Probabilistic test path

mborland · mborland · commit 4ed4b020cb91 · 2024-06-27T10:16:16.000-04:00
diff --git a/test/test_cmath.cpp b/test/test_cmath.cpp
@@ -802,6 +802,8 @@ void test_lrint()
         // Difference in rounding mode at 0.5
         if (abs(ret_dec) == abs(ret_val) + 1)
         {
+            // LCOV_EXCL_START
+
             float iptr;
             const auto frac = std::modf(val1, &iptr);
             if (abs(abs(frac) - 0.5F) < 0.01F)
@@ -810,11 +812,11 @@ void test_lrint()
             }
             else
             {
-                // LCOV_EXCL_START
                 std::cerr << "Frac: " << frac
                           << "\nDist: " << std::fabs(frac - 0.5F) / std::numeric_limits<float>::epsilon() << std::endl;
-                // LCOV_EXCL_STOP
             }
+
+            // LCOV_EXCL_STOP
         }
 
         if (!BOOST_TEST_EQ(ret_val, ret_dec))

Original file line number	Diff line number	Diff line change
`@@ -802,6 +802,8 @@ void test_lrint()`
`802`	`802`	`// Difference in rounding mode at 0.5`
`803`	`803`	`if (abs(ret_dec) == abs(ret_val) + 1)`
`804`	`804`	`{`
	`805`	`+ // LCOV_EXCL_START`
	`806`	`+`
`805`	`807`	`float iptr;`
`806`	`808`	`const auto frac = std::modf(val1, &iptr);`
`807`	`809`	`if (abs(abs(frac) - 0.5F) < 0.01F)`
`@@ -810,11 +812,11 @@ void test_lrint()`
`810`	`812`	`}`
`811`	`813`	`else`
`812`	`814`	`{`
`813`		`- // LCOV_EXCL_START`
`814`	`815`	`std::cerr << "Frac: " << frac`
`815`	`816`	`<< "\nDist: " << std::fabs(frac - 0.5F) / std::numeric_limits<float>::epsilon() << std::endl;`
`816`		`- // LCOV_EXCL_STOP`
`817`	`817`	`}`
	`818`	`+`
	`819`	`+ // LCOV_EXCL_STOP`
`818`	`820`	`}`
`819`	`821`
`820`	`822`	`if (!BOOST_TEST_EQ(ret_val, ret_dec))`