replaced index constructors from specific signed / unsigned integers by...

replaced index constructors from specific signed / unsigned integers by template versions; should be more general and fix a compilation error on macOS (relates #205)
8 jobs for master in 8 minutes and 48 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build Homepage
failed #2854
allowed to fail
job_build_homepage

00:00:11

 
  Build Gcc
passed #2855
job_make_gcc

00:01:18

 
  Test Gcc
passed #2856
job_test_gcc

00:02:00

92.671%
 
  Build Gcc Nocheck
passed #2857
job_make_gcc_nocheck

00:01:09

 
  Test Gcc Nocheck
passed #2858
job_test_gcc_nocheck

00:00:15

 
  Build Python
passed #2859
job_build_python

00:01:39

 
  Build Clang
passed #2860
job_make_clang

00:02:00

 
  Test Clang
passed #2861
job_test_clang

00:00:11

 
Name Stage Failure
failed
job_build_homepage Build Homepage
       Destination: html/
Incremental build: disabled. Enable with --incremental
Generating...
done in 1.524 seconds.
Auto-regeneration: disabled. Use --watch to enable.
make: Leaving directory '/home/gitlab-runner/builds/ebec6b58/0/xerus/xerus/doc'
ssh: Could not resolve hostname xerusweb: Name or service not known
lost connection
ERROR: Job failed: exit status 1