Merge pull request #8 from datahaki/v094

v094

README.md

@@ -1,6 +1,8 @@
-# ch.ethz.idsc.tensor <a href="https://travis-ci.org/idsc-frazzoli/tensor"><img src="https://travis-ci.org/idsc-frazzoli/tensor.svg?branch=master" alt="Build Status"></a>
+![alpine_877](https://user-images.githubusercontent.com/4012178/116814864-1b1a1580-ab5b-11eb-97e6-1441af4ececa.png)
 
-Library for tensor computations in Java, version `0.9.3`
+# ch.alpine.tensor <a href="https://travis-ci.com/datahaki/tensor"><img src="https://travis-ci.com/datahaki/tensor.svg?branch=master" alt="Build Status"></a>
+
+Library for tensor computations in Java, version `0.9.4`
 
 The tensor library was developed with the following objectives in mind
 * support for exact precision using integer fractions
@@ -286,9 +288,9 @@ Specify `repository` and `dependency` of the tensor library in the `pom.xml` fil
 
 <dependencies>
   <dependency>
-    <groupId>ch.ethz.idsc</groupId>
+    <groupId>ch.alpine</groupId>
     <artifactId>tensor</artifactId>
-    <version>0.9.3</version>
+    <version>0.9.4</version>
   </dependency>
 </dependencies>
 ```

pom.xml

@@ -3,9 +3,9 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
-	<groupId>ch.ethz.idsc</groupId>
+	<groupId>ch.alpine</groupId>
 	<artifactId>tensor</artifactId>
-	<version>0.9.3</version>
+	<version>0.9.4</version>
 	<packaging>jar</packaging>
 
 	<name>tensor</name>

src/main/java/ch/ethz/idsc/tensor/AbstractRealScalar.java → src/main/java/ch/alpine/tensor/AbstractRealScalar.java

@@ -1,14 +1,14 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
 
-import ch.ethz.idsc.tensor.api.ComplexEmbedding;
-import ch.ethz.idsc.tensor.num.Pi;
-import ch.ethz.idsc.tensor.sca.Exp;
-import ch.ethz.idsc.tensor.sca.Log;
-import ch.ethz.idsc.tensor.sca.Sign;
+import ch.alpine.tensor.api.ComplexEmbedding;
+import ch.alpine.tensor.num.Pi;
+import ch.alpine.tensor.sca.Exp;
+import ch.alpine.tensor.sca.Log;
+import ch.alpine.tensor.sca.Sign;
 
 /** suggested base class for implementations of {@link RealScalar} */
 public abstract class AbstractRealScalar extends AbstractScalar implements RealScalar {

src/main/java/ch/ethz/idsc/tensor/AbstractScalar.java → src/main/java/ch/alpine/tensor/AbstractScalar.java

@@ -1,5 +1,5 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.util.Iterator;
 import java.util.List;

src/main/java/ch/ethz/idsc/tensor/BigDecimalMath.java → src/main/java/ch/alpine/tensor/BigDecimalMath.java

@@ -1,12 +1,12 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.math.MathContext;
 import java.math.RoundingMode;
 
-import ch.ethz.idsc.tensor.ext.Integers;
+import ch.alpine.tensor.ext.Integers;
 
 /** implementation is standalone */
 /* package */ enum BigDecimalMath {

src/main/java/ch/ethz/idsc/tensor/BigFraction.java → src/main/java/ch/alpine/tensor/BigFraction.java

@@ -1,5 +1,5 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.io.Serializable;
 import java.math.BigInteger;

src/main/java/ch/ethz/idsc/tensor/BigIntegerMath.java → src/main/java/ch/alpine/tensor/BigIntegerMath.java

@@ -1,5 +1,5 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.math.BigInteger;
 import java.util.Optional;

src/main/java/ch/ethz/idsc/tensor/ComplexHelper.java → src/main/java/ch/alpine/tensor/ComplexHelper.java

@@ -1,11 +1,11 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
-import ch.ethz.idsc.tensor.nrm.Hypot;
-import ch.ethz.idsc.tensor.sca.Abs;
-import ch.ethz.idsc.tensor.sca.Arg;
-import ch.ethz.idsc.tensor.sca.Sign;
-import ch.ethz.idsc.tensor.sca.Sqrt;
+import ch.alpine.tensor.nrm.Hypot;
+import ch.alpine.tensor.sca.Abs;
+import ch.alpine.tensor.sca.Arg;
+import ch.alpine.tensor.sca.Sign;
+import ch.alpine.tensor.sca.Sqrt;
 
 /** auxiliary functions used in {@link ComplexScalarImpl} */
 /* package */ enum ComplexHelper {

src/main/java/ch/ethz/idsc/tensor/ComplexScalar.java → src/main/java/ch/alpine/tensor/ComplexScalar.java

@@ -1,24 +1,24 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.util.Objects;
 
-import ch.ethz.idsc.tensor.api.AbsInterface;
-import ch.ethz.idsc.tensor.api.ArcTanInterface;
-import ch.ethz.idsc.tensor.api.ArgInterface;
-import ch.ethz.idsc.tensor.api.ComplexEmbedding;
-import ch.ethz.idsc.tensor.api.ConjugateInterface;
-import ch.ethz.idsc.tensor.api.ExpInterface;
-import ch.ethz.idsc.tensor.api.LogInterface;
-import ch.ethz.idsc.tensor.api.PowerInterface;
-import ch.ethz.idsc.tensor.api.RoundingInterface;
-import ch.ethz.idsc.tensor.api.SignInterface;
-import ch.ethz.idsc.tensor.api.SqrtInterface;
-import ch.ethz.idsc.tensor.api.TrigonometryInterface;
-import ch.ethz.idsc.tensor.qty.Quantity;
-import ch.ethz.idsc.tensor.sca.Cos;
-import ch.ethz.idsc.tensor.sca.Sign;
-import ch.ethz.idsc.tensor.sca.Sin;
+import ch.alpine.tensor.api.AbsInterface;
+import ch.alpine.tensor.api.ArcTanInterface;
+import ch.alpine.tensor.api.ArgInterface;
+import ch.alpine.tensor.api.ComplexEmbedding;
+import ch.alpine.tensor.api.ConjugateInterface;
+import ch.alpine.tensor.api.ExpInterface;
+import ch.alpine.tensor.api.LogInterface;
+import ch.alpine.tensor.api.PowerInterface;
+import ch.alpine.tensor.api.RoundingInterface;
+import ch.alpine.tensor.api.SignInterface;
+import ch.alpine.tensor.api.SqrtInterface;
+import ch.alpine.tensor.api.TrigonometryInterface;
+import ch.alpine.tensor.qty.Quantity;
+import ch.alpine.tensor.sca.Cos;
+import ch.alpine.tensor.sca.Sign;
+import ch.alpine.tensor.sca.Sin;
 
 /** complex number
  * 

src/main/java/ch/ethz/idsc/tensor/ComplexScalarImpl.java → src/main/java/ch/alpine/tensor/ComplexScalarImpl.java

@@ -1,33 +1,33 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.io.Serializable;
 import java.math.BigInteger;
 import java.math.MathContext;
 import java.util.Optional;
 
-import ch.ethz.idsc.tensor.api.ChopInterface;
-import ch.ethz.idsc.tensor.api.ComplexEmbedding;
-import ch.ethz.idsc.tensor.api.ExactScalarQInterface;
-import ch.ethz.idsc.tensor.api.MachineNumberQInterface;
-import ch.ethz.idsc.tensor.api.NInterface;
-import ch.ethz.idsc.tensor.nrm.Hypot;
-import ch.ethz.idsc.tensor.num.BinaryPower;
-import ch.ethz.idsc.tensor.num.ScalarProduct;
-import ch.ethz.idsc.tensor.qty.Quantity;
-import ch.ethz.idsc.tensor.sca.Abs;
-import ch.ethz.idsc.tensor.sca.ArcTan;
-import ch.ethz.idsc.tensor.sca.Ceiling;
-import ch.ethz.idsc.tensor.sca.Chop;
-import ch.ethz.idsc.tensor.sca.Cos;
-import ch.ethz.idsc.tensor.sca.Cosh;
-import ch.ethz.idsc.tensor.sca.Exp;
-import ch.ethz.idsc.tensor.sca.Floor;
-import ch.ethz.idsc.tensor.sca.Log;
-import ch.ethz.idsc.tensor.sca.N;
-import ch.ethz.idsc.tensor.sca.Round;
-import ch.ethz.idsc.tensor.sca.Sin;
-import ch.ethz.idsc.tensor.sca.Sinh;
+import ch.alpine.tensor.api.ChopInterface;
+import ch.alpine.tensor.api.ComplexEmbedding;
+import ch.alpine.tensor.api.ExactScalarQInterface;
+import ch.alpine.tensor.api.MachineNumberQInterface;
+import ch.alpine.tensor.api.NInterface;
+import ch.alpine.tensor.nrm.Hypot;
+import ch.alpine.tensor.num.BinaryPower;
+import ch.alpine.tensor.num.ScalarProduct;
+import ch.alpine.tensor.qty.Quantity;
+import ch.alpine.tensor.sca.Abs;
+import ch.alpine.tensor.sca.ArcTan;
+import ch.alpine.tensor.sca.Ceiling;
+import ch.alpine.tensor.sca.Chop;
+import ch.alpine.tensor.sca.Cos;
+import ch.alpine.tensor.sca.Cosh;
+import ch.alpine.tensor.sca.Exp;
+import ch.alpine.tensor.sca.Floor;
+import ch.alpine.tensor.sca.Log;
+import ch.alpine.tensor.sca.N;
+import ch.alpine.tensor.sca.Round;
+import ch.alpine.tensor.sca.Sin;
+import ch.alpine.tensor.sca.Sinh;
 
 /* package */ class ComplexScalarImpl extends AbstractScalar implements ComplexScalar, //
     ChopInterface, ExactScalarQInterface, MachineNumberQInterface, NInterface, Serializable {

src/main/java/ch/ethz/idsc/tensor/DecimalScalar.java → src/main/java/ch/alpine/tensor/DecimalScalar.java

@@ -1,5 +1,5 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.io.Serializable;
 import java.math.BigDecimal;
@@ -8,11 +8,11 @@
 import java.util.Objects;
 import java.util.OptionalInt;
 
-import ch.ethz.idsc.tensor.api.ChopInterface;
-import ch.ethz.idsc.tensor.api.NInterface;
-import ch.ethz.idsc.tensor.num.Pi;
-import ch.ethz.idsc.tensor.sca.Chop;
-import ch.ethz.idsc.tensor.sca.N;
+import ch.alpine.tensor.api.ChopInterface;
+import ch.alpine.tensor.api.NInterface;
+import ch.alpine.tensor.num.Pi;
+import ch.alpine.tensor.sca.Chop;
+import ch.alpine.tensor.sca.N;
 
 /** a decimal scalar encodes a number as {@link BigDecimal}.
  * Unless the precision is explicitly specified, MathContext.DECIMAL128 is used.

src/main/java/ch/ethz/idsc/tensor/DeterminateScalarQ.java → src/main/java/ch/alpine/tensor/DeterminateScalarQ.java

@@ -1,5 +1,5 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 /** not Infinity or NaN
  * 

src/main/java/ch/ethz/idsc/tensor/DoubleScalar.java → src/main/java/ch/alpine/tensor/DoubleScalar.java

@@ -1,13 +1,13 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.io.Serializable;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 
-import ch.ethz.idsc.tensor.api.ChopInterface;
-import ch.ethz.idsc.tensor.api.MachineNumberQInterface;
-import ch.ethz.idsc.tensor.sca.Chop;
+import ch.alpine.tensor.api.ChopInterface;
+import ch.alpine.tensor.api.MachineNumberQInterface;
+import ch.alpine.tensor.sca.Chop;
 
 /** scalar with double precision, 64-bit, MATLAB style
  * 

src/main/java/ch/ethz/idsc/tensor/ExactScalarQ.java → src/main/java/ch/alpine/tensor/ExactScalarQ.java

@@ -1,12 +1,12 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.util.Objects;
 
-import ch.ethz.idsc.tensor.api.ExactScalarQInterface;
-import ch.ethz.idsc.tensor.mat.re.RowReduce;
-import ch.ethz.idsc.tensor.mat.sv.SingularValueDecomposition;
-import ch.ethz.idsc.tensor.qty.Quantity;
+import ch.alpine.tensor.api.ExactScalarQInterface;
+import ch.alpine.tensor.mat.re.RowReduce;
+import ch.alpine.tensor.mat.sv.SingularValueDecomposition;
+import ch.alpine.tensor.qty.Quantity;
 
 /** predicate to test if scalar is encoded in exact precision.
  * result is determined by implementation of {@link ExactScalarQInterface}.

src/main/java/ch/ethz/idsc/tensor/ExactTensorQ.java → src/main/java/ch/alpine/tensor/ExactTensorQ.java

@@ -1,7 +1,7 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
-import ch.ethz.idsc.tensor.api.ExactScalarQInterface;
+import ch.alpine.tensor.api.ExactScalarQInterface;
 
 /** @see ExactScalarQInterface
  * @see ExactScalarQ */

src/main/java/ch/ethz/idsc/tensor/IntegerQ.java → src/main/java/ch/alpine/tensor/IntegerQ.java

@@ -1,5 +1,5 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.util.Objects;
 

src/main/java/ch/ethz/idsc/tensor/MachineNumberQ.java → src/main/java/ch/alpine/tensor/MachineNumberQ.java

@@ -1,9 +1,9 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.util.Objects;
 
-import ch.ethz.idsc.tensor.api.MachineNumberQInterface;
+import ch.alpine.tensor.api.MachineNumberQInterface;
 
 /** implementation consistent with Mathematica
  * <pre>

src/main/java/ch/ethz/idsc/tensor/NumberQ.java → src/main/java/ch/alpine/tensor/NumberQ.java

@@ -1,7 +1,7 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
-import ch.ethz.idsc.tensor.qty.Quantity;
+import ch.alpine.tensor.qty.Quantity;
 
 /** implementation consistent with Mathematica
  * 

src/main/java/ch/ethz/idsc/tensor/Parallelize.java → src/main/java/ch/alpine/tensor/Parallelize.java

@@ -1,5 +1,5 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.util.List;
 import java.util.function.BiFunction;

src/main/java/ch/ethz/idsc/tensor/QuantityParser.java → src/main/java/ch/alpine/tensor/QuantityParser.java

@@ -1,8 +1,8 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
-import ch.ethz.idsc.tensor.qty.Quantity;
-import ch.ethz.idsc.tensor.qty.Unit;
+import ch.alpine.tensor.qty.Quantity;
+import ch.alpine.tensor.qty.Unit;
 
 /* package */ enum QuantityParser {
   ;

src/main/java/ch/ethz/idsc/tensor/RationalScalar.java → src/main/java/ch/alpine/tensor/RationalScalar.java

@@ -1,5 +1,5 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.io.Serializable;
 import java.math.BigDecimal;
@@ -10,8 +10,8 @@
 import java.util.Optional;
 import java.util.OptionalInt;
 
-import ch.ethz.idsc.tensor.api.ExactScalarQInterface;
-import ch.ethz.idsc.tensor.api.NInterface;
+import ch.alpine.tensor.api.ExactScalarQInterface;
+import ch.alpine.tensor.api.NInterface;
 
 /** a RationalScalar corresponds to an element from the field of rational numbers.
  * 

src/main/java/ch/ethz/idsc/tensor/RealScalar.java → src/main/java/ch/alpine/tensor/RealScalar.java

@@ -1,21 +1,21 @@
 // code by jph
-package ch.ethz.idsc.tensor;
+package ch.alpine.tensor;
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
 
-import ch.ethz.idsc.tensor.api.AbsInterface;
-import ch.ethz.idsc.tensor.api.ArcTanInterface;
-import ch.ethz.idsc.tensor.api.ArgInterface;
-import ch.ethz.idsc.tensor.api.ComplexEmbedding;
-import ch.ethz.idsc.tensor.api.ConjugateInterface;
-import ch.ethz.idsc.tensor.api.ExpInterface;
-import ch.ethz.idsc.tensor.api.LogInterface;
-import ch.ethz.idsc.tensor.api.PowerInterface;
-import ch.ethz.idsc.tensor.api.RoundingInterface;
-import ch.ethz.idsc.tensor.api.SignInterface;
-import ch.ethz.idsc.tensor.api.SqrtInterface;
-import ch.ethz.idsc.tensor.api.TrigonometryInterface;
+import ch.alpine.tensor.api.AbsInterface;
+import ch.alpine.tensor.api.ArcTanInterface;
+import ch.alpine.tensor.api.ArgInterface;
+import ch.alpine.tensor.api.ComplexEmbedding;
+import ch.alpine.tensor.api.ConjugateInterface;
+import ch.alpine.tensor.api.ExpInterface;
+import ch.alpine.tensor.api.LogInterface;
+import ch.alpine.tensor.api.PowerInterface;
+import ch.alpine.tensor.api.RoundingInterface;
+import ch.alpine.tensor.api.SignInterface;
+import ch.alpine.tensor.api.SqrtInterface;
+import ch.alpine.tensor.api.TrigonometryInterface;
 
 /** RealScalar encodes a real number
  *