List of usage examples for java.lang Math cbrt
public static double cbrt(double a)
From source file:org.esa.beam.util.math.FastMathPerformance.java
public void testCbrt() { System.gc();// w ww . ja v a2 s . c o m double x = 0; long time = System.nanoTime(); for (int i = 0; i < RUNS; i++) x += StrictMath.cbrt(i * F1); long strictTime = System.nanoTime() - time; System.gc(); double y = 0; time = System.nanoTime(); for (int i = 0; i < RUNS; i++) y += FastMath.cbrt(i * F1); long fastTime = System.nanoTime() - time; System.gc(); double z = 0; time = System.nanoTime(); for (int i = 0; i < RUNS; i++) z += Math.cbrt(i * F1); long mathTime = System.nanoTime() - time; report("cbrt", x + y + z, strictTime, fastTime, mathTime); }
From source file:org.florescu.android.rangeseekbar.RangeSeekBar.java
public void setRangeValues(T minValue, T maxValue, boolean generateNewValues) { this.absoluteMinValue = minValue; this.absoluteMaxValue = maxValue; if (minValue.intValue() >= maxValue.intValue()) { throw new IllegalArgumentException("Min value must be less than max value"); }/*from ww w.jav a 2 s . co m*/ if (rangeType == RangeType.CUBIC) { cubicMultiplier = Math.cbrt(absoluteMaxValue.intValue() - absoluteMinValue.intValue()); } else if (rangeType == RangeType.GENERATED && generateNewValues) { generateCustomSteps(); } updateMinDistance(); setValuePrimAndNumberType(); invalidate(); }
From source file:qupath.lib.gui.panels.classify.RandomTrainingRegionSelector.java
public static double[] makeCIELAB(final int rgb, double[] lab) { if (lab == null || lab.length < 3) lab = new double[3]; double r = ColorTools.red(rgb) / 255.0; double g = ColorTools.green(rgb) / 255.0; double b = ColorTools.blue(rgb) / 255.0; double X = 0.412453 * r + 0.357580 * g + 0.180423 * b; double Y = 0.212671 * r + 0.715160 * g + 0.072169 * b; double Z = 0.019334 * r + 0.119193 * g + 0.950227 * b; X /= 0.950456;/*from w ww.ja v a2s .c om*/ Z /= 1.088754; double L = Y > 0.008856 ? 116 * Math.cbrt(Y) - 16 : 903.3 * Y; double A = 500 * (f(X) - f(Y)); double B = 200 * (f(Y) - f(Z)); lab[0] = L; lab[1] = A; lab[2] = B; // if (L > 100 || L < 0) // logger.warn("L = " + L); // if (A < -127 || A > 127) // logger.warn("a = " + A); // if (B < -127 || B > 127) // logger.warn("b = " + B); // //// System.out.println(B); return lab; }
From source file:qupath.lib.gui.panels.classify.RandomTrainingRegionSelector.java
private static double f(final double t) { if (t > 0.008856) return Math.cbrt(t); return 7.787 * t + 16.0 / 116.0; }
From source file:uk.ac.diamond.scisoft.analysis.dataset.Maths.java
/** * cbrt - evaluate the cube root function on each element of the dataset * @param a/* www . j ava2 s. c o m*/ * @return dataset */ @SuppressWarnings("cast") public static AbstractDataset cbrt(final AbstractDataset a) { final int isize; final IndexIterator it = a.getIterator(); AbstractDataset ds; final int dt = a.getDtype(); switch (dt) { case AbstractDataset.INT8: ds = AbstractDataset.zeros(a, AbstractDataset.FLOAT32); final byte[] i8data = ((ByteDataset) a).data; final float[] oi8data = ((FloatDataset) ds).getData(); for (int i = 0; it.hasNext();) { final byte ix = i8data[it.index]; float ox; ox = (float) (Math.cbrt(ix)); oi8data[i++] = ox; } break; case AbstractDataset.INT16: ds = AbstractDataset.zeros(a, AbstractDataset.FLOAT32); final short[] i16data = ((ShortDataset) a).data; final float[] oi16data = ((FloatDataset) ds).getData(); for (int i = 0; it.hasNext();) { final short ix = i16data[it.index]; float ox; ox = (float) (Math.cbrt(ix)); oi16data[i++] = ox; } break; case AbstractDataset.INT32: ds = AbstractDataset.zeros(a, AbstractDataset.FLOAT64); final int[] i32data = ((IntegerDataset) a).data; final double[] oi32data = ((DoubleDataset) ds).getData(); for (int i = 0; it.hasNext();) { final int ix = i32data[it.index]; double ox; ox = (double) (Math.cbrt(ix)); oi32data[i++] = ox; } break; case AbstractDataset.INT64: ds = AbstractDataset.zeros(a, AbstractDataset.FLOAT64); final long[] i64data = ((LongDataset) a).data; final double[] oi64data = ((DoubleDataset) ds).getData(); for (int i = 0; it.hasNext();) { final long ix = i64data[it.index]; double ox; ox = (double) (Math.cbrt(ix)); oi64data[i++] = ox; } break; case AbstractDataset.ARRAYINT8: ds = AbstractDataset.zeros(a, AbstractDataset.ARRAYFLOAT32); isize = a.getElementsPerItem(); final byte[] ai8data = ((CompoundByteDataset) a).data; final float[] oai8data = ((CompoundFloatDataset) ds).getData(); for (int i = 0; it.hasNext();) { for (int j = 0; j < isize; j++) { final byte ix = ai8data[it.index + j]; float ox; ox = (float) (Math.cbrt(ix)); oai8data[i++] = ox; } } break; case AbstractDataset.ARRAYINT16: ds = AbstractDataset.zeros(a, AbstractDataset.ARRAYFLOAT32); isize = a.getElementsPerItem(); final short[] ai16data = ((CompoundShortDataset) a).data; final float[] oai16data = ((CompoundFloatDataset) ds).getData(); for (int i = 0; it.hasNext();) { for (int j = 0; j < isize; j++) { final short ix = ai16data[it.index + j]; float ox; ox = (float) (Math.cbrt(ix)); oai16data[i++] = ox; } } break; case AbstractDataset.ARRAYINT32: ds = AbstractDataset.zeros(a, AbstractDataset.ARRAYFLOAT64); isize = a.getElementsPerItem(); final int[] ai32data = ((CompoundIntegerDataset) a).data; final double[] oai32data = ((CompoundDoubleDataset) ds).getData(); for (int i = 0; it.hasNext();) { for (int j = 0; j < isize; j++) { final int ix = ai32data[it.index + j]; double ox; ox = (double) (Math.cbrt(ix)); oai32data[i++] = ox; } } break; case AbstractDataset.ARRAYINT64: ds = AbstractDataset.zeros(a, AbstractDataset.ARRAYFLOAT64); isize = a.getElementsPerItem(); final long[] ai64data = ((CompoundLongDataset) a).data; final double[] oai64data = ((CompoundDoubleDataset) ds).getData(); for (int i = 0; it.hasNext();) { for (int j = 0; j < isize; j++) { final long ix = ai64data[it.index + j]; double ox; ox = (double) (Math.cbrt(ix)); oai64data[i++] = ox; } } break; case AbstractDataset.FLOAT32: ds = AbstractDataset.zeros(a, AbstractDataset.FLOAT32); final float[] f32data = ((FloatDataset) a).data; final float[] of32data = ((FloatDataset) ds).getData(); for (int i = 0; it.hasNext();) { final float ix = f32data[it.index]; float ox; ox = (float) (Math.cbrt(ix)); of32data[i++] = ox; } break; case AbstractDataset.FLOAT64: ds = AbstractDataset.zeros(a, AbstractDataset.FLOAT64); final double[] f64data = ((DoubleDataset) a).data; final double[] of64data = ((DoubleDataset) ds).getData(); for (int i = 0; it.hasNext();) { final double ix = f64data[it.index]; double ox; ox = (double) (Math.cbrt(ix)); of64data[i++] = ox; } break; case AbstractDataset.ARRAYFLOAT32: ds = AbstractDataset.zeros(a, AbstractDataset.ARRAYFLOAT32); isize = a.getElementsPerItem(); final float[] af32data = ((CompoundFloatDataset) a).data; final float[] oaf32data = ((CompoundFloatDataset) ds).getData(); for (int i = 0; it.hasNext();) { for (int j = 0; j < isize; j++) { final float ix = af32data[it.index + j]; float ox; ox = (float) (Math.cbrt(ix)); oaf32data[i++] = ox; } } break; case AbstractDataset.ARRAYFLOAT64: ds = AbstractDataset.zeros(a, AbstractDataset.ARRAYFLOAT64); isize = a.getElementsPerItem(); final double[] af64data = ((CompoundDoubleDataset) a).data; final double[] oaf64data = ((CompoundDoubleDataset) ds).getData(); for (int i = 0; it.hasNext();) { for (int j = 0; j < isize; j++) { final double ix = af64data[it.index + j]; double ox; ox = (double) (Math.cbrt(ix)); oaf64data[i++] = ox; } } break; case AbstractDataset.COMPLEX64: ds = AbstractDataset.zeros(a, AbstractDataset.COMPLEX64); final float[] c64data = ((ComplexFloatDataset) a).data; final float[] oc64data = ((ComplexFloatDataset) ds).getData(); for (int i = 0; it.hasNext();) { final float ix = c64data[it.index]; final float iy = c64data[it.index + 1]; Complex tz; float ox; float oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (float) (tz.getReal()); oy = (float) (tz.getImaginary()); oc64data[i++] = ox; oc64data[i++] = oy; } break; case AbstractDataset.COMPLEX128: ds = AbstractDataset.zeros(a, AbstractDataset.COMPLEX128); final double[] c128data = ((ComplexDoubleDataset) a).data; final double[] oc128data = ((ComplexDoubleDataset) ds).getData(); for (int i = 0; it.hasNext();) { final double ix = c128data[it.index]; final double iy = c128data[it.index + 1]; Complex tz; double ox; double oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (double) (tz.getReal()); oy = (double) (tz.getImaginary()); oc128data[i++] = ox; oc128data[i++] = oy; } break; default: throw new IllegalArgumentException( "cbrt supports integer, compound integer, real, compound real, complex datasets only"); } ds.setName(a.getName()); addFunctionName(ds, "cbrt"); return ds; }
From source file:org.eclipse.january.dataset.GeneratedMaths.java
/** * cbrt - evaluate the cube root function on each element of the dataset * @param a//from w w w.java2 s.c om * @param o output can be null - in which case, a new dataset is created * @return dataset */ public static Dataset cbrt(final Object a, final Dataset o) { final Dataset da = a instanceof Dataset ? (Dataset) a : DatasetFactory.createFromObject(a); final SingleInputBroadcastIterator it = new SingleInputBroadcastIterator(da, o, true); final Dataset result = it.getOutput(); final int is = result.getElementsPerItem(); final int as = da.getElementsPerItem(); final int dt = result.getDType(); switch (dt) { case Dataset.INT8: final byte[] oi8data = ((ByteDataset) result).getData(); if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oi8data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oi8data[it.oIndex] = ox; } } break; case Dataset.INT16: final short[] oi16data = ((ShortDataset) result).getData(); if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); oi16data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); oi16data[it.oIndex] = ox; } } break; case Dataset.INT64: final long[] oi64data = ((LongDataset) result).getData(); if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); oi64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); oi64data[it.oIndex] = ox; } } break; case Dataset.INT32: final int[] oi32data = ((IntegerDataset) result).getData(); if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); oi32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); oi32data[it.oIndex] = ox; } } break; case Dataset.ARRAYINT8: final byte[] oai8data = ((CompoundByteDataset) result).getData(); if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex] = ox; } } } else if (as == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai8data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai8data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT16: final short[] oai16data = ((CompoundShortDataset) result).getData(); if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex] = ox; } } } else if (as == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai16data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai16data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT64: final long[] oai64data = ((CompoundLongDataset) result).getData(); if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex] = ox; } } } else if (as == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai64data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT32: final int[] oai32data = ((CompoundIntegerDataset) result).getData(); if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex] = ox; } } } else if (as == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai32data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex + j] = ox; } } } } break; case Dataset.FLOAT32: final float[] of32data = ((FloatDataset) result).getData(); if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); of32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); of32data[it.oIndex] = ox; } } break; case Dataset.FLOAT64: final double[] of64data = ((DoubleDataset) result).getData(); if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); of64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); of64data[it.oIndex] = ox; } } break; case Dataset.ARRAYFLOAT32: final float[] oaf32data = ((CompoundFloatDataset) result).getData(); if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex] = ox; } } } else if (as == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf32data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYFLOAT64: final double[] oaf64data = ((CompoundDoubleDataset) result).getData(); if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex] = ox; } } } else if (as == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf64data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex + j] = ox; } } } } break; case Dataset.COMPLEX64: final float[] oc64data = ((ComplexFloatDataset) result).getData(); if (as == 1) { final double iy = 0; while (it.hasNext()) { final double ix = it.aDouble; Complex tz; float ox; float oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (float) (tz.getReal()); oy = (float) (tz.getImaginary()); oc64data[it.oIndex] = ox; oc64data[it.oIndex + 1] = oy; } } else { while (it.hasNext()) { final double ix = it.aDouble; final double iy = da.getElementDoubleAbs(it.aIndex + 1); Complex tz; float ox; float oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (float) (tz.getReal()); oy = (float) (tz.getImaginary()); oc64data[it.oIndex] = ox; oc64data[it.oIndex + 1] = oy; } } break; case Dataset.COMPLEX128: final double[] oc128data = ((ComplexDoubleDataset) result).getData(); if (as == 1) { final double iy = 0; while (it.hasNext()) { final double ix = it.aDouble; Complex tz; double ox; double oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (tz.getReal()); oy = (tz.getImaginary()); oc128data[it.oIndex] = ox; oc128data[it.oIndex + 1] = oy; } } else { while (it.hasNext()) { final double ix = it.aDouble; final double iy = da.getElementDoubleAbs(it.aIndex + 1); Complex tz; double ox; double oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (tz.getReal()); oy = (tz.getImaginary()); oc128data[it.oIndex] = ox; oc128data[it.oIndex + 1] = oy; } } break; default: throw new IllegalArgumentException( "cbrt supports integer, compound integer, real, compound real, complex datasets only"); } addFunctionName(result, "cbrt"); return result; }
From source file:org.eclipse.january.dataset.Maths.java
/** * cbrt - evaluate the cube root function on each element of the dataset * @param a/* www . j a v a 2 s. c o m*/ * @param o output can be null - in which case, a new dataset is created * @return dataset */ public static Dataset cbrt(final Object a, final Dataset o) { final Dataset da = a instanceof Dataset ? (Dataset) a : DatasetFactory.createFromObject(a); final SingleInputBroadcastIterator it = new SingleInputBroadcastIterator(da, o, true); final Dataset result = it.getOutput(); final int is = result.getElementsPerItem(); final int dt = result.getDType(); switch (dt) { case Dataset.INT8: final byte[] oi8data = ((ByteDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oi8data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oi8data[it.oIndex] = ox; } } break; case Dataset.INT16: final short[] oi16data = ((ShortDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); oi16data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); oi16data[it.oIndex] = ox; } } break; case Dataset.INT64: final long[] oi64data = ((LongDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); oi64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); oi64data[it.oIndex] = ox; } } break; case Dataset.INT32: final int[] oi32data = ((IntegerDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); oi32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); oi32data[it.oIndex] = ox; } } break; case Dataset.ARRAYINT8: final byte[] oai8data = ((CompoundByteDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai8data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai8data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT16: final short[] oai16data = ((CompoundShortDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai16data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai16data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT64: final long[] oai64data = ((CompoundLongDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai64data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT32: final int[] oai32data = ((CompoundIntegerDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai32data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex + j] = ox; } } } } break; case Dataset.FLOAT32: final float[] of32data = ((FloatDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); of32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); of32data[it.oIndex] = ox; } } break; case Dataset.FLOAT64: final double[] of64data = ((DoubleDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); of64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); of64data[it.oIndex] = ox; } } break; case Dataset.ARRAYFLOAT32: final float[] oaf32data = ((CompoundFloatDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf32data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYFLOAT64: final double[] oaf64data = ((CompoundDoubleDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf64data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex + j] = ox; } } } } break; case Dataset.COMPLEX64: final float[] oc64data = ((ComplexFloatDataset) result).data; if (da.getElementsPerItem() == 1) { final double iy = 0; while (it.hasNext()) { final double ix = it.aDouble; Complex tz; float ox; float oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (float) (tz.getReal()); oy = (float) (tz.getImaginary()); oc64data[it.oIndex] = ox; oc64data[it.oIndex + 1] = oy; } } else { while (it.hasNext()) { final double ix = it.aDouble; final double iy = da.getElementDoubleAbs(it.aIndex + 1); Complex tz; float ox; float oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (float) (tz.getReal()); oy = (float) (tz.getImaginary()); oc64data[it.oIndex] = ox; oc64data[it.oIndex + 1] = oy; } } break; case Dataset.COMPLEX128: final double[] oc128data = ((ComplexDoubleDataset) result).data; if (da.getElementsPerItem() == 1) { final double iy = 0; while (it.hasNext()) { final double ix = it.aDouble; Complex tz; double ox; double oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (tz.getReal()); oy = (tz.getImaginary()); oc128data[it.oIndex] = ox; oc128data[it.oIndex + 1] = oy; } } else { while (it.hasNext()) { final double ix = it.aDouble; final double iy = da.getElementDoubleAbs(it.aIndex + 1); Complex tz; double ox; double oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (tz.getReal()); oy = (tz.getImaginary()); oc128data[it.oIndex] = ox; oc128data[it.oIndex + 1] = oy; } } break; default: throw new IllegalArgumentException( "cbrt supports integer, compound integer, real, compound real, complex datasets only"); } addFunctionName(result, "cbrt"); return result; }
From source file:org.eclipse.dataset.Maths.java
/** * cbrt - evaluate the cube root function on each element of the dataset * @param a//from ww w .ja v a 2 s . c o m * @param o output can be null - in which case, a new dataset is created * @return dataset */ public static Dataset cbrt(final Object a, final Dataset o) { final Dataset da = a instanceof Dataset ? (Dataset) a : DatasetFactory.createFromObject(a); final SingleInputBroadcastIterator it = new SingleInputBroadcastIterator(da, o, true); final Dataset result = it.getOutput(); final int is = result.getElementsPerItem(); final int dt = result.getDtype(); switch (dt) { case Dataset.INT8: final byte[] oi8data = ((ByteDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oi8data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oi8data[it.oIndex] = ox; } } break; case Dataset.INT16: final short[] oi16data = ((ShortDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); oi16data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); oi16data[it.oIndex] = ox; } } break; case Dataset.INT64: final long[] oi64data = ((LongDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); oi64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); oi64data[it.oIndex] = ox; } } break; case Dataset.INT32: final int[] oi32data = ((IntegerDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); oi32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); oi32data[it.oIndex] = ox; } } break; case Dataset.ARRAYINT8: final byte[] oai8data = ((CompoundByteDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; byte ox; ox = (byte) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai8data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; byte ox; ox = (byte) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai8data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); byte ox; ox = (byte) toLong(Math.cbrt(ix)); oai8data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT16: final short[] oai16data = ((CompoundShortDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; short ox; ox = (short) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai16data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; short ox; ox = (short) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai16data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); short ox; ox = (short) toLong(Math.cbrt(ix)); oai16data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT64: final long[] oai64data = ((CompoundLongDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; long ox; ox = toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; long ox; ox = toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai64data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); long ox; ox = toLong(Math.cbrt(ix)); oai64data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYINT32: final int[] oai32data = ((CompoundIntegerDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; int ox; ox = (int) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; int ox; ox = (int) toLong(Math.cbrt(ix)); for (int j = 0; j < is; j++) { oai32data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); int ox; ox = (int) toLong(Math.cbrt(ix)); oai32data[it.oIndex + j] = ox; } } } } break; case Dataset.FLOAT32: final float[] of32data = ((FloatDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); of32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); of32data[it.oIndex] = ox; } } break; case Dataset.FLOAT64: final double[] of64data = ((DoubleDataset) result).data; if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); of64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); of64data[it.oIndex] = ox; } } break; case Dataset.ARRAYFLOAT32: final float[] oaf32data = ((CompoundFloatDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; float ox; ox = (float) (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; float ox; ox = (float) (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf32data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); float ox; ox = (float) (Math.cbrt(ix)); oaf32data[it.oIndex + j] = ox; } } } } break; case Dataset.ARRAYFLOAT64: final double[] oaf64data = ((CompoundDoubleDataset) result).data; if (is == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex] = ox; } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex] = ox; } } } else if (da.getElementsPerItem() == 1) { if (it.isOutputDouble()) { while (it.hasNext()) { final double ix = it.aDouble; double ox; ox = (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { final long ix = it.aLong; double ox; ox = (Math.cbrt(ix)); for (int j = 0; j < is; j++) { oaf64data[it.oIndex + j] = ox; } } } } else { if (it.isOutputDouble()) { while (it.hasNext()) { for (int j = 0; j < is; j++) { final double ix = da.getElementDoubleAbs(it.aIndex + j); double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex + j] = ox; } } } else { while (it.hasNext()) { for (int j = 0; j < is; j++) { final long ix = da.getElementLongAbs(it.aIndex + j); double ox; ox = (Math.cbrt(ix)); oaf64data[it.oIndex + j] = ox; } } } } break; case Dataset.COMPLEX64: final float[] oc64data = ((ComplexFloatDataset) result).data; if (da.getElementsPerItem() == 1) { final double iy = 0; while (it.hasNext()) { final double ix = it.aDouble; Complex tz; float ox; float oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (float) (tz.getReal()); oy = (float) (tz.getImaginary()); oc64data[it.oIndex] = ox; oc64data[it.oIndex + 1] = oy; } } else { while (it.hasNext()) { final double ix = it.aDouble; final double iy = da.getElementDoubleAbs(it.aIndex + 1); Complex tz; float ox; float oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (float) (tz.getReal()); oy = (float) (tz.getImaginary()); oc64data[it.oIndex] = ox; oc64data[it.oIndex + 1] = oy; } } break; case Dataset.COMPLEX128: final double[] oc128data = ((ComplexDoubleDataset) result).data; if (da.getElementsPerItem() == 1) { final double iy = 0; while (it.hasNext()) { final double ix = it.aDouble; Complex tz; double ox; double oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (tz.getReal()); oy = (tz.getImaginary()); oc128data[it.oIndex] = ox; oc128data[it.oIndex + 1] = oy; } } else { while (it.hasNext()) { final double ix = it.aDouble; final double iy = da.getElementDoubleAbs(it.aIndex + 1); Complex tz; double ox; double oy; tz = new Complex(ix, iy).pow(new Complex(1. / 3., 0)); ox = (tz.getReal()); oy = (tz.getImaginary()); oc128data[it.oIndex] = ox; oc128data[it.oIndex + 1] = oy; } } break; default: throw new IllegalArgumentException( "cbrt supports integer, compound integer, real, compound real, complex datasets only"); } addFunctionName(result, "cbrt"); return result; }