Template:Round/doc: Difference between revisions
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meta>Patrick →Internal details: their second the rounding parameter, and their third the value of the condition that the rounding parameter is positive. |
meta>Patrick →Usage: As with #expr, the total number of significant digits is not more than 14: *{{xpsoc|rnd|1234567890.123456789|10}} *{{xpsoc|rnd|123456789.0123456789|10}} |
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| Line 17: | Line 17: | ||
*{{xpsoc|rnd|-1200007|-2}} | *{{xpsoc|rnd|-1200007|-2}} | ||
*{{xpsoc|rnd|-1234567899|-7}} | *{{xpsoc|rnd|-1234567899|-7}} | ||
As with #expr, the total number of significant digits is not more than 14: | |||
*{{xpsoc|rnd|1234567890.123456789|10}} | |||
*{{xpsoc|rnd|123456789.0123456789|10}} | |||
==Internal details== | ==Internal details== | ||
Revision as of 16:39, 21 November 2010
 | This is a documentation subpage for Template:Round. It may contain usage information, categories and other content that is not part of the original template page. |
Usage
This template rounds {{{1}}} to {{{2}}} decimal places (goes the other way for negatives) and includes trailing zeros. Scientific notation is used for numbers greater than or equal to 1×109, or less than 1×10−4.
Compare:
- {{
rnd|2.0004|3}} gives Template:Rnd- whereas {{
#expr:2.0004 round 3}} gives 2
- whereas {{
- {{
rnd|0.000020004|7}} gives Template:Rnd - {{
rnd|0|8}} gives Template:Rnd - {{
rnd|154268|-3}} gives Template:Rnd - {{
rnd|154268988|-6}} gives Template:Rnd- whereas {{
#expr:154268988 round -6}} gives either 1.54E+8 or 154000000
- whereas {{
{{rnd|1542689271|-7}}→ Template:Rnd{{rnd|1542689271|2}}→ Template:Rnd{{rnd|-123|1}}→ Template:Rnd{{rnd|-1200007|-2}}→ Template:Rnd{{rnd|-1234567899|-7}}→ Template:Rnd
As with #expr, the total number of significant digits is not more than 14:
{{rnd|1234567890.123456789|10}}→ Template:Rnd{{rnd|123456789.0123456789|10}}→ Template:Rnd
Internal details
The template calls Template:Rnd/b1 if the number, after rounding, is positive, Template:Rnd/b-1 if it is negative, and Template:Rnd/b0 if it is zero.
Their first parameter is the rounded number, their second the rounding parameter, and their third the value of the condition that the rounding parameter is positive.
