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Octave style guide: Difference between revisions
→Whitespace: add style for arithmetic expressions
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(→Whitespace: add style for arithmetic expressions) |
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parentheses, like this: | parentheses, like this: | ||
<pre>x = max (sin (y+3), 2);</pre> | <pre>x = max (sin (y + 3), 2);</pre> | ||
An exception are matrix or cell constructors: | An exception are matrix or cell constructors: | ||
| Line 64: | Line 64: | ||
prices = [ 1.01 2.02 3.03 | prices = [ 1.01 2.02 3.03 | ||
44.04 55.05 6.06]; | 44.04 55.05 6.06]; | ||
</pre> | |||
Do include spaces around all binary arithmetic operators, for example | |||
<pre> | |||
x = 1 / (1 + y) ^ 2; | |||
</pre> | |||
An exception is for extremely simple expressions like <pre>n+1</pre>, in | |||
particular when used as an argument to a function or as part of an indexing | |||
expression. For example, you may write | |||
<pre> | |||
x(1:end-1) | |||
</pre> | |||
Another exception is for complex arithmetic expressions. It may improve | |||
readability to omit spaces around higher precedence operators, for example | |||
<pre> | |||
z = cat (dim, (x2.*y3 - x3.*y2), (x3.*y1 - x1.*y3), (x1.*y2 - x2.*y1)); | |||
</pre> | </pre> | ||