Merge branch 'type_boundary' into 'master'

Use int64 for indexing

See merge request !251
16 jobs for master in 31 minutes and 24 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Test
passed #585658
docker
arm64v8

00:03:46

passed #585742
docker
arm64v9

00:15:32

passed #585666
docker
build-documentation

00:01:14

passed #585665
docker
flake8-lint

00:03:46

passed #585655
AVX docker
latest-python

00:03:01

passed #585662
cuda docker
minimal-conda

00:01:30

passed #585663
cuda docker
minimal-sympy-master

00:02:47

passed #585656
win
minimal-windows

00:08:54

passed #585659
docker
ppc64le

00:07:29

manual #585664
AVX cuda11 docker allowed to fail manual
pycodegen-integration
passed #585661
docker
riscv64

00:06:09

passed #585654
AVX cuda11 docker
tests-and-coverage

00:03:54

87.4%
passed #585657
AVX cuda11 docker
ubuntu

00:02:27

failed #585660
docker
arm64v9

00:09:03

 
  Deploy
passed #585667
docker
pages

00:00:32

failed pages:deploy

00:00:00