Description
With GAMS 44 and some previous versions, this model causes the GAMS/Knitro link to crash. The problem is some bogus counts returned by GMO and caused by the disappearing quadratic form resulting from the EPS. Contributor: Steve
Small Model of Type : GAMS
Category : GAMS Test library
Main file : knitro02.gms
$title 'KNITRO test suite - model setup issue' (KNITRO02,SEQ=944)
$onText
With GAMS 44 and some previous versions, this model causes the GAMS/Knitro link
to crash. The problem is some bogus counts returned by GMO and caused by the
disappearing quadratic form resulting from the EPS.
Contributor: Steve
$offText
scalars
x2 / 1.0 /
y2 / 4.0 /
r2 / 4.0 /
c / EPS /
cx / 1.0 /
cy / 1.0 /
;
variables
x
y
s2 / LO -0.5, UP 0 /
z
;
equations
f1
f2
g
odef
;
f1.. x * [1 + c*y] =L= 6;
f2.. sqr(x-x2) + sqr(y-y2) + s2 =L= sqr(r2);
g.. sqrt(1 + x*x + 2*y*y) =L= 19;
odef.. cx*x + cy*y =E= z;
model m / f1, f2, g, odef /;
solve m using nlp max z;