summaryrefslogtreecommitdiffhomepage
path: root/julia.html.markdown
diff options
context:
space:
mode:
authorThibaut Lienart <tlienart@me.com>2019-02-18 12:25:23 +1100
committerGitHub <noreply@github.com>2019-02-18 12:25:23 +1100
commit18c010ecd9b654be5bf6d4dfcd68aeb41edfc3a1 (patch)
treea2a8dc24b538bf3ce433439ac219e588687f293c /julia.html.markdown
parent1980272c4f37eae54f3b704e3fce2ba8fab00ecf (diff)
Add note about integer overflow
Something that may trip users coming from a Python background as per https://discourse.julialang.org/t/julia-messes-up-integer-exponents/20773
Diffstat (limited to 'julia.html.markdown')
-rw-r--r--julia.html.markdown7
1 files changed, 7 insertions, 0 deletions
diff --git a/julia.html.markdown b/julia.html.markdown
index eabb988e..5e9ef1b8 100644
--- a/julia.html.markdown
+++ b/julia.html.markdown
@@ -46,6 +46,13 @@ div(5, 2) # => 2 # for a truncated result, use div
# Enforce precedence with parentheses
(1 + 3) * 2 # => 8
+# Julia (unlike Python for instance) has integer under/overflow
+10^19 # => -8446744073709551616
+# use bigint or floating point to avoid this
+big(10)^19 # => 10000000000000000000
+1e19 # => 1.0e19
+10.0^19 # => 1.0e19
+
# Bitwise Operators
~2 # => -3 # bitwise not
3 & 5 # => 1 # bitwise and