Description

centropy(p,q,delta) = p * log((p+delta)/(q+delta))

Small Model of Type : GAMS

Category : GAMS Test library

Main file : fncentr.gms   includes :   fnset_x.inc [html]  fntest_x.inc [html]

$title 'Test correctness of centropy intrinsic' (FNCENTR,SEQ=317)

$onText
centropy(p,q,delta) = p * log((p+delta)/(q+delta))
$offText

$include fnset_x.inc

$gdxIn fncentr
$load relToInput aeps reps0 reps1 reps2 T data
$gdxIn

aeps = 1e-15;
reps0 = 1e-12;
reps1 = 1e-13;
reps2 = 1e-13;

loop {T,
  data(T,  'f') = centropy.value (data(T,'x'), data(T,'c'), data(T,'d'));
  data(T, 'fx') = centropy.grad  (data(T,'x'), data(T,'c'), data(T,'d'));
  data(T,'fxx') = centropy.hess  (data(T,'x'), data(T,'c'), data(T,'d'));
  data(T, 'rc') = mathlastrc;
  data(T, 'ec') = mathlastec;
};

* we may get evaluation errors if we have some very large
* points in the input: this should not cause the test to fail
execerror = 0;

$include fntest_x.inc