Developer Reference

  • 2020.2
  • 07/15/2020
  • Public Content
Contents

v?Inv

Performs element by element inversion of the vector.

Syntax

call vsinv
(
n
,
a
,
y
)
call vsinvi(n, a, inca, y, incy)
call vmsinv
(
n
,
a
,
y
,
mode
)
call vmsinvi(n, a, inca, y, incy, mode)
call vdinv
(
n
,
a
,
y
)
call vdinvi(n, a, inca, y, incy)
call vmdinv
(
n
,
a
,
y
,
mode
)
call vmdinvi(n, a, inca, y, incy, mode)
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
vdinv
,
vmdinv
REAL
,
INTENT(IN)
for
vsinv
,
vmsinv
DOUBLE PRECISION
,
INTENT(IN)
for
vdinv
,
vmdinv
Array that specifies the input vector
a
.
inca
,
incy
INTEGER, INTENT(IN)
Specifies increments for the elements of
a
and
y
.
mode
INTEGER(KIND=8)
,
INTENT(IN)
Overrides global VM mode setting for this function call. See
vmlSetMode
for possible values and their description.
Output Parameters
Name
Type
Description
y
DOUBLE PRECISION
for
vdinv
,
vmdinv
REAL
,
INTENT(OUT)
for
vsinv
,
vmsinv
DOUBLE PRECISION
,
INTENT(OUT)
for
vdinv
,
vmdinv
Array that specifies the output vector
y
.
Description
The
v?Inv
function performs element by element inversion of the vector.
Special Values for Real Function
v?Inv(x)
Argument
Result
VM Error Status
Exception
+0
+
VML_STATUS_SING
ZERODIVIDE
-0
-
VML_STATUS_SING
ZERODIVIDE
+
+0
 
-
-0
 
QNAN
QNAN
 
SNAN
QNAN