X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FRadio%2Fitm.cpp;h=1ad10d4d8f60e97a69fc8c376c6d63932082849b;hb=cff6b2034de866df70a2b29feb3383ee8ccbbef6;hp=184ac37657a90a54bd29a9eb462c9c15fd7903c7;hpb=26011dd9c630f69e0267ed98d61c749754ce1e68;p=flightgear.git

diff --git a/src/Radio/itm.cpp b/src/Radio/itm.cpp
index 184ac3765..1ad10d4d8 100644
--- a/src/Radio/itm.cpp
+++ b/src/Radio/itm.cpp
@@ -39,12 +39,14 @@
 #include <assert.h>
 #include <stdio.h>
 
-const double THIRD = (1.0/3.0);
-const double f_0 = 47.7; // 47.7 MHz from [Alg 1.1], to convert frequency into wavenumber and vica versa
-
 
 using namespace std;
 
+namespace ITM {
+	
+const double THIRD = (1.0/3.0);
+const double f_0 = 47.7; // 47.7 MHz from [Alg 1.1], to convert frequency into wavenumber and vica versa
+
 
 struct prop_type {
 	// General input
@@ -133,7 +135,7 @@ double FORTRAN_DIM(const double &x, const double &y)
 }
 
 //#define set_warn(txt, err) printf("%s:%d %s\n", __func__, __LINE__, txt);
-#define set_warn(txt, err) 1;
+#define set_warn(txt, err)
 
 // :13: single-knife attenuation, page 6
 /*
@@ -811,6 +813,7 @@ void qlra(int kst[], int klimx, int mdvarx, prop_type &prop, propv_type &propv)
  * computers," Princeton Univ. Press, 1955) and the maximum error should be
  * 4.5e-4.
  */
+#if 1
 static
 double qerfi(double q)
 {
@@ -832,6 +835,7 @@ double qerfi(double q)
 
 	return v;
 }
+#endif
 
 
 // :41: preparatory routine, page 20
@@ -848,6 +852,7 @@ double qerfi(double q)
  *   surface impedance @zgnd
  * It may be used with either the area prediction or the point-to-point mode.
  */
+#if 1
 static
 void qlrps(double fmhz, double zsys, double en0, int ipol, double eps, double sgm, prop_type &prop)
 
@@ -880,6 +885,7 @@ void qlrps(double fmhz, double zsys, double en0, int ipol, double eps, double sg
 	prop.Z_g_real = prop_zgnd.real();
 	prop.Z_g_imag = prop_zgnd.imag();
 }
+#endif
 
 
 // :30: Function curv, page 15
@@ -899,6 +905,7 @@ double curve(double const &c1, double const &c2, double const &x1, double const
 
 
 // :28: Area variablity, page 14
+#if 1
 static
 double avar(double zzt, double zzl, double zzc, prop_type &prop, propv_type &propv)
 {
@@ -1165,7 +1172,7 @@ double avar(double zzt, double zzl, double zzc, prop_type &prop, propv_type &pro
 
 	return avarv;
 }
-
+#endif
 
 // :45: Find to horizons, page 24
 /*
@@ -1378,7 +1385,7 @@ double dlthx(double pfl[], const double &x1, const double &x2)
 	n = 10 * ka - 5;
 	kb = n - ka + 1;
 	sn = n - 1;
-	assert((s = new double[n+2]) != 0);
+	s = new double[n+2];
 	s[0] = sn;
 	s[1] = 1.0;
 	xb = (xb - xa) / sn;
@@ -1426,6 +1433,7 @@ double dlthx(double pfl[], const double &x1, const double &x2)
  *   pfl[0] = np, the number of points in the path
  *   pfl[1] = xi, the length of each increment
 */
+#if 1
 static
 void qlrpfl(double pfl[], int klimx, int mdvarx, prop_type &prop, propv_type &propv)
 {
@@ -1496,6 +1504,7 @@ void qlrpfl(double pfl[], int klimx, int mdvarx, prop_type &prop, propv_type &pr
 
 	lrprop(0.0, prop);
 }
+#endif
 
 
 //********************************************************
@@ -1543,7 +1552,6 @@ void point_to_point(double elev[],
 	double zc, zr;
 	double q = eno;
 	long ja, jb, i, np;
-	double dkm, xkm;
 	double fs;
 
 	prop.h_g[0] = tht_m;          // Tx height above ground level
@@ -1555,8 +1563,10 @@ void point_to_point(double elev[],
 	zc = qerfi(conf);
 	zr = qerfi(rel);
 	np = (long)elev[0];
-	dkm = (elev[1] * elev[0]) / 1000.0;
-	xkm = elev[1] / 1000.0;
+#if 0
+	double dkm = (elev[1] * elev[0]) / 1000.0;
+	double xkm = elev[1] / 1000.0;
+#endif
 
 	ja = (long)(3.0 + 0.1 * elev[0]);
 	jb = np - ja + 6;
@@ -1849,3 +1859,5 @@ void area(long ModVar, double deltaH, double tht_m, double rht_m, double dist_km
 		errnum = prop.kwx;
 }
 #endif
+
+}