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Code Issues Releases Wiki Activity

Solved bug for large calculations

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This commit is contained in:
Anthony Scemama 2017-07-15 01:02:13 +02:00
parent 24725e60e6
commit ac0a0ff186
1 changed files with 8 additions and 5 deletions
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13
src/Determinants/slater_rules.irp.f
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@ -1503,14 +1503,16 @@ subroutine get_excitation_degree_vector_double_alpha_beta(key1,key2,degree,Nint,
!DIR$ LOOP COUNT (1000)
do i=1,sze
d = 0
degree_alpha = 0
degree_beta = 0
!DIR$ LOOP COUNT MIN(4)
do m=1,Nint
d = d + popcnt(xor( key1(m,1,i), key2(m,1))) &
+ popcnt(xor( key1(m,2,i), key2(m,2)))
key_tmp(m,1) = xor(key1(m,1,i),key2(m,1))
key_tmp(m,2) = xor(key1(m,2,i),key2(m,2))
degree_alpha = popcnt(key_tmp(m,1))
degree_beta = popcnt(key_tmp(m,2))
degree_alpha += popcnt(key_tmp(m,1))
degree_beta += popcnt(key_tmp(m,2))
enddo
if(degree_alpha .gt.3 .or. degree_beta .gt.3 )cycle !! no double excitations of same spin
degree(l) = ishft(d,-1)
@ -1661,12 +1663,13 @@ subroutine get_excitation_degree_vector_mono_or_exchange_verbose(key1,key2,degre
do i=1,sze
d = 0
exchange_1 = 0
exchange_2 = 0
!DIR$ LOOP COUNT MIN(4)
do m=1,Nint
d = d + popcnt(xor( key1(m,1,i), key2(m,1))) &
+ popcnt(xor( key1(m,2,i), key2(m,2)))
exchange_1 = popcnt(xor(iand(key1(m,1,i),key1(m,2,i)),iand(key2(m,1),key2(m,2))))
exchange_2 = popcnt(iand(xor(key1(m,1,i),key2(m,1)),xor(key1(m,2,i),key2(m,2))))
exchange_1 += popcnt(xor(iand(key1(m,1,i),key1(m,2,i)),iand(key2(m,1),key2(m,2))))
exchange_2 += popcnt(iand(xor(key1(m,1,i),key2(m,1)),xor(key1(m,2,i),key2(m,2))))
enddo
if (d > 4)cycle
if (d ==4)then
@ -2225,7 +2228,7 @@ subroutine get_excitation_degree_spin(key1,key2,degree,Nint)
degree = sum(popcnt(xorvec(1:4)))
case default
do l=1,N_int
do l=1,Nint
xorvec(l) = xor( key1(l), key2(l))
enddo
degree = sum(popcnt(xorvec(1:Nint)))