Dynare++ tensor library: further notation fixes in documentation
Also fix extensions of source files.time-shift
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@ -108,7 +108,7 @@ tensor with nicer symmetry, here folded $\left[B_{y^3u^4}\right]$.
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\item[USubTensor]
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Class representing unfolded full symmetry, row-oriented tensor which
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contains a few columns of huge product
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$\prod_{m=1}^l\left[g_{c_m}\right]^{\gamma_m}_{c_m(\alpha)}$. This is
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$\prod_{m=1}^l\left[g_{s^{\vert c_m\vert}}\right]^{\gamma_m}_{c_m(\alpha)}$. This is
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needed during the Faa Di Bruno for folded matrices.
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\item[IrregTensor]
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Class representing a product of columns of derivatives
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@ -116,7 +116,9 @@ $\left[z_{y^ku^l}\right]$, where $z=[y^T,v^T,w^T]^T$. Since the first
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part of $z$ is $y$, the derivatives contain many zeros, which are not
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stored, hence the tensor's irregularity. The tensor is used when
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calculating one step of Faa Di Bruno formula, i.e.
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$\left[f_{z^l}\right]\sum\prod_{m=1}^l\left[z_{c_m}\right]^{\gamma_m}_{c_m(\alpha)}$.
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$\left[h_{y^l}\right]_{\gamma_1\ldots\gamma_l}
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\left(\sum_{c\in M_{l,k}}
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\prod_{m=1}^l\left[g_{s^{\vert c_m\vert}}\right]^{\gamma_m}_{c_m(\alpha)}\right)$.
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\item[FSSparseTensor]
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Class representing full symmetry, column-oriented, sparse tensor. It
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is able to store elements keyed by the multidimensional index, and
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@ -207,13 +209,13 @@ preset maximum number parallel threads.
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\section{Tests}
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A few words to the library's test suite. The suite resides in
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directory {\tt tl/testing}. There is a file {\tt tests.cpp} which
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directory {\tt tl/testing}. There is a file {\tt tests.cc} which
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contains all tests and {\tt main()} function. Also there are files
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{\tt factory.h} and {\tt factory.cpp} implementing random generation
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{\tt factory.hh} and {\tt factory.cc} implementing random generation
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of various objects. The important property of these random objects is
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that they are the same for all object's invocations. This is very
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important in testing and debugging. Further, one can find files {\tt
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monoms.h} and {\tt monoms.cpp}. See below for their explanation.
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monoms.hh} and {\tt monoms.cc}. See below for their explanation.
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There are a few types of tests:
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\begin{itemize}
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@ -223,7 +225,7 @@ vice-versa. We test whether their coordinates are as expected.
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\item We test the Faa Di Bruno by comparison of the results of
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\texttt{FGSContainer::multAndAdd} against the results of \texttt{UGSContainer::multAndAdd}. The two
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implementations are pretty different, so this is a good test.
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\item We use a code in {\tt monoms.h} and {\tt monoms.cpp} to generate a
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\item We use a code in {\tt monoms.hh} and {\tt monoms.cc} to generate a
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random vector function $f(x(y,u))$ along with derivatives of
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$\left[f_x\right]$, $\left[x_{y^ku^l}\right]$, and
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$\left[f_{y^ku^l}\right]$. Then we calculate the resulting derivatives
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