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"Integer64" (Compiled Type)

"Integer64"

represents a 64-bit machine integer atomic type specifier.

Details

  • "Integer64" can be used in Typed and related constructs to specify a type.

Properties

  • Values held by "Integer64" range from -263 to 263-1.

Conversions

    From Expressions

  • Suitably sized Integer expressions can be converted into compiled code elements with the type "Integer64".

    • To Expressions

  • "Integer64" compiled elements can be converted into Integer expressions.

    • Arithmetic

  • "Integer64" compiled elements are automatically promoted to real or complex elements when they are combined in binary arithmetic operations.
  • Compiled elements with types smaller than "Integer64" are automatically promoted to "Integer64" when they are combined in binary arithmetic operations.
  • "Integer64" compiled elements are automatically promoted to "UnsignedInteger64" elements when they are combined in binary arithmetic operations.

Runtime Errors

    Overflow

  • "Integer64" can give a runtime error if it is used in an operation that overflows.

Examples

Basic Examples  (3)Summary of the most common use cases

"Integer64" can be used as an input and output from a CompiledCodeFunction:

In[1]:=1
✖
https://wolfram.com/xid/0cni97nf4rk63mulgfodiadiix-ck3oom
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0cni97nf4rk63mulgfodiadiix-o6ru94
Out[2]=2

An overflow causes an error while running the function. The computation is terminated, a message is issued and the Wolfram Engine is used to compute the result:

In[1]:=1
✖
https://wolfram.com/xid/0cni97nf4rk63mulgfodiadiix-q0ndn0
Out[1]=1

The "Integer64" argument is automatically promoted when combined with a real number:

In[1]:=1
✖
https://wolfram.com/xid/0cni97nf4rk63mulgfodiadiix-sizlrf
Out[1]=1

When an "Integer64" argument is combined with an integer of a smaller storage size, the smaller type is automatically promoted:

In[2]:=2
✖
https://wolfram.com/xid/0cni97nf4rk63mulgfodiadiix-npmizi
Out[2]=2

The "Integer64" argument is automatically promoted when combined with an unsigned integer of the same storage size:

In[3]:=3
✖
https://wolfram.com/xid/0cni97nf4rk63mulgfodiadiix-vwh9yq
Out[3]=3