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speed up code by 10 times replacing hypot with sqrt

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LDprg 2022-09-06 09:25:23 +02:00 committed by Vittorio Romeo
parent 45986c6400
commit 0584448a06
2 changed files with 3 additions and 3 deletions
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2
src/SFML/System/Vector2.cpp
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@ -107,7 +107,7 @@ T Vector2<T>::length() const
{ {
static_assert(std::is_floating_point_v<T>, "Vector2::length() is only supported for floating point types"); static_assert(std::is_floating_point_v<T>, "Vector2::length() is only supported for floating point types");
return std::hypot(x, y); return std::sqrt(x*x + y*y);
} }
} // namespace sf } // namespace sf

2
src/SFML/System/Vector3.cpp
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@ -48,7 +48,7 @@ T Vector3<T>::length() const
{ {
static_assert(std::is_floating_point_v<T>, "Vector3::length() is only supported for floating point types"); static_assert(std::is_floating_point_v<T>, "Vector3::length() is only supported for floating point types");
return std::hypot(x, y, z); return std::sqrt(x*x + y*y + z*z);
} }
} // namespace sf } // namespace sf