X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Ftests%2Frealops.cpp;h=3c863a13ded3043dfeec58209f97cfe48853e02b;hp=997eb64d2ff5c580730e2858aaab8ffef85b9fe9;hb=71df61ab8ea302247ad35ccdc973bc8e0cafd5b1;hpb=03cc1b0a0d0705e0b1d92e13fdb18608c7a00272 diff --git a/src/tests/realops.cpp b/src/tests/realops.cpp index 997eb64..3c863a1 100644 --- a/src/tests/realops.cpp +++ b/src/tests/realops.cpp @@ -12,7 +12,7 @@ using namespace IPDF; static double g_totalerror = 0; -bool NotEqual(double a, double b, double threshold=1e-1) +bool NotEqual(double a, double b, double threshold=1e-4) { double error = fabs(a-b); g_totalerror += error; @@ -25,6 +25,8 @@ int main(int argc, char ** argv) DebugRealInfo(); unsigned failures = 0; + Real acumulate(0); + double dacumulate = 0; for (unsigned i = 0; i < TEST_CASES; ++i) { //Debug("Test %u of %u", i, TEST_CASES); @@ -116,7 +118,61 @@ int main(int argc, char ** argv) { failures++; Warn("a /= b = %f should be %f, a before op was %f", Double(a), da, Double(abeforeop)); + } + if (NotEqual(Double(a*0.0 + 1.0), da*0.0 + 1.0)) + { + failures++; + Warn("a * 0 = %f should be %f, a before op was %f", Double(a), da, Double(abeforeop)); } + + if (NotEqual(Double(a=b), da=db)) + { + failures++; + Warn("a = b = %f should be %f, a before op was %f", Double(a), da, Double(abeforeop)); + } + + if (NotEqual(Double(-a), -da)) + { + failures++; + Warn("-a = %f should be %f, a before op was %f", Double(-a), -da, Double(abeforeop)); + } + + if (NotEqual(Double(Sqrt(a)), Sqrt(da))) + { + failures++; + Warn("Sqrt(a) = %f should be %f, a before op was %f", Double(Sqrt(a)), Sqrt(da), Double(abeforeop)); + } + + if (NotEqual(Double(a), da)) + { + failures++; + Warn("a = %f, should be %f, a before ops was %f", Double(a), da, Double(abeforeop)); + } + + switch (rand() % 4) + { + case 0: + acumulate += a; + dacumulate += da; + break; + case 1: + acumulate -= a; + dacumulate -= da; + break; + case 2: + acumulate *= a; + dacumulate *= da; + break; + case 3: + acumulate /= a; + dacumulate /= da; + break; + } + if (NotEqual(Double(acumulate), dacumulate)) + { + Warn("Accumulated result %.30lf vs %.30lf is wrong", Double(acumulate), dacumulate); + failures++; + } if (failures > old_failures) { @@ -125,8 +181,12 @@ int main(int argc, char ** argv) Debug("\tStrings are a = %s, b = %s, aa = %s, bb = %s", a.Str().c_str(), b.Str().c_str(), aa.Str().c_str(), bb.Str().c_str()); #endif } + } - Debug("Completed %u test cases with total of %u operations, %u failures", TEST_CASES, 12*TEST_CASES, failures); + Debug("Completed %u test cases with total of %u operations, %u failures", TEST_CASES, 18*TEST_CASES, failures); Debug("Total accumulated difference between Real and Double operations was %f", g_totalerror); + Debug("Real: %.40lf", Double(acumulate)); + Debug("Doub: %.40lf", dacumulate); + Debug("Diff: %.40lf", Double(acumulate) - dacumulate); }