Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Clarify precedence of numeric literal coefs over parenthesis #21800

Merged
merged 3 commits into from
Nov 3, 2017
Merged

Clarify precedence of numeric literal coefs over parenthesis #21800

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
fa458a4
Clarify precedence of numeric literal coefs over parenthesis
ronisbr May 11, 2017
28eba95
Update text about precedence of numeric literals
ronisbr May 12, 2017
fa4bff0
Implicit mult. precedence isn't higher than exponentiation
ronisbr May 13, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions doc/src/manual/integers-and-floating-point-numbers.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -611,6 +611,11 @@ Numeric literals also work as coefficients to parenthesized expressions:
julia> 2(x-1)^2 - 3(x-1) + 1
3
```
!!! note
The precedence of numeric literal coefficients used for implicit
multiplication is higher than other binary operators such as multiplication
(`*`), and division (`/`, `\`, and `//`). This means, for example, that
`1 / 2im` equals `-0.5im` and `6 // 2(2 + 1)` equals `1 // 1`.

Additionally, parenthesized expressions can be used as coefficients to variables, implying multiplication
of the expression by the variable:
Expand Down