Index: trunk/MagicSoft/Cosy/catalog/Slalib.cc
===================================================================
--- trunk/MagicSoft/Cosy/catalog/Slalib.cc	(revision 2278)
+++ trunk/MagicSoft/Cosy/catalog/Slalib.cc	(revision 2280)
@@ -16,4 +16,16 @@
 Slalib::~Slalib()
 {
+}
+
+Double_t Slalib::Trunc(Double_t val)
+{
+    /* dint(A) - truncate to nearest whole number towards zero (double) */
+    return val<0 ? TMath::Ceil(val) : TMath::Floor(val);
+}
+
+Double_t Slalib::Round(Double_t val)
+{
+    /* dnint(A) - round to nearest whole number (double) */
+    return val<0 ? TMath::Ceil(val-0.5) : TMath::Floor(val+0.5);
 }
 
@@ -45,2 +57,141 @@
     return ZdAz(kPiDiv2-alt, az);
 }
+
+Double_t Slalib::Hms2Sec(Int_t deg, UInt_t min, Double_t sec, Char_t sgn)
+{
+    const Double_t rc = TMath::Sign((60.0 * (60.0 * (Double_t)TMath::Abs(deg) + (Double_t)min) + sec), (Double_t)deg);
+    return sgn=='-' ? -rc : rc;
+}
+
+Double_t Slalib::Dms2Rad(Int_t deg, UInt_t min, Double_t sec, Char_t sgn)
+{
+    /* pi/(180*3600):  arcseconds to radians */
+#define DAS2R 4.8481368110953599358991410235794797595635330237270e-6
+    return Hms2Sec(deg, min, sec, sgn)*DAS2R;
+}
+
+Double_t Slalib::Hms2Rad(Int_t hor, UInt_t min, Double_t sec, Char_t sgn)
+{
+    /* pi/(12*3600):  seconds of time to radians */
+#define DS2R 7.2722052166430399038487115353692196393452995355905e-5
+    return Hms2Sec(hor, min, sec, sgn)*DS2R;
+}
+
+Double_t Slalib::Dms2Deg(Int_t deg, UInt_t min, Double_t sec, Char_t sgn)
+{
+    return Hms2Sec(deg, min, sec, sgn)/3600.;
+}
+
+Double_t Slalib::Hms2Deg(Int_t hor, UInt_t min, Double_t sec, Char_t sgn)
+{
+    return Hms2Sec(hor, min, sec, sgn)/240.;
+}
+
+Double_t Slalib::Dms2Hor(Int_t deg, UInt_t min, Double_t sec, Char_t sgn)
+{
+    return Hms2Sec(deg, min, sec, sgn)/15.;
+}
+
+Double_t Slalib::Hms2Hor(Int_t hor, UInt_t min, Double_t sec, Char_t sgn)
+{
+    return Hms2Sec(hor, min, sec, sgn)/3600.;
+}
+
+void Slalib::Day2Hms(Double_t day, Char_t &sgn, UShort_t &hor, UShort_t &min, UShort_t &sec)
+{
+    /* Handle sign */
+    sgn = day<0?'-':'+';
+
+    /* Round interval and express in smallest units required */
+    Double_t a = Round(86400. * TMath::Abs(day)); // Days to seconds
+
+    /* Separate into fields */
+    const Double_t ah = Trunc(a/3600.);
+    a -= ah * 3600.;
+    const Double_t am = Trunc(a/60.);
+    a -= am * 60.;
+    const Double_t as = Trunc(a);
+
+    /* Return results */
+    hor = (UShort_t)ah;
+    min = (UShort_t)am;
+    sec = (UShort_t)as;
+}
+
+void Slalib::Rad2Hms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec)
+{
+    Day2Hms(rad/(TMath::Pi()*2), sgn, deg, min, sec);
+}
+
+void Slalib::Rad2Dms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec)
+{
+    Rad2Hms(rad*15, sgn, deg, min, sec);
+}
+
+void Slalib::Deg2Dms(Double_t d, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec)
+{
+    Day2Hms(d/24, sgn, deg, min, sec);
+}
+
+void Slalib::Deg2Hms(Double_t d, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec)
+{
+    Rad2Hms(d/360, sgn, deg, min, sec);
+}
+
+void Slalib::Hor2Dms(Double_t h, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec)
+{
+    Day2Hms(h*15/24, sgn, deg, min, sec);
+}
+
+void Slalib::Hor2Hms(Double_t h, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec)
+{
+    Day2Hms(h/24, sgn, deg, min, sec);
+}
+
+void Slalib::Day2Hm(Double_t day, Char_t &sgn, UShort_t &hor, Double_t &min)
+{
+    /* Handle sign */
+    sgn = day<0?'-':'+';
+
+    /* Round interval and express in smallest units required */
+    Double_t a = Round(86400. * TMath::Abs(day)); // Days to seconds
+
+    /* Separate into fields */
+    const Double_t ah = Trunc(a/3600.);
+    a -= ah * 3600.;
+
+    /* Return results */
+    hor = (UShort_t)ah;
+    min = a/60.;
+}
+
+void Slalib::Rad2Hm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min)
+{
+    Day2Hm(rad/(TMath::Pi()*2), sgn, deg, min);
+}
+
+void Slalib::Rad2Dm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min)
+{
+    Rad2Hm(rad*15, sgn, deg, min);
+}
+
+void Slalib::Deg2Dm(Double_t d, Char_t &sgn, UShort_t &deg, Double_t &min)
+{
+    Day2Hm(d/24, sgn, deg, min);
+}
+
+void Slalib::Deg2Hm(Double_t d, Char_t &sgn, UShort_t &deg, Double_t &min)
+{
+    Rad2Hm(d/360, sgn, deg, min);
+}
+
+void Slalib::Hor2Dm(Double_t h, Char_t &sgn, UShort_t &deg, Double_t &min)
+{
+    Day2Hm(h*15/24, sgn, deg, min);
+}
+
+void Slalib::Hor2Hm(Double_t h, Char_t &sgn, UShort_t &deg, Double_t &min)
+{
+    Day2Hm(h/24, sgn, deg, min);
+}
+
Index: trunk/MagicSoft/Cosy/catalog/Slalib.h
===================================================================
--- trunk/MagicSoft/Cosy/catalog/Slalib.h	(revision 2278)
+++ trunk/MagicSoft/Cosy/catalog/Slalib.h	(revision 2280)
@@ -13,21 +13,34 @@
     double fAlpha;
 
+    static Double_t Round(Double_t val);
+    static Double_t Trunc(Double_t val);
+
 public:
     Slalib(MObservatory::LocationName_t key);
     virtual ~Slalib();
 
-    static Double_t Dms2Rad(Int_t deg, UInt_t min, Double_t sec)
-    {
-        /* pi/(180*3600):  arcseconds to radians */
-#define DAS2R 4.8481368110953599358991410235794797595635330237270e-6
-        return DAS2R * (60.0 * (60.0 * (Double_t)deg + (Double_t)min) + sec);
-    }
+    static Double_t Hms2Sec(Int_t deg, UInt_t min, Double_t sec, char sgn='+');
+    static Double_t Dms2Rad(Int_t deg, UInt_t min, Double_t sec, Char_t sgn='+');
+    static Double_t Hms2Rad(Int_t hor, UInt_t min, Double_t sec, Char_t sgn='+');
+    static Double_t Dms2Deg(Int_t deg, UInt_t min, Double_t sec, Char_t sgn='+');
+    static Double_t Hms2Deg(Int_t hor, UInt_t min, Double_t sec, Char_t sgn='+');
+    static Double_t Dms2Hor(Int_t deg, UInt_t min, Double_t sec, Char_t sgn='+');
+    static Double_t Hms2Hor(Int_t hor, UInt_t min, Double_t sec, Char_t sgn='+');
 
-    static Double_t Hms2Rad(Int_t hor, UInt_t min, Double_t sec)
-    {
-        /* pi/(12*3600):  seconds of time to radians */
-#define DS2R 7.2722052166430399038487115353692196393452995355905e-5
-        return DS2R * (60.0 * (60.0 * (Double_t)hor + (Double_t)min) + sec);
-    }
+    static void Day2Hms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec);
+    static void Rad2Dms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec);
+    static void Rad2Hms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec);
+    static void Deg2Dms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec);
+    static void Deg2Hms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec);
+    static void Hor2Dms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec);
+    static void Hor2Hms(Double_t rad, Char_t &sgn, UShort_t &deg, UShort_t &min, UShort_t &sec);
+
+    static void Day2Hm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min);
+    static void Rad2Dm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min);
+    static void Rad2Hm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min);
+    static void Deg2Dm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min);
+    static void Deg2Hm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min);
+    static void Hor2Dm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min);
+    static void Hor2Hm(Double_t rad, Char_t &sgn, UShort_t &deg, Double_t &min);
 
     virtual void SetMjd(double mjd);