Intel® Math Kernel Library 2019 Developer Reference - Fortran
Computes inverse sine of vector elements.
call vsasin( n, a, y )
call vmsasin( n, a, y, mode )
call vdasin( n, a, y )
call vmdasin( n, a, y, mode )
call vcasin( n, a, y )
call vmcasin( n, a, y, mode )
call vzasin( n, a, y )
call vmzasin( n, a, y, mode )
Name |
Type |
Description |
|---|---|---|
n |
INTEGER, INTENT(IN) |
Specifies the number of elements to be calculated. |
a |
DOUBLE PRECISION for vdasin, vmdasin COMPLEX for vcasin, vmcasin DOUBLE COMPLEX for vzasin, vmzasin REAL, INTENT(IN) for vsasin, vmsasin DOUBLE PRECISION, INTENT(IN) for vdasin, vmdasin COMPLEX, INTENT(IN) for vcasin, vmcasin DOUBLE COMPLEX, INTENT(IN) for vzasin, vmzasin |
Array that specifies the input vector a. |
mode |
INTEGER(KIND=8), INTENT(IN) |
Overrides global VM mode setting for this function call. See vmlSetMode for possible values and their description. |
Name |
Type |
Description |
|---|---|---|
y |
DOUBLE PRECISION for vdasin, vmdasin COMPLEX for vcasin, vmcasin DOUBLE COMPLEX for vzasin, vmzasin REAL, INTENT(OUT) for vsasin, vmsasin DOUBLE PRECISION, INTENT(OUT) for vdasin, vmdasin COMPLEX, INTENT(OUT) for vcasin, vmcasin DOUBLE COMPLEX, INTENT(OUT) for vzasin, vmzasin |
Array that specifies the output vector y. |
The v?Asin function computes inverse sine of vector elements.
| Argument | Result | VM Error Status | Exception |
|---|---|---|---|
| +0 | +0 | ||
| -0 | -0 | ||
| +1 | +π/2 | ||
| -1 | -π/2 | ||
| |X| > 1 | QNAN | VML_STATUS_ERRDOM | INVALID |
| +∞ | QNAN | VML_STATUS_ERRDOM | INVALID |
| -∞ | QNAN | VML_STATUS_ERRDOM | INVALID |
| QNAN | QNAN | ||
| SNAN | QNAN | INVALID |
Specifications for special values of the complex functions are defined according to the following formula
Asin(z) = -i*Asinh(i*z).