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prevent reading beyond array boundaries

This commit is contained in:
Holger Vogt 2018-08-29 21:44:27 +02:00
parent a8a6e0b2ff
commit 8b02c31326
1 changed files with 8 additions and 0 deletions
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8
src/xspice/icm/table/table3D/cfunc.mod
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@ -750,7 +750,15 @@ cm_table3D(ARGS) /* structure holding parms, inputs, outputs, etc. */
DER /* what to compute [FUNC, DER, BOTH] */
);
/* xind yind zind may become too large */
if (xind == loc->ix - 1)
xind--;
if (yind == loc->iy - 1)
yind--;
if (zind == loc->iz - 1)
zind--;
/* overwrite outval from sf_eno3_apply by trilinear interpolation */
outval = TrilinearInterpolation(xoff / (loc->xcol[xind + 1] - loc->xcol[xind]),
yoff / (loc->ycol[yind + 1] - loc->ycol[yind]),
zoff / (loc->zcol[zind + 1] - loc->zcol[zind]),