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890 lines
31 KiB
Plaintext
890 lines
31 KiB
Plaintext
// Filename: lvecBase2_src.I
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// Created by: drose (08Mar00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Default Constructor
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::
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FLOATNAME(LVecBase2)() {
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Copy Constructor
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::
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FLOATNAME(LVecBase2)(const FLOATNAME(LVecBase2) ©) : _v(copy._v) {
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Copy Assignment Operator
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2) &FLOATNAME(LVecBase2)::
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operator = (const FLOATNAME(LVecBase2) ©) {
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TAU_PROFILE("void LVecBase2::operator = (LVecBase2 &)", " ", TAU_USER);
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_v = copy._v;
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return *this;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Fill Assignment Operator
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2) &FLOATNAME(LVecBase2)::
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operator = (FLOATTYPE fill_value) {
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fill(fill_value);
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return *this;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Constructor
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::
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FLOATNAME(LVecBase2)(FLOATTYPE fill_value) {
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fill(fill_value);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Constructor
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::
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FLOATNAME(LVecBase2)(FLOATTYPE x, FLOATTYPE y) {
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TAU_PROFILE("LVecBase2::LVecBase2(FLOATTYPE, ...)", " ", TAU_USER);
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_v(0) = x;
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_v(1) = y;
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// set(x, y);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::zero Named Constructor
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// Access: Published
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// Description: Returns a zero-length vector.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH const FLOATNAME(LVecBase2) &FLOATNAME(LVecBase2)::
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zero() {
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return _zero;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::unit_x Named Constructor
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// Access: Published
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// Description: Returns a unit X vector.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH const FLOATNAME(LVecBase2) &FLOATNAME(LVecBase2)::
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unit_x() {
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return _unit_x;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::unit_y Named Constructor
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// Access: Published
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// Description: Returns a unit Y vector.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH const FLOATNAME(LVecBase2) &FLOATNAME(LVecBase2)::
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unit_y() {
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return _unit_y;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Destructor
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::
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~FLOATNAME(LVecBase2)() {
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Indexing Operator
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATTYPE FLOATNAME(LVecBase2)::
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operator [](int i) const {
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nassertr(i >= 0 && i < 2, 0);
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return _v(i);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::Indexing Operator
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATTYPE &FLOATNAME(LVecBase2)::
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operator [](int i) {
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nassertr(i >= 0 && i < 2, _v(0));
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return _v(i);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::size
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// Access: Published, Static
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// Description: Returns 2: the number of components of a LVecBase2.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH int FLOATNAME(LVecBase2)::
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size() {
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return 2;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::is_nan
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// Access: Published
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// Description: Returns true if any component of the vector is
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// not-a-number, false otherwise.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH bool FLOATNAME(LVecBase2)::
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is_nan() const {
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#ifdef FLOATTYPE_IS_INT
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return false;
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#else
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TAU_PROFILE("bool LVecBase2::is_nan()", " ", TAU_USER);
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return cnan(_v(0)) || cnan(_v(1));
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#endif
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::get_cell
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATTYPE FLOATNAME(LVecBase2)::
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get_cell(int i) const {
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nassertr(i >= 0 && i < 2, 0);
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return _v(i);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::get_x
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATTYPE FLOATNAME(LVecBase2)::
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get_x() const {
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return _v(0);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::get_y
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATTYPE FLOATNAME(LVecBase2)::
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get_y() const {
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return _v(1);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::set_cell
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH void FLOATNAME(LVecBase2)::
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set_cell(int i, FLOATTYPE value) {
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nassertv(i >= 0 && i < 2);
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_v(i) = value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::set_x
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH void FLOATNAME(LVecBase2)::
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set_x(FLOATTYPE value) {
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_v(0) = value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::set_y
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH void FLOATNAME(LVecBase2)::
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set_y(FLOATTYPE value) {
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_v(1) = value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::add_to_cell
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH void FLOATNAME(LVecBase2)::
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add_to_cell(int i, FLOATTYPE value) {
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nassertv(i >= 0 && i < 2);
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_v(i) += value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::add_x
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH void FLOATNAME(LVecBase2)::
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add_x(FLOATTYPE value) {
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_v(0) += value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::add_y
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH void FLOATNAME(LVecBase2)::
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add_y(FLOATTYPE value) {
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_v(1) += value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::get_data
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// Access: Published
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// Description: Returns the address of the first of the two data
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// elements in the vector. The next element
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// occupies the next position consecutively in memory.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH const FLOATTYPE *FLOATNAME(LVecBase2)::
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get_data() const {
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return &_v(0);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::get_num_components
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// Access: Published
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// Description: Returns the number of elements in the vector, two.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH int FLOATNAME(LVecBase2)::
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get_num_components() const {
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return 2;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::begin
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// Access: Published
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// Description: Returns an iterator that may be used to traverse the
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// elements of the matrix, STL-style.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::iterator FLOATNAME(LVecBase2)::
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begin() {
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return &_v(0);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::end
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// Access: Published
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// Description: Returns an iterator that may be used to traverse the
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// elements of the matrix, STL-style.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::iterator FLOATNAME(LVecBase2)::
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end() {
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return begin() + get_num_components();
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::begin
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// Access: Published
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// Description: Returns an iterator that may be used to traverse the
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// elements of the matrix, STL-style.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::const_iterator FLOATNAME(LVecBase2)::
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begin() const {
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return &_v(0);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::end
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// Access: Published
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// Description: Returns an iterator that may be used to traverse the
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// elements of the matrix, STL-style.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2)::const_iterator FLOATNAME(LVecBase2)::
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end() const {
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return begin() + get_num_components();
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::fill
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// Access: Published
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// Description: Sets each element of the vector to the indicated
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// fill_value. This is particularly useful for
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// initializing to zero.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH void FLOATNAME(LVecBase2)::
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fill(FLOATTYPE fill_value) {
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TAU_PROFILE("void LVecBase2::fill()", " ", TAU_USER);
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_v(0) = fill_value;
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_v(1) = fill_value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::set
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH void FLOATNAME(LVecBase2)::
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set(FLOATTYPE x, FLOATTYPE y) {
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TAU_PROFILE("void LVecBase2::set()", " ", TAU_USER);
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_v(0) = x;
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_v(1) = y;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::dot
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATTYPE FLOATNAME(LVecBase2)::
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dot(const FLOATNAME(LVecBase2) &other) const {
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TAU_PROFILE("FLOATTYPE LVecBase2::dot()", " ", TAU_USER);
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#ifdef HAVE_EIGEN
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return _v.dot(other._v);
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#else
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return _v(0) * other._v(0) + _v(1) * other._v(1);
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#endif // HAVE_EIGEN
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::length_squared
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// Access: Published
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// Description: Returns the square of the vector's length, cheap and
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// easy.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATTYPE FLOATNAME(LVecBase2)::
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length_squared() const {
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TAU_PROFILE("FLOATTYPE LVecBase2::length_squared()", " ", TAU_USER);
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#ifdef HAVE_EIGEN
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return _v.squaredNorm();
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#else
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return (*this).dot(*this);
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#endif // HAVE_EIGEN
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}
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#ifndef FLOATTYPE_IS_INT
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::length
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// Access: Published
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// Description: Returns the length of the vector, by the Pythagorean
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// theorem.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATTYPE FLOATNAME(LVecBase2)::
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length() const {
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TAU_PROFILE("FLOATTYPE LVecBase2::length()", " ", TAU_USER);
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#ifdef HAVE_EIGEN
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return _v.norm();
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#else
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return csqrt((*this).dot(*this));
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#endif // HAVE_EIGEN
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::normalize
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// Access: Published
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// Description: Normalizes the vector in place. Returns true if the
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// vector was normalized, false if it was a zero-length
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// vector.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH bool FLOATNAME(LVecBase2)::
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normalize() {
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FLOATTYPE l2 = length_squared();
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if (l2 == (FLOATTYPE)0.0f) {
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set(0.0f, 0.0f);
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return false;
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} else if (!IS_THRESHOLD_EQUAL(l2, 1.0f, NEARLY_ZERO(FLOATTYPE) * NEARLY_ZERO(FLOATTYPE))) {
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(*this) /= csqrt(l2);
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::project
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// Access: Published
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// Description: Returns a new vector representing the projection of
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// this vector onto another one. The resulting vector
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// will be a scalar multiple of onto.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH FLOATNAME(LVecBase2) FLOATNAME(LVecBase2)::
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project(const FLOATNAME(LVecBase2) &onto) const {
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return onto * (dot(onto) / onto.length_squared());
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}
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#endif // FLOATTYPE_IS_INT
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::operator <
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// Access: Published
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// Description: This performs a lexicographical comparison. It's of
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// questionable mathematical meaning, but sometimes has
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// a practical purpose for sorting unique vectors,
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// especially in an STL container. Also see
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// compare_to().
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH bool FLOATNAME(LVecBase2)::
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operator < (const FLOATNAME(LVecBase2) &other) const {
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TAU_PROFILE("bool LVecBase2::operator <(const LVecBase2 &)", " ", TAU_USER);
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return (compare_to(other) < 0);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::operator ==
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH bool FLOATNAME(LVecBase2)::
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operator == (const FLOATNAME(LVecBase2) &other) const {
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TAU_PROFILE("bool LVecBase2::operator ==(const LVecBase2 &)", " ", TAU_USER);
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#ifdef HAVE_EIGEN
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return _v == other._v;
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#else
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return (_v(0) == other._v(0) &&
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_v(1) == other._v(1));
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#endif // HAVE_EIGEN
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::operator !=
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
|
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INLINE_LINMATH bool FLOATNAME(LVecBase2)::
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operator != (const FLOATNAME(LVecBase2) &other) const {
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return !operator == (other);
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::compare_to
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// Access: Published
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// Description: This flavor of compare_to uses a default threshold
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// value based on the numeric type.
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////////////////////////////////////////////////////////////////////
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INLINE_LINMATH int FLOATNAME(LVecBase2)::
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compare_to(const FLOATNAME(LVecBase2) &other) const {
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TAU_PROFILE("int LVecBase2::compare_to(const LVecBase2 &)", " ", TAU_USER);
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#ifdef FLOATTYPE_IS_INT
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if (_v(0) != other._v(0)) {
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return (_v(0) < other._v(0)) ? -1 : 1;
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}
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if (_v(1) != other._v(1)) {
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return (_v(1) < other._v(1)) ? -1 : 1;
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}
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return 0;
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#else
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return compare_to(other, NEARLY_ZERO(FLOATTYPE));
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#endif
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}
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::get_hash
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// Access: Published
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// Description: Returns a suitable hash for phash_map.
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////////////////////////////////////////////////////////////////////
|
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INLINE_LINMATH size_t FLOATNAME(LVecBase2)::
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get_hash() const {
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TAU_PROFILE("size_t LVecBase2::get_hash()", " ", TAU_USER);
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return add_hash(0);
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}
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|
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////////////////////////////////////////////////////////////////////
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// Function: LVecBase2::add_hash
|
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// Access: Published
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// Description: Adds the vector into the running hash.
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////////////////////////////////////////////////////////////////////
|
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INLINE_LINMATH size_t FLOATNAME(LVecBase2)::
|
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add_hash(size_t hash) const {
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TAU_PROFILE("size_t LVecBase2::add_hash(size_t)", " ", TAU_USER);
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#ifdef FLOATTYPE_IS_INT
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int_hash ihasher;
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hash = ihasher.add_hash(hash, _v(0));
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hash = ihasher.add_hash(hash, _v(1));
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return hash;
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#else
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return add_hash(hash, NEARLY_ZERO(FLOATTYPE));
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#endif
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}
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|
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////////////////////////////////////////////////////////////////////
|
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// Function: LVecBase2::generate_hash
|
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// Access: Published
|
|
// Description: Adds the vector to the indicated hash generator.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
generate_hash(ChecksumHashGenerator &hashgen) const {
|
|
#ifdef FLOATTYPE_IS_INT
|
|
hashgen.add_int(_v(0));
|
|
hashgen.add_int(_v(1));
|
|
#else
|
|
generate_hash(hashgen, NEARLY_ZERO(FLOATTYPE));
|
|
#endif
|
|
}
|
|
|
|
#ifndef FLOATTYPE_IS_INT
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::compare_to
|
|
// Access: Published
|
|
// Description: Sorts vectors lexicographically, componentwise.
|
|
// Returns a number less than 0 if this vector sorts
|
|
// before the other one, greater than zero if it sorts
|
|
// after, 0 if they are equivalent (within the indicated
|
|
// tolerance).
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH int FLOATNAME(LVecBase2)::
|
|
compare_to(const FLOATNAME(LVecBase2) &other, FLOATTYPE threshold) const {
|
|
TAU_PROFILE("int LVecBase2::compare_to(const LVecBase2 &, FLOATTYPE)", " ", TAU_USER);
|
|
if (!IS_THRESHOLD_COMPEQ(_v(0), other._v(0), threshold)) {
|
|
return (_v(0) < other._v(0)) ? -1 : 1;
|
|
}
|
|
if (!IS_THRESHOLD_COMPEQ(_v(1), other._v(1), threshold)) {
|
|
return (_v(1) < other._v(1)) ? -1 : 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::get_hash
|
|
// Access: Published
|
|
// Description: Returns a suitable hash for phash_map.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH size_t FLOATNAME(LVecBase2)::
|
|
get_hash(FLOATTYPE threshold) const {
|
|
TAU_PROFILE("size_t LVecBase2::get_hash(FLOATTYPE)", " ", TAU_USER);
|
|
return add_hash(0, threshold);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::add_hash
|
|
// Access: Published
|
|
// Description: Adds the vector into the running hash.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH size_t FLOATNAME(LVecBase2)::
|
|
add_hash(size_t hash, FLOATTYPE threshold) const {
|
|
TAU_PROFILE("LVecBase2::add_hash(size_t, FLOATTYPE)", " ", TAU_USER);
|
|
float_hash fhasher(threshold);
|
|
hash = fhasher.add_hash(hash, _v(0));
|
|
hash = fhasher.add_hash(hash, _v(1));
|
|
return hash;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::generate_hash
|
|
// Access: Published
|
|
// Description: Adds the vector to the indicated hash generator.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
generate_hash(ChecksumHashGenerator &hashgen, FLOATTYPE threshold) const {
|
|
hashgen.add_fp(_v(0), threshold);
|
|
hashgen.add_fp(_v(1), threshold);
|
|
}
|
|
#endif // FLOATTYPE_IS_INT
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::unary -
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH FLOATNAME(LVecBase2) FLOATNAME(LVecBase2)::
|
|
operator - () const {
|
|
#ifdef HAVE_EIGEN
|
|
return FLOATNAME(LVecBase2)(-_v);
|
|
#else
|
|
return FLOATNAME(LVecBase2)(-_v(0), -_v(1));
|
|
#endif // HAVE_EIGEN
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::vector + vector
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH FLOATNAME(LVecBase2) FLOATNAME(LVecBase2)::
|
|
operator + (const FLOATNAME(LVecBase2) &other) const {
|
|
#ifdef HAVE_EIGEN
|
|
return FLOATNAME(LVecBase2)(_v + other._v);
|
|
#else
|
|
return FLOATNAME(LVecBase2)(_v(0) + other._v(0),
|
|
_v(1) + other._v(1));
|
|
#endif // HAVE_EIGEN
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::vector - vector
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH FLOATNAME(LVecBase2) FLOATNAME(LVecBase2)::
|
|
operator - (const FLOATNAME(LVecBase2) &other) const {
|
|
#ifdef HAVE_EIGEN
|
|
return FLOATNAME(LVecBase2)(_v - other._v);
|
|
#else
|
|
return FLOATNAME(LVecBase2)(_v(0) - other._v(0),
|
|
_v(1) - other._v(1));
|
|
#endif // HAVE_EIGEN
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::vector * scalar
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH FLOATNAME(LVecBase2) FLOATNAME(LVecBase2)::
|
|
operator * (FLOATTYPE scalar) const {
|
|
#ifdef HAVE_EIGEN
|
|
return FLOATNAME(LVecBase2)(_v * scalar);
|
|
#else
|
|
return FLOATNAME(LVecBase2)(_v(0) * scalar,
|
|
_v(1) * scalar);
|
|
#endif // HAVE_EIGEN
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::vector / scalar
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH FLOATNAME(LVecBase2) FLOATNAME(LVecBase2)::
|
|
operator / (FLOATTYPE scalar) const {
|
|
#ifdef FLOATTYPE_IS_INT
|
|
return FLOATNAME(LVecBase2)(_v(0) / scalar,
|
|
_v(1) / scalar);
|
|
#else
|
|
FLOATTYPE recip_scalar = 1.0f/scalar;
|
|
return operator * (recip_scalar);
|
|
#endif
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::operator +=
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
operator += (const FLOATNAME(LVecBase2) &other) {
|
|
#ifdef HAVE_EIGEN
|
|
_v += other._v;
|
|
#else
|
|
_v(0) += other._v(0);
|
|
_v(1) += other._v(1);
|
|
#endif // HAVE_EIGEN
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::operator -=
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
operator -= (const FLOATNAME(LVecBase2) &other) {
|
|
#ifdef HAVE_EIGEN
|
|
_v -= other._v;
|
|
#else
|
|
_v(0) -= other._v(0);
|
|
_v(1) -= other._v(1);
|
|
#endif // HAVE_EIGEN
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::operator *=
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
operator *= (FLOATTYPE scalar) {
|
|
#ifdef HAVE_EIGEN
|
|
_v *= scalar;
|
|
#else
|
|
_v(0) *= scalar;
|
|
_v(1) *= scalar;
|
|
#endif // HAVE_EIGEN
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::operator /=
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
operator /= (FLOATTYPE scalar) {
|
|
#ifdef FLOATTYPE_IS_INT
|
|
_v(0) /= scalar;
|
|
_v(1) /= scalar;
|
|
#else
|
|
FLOATTYPE recip_scalar = 1.0f/scalar;
|
|
operator *= (recip_scalar);
|
|
#endif
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::componentwise_mult
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
componentwise_mult(const FLOATNAME(LVecBase2) &other) {
|
|
#ifdef HAVE_EIGEN
|
|
_v = _v.cwiseProduct(other._v);
|
|
#else
|
|
_v(0) *= other._v(0);
|
|
_v(1) *= other._v(1);
|
|
#endif // HAVE_EIGEN
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::fmax
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH FLOATNAME(LVecBase2) FLOATNAME(LVecBase2)::
|
|
fmax(const FLOATNAME(LVecBase2) &other) const {
|
|
TAU_PROFILE("LVecBase2::fmax()", " ", TAU_USER);
|
|
return FLOATNAME(LVecBase2)(_v(0) > other._v(0) ? _v(0) : other._v(0),
|
|
_v(1) > other._v(1) ? _v(1) : other._v(1));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::fmin
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH FLOATNAME(LVecBase2) FLOATNAME(LVecBase2)::
|
|
fmin(const FLOATNAME(LVecBase2) &other) const {
|
|
TAU_PROFILE("LVecBase2::fmin()", " ", TAU_USER);
|
|
return FLOATNAME(LVecBase2)(_v(0) < other._v(0) ? _v(0) : other._v(0),
|
|
_v(1) < other._v(1) ? _v(1) : other._v(1));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::almost_equal
|
|
// Access: Published
|
|
// Description: Returns true if two vectors are memberwise equal
|
|
// within a specified tolerance.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH bool FLOATNAME(LVecBase2)::
|
|
almost_equal(const FLOATNAME(LVecBase2) &other, FLOATTYPE threshold) const {
|
|
TAU_PROFILE("bool LVecBase2::almost_equal(LVecBase2 &, FLOATTYPE)", " ", TAU_USER);
|
|
return (IS_THRESHOLD_EQUAL(_v(0), other._v(0), threshold) &&
|
|
IS_THRESHOLD_EQUAL(_v(1), other._v(1), threshold));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::almost_equal
|
|
// Access: Published
|
|
// Description: Returns true if two vectors are memberwise equal
|
|
// within a default tolerance based on the numeric type.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH bool FLOATNAME(LVecBase2)::
|
|
almost_equal(const FLOATNAME(LVecBase2) &other) const {
|
|
TAU_PROFILE("bool LVecBase2::almost_equal(LVecBase2 &)", " ", TAU_USER);
|
|
return almost_equal(other, NEARLY_ZERO(FLOATTYPE));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::output
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
output(ostream &out) const {
|
|
out << MAYBE_ZERO(_v(0)) << " "
|
|
<< MAYBE_ZERO(_v(1));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::write_datagram_fixed
|
|
// Access: Published
|
|
// Description: Writes the vector to the Datagram using add_float32()
|
|
// or add_float64(), depending on the type of floats in
|
|
// the vector, regardless of the setting of
|
|
// Datagram::set_stdfloat_double(). This is appropriate
|
|
// when you want to write a fixed-width value to the
|
|
// datagram, especially when you are not writing a bam
|
|
// file.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
write_datagram_fixed(Datagram &destination) const {
|
|
#if FLOATTOKEN == 'i'
|
|
destination.add_int32(_v(0));
|
|
destination.add_int32(_v(1));
|
|
#elif FLOATTOKEN == 'f'
|
|
destination.add_float32(_v(0));
|
|
destination.add_float32(_v(1));
|
|
#else
|
|
destination.add_float64(_v(0));
|
|
destination.add_float64(_v(1));
|
|
#endif
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::read_datagram_fixed
|
|
// Access: Published
|
|
// Description: Reads the vector from the Datagram using get_float32()
|
|
// or get_float64(). See write_datagram_fixed().
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
read_datagram_fixed(DatagramIterator &source) {
|
|
#if FLOATTOKEN == 'i'
|
|
_v(0) = source.get_int32();
|
|
_v(1) = source.get_int32();
|
|
#elif FLOATTOKEN == 'f'
|
|
_v(0) = source.get_float32();
|
|
_v(1) = source.get_float32();
|
|
#else
|
|
_v(0) = source.get_float64();
|
|
_v(1) = source.get_float64();
|
|
#endif
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::write_datagram
|
|
// Access: Published
|
|
// Description: Writes the vector to the Datagram using
|
|
// add_stdfloat(). This is appropriate when you want to
|
|
// write the vector using the standard width setting,
|
|
// especially when you are writing a bam file.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
write_datagram(Datagram &destination) const {
|
|
#if FLOATTOKEN == 'i'
|
|
destination.add_int32(_v(0));
|
|
destination.add_int32(_v(1));
|
|
#else
|
|
destination.add_stdfloat(_v(0));
|
|
destination.add_stdfloat(_v(1));
|
|
#endif
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: LVecBase2::read_datagram
|
|
// Access: Published
|
|
// Description: Reads the vector from the Datagram using get_stdfloat().
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE_LINMATH void FLOATNAME(LVecBase2)::
|
|
read_datagram(DatagramIterator &source) {
|
|
#if FLOATTOKEN == 'i'
|
|
_v(0) = source.get_int32();
|
|
_v(1) = source.get_int32();
|
|
#else
|
|
_v(0) = source.get_stdfloat();
|
|
_v(1) = source.get_stdfloat();
|
|
#endif
|
|
}
|