Computes a signed fractional part for each vector element.
Syntax
call vsfrac( n, a, y )
call vmsfrac( n, a, y, mode )
call vdfrac( n, a, y )
call vmdfrac( n, a, y, 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 vdfrac, vmdfrac REAL, INTENT(IN) for vsfrac, vmsfrac DOUBLE PRECISION, INTENT(IN) for vdfrac, vmdfrac |
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. |
Output Parameters
Name |
Type |
Description |
|---|---|---|
y |
DOUBLE PRECISION for vdfrac, vmdfrac REAL, INTENT(OUT) for vsfrac, vmsfrac DOUBLE PRECISION, INTENT(OUT) for vdfrac, vmdfrac |
Array that specifies the output vector y. |
Description
The function computes a signed fractional part for each vector element.
| Argument | Result | Exception |
|---|---|---|
| +0 | +0 | |
| -0 | -0 | |
| +∞ | +0 | |
| -∞ | -0 | |
| SNAN | QNAN | INVALID |
| QNAN | QNAN |