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-rw-r--r--thirdparty/bullet/BulletInverseDynamics/details/IDMatVec.hpp324
1 files changed, 199 insertions, 125 deletions
diff --git a/thirdparty/bullet/BulletInverseDynamics/details/IDMatVec.hpp b/thirdparty/bullet/BulletInverseDynamics/details/IDMatVec.hpp
index c89db5e123..1c786095e7 100644
--- a/thirdparty/bullet/BulletInverseDynamics/details/IDMatVec.hpp
+++ b/thirdparty/bullet/BulletInverseDynamics/details/IDMatVec.hpp
@@ -7,7 +7,8 @@
#include "../IDConfig.hpp"
#define BT_ID_HAVE_MAT3X
-namespace btInverseDynamics {
+namespace btInverseDynamics
+{
class vec3;
class vecx;
class mat33;
@@ -17,7 +18,8 @@ class mat3x;
/// This is a very basic implementation to enable stand-alone use of the library.
/// The implementation is not really optimized and misses many features that you would
/// want from a "fully featured" linear math library.
-class vec3 {
+class vec3
+{
public:
idScalar& operator()(int i) { return m_data[i]; }
const idScalar& operator()(int i) const { return m_data[i]; }
@@ -40,7 +42,8 @@ private:
idScalar m_data[3];
};
-class mat33 {
+class mat33
+{
public:
idScalar& operator()(int i, int j) { return m_data[3 * i + j]; }
const idScalar& operator()(int i, int j) const { return m_data[3 * i + j]; }
@@ -62,9 +65,11 @@ private:
idScalar m_data[9];
};
-class vecx {
+class vecx
+{
public:
- vecx(int size) : m_size(size) {
+ vecx(int size) : m_size(size)
+ {
m_data = static_cast<idScalar*>(idMalloc(sizeof(idScalar) * size));
}
~vecx() { idFree(m_data); }
@@ -85,14 +90,17 @@ private:
idScalar* m_data;
};
-class matxx {
+class matxx
+{
public:
- matxx() {
- m_data = 0x0;
- m_cols=0;
- m_rows=0;
- }
- matxx(int rows, int cols) : m_rows(rows), m_cols(cols) {
+ matxx()
+ {
+ m_data = 0x0;
+ m_cols = 0;
+ m_rows = 0;
+ }
+ matxx(int rows, int cols) : m_rows(rows), m_cols(cols)
+ {
m_data = static_cast<idScalar*>(idMalloc(sizeof(idScalar) * rows * cols));
}
~matxx() { idFree(m_data); }
@@ -107,69 +115,86 @@ private:
idScalar* m_data;
};
-class mat3x {
+class mat3x
+{
public:
- mat3x() {
- m_data = 0x0;
- m_cols=0;
- }
- mat3x(const mat3x&rhs) {
- m_cols=rhs.m_cols;
- allocate();
- *this = rhs;
- }
- mat3x(int rows, int cols): m_cols(cols) {
- allocate();
- };
- void operator=(const mat3x& rhs) {
- if (m_cols != rhs.m_cols) {
- bt_id_error_message("size missmatch, cols= %d but rhs.cols= %d\n", cols(), rhs.cols());
- abort();
- }
- for(int i=0;i<3*m_cols;i++) {
- m_data[i] = rhs.m_data[i];
- }
- }
-
- ~mat3x() {
- free();
- }
- idScalar& operator()(int row, int col) { return m_data[row * m_cols + col]; }
- const idScalar& operator()(int row, int col) const { return m_data[row * m_cols + col]; }
- int rows() const { return m_rows; }
- const int& cols() const { return m_cols; }
- void resize(int rows, int cols) {
- m_cols=cols;
- free();
- allocate();
- }
- void setZero() {
- memset(m_data,0x0,sizeof(idScalar)*m_rows*m_cols);
- }
- // avoid operators that would allocate -- use functions sub/add/mul in IDMath.hpp instead
+ mat3x()
+ {
+ m_data = 0x0;
+ m_cols = 0;
+ }
+ mat3x(const mat3x& rhs)
+ {
+ m_cols = rhs.m_cols;
+ allocate();
+ *this = rhs;
+ }
+ mat3x(int rows, int cols) : m_cols(cols)
+ {
+ allocate();
+ };
+ void operator=(const mat3x& rhs)
+ {
+ if (m_cols != rhs.m_cols)
+ {
+ bt_id_error_message("size missmatch, cols= %d but rhs.cols= %d\n", cols(), rhs.cols());
+ abort();
+ }
+ for (int i = 0; i < 3 * m_cols; i++)
+ {
+ m_data[i] = rhs.m_data[i];
+ }
+ }
+
+ ~mat3x()
+ {
+ free();
+ }
+ idScalar& operator()(int row, int col) { return m_data[row * m_cols + col]; }
+ const idScalar& operator()(int row, int col) const { return m_data[row * m_cols + col]; }
+ int rows() const { return m_rows; }
+ const int& cols() const { return m_cols; }
+ void resize(int rows, int cols)
+ {
+ m_cols = cols;
+ free();
+ allocate();
+ }
+ void setZero()
+ {
+ memset(m_data, 0x0, sizeof(idScalar) * m_rows * m_cols);
+ }
+ // avoid operators that would allocate -- use functions sub/add/mul in IDMath.hpp instead
private:
- void allocate(){m_data = static_cast<idScalar*>(idMalloc(sizeof(idScalar) * m_rows * m_cols));}
- void free() { idFree(m_data);}
- enum {m_rows=3};
- int m_cols;
- idScalar* m_data;
+ void allocate() { m_data = static_cast<idScalar*>(idMalloc(sizeof(idScalar) * m_rows * m_cols)); }
+ void free() { idFree(m_data); }
+ enum
+ {
+ m_rows = 3
+ };
+ int m_cols;
+ idScalar* m_data;
};
-inline void resize(mat3x &m, idArrayIdx size) {
- m.resize(3, size);
- m.setZero();
+inline void resize(mat3x& m, idArrayIdx size)
+{
+ m.resize(3, size);
+ m.setZero();
}
//////////////////////////////////////////////////
// Implementations
-inline const vec3& vec3::operator=(const vec3& rhs) {
- if (&rhs != this) {
+inline const vec3& vec3::operator=(const vec3& rhs)
+{
+ if (&rhs != this)
+ {
memcpy(m_data, rhs.m_data, 3 * sizeof(idScalar));
}
return *this;
}
-inline vec3 vec3::cross(const vec3& b) const {
+inline vec3 vec3::cross(const vec3& b) const
+{
vec3 result;
result.m_data[0] = m_data[1] * b.m_data[2] - m_data[2] * b.m_data[1];
result.m_data[1] = m_data[2] * b.m_data[0] - m_data[0] * b.m_data[2];
@@ -178,17 +203,21 @@ inline vec3 vec3::cross(const vec3& b) const {
return result;
}
-inline idScalar vec3::dot(const vec3& b) const {
+inline idScalar vec3::dot(const vec3& b) const
+{
return m_data[0] * b.m_data[0] + m_data[1] * b.m_data[1] + m_data[2] * b.m_data[2];
}
-inline const mat33& mat33::operator=(const mat33& rhs) {
- if (&rhs != this) {
+inline const mat33& mat33::operator=(const mat33& rhs)
+{
+ if (&rhs != this)
+ {
memcpy(m_data, rhs.m_data, 9 * sizeof(idScalar));
}
return *this;
}
-inline mat33 mat33::transpose() const {
+inline mat33 mat33::transpose() const
+{
mat33 result;
result.m_data[0] = m_data[0];
result.m_data[1] = m_data[3];
@@ -203,7 +232,8 @@ inline mat33 mat33::transpose() const {
return result;
}
-inline mat33 operator*(const mat33& a, const mat33& b) {
+inline mat33 operator*(const mat33& a, const mat33& b)
+{
mat33 result;
result.m_data[0] =
a.m_data[0] * b.m_data[0] + a.m_data[1] * b.m_data[3] + a.m_data[2] * b.m_data[6];
@@ -227,22 +257,27 @@ inline mat33 operator*(const mat33& a, const mat33& b) {
return result;
}
-inline const mat33& mat33::operator+=(const mat33& b) {
- for (int i = 0; i < 9; i++) {
+inline const mat33& mat33::operator+=(const mat33& b)
+{
+ for (int i = 0; i < 9; i++)
+ {
m_data[i] += b.m_data[i];
}
return *this;
}
-inline const mat33& mat33::operator-=(const mat33& b) {
- for (int i = 0; i < 9; i++) {
+inline const mat33& mat33::operator-=(const mat33& b)
+{
+ for (int i = 0; i < 9; i++)
+ {
m_data[i] -= b.m_data[i];
}
return *this;
}
-inline vec3 operator*(const mat33& a, const vec3& b) {
+inline vec3 operator*(const mat33& a, const vec3& b)
+{
vec3 result;
result.m_data[0] =
@@ -255,23 +290,29 @@ inline vec3 operator*(const mat33& a, const vec3& b) {
return result;
}
-inline const vec3& vec3::operator+=(const vec3& b) {
- for (int i = 0; i < 3; i++) {
+inline const vec3& vec3::operator+=(const vec3& b)
+{
+ for (int i = 0; i < 3; i++)
+ {
m_data[i] += b.m_data[i];
}
return *this;
}
-inline const vec3& vec3::operator-=(const vec3& b) {
- for (int i = 0; i < 3; i++) {
+inline const vec3& vec3::operator-=(const vec3& b)
+{
+ for (int i = 0; i < 3; i++)
+ {
m_data[i] -= b.m_data[i];
}
return *this;
}
-inline mat33 operator*(const mat33& a, const idScalar& s) {
+inline mat33 operator*(const mat33& a, const idScalar& s)
+{
mat33 result;
- for (int i = 0; i < 9; i++) {
+ for (int i = 0; i < 9; i++)
+ {
result.m_data[i] = a.m_data[i] * s;
}
return result;
@@ -279,137 +320,170 @@ inline mat33 operator*(const mat33& a, const idScalar& s) {
inline mat33 operator*(const idScalar& s, const mat33& a) { return a * s; }
-inline vec3 operator*(const vec3& a, const idScalar& s) {
+inline vec3 operator*(const vec3& a, const idScalar& s)
+{
vec3 result;
- for (int i = 0; i < 3; i++) {
+ for (int i = 0; i < 3; i++)
+ {
result.m_data[i] = a.m_data[i] * s;
}
return result;
}
inline vec3 operator*(const idScalar& s, const vec3& a) { return a * s; }
-inline mat33 operator+(const mat33& a, const mat33& b) {
+inline mat33 operator+(const mat33& a, const mat33& b)
+{
mat33 result;
- for (int i = 0; i < 9; i++) {
+ for (int i = 0; i < 9; i++)
+ {
result.m_data[i] = a.m_data[i] + b.m_data[i];
}
return result;
}
-inline vec3 operator+(const vec3& a, const vec3& b) {
+inline vec3 operator+(const vec3& a, const vec3& b)
+{
vec3 result;
- for (int i = 0; i < 3; i++) {
+ for (int i = 0; i < 3; i++)
+ {
result.m_data[i] = a.m_data[i] + b.m_data[i];
}
return result;
}
-inline mat33 operator-(const mat33& a, const mat33& b) {
+inline mat33 operator-(const mat33& a, const mat33& b)
+{
mat33 result;
- for (int i = 0; i < 9; i++) {
+ for (int i = 0; i < 9; i++)
+ {
result.m_data[i] = a.m_data[i] - b.m_data[i];
}
return result;
}
-inline vec3 operator-(const vec3& a, const vec3& b) {
+inline vec3 operator-(const vec3& a, const vec3& b)
+{
vec3 result;
- for (int i = 0; i < 3; i++) {
+ for (int i = 0; i < 3; i++)
+ {
result.m_data[i] = a.m_data[i] - b.m_data[i];
}
return result;
}
-inline mat33 operator/(const mat33& a, const idScalar& s) {
+inline mat33 operator/(const mat33& a, const idScalar& s)
+{
mat33 result;
- for (int i = 0; i < 9; i++) {
+ for (int i = 0; i < 9; i++)
+ {
result.m_data[i] = a.m_data[i] / s;
}
return result;
}
-inline vec3 operator/(const vec3& a, const idScalar& s) {
+inline vec3 operator/(const vec3& a, const idScalar& s)
+{
vec3 result;
- for (int i = 0; i < 3; i++) {
+ for (int i = 0; i < 3; i++)
+ {
result.m_data[i] = a.m_data[i] / s;
}
return result;
}
-inline const vecx& vecx::operator=(const vecx& rhs) {
- if (size() != rhs.size()) {
+inline const vecx& vecx::operator=(const vecx& rhs)
+{
+ if (size() != rhs.size())
+ {
bt_id_error_message("size missmatch, size()= %d but rhs.size()= %d\n", size(), rhs.size());
abort();
}
- if (&rhs != this) {
+ if (&rhs != this)
+ {
memcpy(m_data, rhs.m_data, rhs.size() * sizeof(idScalar));
}
return *this;
}
-inline vecx operator*(const vecx& a, const idScalar& s) {
+inline vecx operator*(const vecx& a, const idScalar& s)
+{
vecx result(a.size());
- for (int i = 0; i < result.size(); i++) {
+ for (int i = 0; i < result.size(); i++)
+ {
result.m_data[i] = a.m_data[i] * s;
}
return result;
}
inline vecx operator*(const idScalar& s, const vecx& a) { return a * s; }
-inline vecx operator+(const vecx& a, const vecx& b) {
+inline vecx operator+(const vecx& a, const vecx& b)
+{
vecx result(a.size());
// TODO: error handling for a.size() != b.size()??
- if (a.size() != b.size()) {
+ if (a.size() != b.size())
+ {
bt_id_error_message("size missmatch. a.size()= %d, b.size()= %d\n", a.size(), b.size());
abort();
}
- for (int i = 0; i < a.size(); i++) {
+ for (int i = 0; i < a.size(); i++)
+ {
result.m_data[i] = a.m_data[i] + b.m_data[i];
}
return result;
}
-inline vecx operator-(const vecx& a, const vecx& b) {
+inline vecx operator-(const vecx& a, const vecx& b)
+{
vecx result(a.size());
// TODO: error handling for a.size() != b.size()??
- if (a.size() != b.size()) {
+ if (a.size() != b.size())
+ {
bt_id_error_message("size missmatch. a.size()= %d, b.size()= %d\n", a.size(), b.size());
abort();
}
- for (int i = 0; i < a.size(); i++) {
+ for (int i = 0; i < a.size(); i++)
+ {
result.m_data[i] = a.m_data[i] - b.m_data[i];
}
return result;
}
-inline vecx operator/(const vecx& a, const idScalar& s) {
+inline vecx operator/(const vecx& a, const idScalar& s)
+{
vecx result(a.size());
- for (int i = 0; i < result.size(); i++) {
+ for (int i = 0; i < result.size(); i++)
+ {
result.m_data[i] = a.m_data[i] / s;
}
return result;
}
-inline vec3 operator*(const mat3x& a, const vecx& b) {
- vec3 result;
- if (a.cols() != b.size()) {
- bt_id_error_message("size missmatch. a.cols()= %d, b.size()= %d\n", a.cols(), b.size());
- abort();
- }
- result(0)=0.0;
- result(1)=0.0;
- result(2)=0.0;
- for(int i=0;i<b.size();i++) {
- for(int k=0;k<3;k++) {
- result(k)+=a(k,i)*b(i);
- }
- }
- return result;
+inline vec3 operator*(const mat3x& a, const vecx& b)
+{
+ vec3 result;
+ if (a.cols() != b.size())
+ {
+ bt_id_error_message("size missmatch. a.cols()= %d, b.size()= %d\n", a.cols(), b.size());
+ abort();
+ }
+ result(0) = 0.0;
+ result(1) = 0.0;
+ result(2) = 0.0;
+ for (int i = 0; i < b.size(); i++)
+ {
+ for (int k = 0; k < 3; k++)
+ {
+ result(k) += a(k, i) * b(i);
+ }
+ }
+ return result;
}
-inline void setMatxxElem(const idArrayIdx row, const idArrayIdx col, const idScalar val, matxx*m){
- (*m)(row, col) = val;
+inline void setMatxxElem(const idArrayIdx row, const idArrayIdx col, const idScalar val, matxx* m)
+{
+ (*m)(row, col) = val;
}
-inline void setMat3xElem(const idArrayIdx row, const idArrayIdx col, const idScalar val, mat3x*m){
- (*m)(row, col) = val;
+inline void setMat3xElem(const idArrayIdx row, const idArrayIdx col, const idScalar val, mat3x* m)
+{
+ (*m)(row, col) = val;
}
-} // namespace btInverseDynamcis
+} // namespace btInverseDynamics
#endif