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README.md

Morilib APL

Morilib APL is an APL interpreter written by JavaScript.

How to use

Write the script tag in your Web site.

<script src="kanapl.js"></script>

To create APL environment, call KANAPL function.

var aplenv = KANAPL();

APL environment has two methods.

aplenv.eval()

Evaluate the given APL program and return evaluated array or scalar.

var result = aplenv.eval("3÷2 2ρ1 2 3 4");

aplenv.put()

Bind the given array or scalar.
The array is validated and throws an error if the array is not valid.

aplenv.put("A", [1, 2, 3, 4]);

Variable name

The characters shown as follows are vaild for variable name.

  • Uppercase ASCII alphabets
  • Kanji (Hanzi)
  • Hiragana
  • Katakana
  • Full width alphabets (Uppercase and Lowercase)
  • Half width Katakana

APL characters

Morilib APL can use below APL features.
Morilib APL also can use ASCII sequence surrounded by #.

Feature APL Morilib APL Sequence
Negative sign #~#
Addition + +
Subtraction - -
Multiplication × × #*#
Division ÷ ÷ #/#
Modulo/Absolute | |
Maximum/ceiling #max#
Minimum/floor #min
Power/Exponent #**#
Logarithm #log#
Random ? ?
Pi/Trigonometric Function #tri#
Factorial/Combination ! !
Logical Not #not#
Logical And #and#
Logical Or #or#
Logical Nand #nand#
Logical Nor #nor#
Reduce / /
Scan/Expand ||
Inner product . .
Outer product ∘. ・. #outer#
Shape/Reshape ρ ρ #rho#
Concatenate , ,
Take #take#
Drop #drop#
Reverse/Rotate φ(Phi) #rotate#
Transpose #transpose#
Index generator ι ι #iota#
Member of ∈ ε #in#
Sort(ascending) ♯(Sharp) #asc#
Sort(descending) #desc#
Inverse Matrix/Division Matrix #domino#
Encode #encode#
Decode #decode#
Execute #eval#
Format #tostring#
Assign #<-#

Limitation

  • User defined function and jump is not avaiable.
  • All elements of array must be numbers or characters. (Mixed array is not available)
  • All length of array in another array must be the same.
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