The following table provides summary descriptions of the AutoLISP arithmetic functions.
Arithmetic functions |
|
|---|---|
Function |
Description |
(+ (add) [ number number] ...) |
Returns the sum of all numbers |
(- (subtract) [number number] ...) |
Subtracts the second and following numbers from the first and returns the difference |
(* (multiply) [number number] ...) |
Returns the product of all numbers |
(/ (divide) [number number] ...) |
Divides the first number by the product of the remaining numbers and returns the quotient |
(~ (bitwise NOT) int) |
Returns the bitwise NOT (1's complement) of the argument |
(1+ (increment) number) |
Returns the argument increased by 1 (incremented) |
(1- (decrement) 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 |
