Computes a truncated integer value and the remaining fraction part for each vector element.
FORTRAN:
call vsmodf( n, a, y, z )
call vmsmodf( n, a, y, z, mode )
call vdmodf( n, a, y, z )
call vmdmodf( n, a, y, z, mode )
C:
vsModf( n, a, y, z );
vmsModf( n, a, y, z, mode );
vdModf( n, a, y, z );
vmdModf( n, a, y, z, mode );
Name |
Type |
Description |
|---|---|---|
n |
FORTRAN 77: INTEGER Fortran 90: INTEGER, INTENT(IN) C: const int |
Specifies the number of elements to be calculated. |
a |
FORTRAN 77: REAL for vsmodf, vmsmodf DOUBLE PRECISION for vdmodf, vmdmodf Fortran 90: REAL, INTENT(IN) for vsmodf, vmsmodf DOUBLE PRECISION, INTENT(IN) for vdmodf, vmdmodf C: const float* for vsModf, vmsmodf const double* for vdModf, vmdmodf |
FORTRAN: Array, specifies the input vector a. C: Pointer to an array that contains the input vector a. |
mode |
FORTRAN 77: INTEGER*8 Fortran 90: INTEGER(KIND=8), INTENT(IN) C: const MKL_INT64 |
Overrides global VML mode setting for this function call. See vmlSetMode for possible values and their description. |
Name |
Type |
Description |
|---|---|---|
y, z |
FORTRAN 77: REAL for vsmodf, vmsmodf DOUBLE PRECISION for vdmodf, vmdmodf Fortran 90: REAL, INTENT(OUT) for vsmodf, vmsmodf DOUBLE PRECISION, INTENT(OUT) for vdmodf, vmdmodf C: float* for vsModf, vmsmodf double* for vdModf, vmdmodf |
FORTRAN: Array, specifies the output vector y and z. C: Pointer to an array that contains the output vector y and z. |
The function computes a truncated integer value and the remaining fraction part for each vector element.
Halfway values, such as 0.5, -1.5, are rounded off towards even values. An inexact result exception is raised for each changed value.