silence random failure due to rounding errors

git-svn-id: https://dng.biozentrum.unibas.ch/svn/openstructure/trunk@2037 5a81b35b-ba03-0410-adc8-b2c5c5119f08

modules/img/alg/tests/test_fft.cc

@@ -88,7 +88,8 @@ void Test_C2C_1D_calc(int N)
     Point peak(N/step,0);
     Complex peak_value = out_state->Value(peak);
     Complex calc_peak_value = Complex(sum,0.0);
-    BOOST_REQUIRE(peak_value == calc_peak_value);
+    std::cout << std::abs(peak_value-calc_peak_value);
+    BOOST_REQUIRE(std::abs(peak_value-calc_peak_value)<1e-06);
 
   } catch (alg::FFTException& e) {
     BOOST_ERROR("FFT Exception caught!");
@@ -394,7 +395,7 @@ void Test_DFT(DataType TYPE)
     Real absdiff=std::abs(fi1.GetComplex(it)-fi2.GetComplex(it));
     msg.str("");
     msg << "@" << Point(it) << ": abs(" << fi1.GetComplex(it) << "-" <<fi2.GetComplex(it) << ")="<<absdiff;
-    BOOST_REQUIRE_MESSAGE(absdiff<1e-5,msg.str());
+    BOOST_REQUIRE_MESSAGE(absdiff<1e-4,msg.str());
   }
 
   ImageHandle ri3 = fi1.Apply(alg::DFT());