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Amend tolerances and exit conditions

fixes-turtlebasket
Mattia 2020-05-05 16:34:22 +01:00
parent c29c2dee5d
commit d11a86a06d
1 changed files with 10 additions and 9 deletions
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17
src/openGJK.c
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@ -37,8 +37,8 @@
#define mexPrintf printf #define mexPrintf printf
#endif #endif
#define eps_rel22 1e-5 #define eps_rel22 1e-10
#define eps_tot22 1e-14 #define eps_tot22 1e-12
/* Select distance sub-algorithm */ /* Select distance sub-algorithm */
@ -295,7 +295,7 @@ inline static void S2D(struct simplex * s, double *v)
} }
else if (hff1f_s13) { else if (hff1f_s13) {
if (hff2f_32) { if (hff2f_32) {
projectOnPlane(s1p, s2p, s3p, v); // Update s, no need to update c projectOnPlane(s1p, s2p, s3p, v); // Update s, no need to update v
return; // Return V{1,2,3} return; // Return V{1,2,3}
} }
else else
@ -675,7 +675,7 @@ double gjk(struct bd bd1, struct bd bd2, struct simplex *s) {
int k = 0; /**< Iteration counter */ int k = 0; /**< Iteration counter */
int i; /**< General purpose counter */ int i; /**< General purpose counter */
int mk = 5000; /**< Maximum number of iterations of the GJK algorithm */ int mk = 25; /**< Maximum number of iterations of the GJK algorithm */
int absTestin; int absTestin;
double norm2Wmax = 0; double norm2Wmax = 0;
double tesnorm; double tesnorm;
@ -685,7 +685,7 @@ double gjk(struct bd bd1, struct bd bd2, struct simplex *s) {
double eps_rel = eps_rel22; /**< Tolerance on relative */ double eps_rel = eps_rel22; /**< Tolerance on relative */
double eps_rel2 = eps_rel * eps_rel; double eps_rel2 = eps_rel * eps_rel;
double eps_tot = eps_tot22; double eps_tot = eps_tot22;
int exeedtol_rel = 0; /**< Flag for 1st exit condition */ double exeedtol_rel; /**< Test for 1st exit condition */
int nullV = 0; int nullV = 0;
#ifdef DEBUG #ifdef DEBUG
@ -738,8 +738,8 @@ double gjk(struct bd bd1, struct bd bd2, struct simplex *s) {
w[t] = bd1.s[t] - bd2.s[t]; w[t] = bd1.s[t] - bd2.s[t];
/* Test first exit condition (new point already in simplex/can't move further) */ /* Test first exit condition (new point already in simplex/can't move further) */
exeedtol_rel = (norm2(v) - dotProduct(v, w)) <= eps_rel2 * norm2(v); exeedtol_rel = (norm2(v) - dotProduct(v, w));
if (exeedtol_rel) { if ( exeedtol_rel <= (eps_rel * norm2(v)) || exeedtol_rel < eps_tot22) {
break; break;
} }
@ -766,8 +766,9 @@ double gjk(struct bd bd1, struct bd bd2, struct simplex *s) {
} }
absTestin = (norm2(v) <= (eps_tot * eps_tot * norm2Wmax)); absTestin = (norm2(v) <= (eps_tot * eps_tot * norm2Wmax));
if (absTestin) if (absTestin) {
break; break;
}
} while ((s->nvrtx != 4) && (k != mk)); } while ((s->nvrtx != 4) && (k != mk));