Update src/Imath/ImathRoots.h

use copy sign Co-authored-by: Nick Porcino <[email protected]> Signed-off-by: Piotr Barejko <[email protected]>
AcademySoftwareFoundation · Oct 28, 2021 · e2fe4b7 · e2fe4b7
1 parent f912b0c
commit e2fe4b7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Imath/ImathRoots.h b/src/Imath/ImathRoots.h
@@ -156,7 +156,7 @@ solveNormalizedCubic (T r, T s, T t, T x[3])
     if (D > 0)
     {
         auto real_root = [] (T a, T x) -> T {
-            T sign = a < T (0) ? T (-1) : T (1);
+            T sign = std::copysign(T(1), a);
             return sign * std::pow (sign * a, T (1) / x);
         };