	LAPACK_GEES	LAPACK_SYEVD
BLAS_SPR	LAPACK_GEEV	LAPACK_SYSV
BLAS_SPR2	LAPACK_GELS	UNIT_TEST_BLAS
BLAS_SWAP	LAPACK_GESDD	UNIT_TEST_LAPACK
BLAS_SYMM	LAPACK_GESV

BLAS_AXPY

Copies alpha*X + Y into vector Y

Overload 1 utl_nla.blas_axpy( n IN POSITIVEN, alpha IN scalar_double, x IN utl_nla_array_dbl, incx IN POSITIVEN, y IN OUT utl_nla_array_dbl, incy IN POSITIVEN);

TBD

Overload 2 utl_nla.blas_axpy( n IN POSITIVEN, alpha IN scalar_float, x IN utl_nla_array_flt, incx IN POSITIVEN, y IN OUT utl_nla_array_flt, incy IN POSITIVEN);

TBD

BLAS_COPY

Copies the contents of vector X to vector Y

Overload 1 utl_nla.blas_copy( n IN POSITIVEN, x IN utl_nla_array_dbl, incx IN POSITIVEN, y IN OUT utl_nla_array_dbl, incy IN POSITIVEN);

TBD

Overload 2 utl_nla.blas_copy( n IN POSITIVEN, x IN OUT utl_nla_array_flt, incx IN POSITIVEN, y IN OUT utl_nla_array_flt, incy IN POSITIVEN);

TBD

BLAS_DOT

Returns the dot (scalar) product of two vectors X and Y

Overload 1 utl_nla.blas_dot( n IN POSITIVEN, x IN utl_nla_array_dbl, incx IN POSITIVEN, y IN utl_nla_array_dbl, incy IN POSITIVEN) RETURN BINARY_DOUBLE;

TBD

Overload 2 utl_nla.blas_dot( n IN POSITIVEN, x IN UTL_NLA_ARRAY_FLT, incx IN POSITIVEN, y IN UTL_NLA_ARRAY_FLT, incy IN POSITIVEN) RETURN BINARY_FLOAT;

TBD

BLAS_SCAL

Scales a vector by a constant

Overload 1 utl_nla.blas_scal( n IN POSITIVEN, alpha IN scalar_double, x IN OUT utl_nla_array_dbl, incx IN POSITIVEN);

TBD

Overload 2 utl_nla.blas_scal( n IN POSITIVEN, alpha IN scalar_float, x IN OUT utl_nla_array_flt, incx IN POSITIVEN);

TBD

BLAS_SWAP

Swaps the contents of two vectors each of size n

Overload 1 utl_nla.blas_swap( n IN POSITIVEN, x IN OUT utl_nla_array_dbl, incx IN POSITIVEN, y IN OUT utl_nla_array_dbl, incy IN POSITIVEN);

TBD

Overload 2 utl_nla.blas_swap( n IN POSITIVEN, x IN OUT utl_nla_array_flt, incx IN POSITIVEN, y IN OUT utl_nla_array_flt, incy IN POSITIVEN);

TBD

UNIT_TEST_BLAS

Undocumented utl_nla.unit_test_blas;

exec utl_nla.unit_test_blas;

UNIT_TEST_LAPACK

Undocumented utl_nla.unit_test_lapack;

exec utl_nla.unit_test_lapack;