V4 CPP Export

V4/demo/demo.cpp

@@ -0,0 +1,132 @@
+#include <iostream>
+
+#include "../econSpd.h"
+
+int main() {
+  float altitude;
+  float weight;
+  int tipTankPercent;
+  int ci;
+
+  // Get data
+
+  std::cout << "Altitude (ft, no FL)?: ";
+  std::cin >> altitude;
+
+  std::cout << "Weight (kg, no t)?: ";
+  std::cin >> weight;
+
+  std::cout << "Tip tank quantity (percent): ";
+  std::cin >> tipTankPercent;
+
+  std::cout << "CI (0 to 999)?: ";
+  std::cin >> ci;
+
+  std::cout << std::endl << std::endl << "BEGIN Step-By-Step" << std::endl << std::endl;
+
+  // Bound data
+
+  auto [lowerFl, upperFl, ratioFl] = boundAltitude(altitude);
+
+  std::cout << "Lower Altitude Bound: " << lowerFl << std::endl;
+  std::cout << "Upper Altitude Bound: " << upperFl << std::endl;
+  std::cout << "Ratio: " << ratioFl << std::endl << std::endl;
+
+  auto [lowerWgt, upperWgt, ratioWgt] = boundWeight(weight);
+
+  std::cout << "Lower Weight Bound: " << lowerWgt << std::endl;
+  std::cout << "Upper Weight Bound: " << upperWgt << std::endl;
+  std::cout << "Ratio: " << ratioWgt << std::endl << std::endl;
+
+  float ratioMMO = boundMMO(tipTankPercent);
+
+  // Check validity
+
+  if (altitude < MIN_FL * 100) {
+    std::cerr << "Too low, min Altitude: " << MIN_FL * 100 << std::endl;
+    exit(1);
+  }
+  if (altitude > MAX_FL * 100) {
+    std::cerr << "Too high, max Altitude: " << MAX_FL * 100 << std::endl;
+    exit(1);
+  }
+  if (weight < MIN_WGT * 1000) {
+    std::cerr << "Too light, min weight: " << MIN_WGT * 1000 << std::endl;
+    exit(1);
+  }
+  if (weight > MAX_WGT * 1000) {
+    std::cerr << "Too heavy, max weight: " << MAX_WGT * 1000 << std::endl;
+    exit(1);
+  }
+  if (tipTankPercent < 0 || tipTankPercent > 100) {
+    std::cerr << "Invalid quantity" << std::endl;
+    exit(1);
+  }
+  if (ci < 0) {
+    std::cerr << "CI must be greater or equal to 0" << std::endl;
+    exit(1);
+  }
+  if (ci > 999) {
+    std::cerr << "CI must be lesser or equal to 999" << std::endl;
+    exit(1);
+  }
+
+  // Grab table, convert altitude and weight to index
+
+  int lowerFlIndex = flightLevel2Index(lowerFl);
+  int upperFlIndex = flightLevel2Index(upperFl);
+  int lowerWgtIndex = weight2Index(lowerWgt);
+  int upperWgtIndex = weight2Index(upperWgt);
+
+  // Get boundary values
+
+  const float* lowerFlLowerWgtCis85 = ci2Mach_85[lowerFlIndex][lowerWgtIndex];
+  const float* lowerFlUpperWgtCis85 = ci2Mach_85[lowerFlIndex][upperWgtIndex];
+  const float* upperFlLowerWgtCis85 = ci2Mach_85[upperFlIndex][lowerWgtIndex];
+  const float* upperFlUpperWgtCis85 = ci2Mach_85[upperFlIndex][upperWgtIndex];
+  const float* lowerFlLowerWgtCis87 = ci2Mach_87[lowerFlIndex][lowerWgtIndex];
+  const float* lowerFlUpperWgtCis87 = ci2Mach_87[lowerFlIndex][upperWgtIndex];
+  const float* upperFlLowerWgtCis87 = ci2Mach_87[upperFlIndex][lowerWgtIndex];
+  const float* upperFlUpperWgtCis87 = ci2Mach_87[upperFlIndex][upperWgtIndex];
+
+  // Check if we can even fly here (higher FL and weights are NULL due to perf limits)
+
+  if (lowerFlLowerWgtCis85 == NULL || lowerFlUpperWgtCis85 == NULL || upperFlLowerWgtCis85 == NULL || upperFlUpperWgtCis85 == NULL ||
+      lowerFlLowerWgtCis87 == NULL || lowerFlUpperWgtCis87 == NULL || upperFlLowerWgtCis87 == NULL || upperFlUpperWgtCis87 == NULL) {
+    std::cerr << "Outside operational regime. Check weight/altitude" << std::endl;
+    exit(1);
+  }
+
+  // Get machs
+
+  float lowerFlLowerWgtMach85 = lowerFlLowerWgtCis85[ci];
+  float lowerFlUpperWgtMach85 = lowerFlUpperWgtCis85[ci];
+  float upperFlLowerWgtMach85 = upperFlLowerWgtCis85[ci];
+  float upperFlUpperWgtMach85 = upperFlUpperWgtCis85[ci];
+  float lowerFlLowerWgtMach87 = lowerFlLowerWgtCis87[ci];
+  float lowerFlUpperWgtMach87 = lowerFlUpperWgtCis87[ci];
+  float upperFlLowerWgtMach87 = upperFlLowerWgtCis87[ci];
+  float upperFlUpperWgtMach87 = upperFlUpperWgtCis87[ci];
+
+  // Lin interp
+
+  float ratioedLowerFlMach85 = interp(lowerFlLowerWgtMach85, lowerFlUpperWgtMach85, ratioWgt);
+  float ratioedUpperFlMach85 = interp(upperFlLowerWgtMach85, upperFlUpperWgtMach85, ratioWgt);
+  float ratioedMach85 = interp(ratioedLowerFlMach85, ratioedUpperFlMach85, ratioFl);
+  float ratioedLowerFlMach87 = interp(lowerFlLowerWgtMach87, lowerFlUpperWgtMach87, ratioWgt);
+  float ratioedUpperFlMach87 = interp(upperFlLowerWgtMach87, upperFlUpperWgtMach87, ratioWgt);
+  float ratioedMach87 = interp(ratioedLowerFlMach87, ratioedUpperFlMach87, ratioFl);
+
+  float ratioedMach = roundTo(interp(ratioedMach85, ratioedMach87, ratioMMO), 3);
+
+  std::cout << "Mach for CI " << ci << ": " << ratioedMach << std::endl << std::endl;
+  std::cout << "END Step-By-Step" << std::endl << std::endl << std::endl;
+
+
+  std::cout << "BEGIN All-In-One" << std::endl << std::endl;
+
+  float aioMach = ci2mach(altitude, weight, tipTankPercent, ci);
+  
+  std::cout << "Mach for CI " << ci << ": " << aioMach << std::endl << std::endl;
+  std::cout << "END All-In-One" << std::endl ;
+}