Package cc.redberry.core.tensor.iterator

Examples of cc.redberry.core.tensor.iterator.FromChildToParentIterator.result()

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                iterator.set(Complex.ZERO);
            }
            if (c instanceof Product)
                iterator.set(simplifyProduct(c));
        }
        return iterator.result();
    }


    private Tensor simplifyProduct(Tensor product) {
        /*
 
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                } else
                    //map is already contains rule for current scalar
                    //replacing this scalar with symbol from map
                    iterator.set(Tensors.multiply(tensorSubstitutions.get(split.factor), split.summand));
            }
            equations[i] = (Expression) iterator.result();
        }

        System.out.println("Inverse tensor: " + inverseTensor.generalInverse);
        System.out.println();
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                c = product.remove(positionsOfMatrices.toArray());
                c = multiply(c, calculatedTraces.build());
                iterator.set(simplifications.transform(c));
            }
        }
        return simplifications.transform(iterator.result());
    }

    private Tensor traceOfProduct(Tensor tensor) {
        Tensor oldTensor = tensor, newTensor;
        while (true) {
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        FromChildToParentIterator iterator = new FromChildToParentIterator(t);
        Tensor c;
        while ((c = iterator.next()) != null)
            if (c instanceof Product)
                iterator.set(inverseOrderInProduct((Product) c, type));
        return iterator.result();
    }

    private static Tensor inverseOrderInProduct(Product product, IndexType type) {
        ProductContent pc = product.getContent();
        PrimitiveSubgraph[] subgraphs = PrimitiveSubgraphPartition.calculatePartition(pc, type);
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                iterator.set(Complex.ZERO);
            }
            if (c instanceof Product)
                iterator.set(simplifyProduct(c));
        }
        return iterator.result();
    }


    private Tensor simplifyProduct(Tensor product) {
        /*
 
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                if (simplifyLeviCivita != null)
                    current = simplifyLeviCivita.transform(current);
                iterator.set(current);
            }
        }
        return iterator.result();
    }

    private SimpleTensor setMatrixIndices(SimpleTensor gamma, int matrixUpper, int matrixLower) {
        int[] indices = gamma.getIndices().getAllIndices().copy();
        for (int i = indices.length - 1; i >= 0; --i)
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