src/site/_includes/language-tour/3-built-in-types/numbers.html - Issue 10700168: massive CL is massive

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Issue 10700168: massive CL is massive (Closed) Base URL: https://code.google.com/p/dartlang-site/@master

Patch Set: Created 8 years, 5 months ago

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1 <p>	1 <p>

2 Dart numbers come in two flavors:	2 Dart numbers come in two flavors:

3 </p>	3 </p>

4	4

5 <dl>	5 <dl>

6 <dt> <a href="http://api.dartlang.org/dart_core/int.html">int</a> </dt>	6 <dt> <a href="http://api.dartlang.org/dart_core/int.html">int</a> </dt>

7 <dd> Integers of arbitrary size </dd>	7 <dd> Integers of arbitrary size </dd>

8 <dt> <a href="http://api.dartlang.org/dart_core/double.html">double</a> </dt>	8 <dt> <a href="http://api.dartlang.org/dart_core/double.html">double</a> </dt>

9 <dd> 64-bit (double-precision) floating-point numbers,	9 <dd> 64-bit (double-precision) floating-point numbers,

10 as specified by the IEEE 754 standard </dd>	10 as specified by the IEEE 754 standard </dd>

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27 Integers are numbers without a decimal point.	27 Integers are numbers without a decimal point.

28 Here are some examples of defining integer literals:	28 Here are some examples of defining integer literals:

29 </p>	29 </p>

30	30

31 {% highlight dart %}	31 {% highlight dart %}

32 var x = 1;	32 var x = 1;

33 var hex = 0xDEADBEEF;	33 var hex = 0xDEADBEEF;

34 var bigInt = 3465346583465243765923847659234765928347659567398475647495873984572 94759347029438709349345687084921634872376394567823642093846734576230495872459687 30458762345720378629347652943652436525486734567056734652734652467345068734567294 57623845623456234650457693475603768922346728346256;	34 var bigInt = 3465346583465243765923847659234765928347659567398475647495873984572 94759347029438709349345687084921634872376394567823642093846734576230495872459687 30458762345720378629347652943652436525486734567056734652734652467345068734567294 57623845623456234650457693475603768922346728346256;

35 {% endhighlight %}	35 {% endhighlight %}

36	36

37 <aside class="note">	37 <aside>

38 <b>Note:</b>	38 <div class="alert alert-info">

39 Big integers are currently treated differently between Dart and JavaScript.	39 <strong>Tip:</strong>

	40 Big integers are currently treated differently between Dart and JavaScript.

	41 </div>

40 </aside>	42 </aside>

41	43

42 <p>	44 <p>

43 If a number includes a decimal,	45 If a number includes a decimal,

44 it is a double.	46 it is a double.

45 Here are some examples of defining double literals:	47 Here are some examples of defining double literals:

46 </p>	48 </p>

47	49

48 {% highlight dart %}	50 {% highlight dart %}

49 var y = 1.1;	51 var y = 1.1;

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75 <p>	77 <p>

76 The num interface specifies the traditional bit shift, AND, and OR operators.	78 The num interface specifies the traditional bit shift, AND, and OR operators.

77 For example:	79 For example:

78 </p>	80 </p>

79	81

80 {% highlight dart %}	82 {% highlight dart %}

81 assert((3 < 1) == 6); // 0011 << 1 == 0110	83 assert((3 < 1) == 6); // 0011 << 1 == 0110

82 assert((3 >> 1) == 1); // 0011 >> 1 == 0001	84 assert((3 >> 1) == 1); // 0011 >> 1 == 0001

83 assert((3 \| 4) == 7); // 0011 \| 0100 == 0111	85 assert((3 \| 4) == 7); // 0011 \| 0100 == 0111

84 {% endhighlight %}	86 {% endhighlight %}

85 </section>

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