primitives.scad File Reference

Mathematical primitive functions. More...

#include <constants.scad>

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Functions
function	is_defined (v)
	Test if a value is defined. More...
function	not_defined (v)
	Test if a value is not defined. More...
function	is_empty (v)
	Test if an iterable value is empty. More...
function	is_scalar (v)
	Test if a value is a single non-iterable value. More...
function	is_iterable (v)
	Test if a value has multiple parts and is iterable. More...
function	is_string (v)
	Test if a value is a string. More...
function	is_vector (v)
	Test if a value is a vector. More...
function	is_boolean (v)
	Test if a value is a boolean constant. More...
function	is_integer (v)
	Test if a value is an integer. More...
function	is_decimal (v)
	Test if a value is a decimal. More...
function	is_number (v)
	Test if a value is a number. More...
function	is_range (v)
	Test if a value is a range definition. More...
function	is_nan (v)
	Test if a numerical value is invalid. More...
function	is_inf (v)
	Test if a numerical value is infinite. More...
function	is_even (v)
	Test if a numerical value is even. More...
function	is_odd (v)
	Test if a numerical value is odd. More...
function	all_equal (v, cv)
	Test if all elements of a value equal a comparison value. More...
function	any_equal (v, cv)
	Test if any element of a value equals a comparison value. More...
function	all_defined (v)
	Test if no element of a value is undefined. More...
function	any_undefined (v)
	Test if any element of a value is undefined. More...
function	all_scalars (v)
	Test if all elements of a value are scalars. More...
function	all_vectors (v)
	Test if all elements of a value are vectors. More...
function	all_strings (v)
	Test if all elements of a value are strings. More...
function	all_numbers (v)
	Test if all elements of a value are numbers. More...
function	all_len (v, l)
	Test if all elements of a value have a given length. More...
function	almost_equal (v1, v2, p=4)
	Test if all elements of two values are approximately equal. More...
function	compare (v1, v2, s=true)
	Compare any two values (may be iterable and/or of different types). More...
function	consts (l, v)
	Create a vector of constant elements. More...
function	vstr (v)
	Convert all vector elements to strings and concatenate. More...
function	sum (v, i1, i2)
	Compute the sum of a vector of numbers. More...
function	find (mv, v, c=1, i, i1=0, i2)
	Find the occurrences of a match value in an iterable value. More...
function	count (mv, v, s=true, i)
	Count all occurrences of a match value in an iterable value. More...
function	exists (mv, v, s=true, i)
	Check the existence of a match value in an iterable value. More...
function	defined_or (v, d)
	Return a defined or default value. More...
function	edefined_or (v, i, d)
	Return a defined vector element or default value. More...
function	first (v)
	Return the first element of an iterable value. More...
function	second (v)
	Return the second element of an iterable value. More...
function	last (v)
	Return the last element of an iterable value. More...
function	nfirst (v, n=1)
	Return a vector containing the first n elements of an iterable value. More...
function	nlast (v, n=1)
	Return a vector containing the last n elements of an iterable value. More...
function	nhead (v, n=1)
	Return a vector containing all but the last n elements of an iterable value. More...
function	ntail (v, n=1)
	Return a vector containing all but the first n elements of an iterable value. More...
function	rselect (v, i)
	Select a range of elements from an iterable value. More...
function	eselect (v, f=true, l=false, i)
	Select an element from each iterable value. More...
function	ciselect (v, i)
	Case-like select a value from a vector of ordered options by index. More...
function	cmvselect (v, mv)
	Case-like select a value from a vector of identified options by match-value. More...
function	smerge (v, r=false)
	Serial-merge vectors of iterable values. More...
function	pmerge (v, j=true)
	Parallel-merge vectors of iterable values. More...
function	reverse (v)
	Reverse the elements of an iterable value. More...
function	qsort (v, r=false)
	Sort the numeric or string elements of a vector using quick sort. More...
function	qsort2 (v, d=0, r=false, s=true)
	Hierarchically sort all elements of a vector using quick sort. More...
function	strip (v, mv=empty_v)
	Strip all matching values from an iterable value. More...
function	eappend (nv, v, r=true, j=true, l=true)
	Append a value to each element of an iterable value. More...
function	insert (nv, v, i=0, mv, mi=0, s=true, si)
	Insert a new value into an iterable value. More...
function	delete (v, i, mv, mc=1, s=true, si)
	Delete elements from an iterable value. More...
function	unique (v)
	Return the unique elements of an iterable value. More...

Detailed Description

Mathematical primitive functions.

Author

Roy Allen Sutton

Date

2015-2017

Copyright

This file is part of omdl, an OpenSCAD mechanical design library.

The omdl is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

The omdl is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with the omdl; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA; or see http://www.gnu.org/licenses/.

Note

Include this library file using the include statement.

Definition in file primitives.scad.