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/* ASCEND modelling environment |
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Copyright (C) 2006 Carnegie Mellon University |
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Copyright (C) 1990, 1993, 1994 Thomas Guthrie Epperly |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2, or (at your option) |
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any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. |
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*//** |
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@file |
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Ascend Instance Math Object Functions. |
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|
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Relation, logical relation, and When querying and assignment routines |
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|
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Requires: |
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#include "utilities/ascConfig.h" |
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#include "fractions.h" |
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#include "instance_enum.h" |
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#include "compiler.h" |
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#include "dimen.h" |
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#include "expr_types.h" |
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*//* |
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by Tom Epperly |
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8/16/89 |
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Last in CVS: $Revision: 1.8 $ $Date: 1998/05/06 17:33:37 $ $Author: ballan $ |
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*/ |
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|
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#ifndef ASC_MATHINST_H |
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#define ASC_MATHINST_H |
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|
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ASC_DLLSPEC enum Expr_enum GetInstanceRelationType(CONST struct Instance *i); |
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/**< |
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This returns the type of the relation associated with this relations |
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instance (REL_INST). |
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This should be one of e_token, e_opcode, e_glassbox or e_blackbox. |
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*/ |
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|
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ASC_DLLSPEC CONST struct relation *GetInstanceRelationOnly(CONST struct Instance *i); |
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/**< |
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This returns the guts of a relation instance (REL_INST). |
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These should be treated as read only usually because you don't |
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know who is sharing those guts. |
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*/ |
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|
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ASC_DLLSPEC CONST struct relation *GetInstanceRelation(CONST struct Instance *i, |
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enum Expr_enum *type); |
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/**< |
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This returns the value of a relation inst(REL_INST). It will fill in |
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the type of the relation associated with this relation instance. |
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This will be one of e_token, e_opcode, e_glassbox or e_blackbox, |
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or possibly e_undefined. |
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|
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@TODO Important! This appears not to be to inverse of the rel_instance |
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function in the solver! Why is that? -- JP |
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*/ |
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|
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extern struct relation *GetInstanceRelToModify(struct Instance *i, |
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enum Expr_enum *type); |
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/**< |
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This returns the value of a relation inst(REL_INST). In this function |
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we do not get a CONST structure and therefore we can modify it. This |
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is useful while marking conditional relations. |
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*/ |
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|
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extern void SetInstanceRelation(struct Instance *i, |
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struct relation *rel, |
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enum Expr_enum type); |
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/**< |
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Set the relation to rel. rel will be incorporated into the instance, |
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so rel should not be modified or destroyed. The type of the relation |
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*has* to be provided. |
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|
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rel and type may be the NULL/e_undefined combination. |
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*/ |
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|
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ASC_DLLSPEC CONST struct logrelation *GetInstanceLogRelOnly(CONST struct Instance*i); |
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/**< |
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This returns the guts of a logical relation instance (LREL_INST). |
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These should be treated as read only usually because you don't |
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know who is sharing those guts. |
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*/ |
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|
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ASC_DLLSPEC CONST struct logrelation *GetInstanceLogRel(CONST struct Instance *i); |
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/**< |
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This returns the value of a logrelation inst(LREL_INST). |
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*/ |
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|
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extern struct logrelation *GetInstanceLogRelToModify(struct Instance *i); |
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/**< |
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This returns the value of a logrelation inst(LREL_INST). In this function |
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we do not get a CONST structure and therefore we can modify it. This |
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is useful while marking conditional logrelations. |
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*/ |
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|
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extern void SetInstanceLogRel(struct Instance *i, struct logrelation *lrel); |
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/**< |
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Set the logical relation to lrel. rel will be incorporated into the |
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instance, so rel should not be modified or destroyed. |
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*/ |
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|
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ASC_DLLSPEC struct gl_list_t *GetInstanceOperands(CONST struct Instance *i); |
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/**< |
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Returns list of vars/models/equations in a mathematical relationship. |
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Accepts all instance kinds. returns list only if the query makes |
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sense, but list may be empty. List is yours to destroy, but its |
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contents are not. |
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*/ |
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|
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extern struct gl_list_t *GetInstanceWhenVars(CONST struct Instance *i); |
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/**< |
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This returns the list of variables associated with this when |
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instance (WHEN_INST) |
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*/ |
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|
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extern struct gl_list_t *GetInstanceWhenCases(CONST struct Instance *i); |
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/**< |
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This returns the list of cases associated with this when |
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instance (WHEN_INST) |
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*/ |
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|
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extern struct gl_list_t *GetInstanceWhens(CONST struct Instance *i); |
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/**< |
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This returns the list of whens associated with this instance. |
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Instance can be a model, relation,when,boolean, integer or symbol. |
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*/ |
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|
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extern void SetWhenVarList(struct Instance *i, struct gl_list_t *whenvars); |
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/**< |
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Set the list of variables of a when instance to whenvars |
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*/ |
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|
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extern void SetWhenCases(struct Instance *i, struct gl_list_t *whencases); |
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/**< |
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Set the list of cases of a when instance to whencases |
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*/ |
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|
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/*------------------------------------------------------------------------------ |
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SPECIAL REAL ATOM FUNCTIONS |
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|
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Each real instance knows what mathematical relations that it appears in. |
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That information can be acessed by the following routines. |
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Same for discrete variables. |
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*/ |
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|
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ASC_DLLSPEC unsigned long RelationsCount(CONST struct Instance *i); |
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/**< |
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This will return the number of relations that instance "i" appears in. |
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"i" must be a REAL_ATOM_INST. Otherwise, this routine will |
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bomb. |
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*/ |
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|
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ASC_DLLSPEC struct Instance *RelationsForAtom(CONST struct Instance *i, |
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unsigned long c); |
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/**< |
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This routine will return the c'th relation in instance i's relation list. |
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"i" must be a REAL_ATOM_INST and 0 < c <= RelationsCount(i). |
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*/ |
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|
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extern void AddRelation(struct Instance *i, struct Instance *reln); |
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/**< |
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Add the relation instance reln to instance i's relation list. "i" must |
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be of type REAL_ATOM_INST and reln must be of type REL_INST. |
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*/ |
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extern void RemoveRelation(struct Instance *i, struct Instance *reln); |
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/**< |
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Remove reln from i's relation list. If 'reln' isn't found in i's relation |
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list, execution continues with a warning message. |
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*/ |
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|
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ASC_DLLSPEC unsigned long LogRelationsCount(CONST struct Instance *i); |
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/**< |
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This will return the number of logical relations that instance "i" |
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appears in. "i" must be a BOOLEAN_ATOM_INST, REL_INST or LREL_INST |
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*/ |
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|
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ASC_DLLSPEC struct Instance *LogRelationsForInstance(CONST struct Instance *i, |
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unsigned long c); |
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/**< |
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This routine will return the c'th logical relation in instance i's |
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logical relation list. "i" must be BOOLEAN_ATOM_INST, REL_INST or |
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LREL_INST and 0 < c <= LogRelationsCount(i). |
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*/ |
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|
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extern void AddLogRel(struct Instance *i, struct Instance *reln); |
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/**< |
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Add the logical relation instance lreln to instance i's logical relation |
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list. "i" must be of type BOOLEAN_ATOM_INST, REL_INST or LREL_INST |
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and lreln must be of type LREL_INST. REL_INST and LREL_INST are |
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allowed because of the SATISFIED logical term. |
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*/ |
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extern void RemoveLogRel(struct Instance *i, struct Instance *lreln); |
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/**< |
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Remove lreln from i's logical relation list. If 'lreln' isn't found in |
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i's logical relation list, execution continues with a warning message. |
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*/ |
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ASC_DLLSPEC unsigned long WhensCount(struct Instance *i); |
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/**< |
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This will return the number of whens that instance "i" is referenced in. |
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*/ |
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|
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ASC_DLLSPEC struct Instance *WhensForInstance(struct Instance *i, |
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unsigned long c); |
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/**< |
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This routine will return the c'th when in instance i's when list. |
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0 < c <= WhensCount(i). |
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*/ |
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extern void AddWhen(struct Instance *i, struct Instance *when); |
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/**< |
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Add the when instance when to instance i's when list. when must be of |
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type WHEN_INST. |
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*/ |
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extern void RemoveWhen(struct Instance *i, struct Instance *when); |
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/**< |
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Remove when from i's when list. If 'when' isn't found in i's when |
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list, execution continues with a warning message. |
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*/ |
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|
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#endif /* ASC_MATHINST_H */ |
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