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bug #1197: fix/relax some LM unit tests

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This commit is contained in:
Gael Guennebaud
2016-04-09 11:14:02 +02:00
parent a05a683d83
commit af2161cdb4
2 changed files with 23 additions and 12 deletions
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16
unsupported/test/NonLinearOptimization.cpp
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@@ -14,6 +14,9 @@
using std::sqrt;
// tolerance for chekcing number of iterations
#define LM_EVAL_COUNT_TOL 4/3
int fcn_chkder(const VectorXd &x, VectorXd &fvec, MatrixXd &fjac, int iflag)
{
/* subroutine fcn for chkder example. */
@@ -1023,7 +1026,8 @@ void testNistLanczos1(void)
VERIFY_IS_EQUAL(lm.njev, 72);
// check norm^2
std::cout.precision(30);
VERIFY_IS_APPROX(lm.fvec.squaredNorm(), 1.4290986055242372e-25); // should be 1.4307867721E-25, but nist results are on 128-bit floats
std::cout << lm.fvec.squaredNorm() << "\n";
VERIFY(lm.fvec.squaredNorm() <= 1.4307867721E-25);
// check x
VERIFY_IS_APPROX(x[0], 9.5100000027E-02);
VERIFY_IS_APPROX(x[1], 1.0000000001E+00);
@@ -1044,7 +1048,7 @@ void testNistLanczos1(void)
VERIFY_IS_EQUAL(lm.nfev, 9);
VERIFY_IS_EQUAL(lm.njev, 8);
// check norm^2
VERIFY_IS_APPROX(lm.fvec.squaredNorm(), 1.430571737783119393e-25); // should be 1.4307867721E-25, but nist results are on 128-bit floats
VERIFY(lm.fvec.squaredNorm() <= 1.4307867721E-25);
// check x
VERIFY_IS_APPROX(x[0], 9.5100000027E-02);
VERIFY_IS_APPROX(x[1], 1.0000000001E+00);
@@ -1354,8 +1358,12 @@ void testNistMGH17(void)
// check return value
VERIFY_IS_EQUAL(info, 2);
VERIFY(lm.nfev < 650); // 602
VERIFY(lm.njev < 600); // 545
++g_test_level;
VERIFY_IS_EQUAL(lm.nfev, 602); // 602
VERIFY_IS_EQUAL(lm.njev, 545); // 545
--g_test_level;
VERIFY(lm.nfev < 602 * LM_EVAL_COUNT_TOL);
VERIFY(lm.njev < 545 * LM_EVAL_COUNT_TOL);
/*
* Second try