High-Performance Open-Source Archive
move_to_hyperplane() finds the point where a chosen
line and hyperplane intersect.point_on_flat() generates a concrete point on any
given flat of a hyperplane arrangement.ineqsym()set is NULL. New
parameter card goes along with this change: it is necessary
to specify the size of the permutation matrix if set is
NULL.set is now
NULL.a is interpreted.
Essentially it is now the inverse (mod card) of the
previous implementation of a. The new method enhances
consistency with other standards and with the permutation-matrix view of
the function.clampitt_q(), so that it gives correct
results when set includes transpositionally symmetrical
subsets or doubled notes.ianring() gains is_interactive parameter
which allows explicit control over whether the function opens a browser
window (mainly to disable the browser during tests).project_onto() now works for hyperplane arrangements
that are not central, such as those from
make_roth_ineqmat() and
make_rosy_ineqmat().scale_palette() gains an ineqmat
parameter, which improves completeness of results for arrangements other
than the modal color theory arrangement.brightness_comparisons() and
brightnessgraph() gain a goal parameter that
allows voice-leading brightness relationships between different sets to
be studied.clampitt_q() finds the sets that are “Q-related” to
an input (Clampitt 1997, 2007).colornum() now tries to automatically match a
signvector list to the specified ineqmat when the parameter
signvector_list is NULL. (For instance,
colornum(set, ineqmat="pastel") searches the global
environment for pastel_signvectors.)fpmod() allows for safer modulo division in
contexts with octave equivalence.inter_vlsig() finds elementary voice leadings
between sets of different Tn-types.make_infrared_ineqmat() adds a new family of
hyperplane arrangements for studying voice leading.minimize_vl() now returns better results when
method="hamming" by allowing for voice crossings (#4).primary_colornum() gains a signvector_list
parameter to pass to colornum(), allowing it to work
properly for hyperplane arrangements other than the “modal color theory”
arrangement.n for tni() gains a default
value of NULL, in which case the index n is
chosen to create the contextual inversion which keeps the first and last
entries of set fixed.vl_generators() now gives correct results for sets
which fail optc_test().vlsig() parameter index now defaults to
NULL, returning a matrix of all elementary
voice-leadings.normal_form() calculates the normal form of a set
under any combination of OPTIC symmetries, following the algorithm
described by Hook (2023, 416-8).tn(),
tni(), startzero(), and so on gain an
optic parameter, which allows the user to specify the OPTIC
symmetries to consider.make_anaglyph_ineqmat() allows construction of a
new family of hyperplane arrangements (anaglyph arrangements) which
study voice leadings between sets of different set classes.anazero_fingerprint() provides granular information
about the types of hyperplanes that a pair of sets lie on in the
anaglyph arrangement.howfree() and colornum()
because anaglyph arrangements require special handling.make_black_ineqmat() and
make_gray_ineqmat() allow new transposition-sensitive
hyperplane arrangements to be studied; ineqmat parameter for other
functions (e.g. signvector() now accepts “black” and
“gray” as options.make_offset_ineqmat() creates version of standard
ineqmats (MCT, white, black, etc.) which have been translated to be
centered on an arbitrary set.makeineqmat(),
make_black_ineqmat(), make_white_ineqmat(),
make_roth_ineqmat()) now return a consistent value
(integer(0)) rather than various errors when
card is small.roth_ineqmats.rda with precomputed results
from make_roth_ineqmat(); accessed with new
get_roth_ineqmat().make_white_ineqmat().quantize_color(),
quantize_hue(), and
set_from_signvector().reconvert parameter. That is, if
reconvert=TRUE, failure to quantize results in a
NA vector (as before), but if reconvert=FALSE,
failure to quantize results in a list with entries set and
edo, both of which are NA.target_edo parameter,
which allows user to search for desired scales in a specific edo rather
than all possible edos.clockface() offers a simple plotting mechanism to
visualize sets on a pitch-class clockface (with numbers corresponding to
any equal temperament).ianring() creates a convenient way to open a
browser window to information about the input set on Ian Ring’s website
The Exciting Universe of
Music Theory.set_to_distribution(),
distribution_to_set(), and dft().brightnessgraph() now returns an invisible copy of the
igraph graph object underlying the plotted brightness graph, instead of
an invisible NULL.sim() gains a goal parameter, which allows
it to calculate the interscalar interval matrix for two sets.vl_generators() now throws a warning instead of an
error when set is perfectly even, returning a 2-by-0
matrix.
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