convert5.gms : CONVERT test suite - min(max(x1,x2),x3)
AB01198:convert::derivatives (Distribution 22.2-22.4)
Input of
min(max(x1,x2),x3)
produced bad output in gams.gms:
min(x1,x2,x3)
Contributor: Alex Meeraus
Small Model of Type: GAMS
<![CDATA[
$title 'CONVERT test suite - min(max(x1,x2),x3)' (CONVERT5,SEQ=333)
$ontext
AB01198:convert::derivatives (Distribution 22.2-22.4)
Input of
min(max(x1,x2),x3)
produced bad output in gams.gms:
min(x1,x2,x3)
Contributor: Alex Meeraus
$offtext
Variables x1,x2,x3,objvar;
Equations e1;
e1.. min(max(2*x1,3*x2),4*x3) =e= objvar;
Model m / all /;
x1.fx=0;x2.fx=2;x3.fx=2;objvar.fx=6;
Solve m us dnlp max objvar;
option dnlp=convert;
solve m us dnlp max objvar;
$onecho > t1.gms
$include gams.gms
abort$(m.modelstat <> 1) 'should be optimal'
$offecho
execute 'gams t1 lo=%gams.lo% dnlp=conopt';
abort$errorlevel 'did not work';
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