P0811R3_midpoint_lerp: Suppress warning C4756 (#5676)

StephanTLavavej · web-flow · commit 67ff5c3ab7c7 · 2025-08-16T15:04:33.000-07:00
diff --git a/tests/std/tests/P0811R3_midpoint_lerp/test.cpp b/tests/std/tests/P0811R3_midpoint_lerp/test.cpp
@@ -1031,6 +1031,8 @@ bool test_lerp() {
     return true;
 }
 
+#pragma warning(push)
+#pragma warning(disable : 4756) // ignore constant arithmetic overflow warning
 void test_gh_1917() {
     // GH-1917 <cmath>: lerp(1e+308, 5e+307, 4.0) spuriously overflows
     using bit_type       = unsigned long long;
@@ -1110,6 +1112,7 @@ void test_gh_1917() {
     }
 #endif // _M_FP_STRICT
 }
+#pragma warning(pop)
 
 constexpr bool test_gh_2112() {
     // GH-2112 <cmath>: std::lerp is missing Arithmetic overloads

Original file line number	Diff line number	Diff line change
`@@ -1031,6 +1031,8 @@ bool test_lerp() {`
`1031`	`1031`	`return true;`
`1032`	`1032`	`}`
`1033`	`1033`
	`1034`	`+#pragma warning(push)`
	`1035`	`+#pragma warning(disable : 4756) // ignore constant arithmetic overflow warning`
`1034`	`1036`	`void test_gh_1917() {`
`1035`	`1037`	`// GH-1917 <cmath>: lerp(1e+308, 5e+307, 4.0) spuriously overflows`
`1036`	`1038`	`using bit_type = unsigned long long;`
`@@ -1110,6 +1112,7 @@ void test_gh_1917() {`
`1110`	`1112`	`}`
`1111`	`1113`	`#endif // _M_FP_STRICT`
`1112`	`1114`	`}`
	`1115`	`+#pragma warning(pop)`
`1113`	`1116`
`1114`	`1117`	`constexpr bool test_gh_2112() {`
`1115`	`1118`	`// GH-2112 <cmath>: std::lerp is missing Arithmetic overloads`