[rand.dist.samp.pconst] plus some bug fixes in the tests of the other distributions

llvm-svn: 104224

1 files changed, 8 insertions, 8 deletions

diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bernoulli/eval_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bernoulli/eval_param.pass.cpp
index bb4be855243..5754a8dc6d6 100644
--- a/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bernoulli/eval_param.pass.cpp
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bernoulli/eval_param.pass.cpp
@@ -61,10 +61,10 @@ int main()
         double x_var = p.p()*(1-p.p());
         double x_skew = (1 - 2 * p.p())/std::sqrt(x_var);
         double x_kurtosis = (6 * sqr(p.p()) - 6 * p.p() + 1)/x_var;
-        assert(std::abs(mean - x_mean) / x_mean < 0.01);
-        assert(std::abs(var - x_var) / x_var < 0.01);
-        assert(std::abs(skew - x_skew) / x_skew < 0.01);
-        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+        assert(std::abs((mean - x_mean) / x_mean) < 0.01);
+        assert(std::abs((var - x_var) / x_var) < 0.01);
+        assert(std::abs((skew - x_skew) / x_skew) < 0.01);
+        assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.02);
     }
     {
         typedef std::bernoulli_distribution D;
@@ -99,9 +99,9 @@ int main()
         double x_var = p.p()*(1-p.p());
         double x_skew = (1 - 2 * p.p())/std::sqrt(x_var);
         double x_kurtosis = (6 * sqr(p.p()) - 6 * p.p() + 1)/x_var;
-        assert(std::abs(mean - x_mean) / x_mean < 0.01);
-        assert(std::abs(var - x_var) / x_var < 0.01);
-        assert(std::abs(skew - x_skew) / x_skew < 0.01);
-        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+        assert(std::abs((mean - x_mean) / x_mean) < 0.01);
+        assert(std::abs((var - x_var) / x_var) < 0.01);
+        assert(std::abs((skew - x_skew) / x_skew) < 0.01);
+        assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.02);
     }
 }