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#ifndef _BABL_MATRIX_H_
#define _BABL_MATRIX_H_
#include <stdio.h>
#define m(matr, j, i) matr[j*3+i]
static inline void babl_matrix_mul_matrix (const double *matA_,
const double *matB_,
double *out)
{
unsigned int i, j;
double matA[9];
double matB[9];
double t1, t2, t3;
memcpy (matA, matA_, sizeof (matA));
memcpy (matB, matB_, sizeof (matB));
for (i = 0; i < 3; i++)
{
t1 = m(matA, i, 0);
t2 = m(matA, i, 1);
t3 = m(matA, i, 2);
for (j = 0; j < 3; j ++)
{
m(out,i,j) = t1 * m(matB, 0, j);
m(out,i,j) += t2 * m(matB, 1, j);
m(out,i,j) += t3 * m(matB, 2, j);
}
}
}
static inline void babl_matrix_mul_matrixf (const float *matA_,
const float *matB_,
float *out)
{
unsigned int i, j;
float matA[9];
float matB[9];
float t1, t2, t3;
memcpy (matA, matA_, sizeof (matA));
memcpy (matB, matB_, sizeof (matB));
for (i = 0; i < 3; i++)
{
t1 = m(matA, i, 0);
t2 = m(matA, i, 1);
t3 = m(matA, i, 2);
for (j = 0; j < 3; j ++)
{
m(out,i,j) = t1 * m(matB, 0, j);
m(out,i,j) += t2 * m(matB, 1, j);
m(out,i,j) += t3 * m(matB, 2, j);
}
}
}
static inline void babl_matrix_to_float (const double *in, float *out)
{
unsigned int i;
for (i = 0; i < 9; i ++)
out[i] = in[i];
}
static inline void babl_matrix_invert (const double *in, double *out)
{
double mat[9];
double det, invdet;
memcpy (mat, in, sizeof (mat));
det = m(mat, 0, 0) * (m(mat, 1, 1) *m(mat, 2, 2) - m(mat, 2, 1)*m(mat, 1, 2)) -
m(mat, 0, 1) * (m(mat, 1, 0) *m(mat, 2, 2) - m(mat, 1, 2)*m(mat, 2, 0)) +
m(mat, 0, 2) * (m(mat, 1, 0) *m(mat, 2, 1) - m(mat, 1, 1)*m(mat, 2, 0));
invdet = 1.0 / det;
m(out, 0, 0) = (m(mat, 1, 1) * m(mat, 2, 2) - m(mat, 2, 1) * m(mat, 1, 2)) * invdet;
m(out, 0, 1) = (m(mat, 0, 2) * m(mat, 2, 1) - m(mat, 0, 1) * m(mat, 2, 2)) * invdet;
m(out, 0, 2) = (m(mat, 0, 1) * m(mat, 1, 2) - m(mat, 0, 2) * m(mat, 1, 1)) * invdet;
m(out, 1, 0) = (m(mat, 1, 2) * m(mat, 2, 0) - m(mat, 1, 0) * m(mat, 2, 2)) * invdet;
m(out, 1, 1) = (m(mat, 0, 0) * m(mat, 2, 2) - m(mat, 0, 2) * m(mat, 2, 0)) * invdet;
m(out, 1, 2) = (m(mat, 1, 0) * m(mat, 0, 2) - m(mat, 0, 0) * m(mat, 1, 2)) * invdet;
m(out, 2, 0) = (m(mat, 1, 0) * m(mat, 2, 1) - m(mat, 2, 0) * m(mat, 1, 1)) * invdet;
m(out, 2, 1) = (m(mat, 2, 0) * m(mat, 0, 1) - m(mat, 0, 0) * m(mat, 2, 1)) * invdet;
m(out, 2, 2) = (m(mat, 0, 0) * m(mat, 1, 1) - m(mat, 1, 0) * m(mat, 0, 1)) * invdet;
}
static inline void babl_matrix_mul_vector (const double *mat, const double *v_in, double *v_out)
{
double a = v_in[0], b = v_in[1], c = v_in[2];
double m_0_0 = m(mat, 0, 0);
double m_0_1 = m(mat, 0, 1);
double m_0_2 = m(mat, 0, 2);
double m_1_0 = m(mat, 1, 0);
double m_1_1 = m(mat, 1, 1);
double m_1_2 = m(mat, 1, 2);
double m_2_0 = m(mat, 2, 0);
double m_2_1 = m(mat, 2, 1);
double m_2_2 = m(mat, 2, 2);
v_out[0] = m_0_0 * a + m_0_1 * b + m_0_2 * c;
v_out[1] = m_1_0 * a + m_1_1 * b + m_1_2 * c;
v_out[2] = m_2_0 * a + m_2_1 * b + m_2_2 * c;
}
static inline void babl_matrix_mul_vectorf (const double *mat, const float *v_in, float *v_out)
{
float a = v_in[0], b = v_in[1], c = v_in[2];
float m_0_0 = m(mat, 0, 0);
float m_0_1 = m(mat, 0, 1);
float m_0_2 = m(mat, 0, 2);
float m_1_0 = m(mat, 1, 0);
float m_1_1 = m(mat, 1, 1);
float m_1_2 = m(mat, 1, 2);
float m_2_0 = m(mat, 2, 0);
float m_2_1 = m(mat, 2, 1);
float m_2_2 = m(mat, 2, 2);
v_out[0] = m_0_0 * a + m_0_1 * b + m_0_2 * c;
v_out[1] = m_1_0 * a + m_1_1 * b + m_1_2 * c;
v_out[2] = m_2_0 * a + m_2_1 * b + m_2_2 * c;
}
static inline void babl_matrix_mul_vectorff (const float *mat, const float *v_in, float *v_out)
{
const float a = v_in[0], b = v_in[1], c = v_in[2];
const float m_0_0 = m(mat, 0, 0);
const float m_0_1 = m(mat, 0, 1);
const float m_0_2 = m(mat, 0, 2);
const float m_1_0 = m(mat, 1, 0);
const float m_1_1 = m(mat, 1, 1);
const float m_1_2 = m(mat, 1, 2);
const float m_2_0 = m(mat, 2, 0);
const float m_2_1 = m(mat, 2, 1);
const float m_2_2 = m(mat, 2, 2);
v_out[0] = m_0_0 * a + m_0_1 * b + m_0_2 * c;
v_out[1] = m_1_0 * a + m_1_1 * b + m_1_2 * c;
v_out[2] = m_2_0 * a + m_2_1 * b + m_2_2 * c;
}
static inline void babl_matrix_mul_vectorff_buf3 (const float *mat, const float *v_in, float *v_out,
unsigned int samples)
{
unsigned int i;
const float m_0_0 = m(mat, 0, 0);
const float m_0_1 = m(mat, 0, 1);
const float m_0_2 = m(mat, 0, 2);
const float m_1_0 = m(mat, 1, 0);
const float m_1_1 = m(mat, 1, 1);
const float m_1_2 = m(mat, 1, 2);
const float m_2_0 = m(mat, 2, 0);
const float m_2_1 = m(mat, 2, 1);
const float m_2_2 = m(mat, 2, 2);
for (i = 0; i < samples; i ++)
{
const float a = v_in[0], b = v_in[1], c = v_in[2];
v_out[0] = m_0_0 * a + m_0_1 * b + m_0_2 * c;
v_out[1] = m_1_0 * a + m_1_1 * b + m_1_2 * c;
v_out[2] = m_2_0 * a + m_2_1 * b + m_2_2 * c;
v_in += 3;
v_out += 3;
}
}
static inline void babl_matrix_mul_vectorff_buf4 (const float *mat, const float *v_in, float *v_out,
unsigned int samples)
{
const float m_0_0 = m(mat, 0, 0);
const float m_0_1 = m(mat, 0, 1);
const float m_0_2 = m(mat, 0, 2);
const float m_1_0 = m(mat, 1, 0);
const float m_1_1 = m(mat, 1, 1);
const float m_1_2 = m(mat, 1, 2);
const float m_2_0 = m(mat, 2, 0);
const float m_2_1 = m(mat, 2, 1);
const float m_2_2 = m(mat, 2, 2);
unsigned int i;
for (i = 0; i < samples; i ++)
{
float a = v_in[0], b = v_in[1], c = v_in[2];
v_out[0] = m_0_0 * a + m_0_1 * b + m_0_2 * c;
v_out[1] = m_1_0 * a + m_1_1 * b + m_1_2 * c;
v_out[2] = m_2_0 * a + m_2_1 * b + m_2_2 * c;
v_out[3] = v_in[3];
v_in += 4;
v_out += 4;
}
}
static inline void babl_matrix_mul_vector_buf4 (const double *mat, const double *v_in, double *v_out,
unsigned int samples)
{
unsigned int i;
const double m_0_0 = m(mat, 0, 0);
const double m_0_1 = m(mat, 0, 1);
const double m_0_2 = m(mat, 0, 2);
const double m_1_0 = m(mat, 1, 0);
const double m_1_1 = m(mat, 1, 1);
const double m_1_2 = m(mat, 1, 2);
const double m_2_0 = m(mat, 2, 0);
const double m_2_1 = m(mat, 2, 1);
const double m_2_2 = m(mat, 2, 2);
for (i = 0; i < samples; i ++)
{
const double a = v_in[0], b = v_in[1], c = v_in[2];
v_out[0] = m_0_0 * a + m_0_1 * b + m_0_2 * c;
v_out[1] = m_1_0 * a + m_1_1 * b + m_1_2 * c;
v_out[2] = m_2_0 * a + m_2_1 * b + m_2_2 * c;
v_out[3] = v_in[3];
v_in += 4;
v_out += 4;
}
}
#undef m
#endif
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