// Retrieves sizes of array dimensions.
// int H5Tget_array_dims2( hid_t adtype_id, hsize_t dims[] )
func (t *ArrayType) ArrayDims() []int {
rank := t.NDims()
dims := make([]int, rank)
// fixme: int/hsize_t size!
c_dims := (*C.hsize_t)(unsafe.Pointer(&dims[0]))
c_rank := int(C.H5Tget_array_dims2(t.id, c_dims))
if c_rank == rank {
return dims
}
return nil
}
// ArrayDims returns the array dimensions.
func (t *ArrayType) ArrayDims() []int {
rank := t.NDims()
dims := make([]int, rank)
hdims := make([]C.hsize_t, rank)
slice := (*reflect.SliceHeader)(unsafe.Pointer(&hdims))
c_dims := (*C.hsize_t)(unsafe.Pointer(slice.Data))
c_rank := int(C.H5Tget_array_dims2(t.id, c_dims))
if c_rank != rank {
return nil
}
for i, n := range hdims {
dims[i] = int(n)
}
return dims
}
func computeArrayLength(tid C.hid_t) (C.hsize_t, error) {
nd := C.H5Tget_array_ndims(tid)
if nd < 0 {
return 0, errors.New("cannot get the dimensionality of an array")
}
dimensions := make([]C.hsize_t, nd)
if C.H5Tget_array_dims2(tid, (*C.hsize_t)(unsafe.Pointer(&dimensions[0]))) != nd {
return 0, errors.New("cannot get the dimensions of an array")
}
length := C.hsize_t(1)
for i := range dimensions {
length *= dimensions[i]
}
return length, nil
}
