cons_soc.c File Reference
Detailed Description
some API functions of removed constraint handler for second order cone constraints \(\sqrt{\gamma + \sum_{i=1}^{n} (\alpha_i\, (x_i + \beta_i))^2} \leq \alpha_{n+1}\, (x_{n+1}+\beta_{n+1})\)
Definition in file cons_soc.c.
#include "scip/cons_soc.h"
#include "scip/cons_nonlinear.h"
#include "scip/expr_var.h"
#include "scip/expr_pow.h"
#include "scip/expr_sum.h"
Go to the source code of this file.
Functions | |
static SCIP_RETCODE | createSOCExpression (SCIP *scip, SCIP_EXPR **expr, int nvars, SCIP_VAR **vars, SCIP_Real *coefs, SCIP_Real *offsets, SCIP_Real constant, SCIP_VAR *rhsvar, SCIP_Real rhscoeff) |
SCIP_RETCODE | SCIPcreateConsSOC (SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_Real *coefs, SCIP_Real *offsets, SCIP_Real constant, SCIP_VAR *rhsvar, SCIP_Real rhscoeff, SCIP_Real rhsoffset, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool modifiable, SCIP_Bool dynamic, SCIP_Bool removable) |
SCIP_RETCODE | SCIPcreateConsBasicSOC (SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_Real *coefs, SCIP_Real *offsets, SCIP_Real constant, SCIP_VAR *rhsvar, SCIP_Real rhscoeff, SCIP_Real rhsoffset) |
SCIP_RETCODE | SCIPgetNlRowSOC (SCIP *scip, SCIP_CONS *cons, SCIP_NLROW **nlrow) |
Function Documentation
◆ createSOCExpression()
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static |
creates expression for \(\sqrt{\gamma + \sum_{i=1}^{n} (\alpha_i\, (x_i + \beta_i))^2} - \alpha_{n+1} x_{n+1}\)
- Parameters
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scip SCIP data structure expr buffer to store expression nvars number of variables on left hand side of constraint (n) vars array with variables on left hand side (x_i) coefs array with coefficients of left hand side variables (alpha_i), or NULL if all 1.0 offsets array with offsets of variables (beta_i), or NULL if all 0.0 constant constant on left hand side (gamma) rhsvar variable on right hand side of constraint (x_{n+1}) rhscoeff coefficient of variable on right hand side (alpha_{n+1})
Definition at line 41 of file cons_soc.c.
References NULL, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPappendExprSumExpr(), SCIPcreateExprPow(), SCIPcreateExprSum(), SCIPcreateExprVar(), and SCIPreleaseExpr().
Referenced by SCIPcreateConsBasicSOC(), and SCIPcreateConsSOC().