| General Information |
| Purpose |
UTiLity Numerical Linear Algebra: PL/SQL language bindings for the BLAS and LAPACK libraries. |
| Source |
$ORACLE_HOME/rdbms/admin/utlnla.sql |
| Dependencies |
| PLITBLM |
UTL_NLA_ARRAY_DBL |
UTL_NLA_ARRAY_INT |
| UTL_MAT_LIB |
UTL_NLA_ARRAY_FLT |
|
|
| 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; |
| Security Model |
Execute is granted to PUBLIC |
| Subprograms |
|
| |
| 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; |
