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better message for singular invert assertion

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This commit is contained in:
David Rose 2004-11-21 17:49:57 +00:00
parent 6ac53b826a
commit 67b9dc9367
3 changed files with 21 additions and 15 deletions
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13
panda/src/linmath/lmatrix3_src.I
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@ -605,9 +605,7 @@ multiply(const FLOATNAME(LMatrix3) &other1, const FLOATNAME(LMatrix3) &other2) {
// faster than operator * since it writes result in place, avoiding extra copying
// this will fail if you try to mat.multiply(mat,other_mat)
#ifdef _DEBUG
assert((&other1 != this) && (&other2 != this));
#endif
nassertv((&other1 != this) && (&other2 != this));
MATRIX3_PRODUCT((*this),other1,other2);
}
@ -981,9 +979,7 @@ rotate_mat(FLOATTYPE angle, FLOATNAME(LVecBase3) axis,
// Normalize the axis.
FLOATTYPE length_sq = axis_0 * axis_0 + axis_1 * axis_1 + axis_2 * axis_2;
#ifdef _DEBUG
nassertr(length_sq != 0.0f, ident_mat());
#endif
FLOATTYPE recip_length = 1.0f/csqrt(length_sq);
axis_0 *= recip_length;
@ -1207,6 +1203,11 @@ INLINE_LINMATH FLOATNAME(LMatrix3)
invert(const FLOATNAME(LMatrix3) &a) {
FLOATNAME(LMatrix3) result;
bool nonsingular = result.invert_from(a);
nassertr(nonsingular, FLOATNAME(LMatrix3)::ident_mat());
#ifndef NDEBUG
if (!nonsingular) {
nassert_raise("Attempt to compute inverse of singular matrix!");
return FLOATNAME(LMatrix3)::ident_mat();
}
#endif
return result;
}

16
panda/src/linmath/lmatrix4_src.I
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@ -785,10 +785,7 @@ multiply(const FLOATNAME(LMatrix4) &other1, const FLOATNAME(LMatrix4) &other2) {
// faster than operator * since it writes result in place, avoiding extra copying
// this will fail if you try to mat.multiply(mat,other_mat)
#ifdef _DEBUG
assert((&other1 != this) && (&other2 != this));
#endif
nassertv((&other1 != this) && (&other2 != this));
MATRIX4_PRODUCT((*this),other1,other2);
}
@ -1227,9 +1224,7 @@ rotate_mat(FLOATTYPE angle, FLOATNAME(LVecBase3) axis,
*/
FLOATTYPE length_sq = axis_0 * axis_0 + axis_1 * axis_1 + axis_2 * axis_2;
#ifdef _DEBUG
nassertr(length_sq != 0.0f, ident_mat());
#endif
nassertr(length_sq != 0.0f, ident_mat());
FLOATTYPE recip_length = 1.0f/csqrt(length_sq);
axis_0 *= recip_length;
@ -1504,7 +1499,12 @@ INLINE_LINMATH FLOATNAME(LMatrix4)
invert(const FLOATNAME(LMatrix4) &a) {
FLOATNAME(LMatrix4) result;
bool nonsingular = result.invert_from(a);
nassertr(nonsingular, FLOATNAME(LMatrix4)::ident_mat());
#ifndef NDEBUG
if (!nonsingular) {
nassert_raise("Attempt to compute inverse of singular matrix!");
return FLOATNAME(LMatrix4)::ident_mat();
}
#endif
return result;
}

7
panda/src/linmath/lquaternion_src.I
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@ -410,7 +410,12 @@ INLINE_LINMATH FLOATNAME(LQuaternion)
invert(const FLOATNAME(LQuaternion) &a) {
FLOATNAME(LQuaternion) result;
bool nonsingular = result.invert_from(a);
nassertr(nonsingular, FLOATNAME(LQuaternion)::ident_quat());
#ifndef NDEBUG
if (!nonsingular) {
nassert_raise("Attempt to compute inverse of singular quaternion!");
return FLOATNAME(LQuaternion)::ident_quat();
}
#endif
return result;
}