bc.trunc
Truncate a number
Prototype
n = bc.trunc (a [, n ] )Description
Truncates a (gets rid of decimal places). If n is not specified, a is truncated to a whole number. Otherwise n is the number of decimal places wanted.
For example:
For example:
bc.digits (10)
print (bc.trunc (1234.567, 1)) --> 1234.5
Lua functions
- bc.add - Addition
- bc.compare - Comparison
- bc.digits - Digits after the decimal place
- bc.div - Division
- bc.divmod - Division and remainder
- bc.isneg - Tests if negative
- bc.iszero - Tests if zero
- bc.mod - Modulus
- bc.mul - Multiplication
- bc.neg - Negation
- bc.number - Create a big number
- bc.pow - Power
- bc.powmod - Raise to a power modulus another number
- bc.sqrt - Square root
- bc.sub - Subtraction
- bc.tonumber - Converts to a number
- bc.tostring - Converts to a string
- bc.version - Version
Topics
- Lua LPEG library
- Lua PCRE regular expression functions
- Lua base functions
- Lua bc (big number) functions
- Lua bit manipulation functions
- Lua coroutine functions
- Lua debug functions
- Lua io functions
- Lua math functions
- Lua os functions
- Lua package functions
- Lua script extensions
- Lua string functions
- Lua syntax
- Lua table functions
- Lua utilities
- Scripting callbacks - plugins
- Scripting