kmath-core/src/commonMain/kotlin/space/kscience/kmath/tensors/BufferedTensor.kt

@@ -41,7 +41,7 @@ public class FloatTensor(
     buffer: FloatArray
 ) : BufferedTensor<Float>(shape, FloatBuffer(buffer))
 
-public class RealTensor(
+public class DoubleTensor(
     shape: IntArray,
     buffer: DoubleArray
 ) : BufferedTensor<Double>(shape, RealBuffer(buffer))

kmath-core/src/commonMain/kotlin/space/kscience/kmath/tensors/DoubleAnalyticTensorAlgebra.kt

@@ -0,0 +1,150 @@
+package space.kscience.kmath.tensors
+
+public class RealAnalyticTensorAlgebra:
+    AnalyticTensorAlgebra<Double, DoubleTensor>,
+    RealTensorAlgebra()
+{
+    override fun DoubleTensor.exp(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.log(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.sqrt(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.square(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.cos(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.acos(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.cosh(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.acosh(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.sin(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.asin(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.sinh(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.asinh(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.tan(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.atan(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.tanh(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.atanh(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.ceil(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.floor(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.clamp(min: Double, max: Double): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.erf(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.erfinv(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.erfc(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.lerp(end: DoubleTensor, weight: DoubleTensor): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.lgamma(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.logit(eps: Double): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.igamma(other: DoubleTensor): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.igammac(other: DoubleTensor): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.mvlgamma(dimensions: Int): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.polygamma(order: Int): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.pow(exponent: Double): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.round(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.sigmoid(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.sinc(): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.heaviside(values: DoubleTensor): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+    override fun DoubleTensor.trapz(xValues: DoubleTensor, dim: Int): DoubleTensor {
+        TODO("Not yet implemented")
+    }
+
+}
+
+public inline fun <R> RealAnalyticTensorAlgebra(block: RealAnalyticTensorAlgebra.() -> R): R =
+    RealAnalyticTensorAlgebra().block()

kmath-core/src/commonMain/kotlin/space/kscience/kmath/tensors/DoubleLinearOpsTensorAlgebra.kt

@@ -1,13 +1,13 @@
 package space.kscience.kmath.tensors
 
 public class RealLinearOpsTensorAlgebra :
-    LinearOpsTensorAlgebra<Double, RealTensor>,
+    LinearOpsTensorAlgebra<Double, DoubleTensor>,
     RealTensorAlgebra()
 {
-    override fun eye(n: Int): RealTensor {
+    override fun eye(n: Int): DoubleTensor {
         val shape = intArrayOf(n, n)
         val buffer = DoubleArray(n * n) { 0.0 }
-        val res = RealTensor(shape, buffer)
+        val res = DoubleTensor(shape, buffer)
         for (i in 0 until n) {
             res[intArrayOf(i, i)] = 1.0
         }
@@ -15,16 +15,16 @@ public class RealLinearOpsTensorAlgebra :
     }
 
 
-    override fun RealTensor.dot(other: RealTensor): RealTensor {
+    override fun DoubleTensor.dot(other: DoubleTensor): DoubleTensor {
         TODO("Alya")
     }
 
-    override fun diagonalEmbedding(diagonalEntries: RealTensor, offset: Int, dim1: Int, dim2: Int): RealTensor {
+    override fun diagonalEmbedding(diagonalEntries: DoubleTensor, offset: Int, dim1: Int, dim2: Int): DoubleTensor {
         TODO("Alya")
     }
 
 
-    override fun RealTensor.lu(): Pair<RealTensor, IntTensor> {
+    override fun DoubleTensor.lu(): Pair<DoubleTensor, IntTensor> {
         // todo checks
         val lu = this.copy()
         val m = this.shape[0]
@@ -74,7 +74,7 @@ public class RealLinearOpsTensorAlgebra :
         return Pair(lu, IntTensor(intArrayOf(m), pivot))
     }
 
-    override fun luPivot(lu: RealTensor, pivots: IntTensor): Triple<RealTensor, RealTensor, RealTensor> {
+    override fun luPivot(lu: DoubleTensor, pivots: IntTensor): Triple<DoubleTensor, DoubleTensor, DoubleTensor> {
         // todo checks
         val n = lu.shape[0]
         val p = lu.zeroesLike()
@@ -100,28 +100,28 @@ public class RealLinearOpsTensorAlgebra :
         return Triple(p, l, u)
     }
 
-    override fun RealTensor.det(): RealTensor {
+    override fun DoubleTensor.det(): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.inv(): RealTensor {
+    override fun DoubleTensor.inv(): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.cholesky(): RealTensor {
+    override fun DoubleTensor.cholesky(): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.qr(): RealTensor {
+    override fun DoubleTensor.qr(): DoubleTensor {
         TODO("Not yet implemented")
     }
 
 
-    override fun RealTensor.svd(): Triple<RealTensor, RealTensor, RealTensor> {
+    override fun DoubleTensor.svd(): Triple<DoubleTensor, DoubleTensor, DoubleTensor> {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.symEig(eigenvectors: Boolean): Pair<RealTensor, RealTensor> {
+    override fun DoubleTensor.symEig(eigenvectors: Boolean): Pair<DoubleTensor, DoubleTensor> {
         TODO("Not yet implemented")
     }
 

kmath-core/src/commonMain/kotlin/space/kscience/kmath/tensors/DoubleTensorAlgebra.kt

@@ -1,146 +1,146 @@
 package space.kscience.kmath.tensors
 
 
-public open class RealTensorAlgebra : TensorPartialDivisionAlgebra<Double, RealTensor> {
+public open class RealTensorAlgebra : TensorPartialDivisionAlgebra<Double, DoubleTensor> {
 
-    override fun RealTensor.value(): Double {
+    override fun DoubleTensor.value(): Double {
         check(this.shape contentEquals intArrayOf(1)) {
             "Inconsistent value for tensor of shape ${shape.toList()}"
         }
         return this.buffer.unsafeToDoubleArray()[0]
     }
 
-    override fun zeros(shape: IntArray): RealTensor {
+    override fun zeros(shape: IntArray): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.zeroesLike(): RealTensor {
+    override fun DoubleTensor.zeroesLike(): DoubleTensor {
         val shape = this.shape
         val buffer = DoubleArray(this.buffer.size) { 0.0 }
-        return RealTensor(shape, buffer)
+        return DoubleTensor(shape, buffer)
     }
 
-    override fun ones(shape: IntArray): RealTensor {
+    override fun ones(shape: IntArray): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.onesLike(): RealTensor {
+    override fun DoubleTensor.onesLike(): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.copy(): RealTensor {
+    override fun DoubleTensor.copy(): DoubleTensor {
         // should be rework as soon as copy() method for NDBuffer will be available
-        return RealTensor(this.shape, this.buffer.unsafeToDoubleArray().copyOf())
+        return DoubleTensor(this.shape, this.buffer.unsafeToDoubleArray().copyOf())
     }
 
 
-    override fun Double.plus(other: RealTensor): RealTensor {
+    override fun Double.plus(other: DoubleTensor): DoubleTensor {
         val resBuffer = DoubleArray(other.buffer.size) { i ->
             other.buffer.unsafeToDoubleArray()[i] + this
         }
-        return RealTensor(other.shape, resBuffer)
+        return DoubleTensor(other.shape, resBuffer)
     }
 
-    override fun RealTensor.plus(value: Double): RealTensor = value + this
+    override fun DoubleTensor.plus(value: Double): DoubleTensor = value + this
 
-    override fun RealTensor.plus(other: RealTensor): RealTensor {
+    override fun DoubleTensor.plus(other: DoubleTensor): DoubleTensor {
         val broadcast = broadcastTensors(this, other)
         val newThis = broadcast[0]
         val newOther = broadcast[1]
         val resBuffer = DoubleArray(newThis.buffer.size) { i ->
             newThis.buffer.unsafeToDoubleArray()[i] + newOther.buffer.unsafeToDoubleArray()[i]
         }
-        return RealTensor(newThis.shape, resBuffer)
+        return DoubleTensor(newThis.shape, resBuffer)
     }
 
-    override fun RealTensor.plusAssign(value: Double) {
+    override fun DoubleTensor.plusAssign(value: Double) {
         for (i in this.buffer.unsafeToDoubleArray().indices) {
             this.buffer.unsafeToDoubleArray()[i] += value
         }
     }
 
-    override fun RealTensor.plusAssign(other: RealTensor) {
+    override fun DoubleTensor.plusAssign(other: DoubleTensor) {
         //todo should be change with broadcasting
         for (i in this.buffer.unsafeToDoubleArray().indices) {
             this.buffer.unsafeToDoubleArray()[i] += other.buffer.unsafeToDoubleArray()[i]
         }
     }
 
-    override fun Double.minus(other: RealTensor): RealTensor {
+    override fun Double.minus(other: DoubleTensor): DoubleTensor {
         val resBuffer = DoubleArray(other.buffer.size) { i ->
             this - other.buffer.unsafeToDoubleArray()[i]
         }
-        return RealTensor(other.shape, resBuffer)
+        return DoubleTensor(other.shape, resBuffer)
     }
 
-    override fun RealTensor.minus(value: Double): RealTensor {
+    override fun DoubleTensor.minus(value: Double): DoubleTensor {
         val resBuffer = DoubleArray(this.buffer.size) { i ->
             this.buffer.unsafeToDoubleArray()[i] - value
         }
-        return RealTensor(this.shape, resBuffer)
+        return DoubleTensor(this.shape, resBuffer)
     }
 
-    override fun RealTensor.minus(other: RealTensor): RealTensor {
+    override fun DoubleTensor.minus(other: DoubleTensor): DoubleTensor {
         val broadcast = broadcastTensors(this, other)
         val newThis = broadcast[0]
         val newOther = broadcast[1]
         val resBuffer = DoubleArray(newThis.buffer.size) { i ->
             newThis.buffer.unsafeToDoubleArray()[i] - newOther.buffer.unsafeToDoubleArray()[i]
         }
-        return RealTensor(newThis.shape, resBuffer)
+        return DoubleTensor(newThis.shape, resBuffer)
     }
 
-    override fun RealTensor.minusAssign(value: Double) {
+    override fun DoubleTensor.minusAssign(value: Double) {
         for (i in this.buffer.unsafeToDoubleArray().indices) {
             this.buffer.unsafeToDoubleArray()[i] -= value
         }
     }
 
-    override fun RealTensor.minusAssign(other: RealTensor) {
+    override fun DoubleTensor.minusAssign(other: DoubleTensor) {
         TODO("Alya")
     }
 
-    override fun Double.times(other: RealTensor): RealTensor {
+    override fun Double.times(other: DoubleTensor): DoubleTensor {
         //todo should be change with broadcasting
         val resBuffer = DoubleArray(other.buffer.size) { i ->
             other.buffer.unsafeToDoubleArray()[i] * this
         }
-        return RealTensor(other.shape, resBuffer)
+        return DoubleTensor(other.shape, resBuffer)
     }
 
     //todo should be change with broadcasting
-    override fun RealTensor.times(value: Double): RealTensor = value * this
+    override fun DoubleTensor.times(value: Double): DoubleTensor = value * this
 
-    override fun RealTensor.times(other: RealTensor): RealTensor {
+    override fun DoubleTensor.times(other: DoubleTensor): DoubleTensor {
         //todo should be change with broadcasting
         val resBuffer = DoubleArray(this.buffer.size) { i ->
             this.buffer.unsafeToDoubleArray()[i] * other.buffer.unsafeToDoubleArray()[i]
         }
-        return RealTensor(this.shape, resBuffer)
+        return DoubleTensor(this.shape, resBuffer)
     }
 
-    override fun RealTensor.timesAssign(value: Double) {
+    override fun DoubleTensor.timesAssign(value: Double) {
         //todo should be change with broadcasting
         for (i in this.buffer.unsafeToDoubleArray().indices) {
             this.buffer.unsafeToDoubleArray()[i] *= value
         }
     }
 
-    override fun RealTensor.timesAssign(other: RealTensor) {
+    override fun DoubleTensor.timesAssign(other: DoubleTensor) {
         //todo should be change with broadcasting
         for (i in this.buffer.unsafeToDoubleArray().indices) {
             this.buffer.unsafeToDoubleArray()[i] *= other.buffer.unsafeToDoubleArray()[i]
         }
     }
 
-    override fun RealTensor.unaryMinus(): RealTensor {
+    override fun DoubleTensor.unaryMinus(): DoubleTensor {
         val resBuffer = DoubleArray(this.buffer.size) { i ->
             this.buffer.unsafeToDoubleArray()[i].unaryMinus()
         }
-        return RealTensor(this.shape, resBuffer)
+        return DoubleTensor(this.shape, resBuffer)
     }
 
-    override fun RealTensor.transpose(i: Int, j: Int): RealTensor {
+    override fun DoubleTensor.transpose(i: Int, j: Int): DoubleTensor {
         checkTranspose(this.dimension, i, j)
         val n = this.buffer.size
         val resBuffer = DoubleArray(n)
@@ -148,7 +148,7 @@ public open class RealTensorAlgebra : TensorPartialDivisionAlgebra<Double, RealT
         val resShape = this.shape.copyOf()
         resShape[i] = resShape[j].also { resShape[j] = resShape[i] }
 
-        val resTensor = RealTensor(resShape, resBuffer)
+        val resTensor = DoubleTensor(resShape, resBuffer)
 
         for (offset in 0 until n) {
             val oldMultiIndex = this.strides.index(offset)
@@ -162,117 +162,117 @@ public open class RealTensorAlgebra : TensorPartialDivisionAlgebra<Double, RealT
     }
 
 
-    override fun RealTensor.view(shape: IntArray): RealTensor {
+    override fun DoubleTensor.view(shape: IntArray): DoubleTensor {
-        return RealTensor(shape, this.buffer.unsafeToDoubleArray())
+        return DoubleTensor(shape, this.buffer.unsafeToDoubleArray())
     }
 
-    override fun RealTensor.viewAs(other: RealTensor): RealTensor {
+    override fun DoubleTensor.viewAs(other: DoubleTensor): DoubleTensor {
         return this.view(other.shape)
     }
 
-    override fun RealTensor.abs(): RealTensor {
+    override fun DoubleTensor.abs(): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun full(shape: IntArray, value: Double): RealTensor {
+    override fun full(shape: IntArray, value: Double): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.fullLike(value: Double): RealTensor {
+    override fun DoubleTensor.fullLike(value: Double): DoubleTensor {
         TODO("Not yet implemented")
     }
 
 
-    override fun RealTensor.sum(dim: Int, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.sum(dim: Int, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.cumsum(dim: Int): RealTensor {
+    override fun DoubleTensor.cumsum(dim: Int): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.prod(dim: Int, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.prod(dim: Int, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.cumprod(dim: Int): RealTensor {
+    override fun DoubleTensor.cumprod(dim: Int): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.max(dim: Int, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.max(dim: Int, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.cummax(dim: Int): RealTensor {
+    override fun DoubleTensor.cummax(dim: Int): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.min(dim: Int, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.min(dim: Int, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.cummin(dim: Int): RealTensor {
+    override fun DoubleTensor.cummin(dim: Int): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.median(dim: Int, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.median(dim: Int, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun maximum(lhs: RealTensor, rhs: RealTensor) {
+    override fun maximum(lhs: DoubleTensor, rhs: DoubleTensor) {
         TODO("Not yet implemented")
     }
 
-    override fun minimum(lhs: RealTensor, rhs: RealTensor) {
+    override fun minimum(lhs: DoubleTensor, rhs: DoubleTensor) {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.sort(dim: Int, keepDim: Boolean, descending: Boolean): RealTensor {
+    override fun DoubleTensor.sort(dim: Int, keepDim: Boolean, descending: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun cat(tensors: List<RealTensor>, dim: Int): RealTensor {
+    override fun cat(tensors: List<DoubleTensor>, dim: Int): DoubleTensor {
         TODO("Not yet implemented")
     }
 
 
-    override fun RealTensor.div(value: Double): RealTensor {
+    override fun DoubleTensor.div(value: Double): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.div(other: RealTensor): RealTensor {
+    override fun DoubleTensor.div(other: DoubleTensor): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.flatten(startDim: Int, endDim: Int): RealTensor {
+    override fun DoubleTensor.flatten(startDim: Int, endDim: Int): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.divAssign(value: Double) {
+    override fun DoubleTensor.divAssign(value: Double) {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.divAssign(other: RealTensor) {
+    override fun DoubleTensor.divAssign(other: DoubleTensor) {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.mean(dim: Int, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.mean(dim: Int, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.quantile(q: Double, dim: Int, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.quantile(q: Double, dim: Int, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.std(dim: Int, unbiased: Boolean, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.std(dim: Int, unbiased: Boolean, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.variance(dim: Int, unbiased: Boolean, keepDim: Boolean): RealTensor {
+    override fun DoubleTensor.variance(dim: Int, unbiased: Boolean, keepDim: Boolean): DoubleTensor {
         TODO("Not yet implemented")
     }
 
-    override fun RealTensor.histc(bins: Int, min: Double, max: Double): RealTensor {
+    override fun DoubleTensor.histc(bins: Int, min: Double, max: Double): DoubleTensor {
         TODO("Not yet implemented")
     }
 

kmath-core/src/commonMain/kotlin/space/kscience/kmath/tensors/RealAnalyticTensorAlgebra.kt

@@ -1,150 +0,0 @@
-package space.kscience.kmath.tensors
-
-public class RealAnalyticTensorAlgebra:
-    AnalyticTensorAlgebra<Double, RealTensor>,
-    RealTensorAlgebra()
-{
-    override fun RealTensor.exp(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.log(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.sqrt(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.square(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.cos(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.acos(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.cosh(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.acosh(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.sin(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.asin(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.sinh(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.asinh(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.tan(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.atan(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.tanh(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.atanh(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.ceil(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.floor(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.clamp(min: Double, max: Double): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.erf(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.erfinv(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.erfc(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.lerp(end: RealTensor, weight: RealTensor): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.lgamma(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.logit(eps: Double): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.igamma(other: RealTensor): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.igammac(other: RealTensor): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.mvlgamma(dimensions: Int): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.polygamma(order: Int): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.pow(exponent: Double): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.round(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.sigmoid(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.sinc(): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.heaviside(values: RealTensor): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-    override fun RealTensor.trapz(xValues: RealTensor, dim: Int): RealTensor {
-        TODO("Not yet implemented")
-    }
-
-}
-
-public inline fun <R> RealAnalyticTensorAlgebra(block: RealAnalyticTensorAlgebra.() -> R): R =
-    RealAnalyticTensorAlgebra().block()

kmath-core/src/commonMain/kotlin/space/kscience/kmath/tensors/utils.kt

@@ -32,13 +32,13 @@ internal inline fun broadcastShapes(vararg shapes: IntArray): IntArray {
     return totalShape
 }
 
-internal inline fun broadcastTensors(vararg tensors: RealTensor): List<RealTensor> {
+internal inline fun broadcastTensors(vararg tensors: DoubleTensor): List<DoubleTensor> {
     val totalShape = broadcastShapes(*(tensors.map { it.shape }).toTypedArray())
     val n = totalShape.reduce { acc, i -> acc * i }
 
-    val res = ArrayList<RealTensor>(0)
+    val res = ArrayList<DoubleTensor>(0)
     for (tensor in tensors) {
-        val resTensor = RealTensor(totalShape, DoubleArray(n))
+        val resTensor = DoubleTensor(totalShape, DoubleArray(n))
 
         for (linearIndex in 0 until n) {
             val totalMultiIndex = resTensor.strides.index(linearIndex)

kmath-core/src/commonTest/kotlin/space/kscience/kmath/tensors/TestRealTensor.kt

@@ -11,13 +11,13 @@ class TestRealTensor {
     @Test
     fun valueTest() = RealTensorAlgebra {
         val value = 12.5
-        val tensor = RealTensor(intArrayOf(1), doubleArrayOf(value))
+        val tensor = DoubleTensor(intArrayOf(1), doubleArrayOf(value))
         assertEquals(tensor.value(), value)
     }
 
     @Test
     fun stridesTest(){
-        val tensor = RealTensor(intArrayOf(2,2), doubleArrayOf(3.5,5.8,58.4,2.4))
+        val tensor = DoubleTensor(intArrayOf(2,2), doubleArrayOf(3.5,5.8,58.4,2.4))
         assertEquals(tensor[intArrayOf(0,1)], 5.8)
         assertTrue(tensor.elements().map{ it.second }.toList().toDoubleArray() contentEquals tensor.buffer.toDoubleArray())
     }

kmath-core/src/commonTest/kotlin/space/kscience/kmath/tensors/TestRealTensorAlgebra.kt

@@ -8,14 +8,14 @@ class TestRealTensorAlgebra {
 
     @Test
     fun doublePlus() = RealTensorAlgebra {
-        val tensor = RealTensor(intArrayOf(2), doubleArrayOf(1.0, 2.0))
+        val tensor = DoubleTensor(intArrayOf(2), doubleArrayOf(1.0, 2.0))
         val res = 10.0 + tensor
         assertTrue(res.buffer.unsafeToDoubleArray() contentEquals doubleArrayOf(11.0,12.0))
     }
 
     @Test
     fun transpose1x1() = RealTensorAlgebra {
-        val tensor = RealTensor(intArrayOf(1), doubleArrayOf(0.0))
+        val tensor = DoubleTensor(intArrayOf(1), doubleArrayOf(0.0))
         val res = tensor.transpose(0, 0)
 
         assertTrue(res.buffer.unsafeToDoubleArray() contentEquals doubleArrayOf(0.0))
@@ -24,7 +24,7 @@ class TestRealTensorAlgebra {
 
     @Test
     fun transpose3x2() = RealTensorAlgebra {
-        val tensor = RealTensor(intArrayOf(3, 2), doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
+        val tensor = DoubleTensor(intArrayOf(3, 2), doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
         val res = tensor.transpose(1, 0)
 
         assertTrue(res.buffer.unsafeToDoubleArray() contentEquals doubleArrayOf(1.0, 3.0, 5.0, 2.0, 4.0, 6.0))
@@ -33,7 +33,7 @@ class TestRealTensorAlgebra {
 
     @Test
     fun transpose1x2x3() = RealTensorAlgebra {
-        val tensor = RealTensor(intArrayOf(1, 2, 3), doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
+        val tensor = DoubleTensor(intArrayOf(1, 2, 3), doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
         val res01 = tensor.transpose(0, 1)
         val res02 = tensor.transpose(0, 2)
         val res12 = tensor.transpose(1, 2)
@@ -60,9 +60,9 @@ class TestRealTensorAlgebra {
 
     @Test
     fun broadcastTensors() = RealTensorAlgebra {
-        val tensor1 = RealTensor(intArrayOf(2, 3), doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
+        val tensor1 = DoubleTensor(intArrayOf(2, 3), doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
-        val tensor2 = RealTensor(intArrayOf(1, 3), doubleArrayOf(10.0, 20.0, 30.0))
+        val tensor2 = DoubleTensor(intArrayOf(1, 3), doubleArrayOf(10.0, 20.0, 30.0))
-        val tensor3 = RealTensor(intArrayOf(1, 1, 1), doubleArrayOf(500.0))
+        val tensor3 = DoubleTensor(intArrayOf(1, 1, 1), doubleArrayOf(500.0))
 
         val res = broadcastTensors(tensor1, tensor2, tensor3)
 
@@ -77,9 +77,9 @@ class TestRealTensorAlgebra {
 
     @Test
     fun minusTensor() = RealTensorAlgebra {
-        val tensor1 = RealTensor(intArrayOf(2, 3), doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
+        val tensor1 = DoubleTensor(intArrayOf(2, 3), doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
-        val tensor2 = RealTensor(intArrayOf(1, 3), doubleArrayOf(10.0, 20.0, 30.0))
+        val tensor2 = DoubleTensor(intArrayOf(1, 3), doubleArrayOf(10.0, 20.0, 30.0))
-        val tensor3 = RealTensor(intArrayOf(1, 1, 1), doubleArrayOf(500.0))
+        val tensor3 = DoubleTensor(intArrayOf(1, 1, 1), doubleArrayOf(500.0))
 
         assertTrue((tensor2 - tensor1).shape contentEquals intArrayOf(2, 3))
         assertTrue((tensor2 - tensor1).buffer.unsafeToDoubleArray() contentEquals doubleArrayOf(9.0, 18.0, 27.0, 6.0, 15.0, 24.0))