Data Type Summary

The table that follows shows the ViviFire data types, how much memory they use, and their value ranges.

ViviFire type Approximate memory used Value range More information
Boolean Platform-controlled True, False
Char 4 bytes
0 to 4.29 billion 0 to 4,294,967,295
Unsigned; Unicode UTF-32
DateTime 8 bytes 1 January 0001 to 31 December 9999
Fixed64 8 bytes
−922 trillion to 922 trillion −922,337,203,685,477.5808 to 922,337,203,685,477.5807
Signed; Max 15 digits left of the decimal point and 4 to the right
Fixed128 16 bytes
−17 octillion to 17 octillion −17,014,118,346,046,923,173,168,730,371.5884105728 to 17,014,118,346,046,923,173,168,730,371.5884105727
Signed; Max 29 digits left of the decimal point and 10 to the right
Int Platform-controlled Platform-controlled Signed integer type with good performance
Int8 1 byte −128 to 127 Signed; Max 3 decimal digits
Int16 2 bytes −32,768 to 32767 Signed; Max 5 decimal digits
Int32 4 bytes
−2.14 billion to 2.14 billion −2,147,483,648 to 2,147,483,647
Signed; Max 10 decimal digits
Int64 8 bytes
−9.22 quintillion to 9.22 quintillion −9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
Signed; Max 19 decimal digits
Int128 16 bytes
−170 undecillion to 170 undecillion −170,141,183,460,469,231,731,687,303,715,884,105,728 to 170,141,183,460,469,231,731,687,303,715,884,105,727
Signed; Max 39 decimal digits
Real Platform-controlled Platform-controlled Floating-point type with good performance
Real32 4 bytes
−3.4…E38 – −1.4…E−45, 1.4…E−45 – 3.4…E38 −3.4028235E+38 to −1.401298E−45 (negative) and 1.401298E−45 to 3.4028235E+38 (positive)
Floating-point type
Real64 8 bytes
−1.79…E308 – −4.94…E−324, 4.94…E−324 – 1.79…E308 −1.79769313486231570E+308 to −4.94065645841246544E−324 (negative)and 4.94065645841246544E−324 to 1.79769313486231570E+308 (positive)
Floating-point type
Real128 16 bytes
−1.18…E4932 – −3.36…E−4932, 3.36…E−4932 – 1.18…E4932 −1.189731495357231765085759326628007E+4932 to −3.362103143112093506262677817321753E−4932 (negative) and 3.362103143112093506262677817321753E−4932 to 1.189731495357231765085759326628007E+4932 (positive)
Floating-point type
SBits 1–16 bytes User-specified Signed bit field
String ~ bytes 0 to ~ characters
UBits 1–16 bytes User-specified Unsigned bit field
UInt Platform-controlled Platform-controlled Unsigned integer type with good performance
UInt8 1 byte 0 to 255 Unsigned
UInt16 2 bytes 0 to 65,535 Unsigned; Max 5 decimal digits
UInt32 4 bytes
0 to 4.29 billion 0 to 4,294,967,295
Unsigned; Max 10 decimal digits
UInt64 8 bytes
0 to 18.4 quintillion 0 to 18,446,744,073,709,551,615
Unsigned; Max 20 decimal digits
UInt128 16 bytes
0 to 340 undecillion 0 to 340,282,366,920,938,463,463,374,607,431,768,211,455
Unsigned; Max 39 decimal digits
User-made Struct ~ bytes ~ to ~

See also