decrease FPC5/6 lat/long precision to 6 decimals (12 is unnecessary and distracting when rendered in output)

Author: softwareengineerprogrammer

docs/_images/fervo_project_cape-5-sensitivity-analysis-irr.svg

@@ -4,10 +4,10 @@
 
 Simulation Metadata
 ----------------------
- GEOPHIRES Version: 3.13.6
- Simulation Date: 2026-05-16
- Simulation Time:  18:26
- Calculation Time:      4.290 sec
+ GEOPHIRES Version: 3.13.7
+ Simulation Date: 2026-05-19
+ Simulation Time:  09:33
+ Calculation Time:      1.809 sec
 
                            ***SUMMARY OF RESULTS***
 
@@ -69,7 +69,7 @@ Simulation Metadata
       Segment 2   Geothermal gradient:                            41 degC/km
       Segment 2   Thickness:                         0.5 kilometer
       Segment 3   Geothermal gradient:                          39.1 degC/km
-      Project location:                                     38.50619639648534, -112.91815591746716
+      Project location:                                     38.506196, -112.918155
 
 
                            ***RESERVOIR PARAMETERS***

docs/_images/fervo_project_cape-5-sensitivity-analysis-lcoe.svg

@@ -121,5 +121,5 @@ Maximum Drawdown, 0.0025, -- This value represents the fractional drop in produc
 Maximum Temperature, 500
 Time steps per year, 12
 
-Project Latitude, 38.50619639648534
-Project Longitude, -112.91815591746716
+Project Latitude, 38.506196
+Project Longitude, -112.918155

docs/_images/fervo_project_cape-5-sensitivity-analysis-project_npv.svg

@@ -4,10 +4,10 @@
 
 Simulation Metadata
 ----------------------
- GEOPHIRES Version: 3.13.6
- Simulation Date: 2026-05-16
- Simulation Time:  18:27
- Calculation Time:      2.020 sec
+ GEOPHIRES Version: 3.13.7
+ Simulation Date: 2026-05-19
+ Simulation Time:  09:33
+ Calculation Time:      1.837 sec
 
                            ***SUMMARY OF RESULTS***
 
@@ -69,7 +69,7 @@ Simulation Metadata
       Segment 2   Geothermal gradient:                            41 degC/km
       Segment 2   Thickness:                         0.5 kilometer
       Segment 3   Geothermal gradient:                          39.1 degC/km
-      Project location:                                     38.50619639648534, -112.91815591746716
+      Project location:                                     38.506196, -112.918155
 
 
                            ***RESERVOIR PARAMETERS***

tests/examples/Fervo_Project_Cape-5.out

@@ -117,5 +117,5 @@ Maximum Drawdown, 0.0025, -- This value represents the fractional drop in produc
 Maximum Temperature, 500
 Time steps per year, 12
 
-Project Latitude, 38.50619639648534
-Project Longitude, -112.91815591746716
+Project Latitude, 38.506196
+Project Longitude, -112.918155