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* fixed warnings

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* removed www dir (dead links, almost none of the posted links are available - correct me when i'm wrong, then we can revert this remove)


git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@275 8a3a26a2-13c4-0310-b231-cf6edde360e5
This commit is contained in:
mattn
2008-06-26 11:21:13 +00:00
parent ec65cc975d
commit c0f477bd04
17 changed files with 235 additions and 1827 deletions
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1
libs/mathlib/linear.c
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@@ -52,6 +52,7 @@ int ludcmp(float **a, int n, int *indx, float *d)
float big,dum,sum,temp;
float *vv;
imax = 0;
vv=(float*)malloc(sizeof(float)*n);
*d=1.0;
for (i=0;i<n;i++) {

37
libs/mathlib/m4x4.c
View File

@@ -48,7 +48,7 @@ void m4x4_translation_for_vec3(m4x4_t matrix, const vec3_t translation)
void m4x4_rotation_for_vec3(m4x4_t matrix, const vec3_t euler, eulerOrder_t order)
{
double cx, sx, cy, sy, cz, sz;
cx = cos(DEG2RAD(euler[0]));
sx = sin(DEG2RAD(euler[0]));
cy = cos(DEG2RAD(euler[1]));
@@ -688,11 +688,11 @@ void m4x4_orthogonal_invert(m4x4_t matrix)
float m3_det( m3x3_t mat )
{
float det;
det = mat[0] * ( mat[4]*mat[8] - mat[7]*mat[5] )
- mat[1] * ( mat[3]*mat[8] - mat[6]*mat[5] )
+ mat[2] * ( mat[3]*mat[7] - mat[6]*mat[4] );
return( det );
}
@@ -700,21 +700,21 @@ float m3_det( m3x3_t mat )
void m3_inverse( m3x3_t mr, m3x3_t ma )
{
float det = m3_det( ma );
if ( fabs( det ) < 0.0005 )
{
m3_identity( ma );
return;
}
mr[0] = ma[4]*ma[8] - ma[5]*ma[7] / det;
mr[1] = -( ma[1]*ma[8] - ma[7]*ma[2] ) / det;
mr[2] = ma[1]*ma[5] - ma[4]*ma[2] / det;
mr[3] = -( ma[3]*ma[8] - ma[5]*ma[6] ) / det;
mr[4] = ma[0]*ma[8] - ma[6]*ma[2] / det;
mr[5] = -( ma[0]*ma[5] - ma[3]*ma[2] ) / det;
mr[6] = ma[3]*ma[7] - ma[6]*ma[4] / det;
mr[7] = -( ma[0]*ma[7] - ma[6]*ma[1] ) / det;
mr[8] = ma[0]*ma[4] - ma[1]*ma[3] / det;
@@ -724,7 +724,8 @@ void m3_inverse( m3x3_t mr, m3x3_t ma )
void m4_submat( m4x4_t mr, m3x3_t mb, int i, int j )
{
int ti, tj, idst, jdst;
idst = 0;
for ( ti = 0; ti < 4; ti++ )
{
if ( ti < i )
@@ -732,7 +733,7 @@ void m4_submat( m4x4_t mr, m3x3_t mb, int i, int j )
else
if ( ti > i )
idst = ti-1;
for ( tj = 0; tj < 4; tj++ )
{
if ( tj < j )
@@ -740,7 +741,7 @@ void m4_submat( m4x4_t mr, m3x3_t mb, int i, int j )
else
if ( tj > j )
jdst = tj-1;
if ( ti != i && tj != j )
mb[idst*3 + jdst] = mr[ti*4 + tj ];
}
@@ -752,15 +753,15 @@ float m4_det( m4x4_t mr )
float det, result = 0, i = 1;
m3x3_t msub3;
int n;
for ( n = 0; n < 4; n++, i *= -1 )
{
m4_submat( mr, msub3, 0, n );
det = m3_det( msub3 );
result += mr[n] * det * i;
}
return result;
}
@@ -770,21 +771,21 @@ int m4x4_invert(m4x4_t matrix)
m3x3_t mtemp;
int i, j, sign;
m4x4_t m4x4_temp;
if ( fabs( mdet ) < 0.0000000001 ) //% 0.0005
return 1;
memcpy(m4x4_temp, matrix, sizeof(m4x4_t));
for ( i = 0; i < 4; i++ )
for ( j = 0; j < 4; j++ )
{
sign = 1 - ( (i +j) % 2 ) * 2;
m4_submat( m4x4_temp, mtemp, i, j );
matrix[i+j*4] = ( m3_det( mtemp ) * sign ) / mdet;
}
return 0;
}