• a . b

Object property access operator.

• .()

Indirection operator.

• new a

New operator createas a new object instance from the template specified by name atom.Database objects created with new are considered dynamic database objects: assigned replica id is never 0.REFERENCES is returned when template_name is of type ATOMS.

• a = b

Assignment.

• a := b

Assign into / overwrite. Equivalent to [ a ] = b

• ()

Defines execution precedence.Function call delimiter.Switch expression delimiter.

• | |

Const vector delimiter.

• { }

Const list delimiter. Explicit type cast delimiter.

• a , b

Const vector separator. Const list separator. Explicit type cast separator. Function parameter separator. Switch expression separator.

• a ; b

Comma operator (a is executed first, the result is b) .

---

• - a

Negative a.List operator.

• a += b

Equivalent to: a = a + b List operator.

• a -= b

Equivalent to: a = a - b List operator.

• a *= b

Equivalent to: a = a * b List operator.

• a /= b

Equivalent to: a = a /= b List operator.

• a %= b

Equivalent to: a = a % b List operator.

• a - b

Subtraction. Result is always of the same type as operand a. List operator.

• a + b

Addition. Result is always of the same type as operand a. List operator.

• a * b

Multiplication. Result is always of the same type as operand a. List operator.

• a / b

Division. Result is always of the same type as operand a. List operator.

• a % b

Modulo. Result is always of the same type as operand a. List operator.

• len b

Length of a vector or float list. List operator for vector lists.

• lensqr b

Square length of a vector or float list. List operator for vector lists.

• abs a

Absolute value of a .List operator.

• sgn a

List operator.

• degclp a

Converts angle a to -180 .. 180 degrees range. List operator.

• sqr a

List operator.

• a log b

• a pow b

---

• a ** b

Vector dot multiplication (3d). List operator.

• a dot b

Vector dot multiplication (4d or more for FLOATS) List operator for vector lists.

• a cross b

Vector cross multiplication. List operator.

---

• not a

Logical not. Result is always INTEGER 0 or 1.

• a and b

Logical and. Result is always INTEGER 0 or 1.

• a nand b

Logical nand. Result is always INTEGER 0 or 1.

• a or b

Logical or. Result is always INTEGER 0 or 1.

• a xor b

Logical xor. Result is always INTEGER 0 or 1.

• bool a

Logical evaluation. Result is INTEGER or INTEGERS. -1 = true, 0 = false (suitable for binary operations)

• a andf b

Evaluate a, if TRUE evaluate and return b, if FALSE return a.

• a orf b

Evaluate a, if TRUE return a, if FALSE evaluate and return b.

---

• a min b

When a is single token type: if FLOAT { a } <= FLOAT { b } : return reference to a, else: return reference to b. When a is list: return a new list c, where c[i] = a[i] min b[i].

• a max b

When a is single token type: if FLOAT { a } >= FLOAT { b } : return reference to a, else: return reference to b. When a is list: return a new list c, where c[i] = a[i] max b[i].

---

• ^ a

Remove duplicates from list. Preserves order of items.

• a ^* b

Cross-section between lists a and b. Duplicate items as in list a will not be removed. Preserves order of items as in list a.

• a ^- b

Remove list b from list a. Duplicate items as in list a will not be removed. Preserves order of items as in list a.

• a ^+ b

Union of lists. All duplicate items will be removed.

• minin list

Return index of first min element in list.

• maxin list

Return index of first max element in list.

• count a

Number of elements in list. When a is REFERENCE, number of properties on database object.

• flip a

Flip/revert list.

• a in b

Find first item in list - return index or 0. List operator.

• a nin b

Find first non-matching item in list - return index or 0 If a is a list, index to the first item in b that does not match any item in a, is returned.

• a scan b

Faster equivalent to ((b in a) <> 0).

• a nscan b

Faster equivalent to ((b in a) == 0).

• a ++ b or: a append b

Append two items/lists into a new list.

• list[ index ]

List operator. Nul is returned when index is out of range. If index is a single token type (integer), a reference to list item is returned (ie: a[x] = ...) If index is a list (of integers), a new (remapped) list is returned. Works for vectors (only when index is single token type) 1-based indexes (a[1] == a|x, a[2] == a|y ...).

• [ list[ index ] ]

Equivalent (but faster) to ARRAY{list}[index]

• last list

Equivalent (but faster) to list[count list].

---

• a .. b

Range: generate a list of integers { a, a +[-]1, a +[-]2, a +[-]3 ... b } Generated list contains at least one element (when a == b).

• seq(a, cnt [, stp])
  seqi(a, cnt [, stp])
  seqf(a, cnt [, stp])
  seqv(a, cnt [, stp])

Sequence: generate a list of integers, floats, vectors: { a + n * stp } n = 0 .. cnt Generated list is empty when cnt <= 0.

---

• a == b

Comparison operator, a equals b.

• a <> b

Comparison operator, a not equal b.

• a < b

Comparison operator, a less than b.

• a > b

Comparison operator, a greater than b.

• a >= b

Comparison operator, a greater or equal b.

• a <= b

Comparison operator, a less or equal b.

---

• a |type

Type of property/local variable (result is an atom, eg. ‘ATOMS’, ‘ARRAY’, ‘FLOAT’...) When the property is undefined, the result is nul (atom ‘‘).

• a |class

Type of database/engine object

• a |name

Template name of database/engine object

• a |zone

The name of the zone that object instance belongs to

• a |fullname

Template name of database/engine object, complete with zone name (zone:name)

• a |replica

Id of database object. 0 denotes a static database object.

• a |props

A list of object property names (list of atoms)

• a |array

An ARRAY of pointers to all object properties.

• a |owner

Returns REFERENCE to owner of engine object

• a |x/y/z/w

Vector component access. List operator (returns FLOATS when a is VECTORS). When a is single token type, return reference to vector component (ie: a|x = ...)

• a |r/g/b/a

Vector component access. List operator (returns FLOATS when a is VECTORS). When a is single token type, return reference to vector component (ie: a|r = ...) a|r == a|x a|g == a|y a|b == a|z a|a == a|w

---

The following operators only accept integer/float/vector/list of integers/floats/vectors. When integer/list of integers is given, a float/list of floats is returned:

• sin a

• cos a

• tan a

• deg a

• rad a

• exp a

• asin a

• acos a

• atan a

• sqrt a

---

• TYPE[] clip(TYPE[] x, TYPE minx, TYPE maxx)

clip x to min & max

---

• TYPE[] rand(TYPE[] a, TYPE[] b)

random between a .. b

• TYPES rand(TYPE a, TYPE b, INTEGER count)

random between a .. b

• TYPE rand(TYPE a)

random between 0 .. a

• TYPE & rand(TYPES list)

random member of list a reference to item is returned (like [])

• <param> rand(list, list)

a new list is generated with random selected values

---

• <param> sum(vector/list/float/integer)

sum of list or vector

• <param> mul(vector/list/float/integer)

mul of list or vector

• <param> respace(VECTORS/FLOATS/INTEGERS)

{ a , b , c , d } → { a , a + b , a + b + c , a + b + c + d , ... }

---

• FLOAT? polar(FLOATs x, FLOAT? y)

angle

• FLOAT? polar(VECTOR? vec)

angle

---

• INTEGER? and(INTEGER? x, INTEGER? y)

binary and

• INTEGER(S) nand(INTEGER(S) x, INTEGER(S) y)

binary nand

• INTEGER(S) or(INTEGER(S) x, INTEGER(S) y)

binary or

• INTEGER(S) xor(INTEGER(S) x, INTEGER(S) y)

binary xor

• INTEGER(S) shr(INTEGER(S) x, INTEGER(S) y)

binary (arithmetic) shr

• INTEGER(S) shl(INTEGER(S) x, INTEGER(S) y)

binary (arithmetic) shl

• INTEGER(S) and(INTEGER(S) x, INTEGER(S) y)

binary and

• INTEGER(S) nob(INTEGER(S) x)

binary not

---

• TYPES sort(TYPES)

return a new list with sorted items

• INTEGERS isort(TYPES)

return an index list to sorted itemsa[isort(a)] is equivalent to sort(a)