Arithmetic Functions
The following table provides summary descriptions of the AutoLISP arithmetic functions.
|
Arithmetic functions |
|
|---|---|
|
Function |
Description |
|
(+ (add) [numbernumber] ...) |
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) |
|
(absnumber) |
Returns the absolute value of the argument |
|
(atannum1 [num2]) |
Returns the arctangent of a number in radians |
|
(cosang) |
Returns the cosine of an angle expressed in radians |
|
(expnumber) |
Returns the constant e (a real) raised to a specified power (the natural antilog) |
|
(exptbase power) |
Returns a number raised to a specified power |
|
(fixnumber) |
Returns the conversion of a real into the nearest smaller integer |
|
(floatnumber) |
Returns the conversion of a number into a real |
|
(gcdint1 int2) |
Returns the greatest common denominator of two integers |
|
(lognumber) |
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 [intint ...]) |
Returns the result of the logical bitwise inclusive OR of a list of integers |
|
(lsh [intnumbits]) |
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 |
|
(minuspnumber) |
Verifies that a number is negative |
|
(rem [num1 num2 ...]) |
Divides the first number by the second, and returns the remainder |
|
(sinang) |
Returns the sine of an angle as a real expressed in radians |
|
(sqrtnumber) |
Returns the square root of a number as a real |
|
(zeropnumber) |
Verifies that a number evaluates to zero |