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Patch a case where nodes with very close to zero values created an infinite alloc loop. #8388

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merged 2 commits into from
Mar 4, 2024
Merged

Patch a case where nodes with very close to zero values created an infinite alloc loop. #8388

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6e3ad77
Patch a case where nodes with very close to zero values created an in…
joa-quim Mar 2, 2024
e2057a2
Merge branch 'master' into grdcontour-close-zeros
joa-quim Mar 3, 2024
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3 changes: 1 addition & 2 deletions src/gmt_support.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2646,11 +2646,10 @@ GMT_LOCAL uint64_t gmtsupport_trace_contour (struct GMT_CTRL *GMT, struct GMT_GR
n_nan++;
continue;
}

/* Skip if no zero-crossing on this edge */

if (z[this_side+1] * z[this_side] > 0.0f) continue;
if ((dz = z[this_side] - z[this_side+1]) == 0.0f) continue;
if (fabs((dz = z[this_side] - z[this_side+1])) < 1e-10) continue;

/* Save normalized distance along edge from corner this_side to crossing of edge this_side */

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