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Diffstat (limited to 'docs/reference/assertions.md')
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1 files changed, 9 insertions, 2 deletions
diff --git a/docs/reference/assertions.md b/docs/reference/assertions.md index 492ff5e..eeec4a0 100644 --- a/docs/reference/assertions.md +++ b/docs/reference/assertions.md @@ -276,7 +276,8 @@ Units in the Last Place (ULPs). To learn more about ULPs, see the article `ASSERT_FLOAT_EQ(`*`val1`*`,`*`val2`*`)` Verifies that the two `float` values *`val1`* and *`val2`* are approximately -equal, to within 4 ULPs from each other. +equal, to within 4 ULPs from each other. Infinity and the largest finite float +value are considered to be one ULP apart. ### EXPECT_DOUBLE_EQ {#EXPECT_DOUBLE_EQ} @@ -284,7 +285,8 @@ equal, to within 4 ULPs from each other. `ASSERT_DOUBLE_EQ(`*`val1`*`,`*`val2`*`)` Verifies that the two `double` values *`val1`* and *`val2`* are approximately -equal, to within 4 ULPs from each other. +equal, to within 4 ULPs from each other. Infinity and the largest finite double +value are considered to be one ULP apart. ### EXPECT_NEAR {#EXPECT_NEAR} @@ -294,6 +296,11 @@ equal, to within 4 ULPs from each other. Verifies that the difference between *`val1`* and *`val2`* does not exceed the absolute error bound *`abs_error`*. +If *`val`* and *`val2`* are both infinity of the same sign, the difference is +considered to be 0. Otherwise, if either value is infinity, the difference is +considered to be infinity. All non-NaN values (including infinity) are +considered to not exceed an *`abs_error`* of infinity. + ## Exception Assertions {#exceptions} The following assertions verify that a piece of code throws, or does not throw, |