cal: Minor fixes in power container, add unit test

- min_power and max_power arguments were swapped. They were always
  called correctly, so this is more of a documentation fix.
- Add a unit test for the case where power values are not regular, which
  is the normal case with real data.

1 files changed, 2 insertions, 2 deletions

diff --git a/host/include/uhd/cal/pwr_cal.hpp b/host/include/uhd/cal/pwr_cal.hpp
index b30c6dfc2..58606abb8 100644
--- a/host/include/uhd/cal/pwr_cal.hpp
+++ b/host/include/uhd/cal/pwr_cal.hpp
@@ -53,8 +53,8 @@ public:
      *
      * \param gain_power_map A mapping gain -> power (dB -> dBm) for all
      *                       measured gain points for this frequency.
-     * \param max_power The maximum available power for this frequency.
      * \param min_power The minimum available power for this frequency.
+     * \param max_power The maximum available power for this frequency.
      * \param freq The frequency at which this power level was measured
      * \param temperature The temperature at which this power level was measured,
      *                    in Celsius. This parameter is optional, the return
@@ -62,8 +62,8 @@ public:
      *                    is provided here.
      */
     virtual void add_power_table(const std::map<double, double>& gain_power_map,
-        const double max_power,
         const double min_power,
+        const double max_power,
         const double freq,
         const boost::optional<int> temperature = boost::none) = 0;