Print done when done.

1 files changed, 124 insertions, 0 deletions

diff --git a/indra/llmath/v4math.cpp b/indra/llmath/v4math.cpp
new file mode 100644
index 0000000000..16fbdd24a1
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+++ b/indra/llmath/v4math.cpp
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+/** 
+ * @file v4math.cpp
+ * @brief LLVector4 class implementation.
+ *
+ * Copyright (c) 2000-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#include "linden_common.h"
+
+//#include "vmath.h"
+#include "v3math.h"
+#include "v4math.h"
+#include "m4math.h"
+#include "m3math.h"
+#include "llquaternion.h"
+
+// LLVector4
+
+// Axis-Angle rotations
+
+/*
+const LLVector4&	LLVector4::rotVec(F32 angle, const LLVector4 &vec)
+{
+	if ( !vec.isExactlyZero() && angle )
+	{
+		*this = *this * LLMatrix4(angle, vec);
+	}
+	return *this;
+}
+
+const LLVector4&	LLVector4::rotVec(F32 angle, F32 x, F32 y, F32 z)
+{
+	LLVector3 vec(x, y, z);
+	if ( !vec.isExactlyZero() && angle )
+	{
+		*this = *this * LLMatrix4(angle, vec);
+	}
+	return *this;
+}
+*/
+
+const LLVector4&	LLVector4::rotVec(const LLMatrix4 &mat)
+{
+	*this = *this * mat;
+	return *this;
+}
+
+const LLVector4&	LLVector4::rotVec(const LLQuaternion &q)
+{
+	*this = *this * q;
+	return *this;
+}
+
+const LLVector4&	LLVector4::scaleVec(const LLVector4& vec)
+{
+	mV[VX] *= vec.mV[VX];
+	mV[VY] *= vec.mV[VY];
+	mV[VZ] *= vec.mV[VZ];
+	mV[VW] *= vec.mV[VW];
+
+	return *this;
+}
+
+// Sets all values to absolute value of their original values
+// Returns TRUE if data changed
+BOOL LLVector4::abs()
+{
+	BOOL ret = FALSE;
+
+	if (mV[0] < 0.f) { mV[0] = -mV[0]; ret = TRUE; }
+	if (mV[1] < 0.f) { mV[1] = -mV[1]; ret = TRUE; }
+	if (mV[2] < 0.f) { mV[2] = -mV[2]; ret = TRUE; }
+	if (mV[3] < 0.f) { mV[3] = -mV[3]; ret = TRUE; }
+
+	return ret;
+}
+
+
+std::ostream& operator<<(std::ostream& s, const LLVector4 &a) 
+{
+	s << "{ " << a.mV[VX] << ", " << a.mV[VY] << ", " << a.mV[VZ] << ", " << a.mV[VW] << " }";
+	return s;
+}
+
+
+// Non-member functions
+
+F32 angle_between( const LLVector4& a, const LLVector4& b )
+{
+	LLVector4 an = a;
+	LLVector4 bn = b;
+	an.normVec();
+	bn.normVec();
+	F32 cosine = an * bn;
+	F32 angle = (cosine >= 1.0f) ? 0.0f :
+		(cosine <= -1.0f) ? F_PI :
+		acos(cosine);
+	return angle;
+}
+
+BOOL are_parallel(const LLVector4 &a, const LLVector4 &b, F32 epsilon)
+{
+	LLVector4 an = a;
+	LLVector4 bn = b;
+	an.normVec();
+	bn.normVec();
+	F32 dot = an * bn;
+	if ( (1.0f - fabs(dot)) < epsilon)
+		return TRUE;
+	return FALSE;
+}
+
+
+LLVector3 vec4to3(const LLVector4 &vec)
+{
+	return LLVector3( vec.mV[VX], vec.mV[VY], vec.mV[VZ] );
+}
+
+LLVector4 vec3to4(const LLVector3 &vec)
+{
+	return LLVector4(vec.mV[VX], vec.mV[VY], vec.mV[VZ]);
+}
+