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fix(path): show non-zero gas/O₂/H₂O rates on loss budget detail

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format_number rounds to 1 decimal, so the tiny per-km coefficients
(o2_db_km: 0.007 at 10 GHz, gas rate ~0.007 dB/km) all displayed as
'0.0'. Added format_small with 4-decimal precision for those fields.
This commit is contained in:
Graham McIntire 2026-05-15 09:06:23 -05:00
parent fc82d3f5de
commit 43239dbb15
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GPG key ID: F4ABF488E6029E59
1 changed files with 7 additions and 7 deletions
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14
lib/microwaveprop_web/live/path_live.ex
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@ -464,6 +464,9 @@ defmodule MicrowavepropWeb.PathLive do
defp format_number(n) when is_float(n), do: :erlang.float_to_binary(n, decimals: 1) defp format_number(n) when is_float(n), do: :erlang.float_to_binary(n, decimals: 1)
defp format_number(n), do: to_string(n) defp format_number(n), do: to_string(n)
defp format_small(n) when is_float(n), do: :erlang.float_to_binary(n, decimals: 4)
defp format_small(n), do: to_string(n)
defp format_km_mi(km), do: Microwaveprop.Format.distance_km(km) defp format_km_mi(km), do: Microwaveprop.Format.distance_km(km)
defp format_utc_hour(%DateTime{} = dt), do: Calendar.strftime(dt, "%H:%M") defp format_utc_hour(%DateTime{} = dt), do: Calendar.strftime(dt, "%H:%M")
@ -727,16 +730,13 @@ defmodule MicrowavepropWeb.PathLive do
</div> </div>
<div class="mt-3 text-xs opacity-50 space-y-0.5"> <div class="mt-3 text-xs opacity-50 space-y-0.5">
<div> <div>
Gas rate: {format_number( Gas rate: {format_small(
Float.round( (@result.loss_budget.o2 + @result.loss_budget.h2o) / max(@result.dist_km, 0.001)
(@result.loss_budget.o2 + @result.loss_budget.h2o) / max(@result.dist_km, 0.001),
4
)
)} dB/km )} dB/km
</div> </div>
<div> <div>
H&#8322;O: {format_number(@result.band_config.h2o_coeff)} dB/km/g &middot; H&#8322;O: {format_small(@result.band_config.h2o_coeff)} dB/km/g &middot;
O&#8322;: {format_number(@result.band_config.o2_db_km)} dB/km O&#8322;: {format_small(@result.band_config.o2_db_km)} dB/km
</div> </div>
<%= if @result.conditions do %> <%= if @result.conditions do %>
<div>Abs humidity avg: {format_number(@result.conditions.abs_humidity)} g/m&sup3;</div> <div>Abs humidity avg: {format_number(@result.conditions.abs_humidity)} g/m&sup3;</div>