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divergeralandefreitas
diverger
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alandefreitas
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Added new colormap 'turbo' which exist in Matlab.
1 parent 153308d commit 60f4b1f

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‎source/matplot/util/colors.cpp

Lines changed: 143 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -711,6 +711,149 @@ namespace matplot {
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}
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return result;
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}
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std::vector<std::vector<double>> turbo(size_t n) {
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static std::vector<std::vector<double>> map = {
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{0.189950, 0.071760, 0.232170}, {0.194830, 0.083390, 0.261490},
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{0.199560, 0.094980, 0.290240}, {0.204150, 0.106520, 0.318440},
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{0.208600, 0.118020, 0.346070}, {0.212910, 0.129470, 0.373140},
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{0.217080, 0.140870, 0.399640}, {0.221110, 0.152230, 0.425580},
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{0.225000, 0.163540, 0.450960}, {0.228750, 0.174810, 0.475780},
721+
{0.232360, 0.186030, 0.500040}, {0.235820, 0.197200, 0.523730},
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{0.239150, 0.208330, 0.546860}, {0.242340, 0.219410, 0.569420},
723+
{0.245390, 0.230440, 0.591420}, {0.248300, 0.241430, 0.612860},
724+
{0.251070, 0.252370, 0.633740}, {0.253690, 0.263270, 0.654060},
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{0.256180, 0.274120, 0.673810}, {0.258530, 0.284920, 0.693000},
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{0.260740, 0.295680, 0.711620}, {0.262800, 0.306390, 0.729680},
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{0.264730, 0.317060, 0.747180}, {0.266520, 0.327680, 0.764120},
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{0.268160, 0.338250, 0.780500}, {0.269670, 0.348780, 0.796310},
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{0.271030, 0.359260, 0.811560}, {0.272260, 0.369700, 0.826240},
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{0.273340, 0.380080, 0.840370}, {0.274290, 0.390430, 0.853930},
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{0.275090, 0.400720, 0.866920}, {0.275760, 0.410970, 0.879360},
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{0.276280, 0.421180, 0.891230}, {0.276670, 0.431340, 0.902540},
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{0.276910, 0.441450, 0.913280}, {0.277010, 0.451520, 0.923470},
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{0.276980, 0.461530, 0.933090}, {0.276800, 0.471510, 0.942140},
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{0.276480, 0.481440, 0.950640}, {0.276030, 0.491320, 0.958570},
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{0.275430, 0.501150, 0.965940}, {0.274690, 0.510940, 0.972750},
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{0.273810, 0.520690, 0.978990}, {0.272730, 0.530400, 0.984610},
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{0.271060, 0.540150, 0.989300}, {0.268780, 0.549950, 0.993030},
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{0.265920, 0.559790, 0.995830}, {0.262520, 0.569670, 0.997730},
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{0.258620, 0.579580, 0.998760}, {0.254250, 0.589500, 0.998960},
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{0.249460, 0.599430, 0.998350}, {0.244270, 0.609370, 0.996970},
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{0.238740, 0.619310, 0.994850}, {0.232880, 0.629230, 0.992020},
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{0.226760, 0.639130, 0.988510}, {0.220390, 0.649010, 0.984360},
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{0.213820, 0.658860, 0.979590}, {0.207080, 0.668660, 0.974230},
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{0.200210, 0.678420, 0.968330}, {0.193260, 0.688120, 0.961900},
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{0.186250, 0.697750, 0.954980}, {0.179230, 0.707320, 0.947610},
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{0.172230, 0.716800, 0.939810}, {0.165290, 0.726200, 0.931610},
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{0.158440, 0.735510, 0.923050}, {0.151730, 0.744720, 0.914160},
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{0.145190, 0.753810, 0.904960}, {0.138860, 0.762790, 0.895500},
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{0.132780, 0.771650, 0.885800}, {0.126980, 0.780370, 0.875900},
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{0.121510, 0.788960, 0.865810}, {0.116390, 0.797400, 0.855590},
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{0.111670, 0.805690, 0.845250}, {0.107380, 0.813810, 0.834840},
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{0.103570, 0.821770, 0.824370}, {0.100260, 0.829550, 0.813890},
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{0.097500, 0.837140, 0.803420}, {0.095320, 0.844550, 0.792990},
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{0.093770, 0.851750, 0.782640}, {0.092870, 0.858750, 0.772400},
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{0.092670, 0.865540, 0.762300}, {0.093200, 0.872110, 0.752370},
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{0.094510, 0.878440, 0.742650}, {0.096620, 0.884540, 0.733160},
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{0.099580, 0.890400, 0.723930}, {0.103420, 0.896000, 0.715000},
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{0.108150, 0.901420, 0.705990}, {0.113740, 0.906730, 0.696510},
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{0.120140, 0.911930, 0.686600}, {0.127330, 0.917010, 0.676270},
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{0.135260, 0.921970, 0.665560}, {0.143910, 0.926800, 0.654480},
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{0.153230, 0.931510, 0.643080}, {0.163190, 0.936090, 0.631370},
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{0.173770, 0.940530, 0.619380}, {0.184910, 0.944840, 0.607130},
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{0.196590, 0.949010, 0.594660}, {0.208770, 0.953040, 0.581990},
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{0.221420, 0.956920, 0.569140}, {0.234490, 0.960650, 0.556140},
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{0.247970, 0.964230, 0.543030}, {0.261800, 0.967650, 0.529810},
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{0.275970, 0.970920, 0.516530}, {0.290420, 0.974030, 0.503210},
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{0.305130, 0.976970, 0.489870}, {0.320060, 0.979740, 0.476540},
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{0.335170, 0.982340, 0.463250}, {0.350430, 0.984770, 0.450020},
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{0.365810, 0.987020, 0.436880}, {0.381270, 0.989090, 0.423860},
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{0.396780, 0.990980, 0.410980}, {0.412290, 0.992680, 0.398260},
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{0.427780, 0.994190, 0.385750}, {0.443210, 0.995510, 0.373450},
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{0.458540, 0.996630, 0.361400}, {0.473750, 0.997550, 0.349630},
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{0.488790, 0.998280, 0.338160}, {0.503620, 0.998790, 0.327010},
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{0.518220, 0.999100, 0.316220}, {0.532550, 0.999190, 0.305810},
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{0.546580, 0.999070, 0.295810}, {0.560260, 0.998730, 0.286230},
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{0.573570, 0.998170, 0.277120}, {0.586460, 0.997390, 0.268490},
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{0.598910, 0.996380, 0.260380}, {0.610880, 0.995140, 0.252800},
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{0.622330, 0.993660, 0.245790}, {0.633230, 0.991950, 0.239370},
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{0.643620, 0.989990, 0.233560}, {0.653940, 0.987750, 0.228350},
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{0.664280, 0.985240, 0.223700}, {0.674620, 0.982460, 0.219600},
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{0.684940, 0.979410, 0.216020}, {0.695250, 0.976100, 0.212940},
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{0.705530, 0.972550, 0.210320}, {0.715770, 0.968750, 0.208150},
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{0.725960, 0.964700, 0.206400}, {0.736100, 0.960430, 0.205040},
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{0.746170, 0.955930, 0.204060}, {0.756170, 0.951210, 0.203430},
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{0.766080, 0.946270, 0.203110}, {0.775910, 0.941130, 0.203100},
787+
{0.785630, 0.935790, 0.203360}, {0.795240, 0.930250, 0.203860},
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{0.804730, 0.924520, 0.204590}, {0.814100, 0.918610, 0.205520},
789+
{0.823330, 0.912530, 0.206630}, {0.832410, 0.906270, 0.207880},
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{0.841330, 0.899860, 0.209260}, {0.850100, 0.893280, 0.210740},
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{0.858680, 0.886550, 0.212300}, {0.867090, 0.879680, 0.213910},
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{0.875300, 0.872670, 0.215550}, {0.883310, 0.865530, 0.217190},
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{0.891120, 0.858260, 0.218800}, {0.898700, 0.850870, 0.220380},
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{0.906050, 0.843370, 0.221880}, {0.913170, 0.835760, 0.223280},
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{0.920040, 0.828060, 0.224560}, {0.926660, 0.820250, 0.225700},
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{0.933010, 0.812360, 0.226670}, {0.939090, 0.804390, 0.227440},
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{0.944890, 0.796340, 0.228000}, {0.950390, 0.788230, 0.228310},
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{0.955600, 0.780050, 0.228360}, {0.960490, 0.771810, 0.228110},
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{0.965070, 0.763520, 0.227540}, {0.969310, 0.755190, 0.226630},
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{0.973230, 0.746820, 0.225360}, {0.976790, 0.738420, 0.223690},
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{0.980000, 0.730000, 0.221610}, {0.982890, 0.721400, 0.219180},
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{0.985490, 0.712500, 0.216500}, {0.987810, 0.703300, 0.213580},
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{0.989860, 0.693820, 0.210430}, {0.991630, 0.684080, 0.207060},
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{0.993140, 0.674080, 0.203480}, {0.994380, 0.663860, 0.199710},
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{0.995350, 0.653410, 0.195770}, {0.996070, 0.642770, 0.191650},
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{0.996540, 0.631930, 0.187380}, {0.996750, 0.620930, 0.182970},
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{0.996720, 0.609770, 0.178420}, {0.996440, 0.598460, 0.173760},
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{0.995930, 0.587030, 0.168990}, {0.995170, 0.575490, 0.164120},
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{0.994190, 0.563860, 0.159180}, {0.992970, 0.552140, 0.154170},
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{0.991530, 0.540360, 0.149100}, {0.989870, 0.528540, 0.143980},
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{0.987990, 0.516670, 0.138830}, {0.985900, 0.504790, 0.133670},
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{0.983600, 0.492910, 0.128490}, {0.981080, 0.481040, 0.123320},
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{0.978370, 0.469200, 0.118170}, {0.975450, 0.457400, 0.113050},
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{0.972340, 0.445650, 0.107970}, {0.969040, 0.433990, 0.102940},
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{0.965550, 0.422410, 0.097980}, {0.961870, 0.410930, 0.093100},
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{0.958010, 0.399580, 0.088310}, {0.953980, 0.388360, 0.083620},
817+
{0.949770, 0.377290, 0.079050}, {0.945380, 0.366380, 0.074610},
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{0.940840, 0.355660, 0.070310}, {0.936120, 0.345130, 0.066160},
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{0.931250, 0.334820, 0.062180}, {0.926230, 0.324730, 0.058370},
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{0.921050, 0.314890, 0.054750}, {0.915720, 0.305300, 0.051340},
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{0.910240, 0.295990, 0.048140}, {0.904630, 0.286960, 0.045160},
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{0.898880, 0.278240, 0.042430}, {0.892980, 0.269810, 0.039930},
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{0.886910, 0.261520, 0.037530}, {0.880660, 0.253340, 0.035210},
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{0.874220, 0.245260, 0.032970}, {0.867600, 0.237300, 0.030820},
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{0.860790, 0.229450, 0.028750}, {0.853800, 0.221700, 0.026770},
826+
{0.846620, 0.214070, 0.024870}, {0.839260, 0.206540, 0.023050},
827+
{0.831720, 0.199120, 0.021310}, {0.823990, 0.191820, 0.019660},
828+
{0.816080, 0.184620, 0.018090}, {0.807990, 0.177530, 0.016600},
829+
{0.799710, 0.170550, 0.015200}, {0.791250, 0.163680, 0.013870},
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{0.782600, 0.156930, 0.012640}, {0.773770, 0.150280, 0.011480},
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{0.764760, 0.143740, 0.010410}, {0.755560, 0.137310, 0.009420},
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{0.746170, 0.130980, 0.008510}, {0.736610, 0.124770, 0.007690},
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{0.726860, 0.118670, 0.006950}, {0.716920, 0.112680, 0.006290},
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{0.706800, 0.106800, 0.005710}, {0.696500, 0.101020, 0.005220},
835+
{0.686020, 0.095360, 0.004810}, {0.675350, 0.089800, 0.004490},
836+
{0.664490, 0.084360, 0.004240}, {0.653450, 0.079020, 0.004080},
837+
{0.642230, 0.073800, 0.004010}, {0.630820, 0.068680, 0.004010},
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{0.619230, 0.063670, 0.004100}, {0.607460, 0.058780, 0.004270},
839+
{0.595500, 0.053990, 0.004530}, {0.583360, 0.049310, 0.004860},
840+
{0.571030, 0.044740, 0.005290}, {0.558520, 0.040280, 0.005790},
841+
{0.545830, 0.035930, 0.006380}, {0.532950, 0.031690, 0.007050},
842+
{0.519890, 0.027560, 0.007800}, {0.506640, 0.023540, 0.008630},
843+
{0.493210, 0.019630, 0.009550}, {0.479600, 0.015830, 0.010550}};
844+
if (n == 256) {
845+
return map;
846+
}
847+
std::vector<std::vector<double>> result;
848+
for (size_t i = 0; i < n; ++i) {
849+
std::array<float, 4> ac =
850+
colormap_interpolation(static_cast<double>(i), 0.,
851+
static_cast<double>(n - 1), map);
852+
std::vector<double> vc = {ac[1], ac[2], ac[3]};
853+
result.emplace_back(vc);
854+
}
855+
return result;
856+
}
714857
std::vector<std::vector<double>> magma(size_t n) {
715858
static std::vector<std::vector<double>> map = {
716859
{0.001462, 0.000466, 0.013866}, {0.002258, 0.001295, 0.018331},

‎source/matplot/util/colors.h

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -104,6 +104,7 @@ namespace matplot {
104104
std::vector<std::vector<double>> greys(size_t n = 8);
105105
std::vector<std::vector<double>> inferno(size_t n = 256);
106106
std::vector<std::vector<double>> jet(size_t n = 64);
107+
std::vector<std::vector<double>> turbo(size_t n = 256);
107108
std::vector<std::vector<double>> magma(size_t n = 256);
108109
std::vector<std::vector<double>> oranges(size_t n = 8);
109110
std::vector<std::vector<double>> orrd(size_t n = 8);

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