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Fix: Intel classic (icpc) build error — ambiguous Conv_Coulomb_Pot_K::cal_orbs_ccp overloads #7932

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mohanchen merged 1 commit into from
Sep 8, 2026
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Fix: Intel classic (icpc) build error — ambiguous Conv_Coulomb_Pot_K::cal_orbs_ccp overloads #7932

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12 changes: 10 additions & 2 deletions source/source_lcao/module_ri/conv_coulomb_pot_k.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3,14 +3,22 @@

#include "source_hamilt/module_xc/coulomb_config.h"

#include <type_traits>

namespace Conv_Coulomb_Pot_K
{
template<typename T> extern T cal_orbs_ccp(
// Constrains the scalar cal_orbs_ccp/cal_orbs_ccp_spencer overloads below:
// icpc cannot order them against the recursive std::vector overloads and
// reports an ambiguity, so the scalar overload is disabled for vectors.
template<typename T> struct is_std_vector : std::false_type {};
template<typename T, typename Alloc> struct is_std_vector<std::vector<T, Alloc>> : std::true_type {};

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template<typename T> extern typename std::enable_if<!is_std_vector<T>::value, T>::type cal_orbs_ccp(
const T &orbs,
const CoulombParam &coulomb_param,
const double rmesh_times);

template<typename T> extern T cal_orbs_ccp_spencer(
template<typename T> extern typename std::enable_if<!is_std_vector<T>::value, T>::type cal_orbs_ccp_spencer(
const T &orbs,
const CoulombParam &coulomb_param,
const double rmesh_times);
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