Hotfix fft 1D 1D

Description

Fix the kernel for 1D periodic FFTs. The G=0 component was not calculated and was using instead G=1. All the other kernel seem the do the pading of frequencies properly.

News snippet

Fix the kernel for 1D periodic FFTs.

Checklist

• I have checked that my code follows the Octopus coding standards
• I have added tests for all the new features added in this request.

changed milestone to %9.2

added Bug label

assigned to @micael.oliveira

@nicolastd Changes look good, except that you forgot to declare a variable.

added 1 commit

• 23b4abc0 - Add missing variable declaration.

Compare with previous version

approved this merge request

Codecov Report

Merging #761 into hotfix-9.2 will decrease coverage by 0.07%. The diff coverage is 100%.

@@              Coverage Diff               @@
##           hotfix-9.2     #761      +/-   ##
==============================================
- Coverage       69.51%   69.44%   -0.08%     
==============================================
  Files             458      458              
  Lines           86900    86704     -196     
==============================================
- Hits            60406    60208     -198     
- Misses          26494    26496       +2

Impacted Files	Coverage Δ
src/poisson/poisson_fft.F90	66.32% <100%> (+0.17%)
src/grid/subarray_inc.F90	46.34% <0%> (-7.32%)
liboct_parser/parser_f.c	79.36% <0%> (-2.39%)
src/basic/mpi_debug_inc.F90	0% <0%> (-1.86%)
src/hamiltonian/libvdwxc.F90	85.5% <0%> (-1.55%)
src/main/unocc.F90	77.98% <0%> (-1.26%)
src/grid/partition.F90	64.02% <0%> (-1.16%)
src/math/nfft.F90	61.01% <0%> (-1.13%)
src/grid/mesh_batch_inc.F90	66.49% <0%> (-1.11%)
src/grid/mesh_partition.F90	82.38% <0%> (-0.83%)
... and 45 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update cc10176...23b4abc. Read the comment docs.

enabled an automatic merge when the pipeline for 23b4abc0 succeeds

merged

mentioned in commit 43603eaa