psb_gediv -- Entrywise Division

This function computes the entrywise division between two vectors $x$ and $y$

$$/ \leftarrow x(i)/y(i).$$

psb_gediv(x, y, desc_a, info, [flag)

Table 15: Data types

$/$, $x$, $y$	Function
Short Precision Real	psb_gediv
Long Precision Real	psb_gediv
Short Precision Complex	psb_gediv
Long Precision Complex	psb_gediv

Type:

Synchronous.

On Entry

x

the local portion of global dense vector $x$.
Scope: local
Type: required
Intent: in.
Specified as: an object of type vdatapsb_T_vect_type containing numbers of type specified in Table 2.

y

the local portion of global dense vector $y$.
Scope: local
Type: required
Intent: in.
Specified as: an object of type vdatapsb_T_vect_type containing numbers of type specified in Table 2.

desc_a

contains data structures for communications.
Scope: local
Type: required
Intent: in.
Specified as: an object of type descdatapsb_desc_type.

flag

check if any of the $y(i) = 0$, and in case returns error halting the computation.
Scope: local
Type: optional Intent: in.
Specified as: the logical value flag=.true.

On Return

x

the local portion of result submatrix $x$.
Scope: local
Type: required
Intent: inout.
Specified as: an object of type vdatapsb_T_vect_type containing numbers of the type indicated in Table 14.

info

Error code.
Scope: local
Type: required
Intent: out.
An integer value; 0 means no error has been detected.