jagged_device_vector_iterator.ipp

/*
 * VecMem project, part of the ACTS project (R&D line)
 *
 * (c) 2021-2026 CERN for the benefit of the ACTS project
 *
 * Mozilla Public License Version 2.0
 */
#pragma once
 
namespace vecmem {
namespace details {
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>::pointer::pointer(
    const data_pointer data)
    : m_vec(*data) {}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE auto
jagged_device_vector_iterator<TYPE>::pointer::operator->() -> value_type* {
 
    return &m_vec;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE auto
jagged_device_vector_iterator<TYPE>::pointer::operator->() const
    -> const value_type* {
 
    return &m_vec;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE
jagged_device_vector_iterator<TYPE>::jagged_device_vector_iterator()
    : m_ptr(nullptr) {}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE
jagged_device_vector_iterator<TYPE>::jagged_device_vector_iterator(
    data_pointer data)
    : m_ptr(data) {}
 
template <typename TYPE>
template <typename OTHERTYPE,
          std::enable_if_t<details::is_same_nc<TYPE, OTHERTYPE>::value, bool> >
VECMEM_HOST_AND_DEVICE
jagged_device_vector_iterator<TYPE>::jagged_device_vector_iterator(
    const data::vector_view<OTHERTYPE>* data)
    // Just like for vecmem::data::vector_view, this looks more scary than it
    // is. We convert from a non-const type to a constant one here.
    : m_ptr{reinterpret_cast<data_pointer>(data)} {}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE
jagged_device_vector_iterator<TYPE>::jagged_device_vector_iterator(
    const jagged_device_vector_iterator& parent)
    : m_ptr(parent.m_ptr) {}
 
template <typename TYPE>
template <typename OTHERTYPE,
          std::enable_if_t<details::is_same_nc<TYPE, OTHERTYPE>::value, bool> >
VECMEM_HOST_AND_DEVICE
jagged_device_vector_iterator<TYPE>::jagged_device_vector_iterator(
    const jagged_device_vector_iterator<OTHERTYPE>& parent)
    // Just like for the constructor taking a vector_view, this looks more
    // scary than it is. We convert from a non-const type to a constant one
    // here.
    : m_ptr{reinterpret_cast<data_pointer>(parent.m_ptr)} {}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>&
jagged_device_vector_iterator<TYPE>::operator=(
    const jagged_device_vector_iterator& rhs) {
 
    // Check if anything needs to be done.
    if (this == &rhs) {
        return *this;
    }
 
    // Perform the copy.
    m_ptr = rhs.m_ptr;
 
    // Return this object.
    return *this;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE auto jagged_device_vector_iterator<TYPE>::operator*()
    const -> reference {
 
    return reference{*m_ptr};
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE auto
jagged_device_vector_iterator<TYPE>::operator->() const -> pointer {
 
    return pointer{m_ptr};
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE auto jagged_device_vector_iterator<TYPE>::operator[](
    difference_type n) const -> reference {
 
    return reference{*(*this + n)};
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>&
jagged_device_vector_iterator<TYPE>::operator++() {
 
    ++m_ptr;
    return *this;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>
jagged_device_vector_iterator<TYPE>::operator++(int) {
 
    jagged_device_vector_iterator tmp = *this;
    ++m_ptr;
    return tmp;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>&
jagged_device_vector_iterator<TYPE>::operator--() {
 
    --m_ptr;
    return *this;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>
jagged_device_vector_iterator<TYPE>::operator--(int) {
 
    jagged_device_vector_iterator tmp = *this;
    --m_ptr;
    return tmp;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>
jagged_device_vector_iterator<TYPE>::operator+(difference_type n) const {
 
    return jagged_device_vector_iterator(m_ptr + n);
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>&
jagged_device_vector_iterator<TYPE>::operator+=(difference_type n) {
 
    m_ptr += n;
    return *this;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>
jagged_device_vector_iterator<TYPE>::operator-(difference_type n) const {
 
    return jagged_device_vector_iterator(m_ptr - n);
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE jagged_device_vector_iterator<TYPE>&
jagged_device_vector_iterator<TYPE>::operator-=(difference_type n) {
 
    m_ptr -= n;
    return *this;
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE bool jagged_device_vector_iterator<TYPE>::operator==(
    const jagged_device_vector_iterator& other) const {
 
    return (m_ptr == other.m_ptr);
}
 
template <typename TYPE>
VECMEM_HOST_AND_DEVICE bool jagged_device_vector_iterator<TYPE>::operator!=(
    const jagged_device_vector_iterator& other) const {
 
    return !(*this == other);
}
 
}  // namespace details
}  // namespace vecmem