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| author | Alex Beregszaszi <alex@rtfs.hu> | 2017-08-30 04:38:54 +0800 |
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| committer | Alex Beregszaszi <alex@rtfs.hu> | 2017-09-04 22:57:05 +0800 |
| commit | 435eeec5e15d94ffc2dff01dd09c8c92c697dc4e (patch) | |
| tree | 07a83cfc5496566c5310bd87db5df221397ecdf0 /docs/types.rst | |
| parent | 76bd8c57694b9335dc5ce29204f57825b4a565eb (diff) | |
| download | dexon-solidity-435eeec5e15d94ffc2dff01dd09c8c92c697dc4e.tar.gz dexon-solidity-435eeec5e15d94ffc2dff01dd09c8c92c697dc4e.tar.zst dexon-solidity-435eeec5e15d94ffc2dff01dd09c8c92c697dc4e.zip | |
Explain the difference between floating and fixed point
Diffstat (limited to 'docs/types.rst')
| -rw-r--r-- | docs/types.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/types.rst b/docs/types.rst index d1b5a3f1..71a4b0e6 100644 --- a/docs/types.rst +++ b/docs/types.rst @@ -88,6 +88,12 @@ Operators: * Comparisons: ``<=``, ``<``, ``==``, ``!=``, ``>=``, ``>`` (evaluate to ``bool``) * Arithmetic operators: ``+``, ``-``, unary ``-``, unary ``+``, ``*``, ``/``, ``%`` (remainder) +.. note:: + The main difference between floating point (``float`` and ``double`` in many languages, more precisely IEEE 754 numbers) and fixed point numbers is + that the number of bits used for the integer and the fractional part (the part after the decimal dot) is flexible in the former, while it is strictly + defined in the latter. Generally, in floating point almost the entire space is used to represent the number, while only a small number of bits define + where the decimal point is. + .. index:: address, balance, send, call, callcode, delegatecall, transfer .. _address: |