consts.lis 2008 September 30 SOFA Fortran constants ---------------------- These must be used exactly as presented below. * Pi DOUBLE PRECISION DPI PARAMETER ( DPI = 3.141592653589793238462643D0 ) * 2Pi DOUBLE PRECISION D2PI PARAMETER ( D2PI = 6.283185307179586476925287D0 ) * Radians to hours DOUBLE PRECISION DR2H PARAMETER ( DR2H = 3.819718634205488058453210D0 ) * Radians to seconds DOUBLE PRECISION DR2S PARAMETER ( DR2S = 13750.98708313975701043156D0 ) * Radians to degrees DOUBLE PRECISION DR2D PARAMETER ( DR2D = 57.29577951308232087679815D0 ) * Radians to arc seconds DOUBLE PRECISION DR2AS PARAMETER ( DR2AS = 206264.8062470963551564734D0 ) * Hours to radians DOUBLE PRECISION DH2R PARAMETER ( DH2R = 0.2617993877991494365385536D0 ) * Seconds to radians DOUBLE PRECISION DS2R PARAMETER ( DS2R = 7.272205216643039903848712D-5 ) * Degrees to radians DOUBLE PRECISION DD2R PARAMETER ( DD2R = 1.745329251994329576923691D-2 ) * Arc seconds to radians DOUBLE PRECISION DAS2R PARAMETER ( DAS2R = 4.848136811095359935899141D-6 ) SOFA C constants ---------------- The constants used by the C version of SOFA are defined in the header file sofam.h.