Semiconductor & Computer Engineering
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'''Binary literal''' is an [[integer]] whose value is represented in the source code using the [[binary number system]]. Binary literals are a feature supported in many programming languages such as [[Java]], [[D]] and [[Python]] as well as a compiler extension in [[C++]] and [[C]]. Binary literals typically start with '''0b''' or '''0B''' followed by a series of binary digits. | '''Binary literal''' is an [[integer]] whose value is represented in the source code using the [[binary number system]]. Binary literals are a feature supported in many programming languages such as [[Java]], [[D]] and [[Python]] as well as a compiler extension in [[C++]] and [[C]]. Binary literals typically start with '''0b''' or '''0B''' followed by a series of binary digits. | ||
| − | == Java == | + | == Programming languages == |
| + | === Java === | ||
Starting with [[Java 7]], binary literals are possible to be expressed using the 0b or 0B prefix. For example: | Starting with [[Java 7]], binary literals are possible to be expressed using the 0b or 0B prefix. For example: | ||
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</source> | </source> | ||
| − | == Python == | + | === Python === |
Starting with Python 2.6, binary literals support was added via the "0b" and "0B" prefixes.<ref>[http://docs.python.org/release/3.2.3/reference/lexical_analysis.html#integerliterals 2. Lexical analysis]</ref> | Starting with Python 2.6, binary literals support was added via the "0b" and "0B" prefixes.<ref>[http://docs.python.org/release/3.2.3/reference/lexical_analysis.html#integerliterals 2. Lexical analysis]</ref> | ||
| − | == Lisp == | + | === Lisp === |
Lisp supports binary literals to represent integers and rational values via the '''#b''' prefix, for example: | Lisp supports binary literals to represent integers and rational values via the '''#b''' prefix, for example: | ||
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</source> | </source> | ||
| − | == C++ and C == | + | === C++ and C === |
Binary literals already exist in the C++ and C languages in the form of non-standard compiler extensions<ref>[http://gcc.gnu.org/onlinedocs/gcc/Binary-constants.html 6.62 Binary constants using the ‘0b’ prefix]</ref>. They are prefixed with 0b or 0B followed by a series of binary digits. Binary literals have also been proposed<ref>[http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3472.pdf C++14 N3472 Binary Literals in the C++ Core Language]</ref> as a core language addition in [[C++14]]. | Binary literals already exist in the C++ and C languages in the form of non-standard compiler extensions<ref>[http://gcc.gnu.org/onlinedocs/gcc/Binary-constants.html 6.62 Binary constants using the ‘0b’ prefix]</ref>. They are prefixed with 0b or 0B followed by a series of binary digits. Binary literals have also been proposed<ref>[http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3472.pdf C++14 N3472 Binary Literals in the C++ Core Language]</ref> as a core language addition in [[C++14]]. | ||
| + | |||
| + | ==hardware description language== | ||
| + | {{empty section}} | ||
== References == | == References == | ||
{{reflist}} | {{reflist}} | ||
Latest revision as of 23:06, 18 January 2016
Binary literal is an integer whose value is represented in the source code using the binary number system. Binary literals are a feature supported in many programming languages such as Java, D and Python as well as a compiler extension in C++ and C. Binary literals typically start with 0b or 0B followed by a series of binary digits.
Contents
Programming languages[edit]
Java[edit]
Starting with Java 7, binary literals are possible to be expressed using the 0b or 0B prefix. For example:
//an octet value
byte b = (byte)0b00010101;
//a 32-bit integer value
int i = 0b001101010110101010001111011101;
int i2 = 0b1110;
Python[edit]
Starting with Python 2.6, binary literals support was added via the "0b" and "0B" prefixes.[1]
Lisp[edit]
Lisp supports binary literals to represent integers and rational values via the #b prefix, for example:
#b10111
; rational values
#b1110/1111
C++ and C[edit]
Binary literals already exist in the C++ and C languages in the form of non-standard compiler extensions[2]. They are prefixed with 0b or 0B followed by a series of binary digits. Binary literals have also been proposed[3] as a core language addition in C++14.
hardware description language[edit]
 |
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