Developer Reference

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

v?CIS

Computes complex exponent of real vector elements (cosine and sine of real vector elements combined to complex value).

Syntax

call vccis
(
n
,
a
,
y
)
call vccisi(n, a, inca, y, incy)
call vmccis
(
n
,
a
,
y
,
mode
)
call vmccisi(n, a, inca, y, incy, mode)
call vzcis
(
n
,
a
,
y
)
call vzcisi(n, a, inca, y, incy)
call vmzcis
(
n
,
a
,
y
,
mode
)
call vmzcisi(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
vzcis
,
vmzcis
REAL
,
INTENT(IN)
for
vccis
,
vmccis
DOUBLE PRECISION
,
INTENT(IN)
for
vzcis
,
vmzcis
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 COMPLEX
for
vzcis
,
vmzcis
COMPLEX
,
INTENT(OUT)
for
vccis
,
vmccis
DOUBLE COMPLEX
,
INTENT(OUT)
for
vzcis
,
vmzcis
Array that specifies the output vector
y
.
Description
The
v?CIS
function computes complex exponent of real vector elements (cosine and sine of real vector elements combined to complex value).
See Special Value Notations for the conventions used in the table below.
Special Values for Complex Function
v?CIS(x)
x
CIS(x)
+
QNAN+i
·
QNAN
INVALID
+ 0
+1+i
·
0
- 0
+1-i
·
0
-
QNAN+i
·
QNAN
INVALID
NAN
QNAN+i
·
QNAN
Notes:
  • raises
    INVALID
    exception when the argument is
    SNAN
  • raises
    INVALID
    exception and sets the VM Error Status to
    VML_STATUS_ERRDOM
    for
    x=+
    ,
    x=-