The following table provides summary descriptions of the AutoLISP arithmetic functions.
|
Arithmetic functions |
|
|---|---|
|
Function |
Description |
|
(+ [number number ...]) |
Returns the sum of all numbers |
|
(- [number number ...]) |
Subtracts the second and following numbers from the first and returns the difference |
|
(* [number number ...]) |
Returns the product of all numbers |
|
(/ [number number ...]) |
Divides the first number by the product of the remaining numbers and returns the quotient |
|
(~ int) |
Returns the bitwise NOT (1's complement) of the argument |
|
(1+ number) |
Returns the argument increased by 1 (incremented) |
|
(1- number) |
Returns the argument reduced by 1 (decremented) |
|
(abs number) |
Returns the absolute value of the argument |
|
(atan num1 [num2]) |
Returns the arctangent of a number in radians |
|
(cos ang) |
Returns the cosine of an angle expressed in radians |
|
(exp number) |
Returns the constant e (a real) raised to a specified power (the natural antilog) |
|
(expt base power) |
Returns a number raised to a specified power |
|
(fix number) |
Returns the conversion of a real into the nearest smaller integer |
|
(float number) |
Returns the conversion of a number into a real |
|
(gcd int1 int2) |
Returns the greatest common denominator of two integers |
|
(log number) |
Returns the natural log of a number as a real |
|
(logand [int int ...]) |
Returns the result of the logical bitwise AND of a list of integers |
|
(logior [int int ...]) |
Returns the result of the logical bitwise inclusive OR of a list of integers |
|
(lsh [int numbits]) |
Returns the logical bitwise shift of an integer by a specified number of bits |
|
(max [number number ...]) |
Returns the largest of the numbers given |
|
(min [number number ...]) |
Returns the smallest of the numbers given |
|
(minusp number) |
Verifies that a number is negative |
|
(rem [num1 num2 ...]) |
Divides the first number by the second, and returns the remainder |
|
(sin ang) |
Returns the sine of an angle as a real expressed in radians |
|
(sqrt number) |
Returns the square root of a number as a real |
|
(zerop number) |
Verifies that a number evaluates to zero |