v?Pack

Developer Reference for Intel® oneAPI Math Kernel Library for Fortran

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ID 766686

Date 10/31/2024

Version

Public

Visible to Intel only — GUID: GUID-33052860-6D6C-47B3-B926-E826356B3560

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v?Pack

Copies elements of an array with specified indexing to a vector with unit increment.

Syntax

call vspacki( n, a, inca, y )

call vspackv( n, a, ia, y )

call vspackm( n, a, ma, y )

call vdpacki( n, a, inca, y )

call vdpackv( n, a, ia, y )

call vdpackm( n, a, ma, y )

call vcpacki( n, a, inca, y )

call vcpackv( n, a, ia, y )

call vcpackm( n, a, ma, y )

call vzpacki( n, a, inca, y )

call vzpackv( n, a, ia, y )

call vzpackm( n, a, ma, y )

Include Files

mkl_vml.f90

Input Parameters

Name	Type	Description
n	INTEGER, INTENT(IN)	Specifies the number of elements to be calculated.
a	DOUBLE PRECISION for vdpacki, vdpackv, vdpackm COMPLEX for vcpacki, vcpackv, vcpackm DOUBLE COMPLEX for vzpacki, vzpackv, vzpackm REAL, INTENT(IN) for vspacki, vspackv, vspackm DOUBLE PRECISION, INTENT(IN) for vdpacki, vdpackv, vdpackm COMPLEX, INTENT(IN) for vcpacki, vcpackv, vcpackm DOUBLE COMPLEX, INTENT(IN) for vzpacki, vzpackv, vzpackm	Array, DIMENSION at least`(1 + (n-1)*inca)` for v?packi, Array, DIMENSION at least `max( n,max(ia[j]) ), j=0, …, n-1` for v?packv, Array, DIMENSION at least `n` for v?packm. Specifies the input vector a.
inca	INTEGER, INTENT(IN) for vspacki, vdpacki, vcpacki, vzpacki	Specifies the increment for the elements of `a`.
ia	FORTRAN 77: INTEGER for vspackv, vdpackv, vcpackv, vzpackv INTEGER, INTENT(IN) for vspackv, vdpackv, vcpackv, vzpackv	Array, DIMENSION at least `n`. Specifies the index vector for the elements of `a`.
ma	FORTRAN 77: INTEGER for vspackm, vdpackm, vcpackm, vzpackm Fortran 90: INTEGER, INTENT(IN) for vspackm, vdpackm, vcpackm, vzpackm	Array, DIMENSION at least `n`, Specifies the mask vector for the elements of `a`.

Output Parameters

Name	Type	Description
y	DOUBLE PRECISION for vdpacki, vdpackv, vdpackm COMPLEX for vcpacki, vcpackv, vcpackm DOUBLE COMPLEX for vzpacki, vzpackv, vzpackm REAL, INTENT(OUT) for vspacki, vspackv, vspackm DOUBLE PRECISION, INTENT(OUT) for vdpacki, vdpackv, vdpackm COMPLEX, INTENT(OUT) for vcpacki, vcpackv, vcpackm DOUBLE COMPLEX, INTENT(OUT) for vzpacki, vzpackv, vzpackm	Array, DIMENSION at least n. Specifies the output vector y.

Name

Type

Description

DOUBLE PRECISION for vdpacki, vdpackv, vdpackm

COMPLEX for vcpacki, vcpackv, vcpackm

DOUBLE COMPLEX for vzpacki, vzpackv, vzpackm

REAL, INTENT(OUT) for vspacki, vspackv, vspackm

DOUBLE PRECISION, INTENT(OUT) for vdpacki, vdpackv, vdpackm

COMPLEX, INTENT(OUT) for vcpacki, vcpackv, vcpackm

DOUBLE COMPLEX, INTENT(OUT) for vzpacki, vzpackv, vzpackm

Array, DIMENSION at least n. Specifies the output vector y.

Parent topic: VM Pack/Unpack Functions

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Developer Reference for Intel® oneAPI Math Kernel Library for Fortran

v?Pack

Syntax

Include Files

Input Parameters

Output Parameters