diff options
Diffstat (limited to 'src/gui/math3d/qvector4d.h')
| -rw-r--r-- | src/gui/math3d/qvector4d.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gui/math3d/qvector4d.h b/src/gui/math3d/qvector4d.h index 5e21d0853d..1256f384a0 100644 --- a/src/gui/math3d/qvector4d.h +++ b/src/gui/math3d/qvector4d.h @@ -86,7 +86,12 @@ public: float operator[](int i) const; float length() const; +#ifdef QT_BUILD_GUI_LIB float lengthSquared() const; +#else + Q_DECL_CONSTEXPR inline float lengthSquared() const + { return xp * xp + yp * yp + zp * zp + wp * wp; } +#endif QVector4D normalized() const; void normalize(); @@ -97,7 +102,12 @@ public: QVector4D &operator*=(const QVector4D &vector); QVector4D &operator/=(float divisor); +#ifdef QT_BUILD_GUI_LIB static float dotProduct(const QVector4D& v1, const QVector4D& v2); +#else + static float dotProduct(const QVector4D& v1, const QVector4D& v2) + { return v1.xp * v2.xp + v1.yp * v2.yp + v1.zp * v2.zp + v1.wp * v2.wp; } +#endif Q_DECL_CONSTEXPR friend inline bool operator==(const QVector4D &v1, const QVector4D &v2); Q_DECL_CONSTEXPR friend inline bool operator!=(const QVector4D &v1, const QVector4D &v2); |