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R1448/ChiBenchmark/lenstoolchi/include/constant.h
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constant.h
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/*
* constants definition
*/
#ifndef CONSTANT_H
#define CONSTANT_H
#define PI 3.141592653589793238462643
#define LOG10 2.302585092994046
#define INVG 2.325968e8 // in Msol/(km/s)^2/Mpc
#define pi_in_a 648000. /* pi en arcsecond */
#define RTD 57.2957795130823208768 /* 1 rad en deg = 180/pi */
#define DTR 0.01745329251994329577 /* 1 deg en rad = pi/180 */
#define RTA 206264.81 /* 1 rad en arecsecond = 648000/pi */
#define pia_c2 7.209970e-06 /* pi en arcsecond/ c^2 = 648000/vol/vol */
#define vol 299792.50 /* en km/s cf. Weinberg*/
#define GM_c2 1.475 /* 1.e12 G.M_sol/c2 en 1.e12 km cf. Weinberg*/
#define kpot 4.59e-7 /* 2(arcsec)/c^2 in arecsec/(km/s)^2 */
#define ikpot 2178644.6 /* c^2/2(arcsec) in (km/s)^2/arecsec */
#define h0 50.
#define MCRIT 7.36126993e11 /* c^3/4Gh0/RTA/RTA in M_sol/arcsec^2 (h0=50) */
#define MCRIT12 .2343165 /* c^3/4piGh0/RTA/RTA in 1e12 M_sol/arcsec^2 (h0=50) */
#define PC 30.8563 /* 1 pc en 1.e12 km */
#define Mpc 30856300. /* 1 Mpc en 1.e12 km */
#define D0Mpc 5995.85 /* c/H0 en Mpc */
#define D0pc 5995850000. /* c/H0 en pc */
#define d0 29.068701 /* vol/h0*1000/rta -- c/H0 en h-1.kpc/arcsecond (h0=50)*/
#define D0 896952.55
/* vol/h0*Mpc/rta -- c/H0 en 1.e12 h-1.km/arcsecond */
#define cH2piG 0.11585881 /* cH0/2piG en g/cm^2 (H0=50) */
#define cH4piG 0.057929405 /* cH0/4piG en g/cm^2 (H0=50) */
#define cH0_4piG 2.7730112e-4 /* cH0/4piG en 10^12 M_Sol/kpc^2 (H0=50) */
#define E2max .125
#define tyaa .45964488 /* (1/H0)*(pi/648000)^2 (h0=50) in year */
#define th_a2_day 167.8852919 /* (1/H0)*(pi/648000)^2 (h0=50) in days */
#define Msol_in_g 1.989e33
#define cm_in_arcsec 4.982444e15
#define inte 0.012537756 /* cm_in_arcsec^2/Msol_in_g */
#endif // if CONSTANT_H
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