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Core: cast before multiplication to avoid potential overflow

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Found via LGTM.com

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Dirk Hohndel 2019-03-17 11:38:25 -07:00
parent 47f92b92ac
commit 2d26300402
1 changed files with 1 additions and 1 deletions
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core/deco.c
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@ -292,7 +292,7 @@ double tissue_tolerance_calc(struct deco_state *ds, const struct dive *dive, dou
if (plot_depth) {
++sum1;
sumx += plot_depth;
sumxx += plot_depth * plot_depth;
sumxx += (long)plot_depth * plot_depth;
double n2_gradient, he_gradient, total_gradient;
n2_gradient = update_gradient(ds, depth_to_bar(plot_depth, &displayed_dive), ds->bottom_n2_gradient[ds->ci_pointing_to_guiding_tissue]);
he_gradient = update_gradient(ds, depth_to_bar(plot_depth, &displayed_dive), ds->bottom_he_gradient[ds->ci_pointing_to_guiding_tissue]);