2.8.3.1 Floats

Float Expressions

FLOAT:

NUMERIC_TERM [SIGN NUMERIC_TERM]...

SIGN:

+ | -

NUMERIC_TERM:

NUMERIC_FACTOR [MULT NUMERIC_FACTOR]...

MULT:

* | /

NUMERIC_EXPRESSION:

FLOAT_LITERAL | FLOAT_IDENTIFIER | SIGN NUMERIC_EXPRESSION | FLOAT_FUNCTION | FLOAT_BUILT_IN_IDENT | ( FULL_EXPRESSION ) | ! NUMERIC_EXPRESSION | VECTOR.DOT_ITEM | FLOAT_FUNCTION_INVOCATION

FLOAT_LITERAL:

[DIGIT...][.]DIGIT...[EXP[SIGN]DIGIT...]

DIGIT:

0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9

EXP:

e | E

FLOAT_FUNCTION:

abs (FLOAT) | acos (FLOAT) | acosh (FLOAT) | asc (STRING) | asin (FLOAT) | asinh (FLOAT) | atan (FLOAT) | atanh (FLOAT) | atan2 (FLOAT,FLOAT) | ceil (FLOAT) | cos (FLOAT) | cosh (FLOAT) | defined (IDENTIFIER) | degrees (FLOAT) | dimensions (ARRAY_IDENTIFIER) | dimension_size (ARRAY_IDENTIFIER,INT) | div (FLOAT,FLOAT) | exp (FLOAT) | file_exists (STRING) | floor (FLOAT) | int (FLOAT) | inside (SOLID_OBJECT_IDENT, VECTOR) | ln (FLOAT) | log (FLOAT) | max (FLOAT,FLOAT[,FLOAT]...) | min (FLOAT,FLOAT[,FLOAT]...) | mod (FLOAT,FLOAT) | pow (FLOAT,FLOAT) | radians (FLOAT) | rand (FLOAT) | seed (FLOAT) | select (FLOAT,FLOAT,FLOAT,[FLOAT]) | sin (FLOAT) | sinh (FLOAT) | sqrt (FLOAT) | strcmp (STRING,STRING) | strlen (STRING) | tan (FLOAT) | tanh (FLOAT) | val (STRING) | vdot (VECTOR,VECTOR) | vlength (VECTOR)

FLOAT_BUILT_IN_IDENT:

BOOLEAN_KEYWORD | clock | clock_delta | clock_on | final_clock | final_frame | frame_number | image_height | image_width | initial_clock | initial_frame | pi | version

BOOLEAN_KEYWORD:

true | yes | on | false | no | off

FULL_EXPRESSION:

LOGICAL_EXPRESSION [? FULL_EXPRESSION : FULL_EXPRESSION]

LOGICAL_EXPRESSION:

REL_TERM [LOGICAL_OPERATOR REL_TERM]...

LOGICAL_OPERATOR:

& | |

REL_TERM:

FLOAT [REL_OPERATOR FLOAT]...

REL_OPERATOR:

< | <= | = | >= | > | !=

DOT_ITEM:

x | y | z | t | u | v | red | green | blue | filter | transmit | gray

INT:

FLOAT

Any fractional part is discarded.

BOOL:

BOOLEAN_KEYWORD | LOGICAL_EXPRESSION

 

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