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static: Fix float overflow issue

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Co-authored-by: Lofty <dan.ravensloft@gmail.com>
Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2024-05-03 09:39:24 +02:00
parent 7a00e76cb1
commit 89e3b7d23d
1 changed files with 3 additions and 3 deletions
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6
common/place/placer_static.cc
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@ -792,15 +792,15 @@ class StaticPlacer
auto &pd = nd.ports.at(port.second.type == PORT_OUT ? (nd.ports.size() - 1) : port.second.user_idx.idx());
// From Replace
// TODO: check these derivatives on paper
float d_min = 0, d_max = 0;
double d_min = 0, d_max = 0;
if (pd.has_min_exp(axis)) {
float min_sum = nd.min_exp.at(axis), x_min_sum = nd.x_min_exp.at(axis);
double min_sum = nd.min_exp.at(axis), x_min_sum = nd.x_min_exp.at(axis);
d_min = (min_sum * (pd.min_exp.at(axis) * (1.0f - wl_coeff.at(axis) * loc.at(axis))) +
wl_coeff.at(axis) * pd.min_exp.at(axis) * x_min_sum) /
(min_sum * min_sum);
}
if (pd.has_max_exp(axis)) {
float max_sum = nd.max_exp.at(axis), x_max_sum = nd.x_max_exp.at(axis);
double max_sum = nd.max_exp.at(axis), x_max_sum = nd.x_max_exp.at(axis);
d_max = (max_sum * (pd.max_exp.at(axis) * (1.0f + wl_coeff.at(axis) * loc.at(axis))) -
wl_coeff.at(axis) * pd.max_exp.at(axis) * x_max_sum) /
(max_sum * max_sum);