Changeset 4047 in Sophya for trunk/Cosmo/SimLSS/cosmocalc.cc

Timestamp:

Jan 12, 2012, 10:37:47 PM (14 years ago)

Author:

cmv

Message:

details..., cmv 12/01/2012

File:

• trunk/Cosmo/SimLSS/cosmocalc.cc (modified) (2 diffs)

trunk/Cosmo/SimLSS/cosmocalc.cc

@@ -235 +235 @@
   printf("Otot=%g  Ocurv=%g\n",Otot(z),Ocurv(z));
   if(z <= 0.) return;
-  printf("Distance comoving: los=%g Mpc, transv=%g Mpc\n",Dloscom(z),Dtrcom(z));
+  printf("Distance comoving: los=%g Mpc (dlos/dz=%g), transv=%g Mpc\n",Dloscom(z),DloscomDz(z),Dtrcom(z));
   printf("Distance: angular=%g Mpc, lum=%g Mpc\n",Dang(z),Dlum(z));
   printf("Volume comoving element: %g Mpc^3/sr/dz=1\n",dVol(z));
@@ -292 +292 @@
 {
   return _Dhubble * NInteg(z);
+}
+
+double CosmoCalc::DloscomDz(double z)
+// d(Dloscom)/dz : derivee de la distance LOS comobile par rapport a z
+{
+  return SpeedOfLight_Cst / H(z);
 }