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use super::{Error, API};
use crate::ffi::*;
#[derive(Debug, Clone)]
pub struct PoolingDescriptor {
id: cudnnPoolingDescriptor_t,
}
impl Drop for PoolingDescriptor {
#[allow(unused_must_use)]
fn drop(&mut self) {
API::destroy_pooling_descriptor(*self.id_c()).unwrap();
}
}
impl PoolingDescriptor {
pub fn new(
mode: cudnnPoolingMode_t,
window: &[i32],
padding: &[i32],
stride: &[i32],
) -> Result<PoolingDescriptor, Error> {
let generic_pooling_desc = API::create_pooling_descriptor()?;
API::set_pooling_descriptor(
generic_pooling_desc,
mode,
cudnnNanPropagation_t::CUDNN_NOT_PROPAGATE_NAN,
window.len() as i32,
window.as_ptr(),
padding.as_ptr(),
stride.as_ptr(),
)?;
Ok(PoolingDescriptor::from_c(generic_pooling_desc))
}
pub fn from_c(id: cudnnPoolingDescriptor_t) -> PoolingDescriptor {
PoolingDescriptor { id }
}
pub fn id_c(&self) -> &cudnnPoolingDescriptor_t {
&self.id
}
}