[libcxx-commits] [libcxx] d1dbda1 - [libc++] [LWG3201] Update status page: lerp should be marked noexcept.

[Marek Kurdej via libcxx-commits]

Author: Marek Kurdej
Date: 2020-05-25T22:28:21+02:00
New Revision: d1dbda10cefeaa124e28eb289cdc92c049c3d973

URL: https://github.com/llvm/llvm-project/commit/d1dbda10cefeaa124e28eb289cdc92c049c3d973
DIFF: https://github.com/llvm/llvm-project/commit/d1dbda10cefeaa124e28eb289cdc92c049c3d973.diff

LOG: [libc++] [LWG3201] Update status page: lerp should be marked noexcept.

Summary: Update status page and test synopsis. Add synopsis in <cmath>.

Reviewed By: ldionne, #libc

Differential Revision: https://reviews.llvm.org/D80456

Added: 
    

Modified: 
    libcxx/include/cmath
    libcxx/test/std/numerics/c.math/c.math.lerp/c.math.lerp.pass.cpp
    libcxx/www/cxx2a_status.html

Removed: 
    


################################################################################
diff  --git a/libcxx/include/cmath b/libcxx/include/cmath
index 0f06486fb34f..0901a23a2498 100644
--- a/libcxx/include/cmath
+++ b/libcxx/include/cmath
@@ -296,6 +296,10 @@ floating_point trunc (arithmetic x);
 float          truncf(float x);
 long double    truncl(long double x);
 
+constexpr float       lerp(float a, float b, float t) noexcept;                   // C++20
+constexpr double      lerp(double a, double b, double t) noexcept;                // C++20
+constexpr long double lerp(long double a, long double b, long double t) noexcept; // C++20
+
 }  // std
 
 */

diff  --git a/libcxx/test/std/numerics/c.math/c.math.lerp/c.math.lerp.pass.cpp b/libcxx/test/std/numerics/c.math/c.math.lerp/c.math.lerp.pass.cpp
index 7d9ceef8b48e..6eeeec4898d6 100644
--- a/libcxx/test/std/numerics/c.math/c.math.lerp/c.math.lerp.pass.cpp
+++ b/libcxx/test/std/numerics/c.math/c.math.lerp/c.math.lerp.pass.cpp
@@ -8,10 +8,9 @@
 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
 // <cmath>
 
-// constexpr float lerp(float a, float b, float t);
-// constexpr double lerp(double a, double b, double t);
-// constexpr long double lerp(long double a, long double b, long double t);
-
+// constexpr float lerp(float a, float b, float t) noexcept;
+// constexpr double lerp(double a, double b, double t) noexcept;
+// constexpr long double lerp(long double a, long double b, long double t) noexcept;
 
 #include <cmath>
 #include <limits>

diff  --git a/libcxx/www/cxx2a_status.html b/libcxx/www/cxx2a_status.html
index 2a93d35feb50..6214dd2cdd83 100644
--- a/libcxx/www/cxx2a_status.html
+++ b/libcxx/www/cxx2a_status.html
@@ -477,7 +477,7 @@ <h3>Library Working group Issues Status</h3>
 	<tr><td><a href="https://wg21.link/LWG3175">3175</a></td><td>The <tt>CommonReference</tt> requirement of concept <tt>SwappableWith</tt> is not satisfied in the example</td><td>Prague</td><td></td></tr>
 	<tr><td><a href="https://wg21.link/LWG3194">3194</a></td><td><tt>ConvertibleTo</tt> prose does not match code</td><td>Prague</td><td></td></tr>
 	<tr><td><a href="https://wg21.link/LWG3200">3200</a></td><td><tt>midpoint</tt> should not constrain <tt>T</tt> is complete</td><td>Prague</td><td></td></tr>
-	<tr><td><a href="https://wg21.link/LWG3201">3201</a></td><td><tt>lerp</tt> should be marked as <tt>noexcept</tt></td><td>Prague</td><td></td></tr>
+	<tr><td><a href="https://wg21.link/LWG3201">3201</a></td><td><tt>lerp</tt> should be marked as <tt>noexcept</tt></td><td>Prague</td><td>Complete</td></tr>
 	<tr><td><a href="https://wg21.link/LWG3226">3226</a></td><td><tt>zoned_time</tt> constructor from <tt>string_view</tt> should accept <tt>zoned_time<Duration2, TimeZonePtr2></tt></td><td>Prague</td><td></td></tr>
 	<tr><td><a href="https://wg21.link/LWG3233">3233</a></td><td>Broken requirements for <tt>shared_ptr</tt> converting constructors</td><td>Prague</td><td></td></tr>
 	<tr><td><a href="https://wg21.link/LWG3237">3237</a></td><td>LWG 3038 and 3190 have inconsistent PRs</td><td>Prague</td><td></td></tr>