Difference between revisions of "SWC LISP"
(→Arithmetic Operators) |
(→Arithmetic Operators) |
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! Example Text | ! Example Text | ||
! Example Evaluation | ! Example Evaluation | ||
| − | ! | + | ! Module |
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| +||number1 number2 &numberN||Adds numbers together||(+ 5 2)||7|| | | +||number1 number2 &numberN||Adds numbers together||(+ 5 2)||7|| | ||
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|/||number1 number2||Divides numbers||(/ 10 2)||5|| | |/||number1 number2||Divides numbers||(/ 10 2)||5|| | ||
|- | |- | ||
| − | |abs||number||Returns the absolute value of number||(abs -10)||10|| | + | |abs||number||Returns the absolute value of number||(abs -10)||10||(load "mathematics") |
|- | |- | ||
| − | |power||number exponent||Returns the value of number<sup>exponent</sup>||(power 2 3)||8|| | + | |power||number exponent||Returns the value of number<sup>exponent</sup>||(power 2 3)||8||(load "mathematics") |
|- | |- | ||
| − | |minof||list-of-numbers||Returns the minimum value from a list of numbers||(minof '(2 3 7 9 1 18))||1|| | + | |minof||list-of-numbers||Returns the minimum value from a list of numbers||(minof '(2 3 7 9 1 18))||1||(load "mathematics") |
|- | |- | ||
| − | |maxof||list-of-numbers||Returns the maximum value from a list of numbers||(maxof '(2 3 27 9 1 18))||27|| | + | |maxof||list-of-numbers||Returns the maximum value from a list of numbers||(maxof '(2 3 27 9 1 18))||27||(load "mathematics") |
|- | |- | ||
| − | |neg?||number||Returns true if number is negative, nil if positive||(neg? -1)||#t|| | + | |neg?||number||Returns true if number is negative, nil if positive||(neg? -1)||#t||(load "mathematics") |
|- | |- | ||
| − | |pos?||number||Returns true if number is positive, nil if negative||(pos? 1)||#t|| | + | |pos?||number||Returns true if number is positive, nil if negative||(pos? 1)||#t||(load "mathematics") |
|- | |- | ||
| − | |zero?||number||Returns true if number is 0, nil if otherwise||(zero? 0)||#t|| | + | |zero?||number||Returns true if number is 0, nil if otherwise||(zero? 0)||#t||(load "mathematics") |
|- | |- | ||
| − | |factorial||number||Returns !number||(factorial 5)||120|| | + | |factorial||number||Returns !number||(factorial 5)||120||(load "mathematics") |
|- | |- | ||
Revision as of 16:22, 8 September 2018
Main page - trying to reorganise the LISP content
Operators
Arithmetic Operators
| Function Name | Required &Optional ("&") Parameters | Description | Example Text | Example Evaluation | Module |
|---|---|---|---|---|---|
| + | number1 number2 &numberN | Adds numbers together | (+ 5 2) | 7 | |
| - | number1 number2 &numberN | Subtracts numbers | (- 5 2) | 3 | |
| * | number1 number2 &numberN | Multiplies numbers | (* 5 2) | 10 | |
| / | number1 number2 | Divides numbers | (/ 10 2) | 5 | |
| abs | number | Returns the absolute value of number | (abs -10) | 10 | (load "mathematics") |
| power | number exponent | Returns the value of numberexponent | (power 2 3) | 8 | (load "mathematics") |
| minof | list-of-numbers | Returns the minimum value from a list of numbers | (minof '(2 3 7 9 1 18)) | 1 | (load "mathematics") |
| maxof | list-of-numbers | Returns the maximum value from a list of numbers | (maxof '(2 3 27 9 1 18)) | 27 | (load "mathematics") |
| neg? | number | Returns true if number is negative, nil if positive | (neg? -1) | #t | (load "mathematics") |
| pos? | number | Returns true if number is positive, nil if negative | (pos? 1) | #t | (load "mathematics") |
| zero? | number | Returns true if number is 0, nil if otherwise | (zero? 0) | #t | (load "mathematics") |
| factorial | number | Returns !number | (factorial 5) | 120 | (load "mathematics") |
Comparison Operators
| Function Name | Required &Optional ("&") Parameters | Description | Example Text | Example Evaluation | Testing Status |
|---|---|---|---|---|---|
| ge? | number1 number2 | Is number1 equal to or greater than number2? | (ge? 5 2) | #t | |
| le? | number1 number2 | Is number1 equal to or less than number2? | (le? 5 2) | #f | |
| gt? | number1 number2 | Is number1 greater than number2? | (gt? 5 2) | #t | |
| lt? | number1 number2 | Is number1 less than number2? | (lt? 5 2) | #f |
Logic Operators
| Function Name | Required &Optional ("&") Parameters | Description | Example Text | Example Evaluation | Testing Status |
|---|---|---|---|---|---|
| and | boolean-expression1 boolean-expression2 &boolean-expressionN | TRUE if all exprs are TRUE | (and? #t #f) | #f | |
| or | boolean-expression1 boolean-expression2 &boolean-expressionN | TRUE if one expr is TRUE | (or #t #f) | #t | |
| not | boolean-expression1 boolean-expression2 &boolean-expressionN | TRUE if expr is not TRUE | (not #t) | #f |
