Fixed float comparison warnings in Vector3.
There's a bitwise comparison (Equals), and there's Eps-based comparison (EqualsEps).
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@ -40,7 +40,6 @@ public:
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Vector3(const Vector3<_T> * a_Rhs) : x(a_Rhs->x), y(a_Rhs->y), z(a_Rhs->z) {}
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// tolua_begin
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inline void Set(T a_x, T a_y, T a_z)
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{
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x = a_x;
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@ -105,7 +104,18 @@ public:
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inline bool Equals(const Vector3<T> & a_Rhs) const
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{
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return x == a_Rhs.x && y == a_Rhs.y && z == a_Rhs.z;
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// Perform a bitwise comparison of the contents - we want to know whether this object is exactly equal
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// To perform EPS-based comparison, use the EqualsEps() function
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return (
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(memcmp(&x, &a_Rhs.x, sizeof(x)) == 0) &&
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(memcmp(&y, &a_Rhs.y, sizeof(y)) == 0) &&
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(memcmp(&z, &a_Rhs.z, sizeof(z)) == 0)
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);
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}
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inline bool EqualsEps(const Vector3<T> & a_Rhs, T a_Eps) const
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{
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return (Abs(x - a_Rhs.x) < a_Eps) && (Abs(y - a_Rhs.y) < a_Eps) && (Abs(z - a_Rhs.z) < a_Eps);
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}
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inline bool operator == (const Vector3<T> & a_Rhs) const
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@ -233,7 +243,7 @@ public:
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*/
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inline double LineCoeffToXYPlane(const Vector3<T> & a_OtherEnd, T a_Z) const
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{
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if (abs(z - a_OtherEnd.z) < EPS)
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if (Abs(z - a_OtherEnd.z) < EPS)
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{
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return NO_INTERSECTION;
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}
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@ -248,7 +258,7 @@ public:
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*/
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inline double LineCoeffToXZPlane(const Vector3<T> & a_OtherEnd, T a_Y) const
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{
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if (abs(y - a_OtherEnd.y) < EPS)
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if (Abs(y - a_OtherEnd.y) < EPS)
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{
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return NO_INTERSECTION;
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}
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@ -263,7 +273,7 @@ public:
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*/
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inline double LineCoeffToYZPlane(const Vector3<T> & a_OtherEnd, T a_X) const
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{
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if (abs(x - a_OtherEnd.x) < EPS)
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if (Abs(x - a_OtherEnd.x) < EPS)
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{
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return NO_INTERSECTION;
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}
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@ -276,7 +286,15 @@ public:
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/** Return value of LineCoeffToPlane() if the line is parallel to the plane. */
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static const double NO_INTERSECTION;
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protected:
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/** Returns the absolute value of the given argument.
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Templatized because the standard library differentiates between abs() and fabs(). */
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static T Abs(T a_Value)
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{
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return (a_Value < 0) ? -a_Value : a_Value;
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}
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};
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// tolua_end
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