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Bozo the Builder
2026-04-14 03:23:10 -07:00
parent d38986464e
commit 03dfa46fc2
6 changed files with 32 additions and 16 deletions
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10
opennurbs_intersect.cpp
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@@ -286,12 +286,18 @@ bool ON_Intersect( const ON_Line& lineA, const ON_Line& lineB,
// Line A = (5.4301839655138417, -9.5, 0, -0.6, -9.5, 0)
// Line B = (5.2373595635311068, 10.5, 0, 5.6603292194932395, 10.5, 0)
// would be found as intersecting, with pivot ~= 2 * M_zero_tolerance
//
// 10-SEP-2025 MDvR: RH-89164
// I have increased the zero tolerance for the matrix by 10-fold, as the lines
// Line A(-502.12241078825264, 463.17458426757145, -2.6515717396328807e-12, - 569.15428634054422, 1336.2761199492861, 0)
// Line B(-474.85259053896368, 439.79346146347723, -2.7284841053187847e-12, -543.82881481395043, 1338.2204686719679, 0)
// were found as intersecting, with pivot ~= 2 * M_zero_tolerance.
if (fabs(M[1][1]) > 1.) {
pr_tolerance = fabs(M[1][1]) * ON_SQRT_EPSILON;
M_zero_tol = fabs(M[1][1]) * ON_EPSILON;
M_zero_tol = 10*fabs(M[1][1]) * ON_EPSILON;
} else {
pr_tolerance = ON_SQRT_EPSILON;
M_zero_tol = ON_EPSILON;
M_zero_tol = 10*ON_EPSILON;
}
Y[0] = ON_DotProduct( A, C );