[stat] Slightly raise test comparison accuracy for compatibility with IntelLLVM compiler

Author: Wentzell

test/c++/stat/autocorr.cpp

@@ -213,10 +213,10 @@ TEST(Stat, LogBinArray) {
   auto [errors_b, counts_b]   = b.log_bin_errors();
 
   for (auto [x1, x2, a] : itertools::zip(errors_b1, errors_b2, errors_b)) {
-    EXPECT_NEAR(x1, a(0, 0), 1.e-15);
-    EXPECT_NEAR(x2, a(0, 1), 1.e-15);
-    EXPECT_NEAR(x1, a(1, 1), 1.e-15);
-    EXPECT_NEAR(x2, a(1, 0), 1.e-15);
+    EXPECT_NEAR(x1, a(0, 0), 1.e-14);
+    EXPECT_NEAR(x2, a(0, 1), 1.e-14);
+    EXPECT_NEAR(x1, a(1, 1), 1.e-14);
+    EXPECT_NEAR(x2, a(1, 0), 1.e-14);
   }
 
   auto [errors_bb, counts_bb] = b.log_bin_errors();

test/c++/stat/jackknife.cpp

@@ -165,12 +165,12 @@ TEST(Binned, array) {
   //std::cerr << xn << std::endl;
   //std::cerr << xd << std::endl;
 
-  EXPECT_NEAR(x1, x(0, 0), 1.e-15);
-  EXPECT_NEAR(x2, x(0, 1), 1.e-15);
-  EXPECT_NEAR(xn1, xn(0, 0), 1.e-15);
-  EXPECT_NEAR(xn2, xn(0, 1), 1.e-15);
-  EXPECT_NEAR(d1, xd(0, 0), 1.e-15);
-  EXPECT_NEAR(d2, xd(1, 0), 1.e-15);
+  EXPECT_NEAR(x1, x(0, 0), 1.e-13);
+  EXPECT_NEAR(x2, x(0, 1), 1.e-13);
+  EXPECT_NEAR(xn1, xn(0, 0), 1.e-13);
+  EXPECT_NEAR(xn2, xn(0, 1), 1.e-13);
+  EXPECT_NEAR(d1, xd(0, 0), 1.e-13);
+  EXPECT_NEAR(d2, xd(1, 0), 1.e-13);
 }
 
 /*