From c406af4f5aa5c805fe1c966ea08ba436fafae1fb Mon Sep 17 00:00:00 2001 From: Anthony Scemama Date: Fri, 17 Mar 2017 16:02:38 +0100 Subject: [PATCH] Updated Integrals_storage (markdown) --- Integrals_storage.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Integrals_storage.md b/Integrals_storage.md index f1fc740..60c0fd4 100644 --- a/Integrals_storage.md +++ b/Integrals_storage.md @@ -2,7 +2,7 @@ Two electron integrals are of the form (ij|kl), with permutation rules for the 4 It is not possible to store all the (ij|kl) integrals in memory under the form of a 4-dimensional array, so we store instead all the non-zero integrals in a data structure, similar to a hash table. -We do use hash tables because : +We do not use hash tables because : 1. Rehashing the table as it grows is too costly 2. We need some locality if possible : (ij|kl) should be close to (ij|k l+1)