Create cossquare.cpp

UTSR/Matlab_coder/cossquare.cpp

@@ -0,0 +1,56 @@
+//
+// Academic License - for use in teaching, academic research, and meeting
+// course requirements at degree granting institutions only.  Not for
+// government, commercial, or other organizational use.
+//
+// cossquare.cpp
+//
+// Code generation for function 'cossquare'
+//
+
+// Include files
+#include "cossquare.h"
+#include "rt_nonfinite.h"
+#include <cmath>
+
+// Function Definitions
+void cossquare(const double f[4096], double fc, double BW, double r[4096])
+{
+  double d;
+  double f4;
+  double f4_tmp;
+  // UNTITLED Summary of this function goes here
+  //    Detailed explanation goes here
+  f4 = fc + BW;
+  d = 2.0 * fc;
+  f4_tmp = f4 - (fc - BW);
+  for (int k{0}; k < 4096; k++) {
+    double d1;
+    double d2;
+    double d3;
+    double d4;
+    boolean_T b;
+    boolean_T b1;
+    d1 = f[k];
+    d2 = std::abs(d1);
+    b = (d2 <= f4);
+    b1 = ((d2 > fc) && b);
+    b = ((d2 <= fc) && b);
+    d3 = std::cos(3.1415926535897931 * (fc - static_cast<double>(b1) * d2) /
+                  f4_tmp);
+    d2 = 3.1415926535897931 * (fc - static_cast<double>(b) * d2) / f4_tmp;
+    d2 = std::cos(d2);
+    if (std::isnan(d1)) {
+      d4 = rtNaN;
+    } else if (d1 < 0.0) {
+      d4 = -1.0;
+    } else {
+      d4 = (d1 > 0.0);
+    }
+    r[k] = static_cast<double>(b1) * (d3 * d3) +
+           d4 * (static_cast<double>(b) *
+                 std::sin(3.1415926535897931 * d1 / d) * (d2 * d2));
+  }
+}
+
+// End of code generation (cossquare.cpp)