If a non-zero numeric result is too close to zero to be representable, then the result is -0 if the result is negative, otherwise it is 0.If a numeric result is invalid, then the result can be Not A Number (printed as nan by echo).If a numeric result is too small, then the result can be -infinity (printed as -inf by echo). The smallest representable number is about -1e308.If a numeric result is too large, then the result can be infinity (printed as inf by echo). The largest representable number is about 1e308.For example, 0.2 (2/10) does not have an exact internal representation, but 0.25 (1/4) and 0.125 (1/8) are represented exactly. A fractional number is not represented exactly unless the denominator is a power of 2. Because OpenSCAD uses the IEEE floating point standard, there are a few deviations from the behaviour of numbers in mathematics: OpenSCAD does not distinguish integers and floating point numbers as two different types, nor does it support complex numbers. OpenSCAD has only a single kind of number, which is a 64 bit IEEE floating point number. In additional to decimal numerals, the following names for special numbers are defined: Numbers are the most important type of value in OpenSCAD, and they are written in the familiar decimal notation used in other languages. Values can be stored in variables, passed as function arguments, and returned as function results. Values and data types Ī value in OpenSCAD is either a Number (like 42), a Boolean (like true), a String (like "foo"), a Range (like ), a Vector (like ), or the Undefined value (undef). Myvar = 10 // The rest of the line is a comment Comments are not evaluated by the compiler, and should not be used to describe self-evident code. 2.3 Variables are set at compile-time, not run-timeĬomments are a way of leaving notes within the script, or code, (either to yourself or to future programmers) describing how the code works, or what it does.This script is a free format list of action statements. OpenSCAD is a 2D/ 3D and solid modeling program which is based on a Functional programming language used to create models that are previewed on the screen, and rendered into 3D mesh which allows the model to be exported in a variety of 2D/3D file formats.Ī script in the OpenSCAD language is used to create 2D or 3D models. The text in its current form is incomplete.
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