Commit Graph

2648 Commits (7f57821401f84668e44f0ae17a4220b68b562a45)

Author SHA1 Message Date
Sébastien Villemot 7f57821401
Now compute blocks[].first_equation from ModelTree::computeBlockDecompositionAndFeedbackVariablesForEachBlock
Also include various cosmetic changes.
2020-04-29 18:48:42 +02:00
Sébastien Villemot 1886746581
VariableDependencyGraph::reorderRecursiveVariables now returns indices from vertex_index
This is for consistency with other graph algorithms. Previously it would return
an index from vertex_index1.

See also 1d92adacf4 (which this commit basically
reverts).

Also do some cosmetic changes in calling graph code.
2020-04-29 18:46:15 +02:00
Sébastien Villemot 24db5e6033
Minor simplifications in graph algorithms 2020-04-29 18:12:22 +02:00
Sébastien Villemot 4948adf2cd
Block decomposition: remove unused data structure 2020-04-29 17:47:48 +02:00
Sébastien Villemot f39c687d85
Block decomposition: store mapping between endos/eqs and their block
Previously this computation was done at several places.
2020-04-29 17:42:46 +02:00
Sébastien Villemot 39407083be
Block decomposition: ensure that the cutoff option only impacts normalization
Previously, the cutoff option would also impact the block decomposition itself,
since it would had an influence on the incidence matrix used for computing the
blocks and their derivatives.

The problem is that, in the general case, it’s quite possible that an element
of the numerical Jacobian be zero at the evaluation point, while being quite
different from zero along the simulation path. A typical example is an
expression of the type x*y, where y is an endogenous and x is an exogenous not
present in the initval block (and hence initialized to zero).
2020-04-29 12:41:39 +02:00
Sébastien Villemot 470cb5fcb0
Block decomposition: remove mostly unused structure ModelTree::derivative_endo
It has been superseded by ModelTree::blocks_derivatives.

By the way, fix the initial number of non-zero elements in sparse Jacobian.

Also avoid computing suboptimal temporary terms.
2020-04-28 14:12:29 +02:00
Sébastien Villemot 2c69f1f31e
Cosmetic changes to ModelTree::determineLinearBlocks() 2020-04-28 12:35:18 +02:00
Sébastien Villemot 2e136cae56
Block decomposition: simplify computation of block derivatives
— use a std::map for storing block derivatives
— remove redundant ModelTree::first_chain_rule_derivatives structure
— remove unused codepaths in StaticModel
— DynamicModel: simplify code that determines the type of derivatives in a
  block. We now use a slightly different categorization.
— by the way, fix the max lead/lag information for blocks that are obtained via
  merging. A workaround was previously implemented in
  DynamicModel::get_Derivative(), but it is no longer needed with this fix.
2020-04-28 12:26:51 +02:00
Sébastien Villemot 5bd41f8599
Improve comments 2020-04-24 19:06:30 +02:00
Sébastien Villemot 45b260cf20
VariableNode::getChainRuleDerivative: do not cache values in ExprNode::derivatives
This field is used for standard derivatives. Using it also for chain rule
derivatives can only lead to wrong results.
2020-04-24 19:06:30 +02:00
Sébastien Villemot 29f28be772
Further simplify ModelTree::computeBlockDecompositionAndFeedbackVariablesForEachBlock() 2020-04-24 11:36:05 +02:00
Sébastien Villemot 5ee45f5bd4
Block decomposition: remove helpers that are no longer needed since data structure are cleaner
Add a new helper for getting the number of recursive variables in a block.
2020-04-23 16:31:57 +02:00
Sébastien Villemot 2154227990
Block decomposition, bugfix: M_.block_structure_stat.block().mfs was wrong 2020-04-23 16:03:38 +02:00
Sébastien Villemot e48e761b94
Block decomposition: various minor cleanups 2020-04-23 14:41:18 +02:00
Houtan Bastani 8b6e42559d
fix typo
[skip ci]
2020-04-21 13:08:27 -04:00
Sébastien Villemot 118ceab85b
Block decomposition: reorganize data structures storing block information 2020-04-21 18:25:33 +02:00
Sébastien Villemot 8eafd9ab4f
Block decomposition: various refactorings 2020-04-17 19:23:52 +02:00
Sébastien Villemot 1d92adacf4
Block decomposition: fix bug with mfs > 0 introduced in 5431451db3 2020-04-17 18:19:07 +02:00
Sébastien Villemot a741799f90
Block decomposition: factorize various helper functions
Should have been done in 76c2e87c3b.
2020-04-17 16:04:19 +02:00
Sébastien Villemot 7327fb9f17
Block decomposition: give more explicit names to ModelTree::{inv_,}{equation,variable}_reordered 2020-04-17 15:09:22 +02:00
Sébastien Villemot 4e819f09b2
Block decomposition: various refactorings 2020-04-15 17:56:28 +02:00
Sébastien Villemot 5431451db3
Block decomposition: refactor algorithms on the variable dependency graph
In particular, move them into a separate class rather than a namespace.
2020-04-10 12:55:07 +02:00
Stéphane Adjemian (Charybdis) c38f9aa7c3
Cosmetic change. 2020-04-06 09:29:57 +02:00
Stéphane Adjemian (Charybdis) 27a8b3b70e
Added preprocessor option: notime.
Do not print the total computing time at the end of the driver.
2020-04-03 11:00:48 +02:00
Sébastien Villemot daa8d01686
Complete rewrite of the equation normalization symbolic engine 2020-04-02 19:19:57 +02:00
Sébastien Villemot e88c05e3b8
Change prototype of DataTree::AddEqual()
This permits some simplifications.
2020-04-02 19:19:57 +02:00
Sébastien Villemot fb72472ee0
Block decomposition: fix several bugs in computation of renormalized equations
This would only hit for mfs=2 or mfs=3.
2020-03-30 18:39:25 +02:00
Sébastien Villemot 1949a355a7
Block decomposition: simplifications to ModelTree::equationTypeDetermination 2020-03-30 17:06:48 +02:00
Sébastien Villemot 4d30f17e0b
Block decomposition: move collectFirstOrderDerivativesEndogenous in ModelTree
By the way, use camel case for the function name.
2020-03-30 14:51:53 +02:00
Sébastien Villemot ad48697abe
Block decomposition without bytecode: fix call to solve_one_boundary
Ref. dynare#1717
2020-03-30 12:44:01 +02:00
Sébastien Villemot 9263a02a9b
Skip constant equations replacement only when there is an “mcp” tag
Since bef537d40a, constant equations were not
simplified as soon as they had a tag attached.

But this is too wide a restriction. In particular, this breaks the trend
component models which have a target that is set to a constant.

So we now only skip the replacement in the case where there is an “mcp” tag.

Ref. dynare#1697
2020-03-27 18:17:04 +01:00
Sébastien Villemot 50776a766a
Remove the unsignedness of many integer variables and function arguments
This was only adding unneeded complexity, for no clear reason (we’re very far
from reaching 2³¹ equations, and if we wanted to support models that large, it
would be better to use long integers to avoid being limited to 2³²).
2020-03-24 18:28:03 +01:00
Sébastien Villemot 92c3cbdfa1
Remove unused classes 2020-03-24 17:04:53 +01:00
Sébastien Villemot 78ff24ea14
Block decomposition: misc style and doc improvements 2020-03-24 16:57:45 +01:00
Sébastien Villemot a2caa8b4a8
Block decomposition: in symbolic normalization, no longer insert a null pointer in dynamic Jacobian
Rather use DataTree::Zero, since we use numerical zero for static and
contemporanous Jacobians.
2020-03-24 15:28:22 +01:00
Sébastien Villemot 5d6e6338f4
Block decomposition: remove unused codepaths in computation of normalization 2020-03-20 18:49:31 +01:00
Sébastien Villemot 097bdfde03
Misc simplifications and cosmetics 2020-03-20 18:42:59 +01:00
Sébastien Villemot ce1cbb3e52
Block decomposition: turn EquationType into an enum class 2020-03-20 18:00:56 +01:00
Sébastien Villemot 8b4d046f9f
Block decomposition: turn BlockSimulationType into an enum class 2020-03-20 17:31:14 +01:00
Sébastien Villemot f1061e8df1
Block decomposition: turn BlockType into an enum class 2020-03-20 16:38:43 +01:00
Sébastien Villemot fcef9cf8b9
Block decomposition: further streamlining of function prototypes 2020-03-20 15:23:23 +01:00
Sébastien Villemot bd6eee93df
Block decomposition: refactor the prototypes of various functions
— return output arguments on the left-hand side
— do not pass class members as input/output arguments

By the way, fix a (benign) vector allocation bug in
{Static,Dynamic}Model::computeChainRuleJacobian().
2020-03-19 17:47:12 +01:00
Sébastien Villemot 76c2e87c3b
Block decomposition: factorize data structures between StaticModel and DynamicModel 2020-03-17 18:58:34 +01:00
Sébastien Villemot 7aea50b988
Do not import MFS namespace 2020-03-17 16:49:22 +01:00
Sébastien Villemot ec57ee96c3
MinimumFeedbackSet: make most functions (de facto) private 2020-03-17 16:48:55 +01:00
Sébastien Villemot ca7024802e Merge branch 'shock_decomp' into 'master'
Add missing smoother options to shock_decomposition

See merge request Dynare/preprocessor!18
2020-03-17 13:22:41 +00:00
Sébastien Villemot 55501f2957 Merge branch 'julia' into 'master'
modify Julia output for mapping eqidx

See merge request Dynare/preprocessor!17
2020-03-17 13:08:25 +00:00
Johannes Pfeifer dab769c6f4 Add missing smoother options to shock_decomposition 2020-03-17 11:48:51 +01:00
Michel Juillard d668590ff8 modify Julia output for mapping eqidx 2020-03-17 09:27:10 +01:00