Visible to Intel only — GUID: GUID-650B1BE1-31C5-412A-87C1-55B5E6A9A565
Visible to Intel only — GUID: GUID-650B1BE1-31C5-412A-87C1-55B5E6A9A565
v?Tanh
Computes hyperbolic tangent of vector elements.
Syntax
call vstanh( n, a, y )
call vstanhi(n, a, inca, y, incy)
call vmstanh( n, a, y, mode )
call vmstanhi(n, a, inca, y, incy, mode)
call vdtanh( n, a, y )
call vdtanhi(n, a, inca, y, incy)
call vmdtanh( n, a, y, mode )
call vmdtanhi(n, a, inca, y, incy, mode)
call vctanh( n, a, y )
call vctanhi(n, a, inca, y, incy)
call vmctanh( n, a, y, mode )
call vmctanhi(n, a, inca, y, incy, mode)
call vztanh( n, a, y )
call vztanhi(n, a, inca, y, incy)
call vmztanh( n, a, y, mode )
call vmztanhi(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 vdtanh, vmdtanh COMPLEX for vctanh, vmctanh DOUBLE COMPLEX for vztanh, vmztanh REAL, INTENT(IN) for vstanh, vmstanh DOUBLE PRECISION, INTENT(IN) for vdtanh, vmdtanh COMPLEX, INTENT(IN) for vctanh, vmctanh DOUBLE COMPLEX, INTENT(IN) for vztanh, vmztanh |
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 vdtanh, vmdtanh COMPLEX for vctanh, vmctanh DOUBLE COMPLEX for vztanh, vmztanh REAL, INTENT(OUT) for vstanh, vmstanh DOUBLE PRECISION, INTENT(OUT) for vdtanh, vmdtanh COMPLEX, INTENT(OUT) for vctanh, vmctanh DOUBLE COMPLEX, INTENT(OUT) for vztanh, vmztanh |
Array that specifies the output vector y. |
Description
The v?Tanh function computes hyperbolic tangent of vector elements.
Argument | Result | Exception |
---|---|---|
+0 | +0 | |
-0 | -0 | |
+∞ | +1 | |
-∞ | -1 | |
QNAN | QNAN | |
SNAN | QNAN | INVALID |
See Special Value Notations for the conventions used in the table below.
RE(z) i·IM(z) |
-∞
|
-X
|
-0
|
+0
|
+X
|
+∞
|
NAN
|
---|---|---|---|---|---|---|---|
+i·∞ | -1+i·0 |
QNAN+i·QNAN INVALID |
QNAN+i·QNAN INVALID |
QNAN+i·QNAN INVALID |
QNAN+i·QNAN INVALID |
+1+i·0 |
QNAN+i·QNAN |
+i·Y | -1+i·0·Tan(Y) |
+1+i·0·Tan(Y) |
QNAN+i·QNAN |
||||
+i·0 | -1+i·0 |
-0+i·0 |
+0+i·0 |
+1+i·0 |
QNAN+i·0 |
||
-i·0 | -1-i·0 |
-0-i·0 |
+0-i·0 |
+1-i·0 |
QNAN-i·0 |
||
-i·Y | -1+i·0·Tan(Y) |
+1+i·0·Tan(Y) |
QNAN+i·QNAN |
||||
-i·∞ | -1-i·0 |
QNAN+i·QNAN INVALID |
QNAN+i·QNAN INVALID |
QNAN+i·QNAN INVALID |
QNAN+i·QNAN INVALID |
+1-i·0 |
QNAN+i·QNAN |
+i·NAN | -1+i·0 |
QNAN+i·QNAN |
QNAN+i·QNAN |
QNAN+i·QNAN |
QNAN+i·QNAN |
+1+i·0 |
QNAN+i·QNAN |
Notes:
raises INVALID exception when real or imaginary part of the argument is SNAN
Tanh(CONJ(z))=CONJ(Tanh(z))
Tanh(-z)=-Tanh(z).