From 43af2c11c06ece484adaee15e23df33ba7984651 Mon Sep 17 00:00:00 2001
From: aodongliu <al777@uw.edu>
Date: Fri, 3 May 2024 10:10:35 -0700
Subject: [PATCH] change epc checking logic in tests

---
 src/libxc.cxx           |  4 ++--
 test/xc_kernel_test.cxx | 39 +++++++++++++++++++++++++++++----------
 2 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/src/libxc.cxx b/src/libxc.cxx
index 91094de..db4e67f 100644
--- a/src/libxc.cxx
+++ b/src/libxc.cxx
@@ -231,8 +231,8 @@ bool LibxcKernelImpl::is_polarized_() const noexcept {
 }
 
 bool LibxcKernelImpl::is_epc_() const noexcept {
-  //EXCHCXX_BOOL_CHECK("Libxc EPC Wrapper NYI", false);
-  return false;
+  int xcNumber = xc_info()->number;
+  return xcNumber == 328 or xcNumber == 329 or xcNumber == 330 or xcNumber or 331;
 }
 
 
diff --git a/test/xc_kernel_test.cxx b/test/xc_kernel_test.cxx
index 678a59c..8a5a560 100644
--- a/test/xc_kernel_test.cxx
+++ b/test/xc_kernel_test.cxx
@@ -769,9 +769,8 @@ void compare_libxc_builtin( TestInterface interface, EvalType evaltype,
 
   const int npts = npts_lda;
 
-  XCKernel func_builtin( Backend::builtin, kern, polar );
-  if( func_builtin.is_epc() ) return;
   XCKernel func_libxc  ( Backend::libxc,   kern, polar );
+  XCKernel func_builtin( Backend::builtin, kern, polar );
 
 
   const int len_rho   = func_libxc.rho_buffer_len( npts );
@@ -902,20 +901,25 @@ void compare_libxc_builtin( TestInterface interface, EvalType evaltype,
 TEST_CASE( "Builtin Corectness Test", "[xc-builtin]" ) {
 
   SECTION( "Unpolarized Regular Eval : EXC" ) {
-    for( auto kern : builtin_supported_kernels )
+    for( auto kern : builtin_supported_kernels ) {
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC, EvalType::Regular,
         kern, Spin::Unpolarized );
+    }    
   }
 
   SECTION( "Unpolarized Regular Eval : EXC + VXC" ) {
-    for( auto kern : builtin_supported_kernels )
+    for( auto kern : builtin_supported_kernels ) {
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC_VXC, EvalType::Regular,
         kern, Spin::Unpolarized );
+    }    
   }
 
   SECTION( "Unpolarized Small Eval : EXC" ) {
     for( auto kern : builtin_supported_kernels ) {
       if(is_unstable_small(kern)) continue;
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC, EvalType::Small,
         kern, Spin::Unpolarized );
     }
@@ -924,21 +928,26 @@ TEST_CASE( "Builtin Corectness Test", "[xc-builtin]" ) {
   SECTION( "Unpolarized Small Eval : EXC + VXC" ) {
     for( auto kern : builtin_supported_kernels ) {
       if(is_unstable_small(kern)) continue;
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC_VXC, EvalType::Small,
         kern, Spin::Unpolarized );
     }
   }
 
   SECTION( "Unpolarized Zero Eval : EXC" ) {
-    for( auto kern : builtin_supported_kernels )
+    for( auto kern : builtin_supported_kernels ) {
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC, EvalType::Zero,
         kern, Spin::Unpolarized );
+    }    
   }
 
   SECTION( "Unpolarized Zero Eval : EXC + VXC" ) {
-    for( auto kern : builtin_supported_kernels )
+    for( auto kern : builtin_supported_kernels ) {
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC_VXC, EvalType::Zero,
         kern, Spin::Unpolarized );
+    }    
   }
 
 
@@ -947,20 +956,25 @@ TEST_CASE( "Builtin Corectness Test", "[xc-builtin]" ) {
 
 
   SECTION( "Polarized Regular Eval : EXC" ) {
-    for( auto kern : builtin_supported_kernels )
+    for( auto kern : builtin_supported_kernels ) {
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC, EvalType::Regular,
         kern, Spin::Polarized );
+    }
   }
 
   SECTION( "Polarized Regular Eval : EXC + VXC" ) {
-    for( auto kern : builtin_supported_kernels )
+    for( auto kern : builtin_supported_kernels ) {
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC_VXC, EvalType::Regular,
         kern, Spin::Polarized );
+    }    
   }
 
   SECTION( "Polarized Small Eval : EXC" ) {
     for( auto kern : builtin_supported_kernels ) {
       if(is_unstable_small(kern)) continue;
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC, EvalType::Small,
         kern, Spin::Polarized );
     }
@@ -969,21 +983,26 @@ TEST_CASE( "Builtin Corectness Test", "[xc-builtin]" ) {
   SECTION( "Polarized Small Eval : EXC + VXC" ) {
     for( auto kern : builtin_supported_kernels ) {
       if(is_unstable_small(kern)) continue;
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC_VXC, EvalType::Small,
         kern, Spin::Polarized );
     }
   }
 
   SECTION( "Polarized Zero Eval : EXC" ) {
-    for( auto kern : builtin_supported_kernels )
+    for( auto kern : builtin_supported_kernels ) {
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC, EvalType::Zero,
         kern, Spin::Polarized );
+    }    
   }
 
   SECTION( "Polarized Zero Eval : EXC + VXC" ) {
-    for( auto kern : builtin_supported_kernels )
+    for( auto kern : builtin_supported_kernels ) {
+      if(is_epc(kern)) continue;
       compare_libxc_builtin( TestInterface::EXC_VXC, EvalType::Zero,
         kern, Spin::Polarized );
+    }
   }
 
 }