// Macros to explicitly control precision of the constants, otherwise
// known to cause problems for some Compilers
#ifdef DOUBLE_PRECISION
#define CPREC(a) a
#else
#define CPREC(a) a##f
#endif

//replace divisions by multiplication with the reciprocal
#define REPLACE_DIV_WITH_RCP 1

//Call the appropriate math function based on precision
#define real float
#if REPLACE_DIV_WITH_RCP
#define DIV(x,y) ((x)*(1.0f/(y)))
#else
#define DIV(x,y) ((x)/(y))
#endif
#define POW pow
#define EXP exp
#define EXP10 exp10
#define EXP2 exp2
#define MAX fmax
#define MIN fmin
#define LOG log
#define LOG10 log10

//Kernel indexing macros
#define thread_num (get_global_id(0))
#define idx2(p,z) (p[(((z)-1)*(N_GP)) + thread_num])
#define idx(x, y) ((x)[(y)-1])
#define C(q)     idx2(C, q)
#define Y(q)     idx2(Y, q)
#define RF(q)    idx2(RF, q)
#define EG(q)    idx2(EG, q)
#define RB(q)    idx2(RB, q)
#define RKLOW(q) idx2(RKLOW, q)
#define ROP(q)   idx(ROP, q)
#define WDOT(q)  idx2(WDOT, q)
#define RKF(q)   idx2(RKF, q)
#define RKR(q)   idx2(RKR, q)
#define A_DIM    (11)
#define A(b, c)  idx2(A, (((b)*A_DIM)+c) )


__kernel void
ratt5_kernel(__global const real* T, __global const real* RF,
		__global real* RB, __global const real* EG, const real TCONV)
{

    const real TEMP = T[get_global_id(0)]*TCONV;
    const real ALOGT = LOG(TEMP);
#ifdef DOUBLE_PRECISION
    const real SMALL_INV = 1e+300;
#else
    const real SMALL_INV = 1e+20f;
#endif

    const real RU=CPREC(8.31451e7);
    const real PATM = CPREC(1.01325e6);
    const real PFAC = DIV (PATM, (RU*(TEMP)));

    real rtemp_inv;

    rtemp_inv = DIV ((EG(7)*EG(17)), (EG(8)*EG(16)));
    RB(76) = RF(76) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(9)*EG(17)), (EG(2)*EG(26)));
    RB(77) = RF(77) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(2)*EG(12)*PFAC), EG(13));
    RB(78) = RF(78) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(3)*EG(12)), (EG(2)*EG(17)));
    RB(79) = RF(79) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(5)*EG(12)), (EG(6)*EG(10)));
    RB(80) = RF(80) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(5)*EG(12)), (EG(6)*EG(11)));
    RB(81) = RF(81) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(4)*EG(12)), (EG(3)*EG(18)));
    RB(82) = RF(82) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(4)*EG(12)), (EG(5)*EG(17)));
    RB(83) = RF(83) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(7)*EG(12)), (EG(4)*EG(13)));
    RB(84) = RF(84) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(7)*EG(12)), (EG(5)*EG(18)));
    RB(85) = RF(85) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(8)*EG(12)), (EG(7)*EG(13)));
    RB(86) = RF(86) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(9)*EG(12)), (EG(2)*EG(21)));
    RB(87) = RF(87) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(12)*EG(16)), (EG(13)*EG(14)));
    RB(88) = RF(88) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(12)*EG(16)*PFAC), EG(28));
    RB(89) = RF(89) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(12)*EG(17)), (EG(13)*EG(16)));
    RB(90) = RF(90) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(10)*EG(12)), (EG(2)*EG(22)));
    RB(91) = RF(91) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(11)*EG(12)), (EG(2)*EG(22)));
    RB(92) = RF(92) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(12)*EG(12)*PFAC), EG(24));
    RB(93) = RF(93) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(12)*EG(12)), (EG(2)*EG(23)));
    RB(94) = RF(94) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(12)*EG(25)), (EG(14)*EG(22)));
    RB(95) = RF(95) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(2)*EG(18)), (EG(1)*EG(17)));
    RB(96) = RF(96) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(2)*EG(18)), (EG(5)*EG(12)));
    RB(97) = RF(97) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(2)*EG(18)), (EG(6)*EG(11)));
    RB(98) = RF(98) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(3)*EG(18)), (EG(5)*EG(17)));
    RB(99) = RF(99) * MIN(rtemp_inv, SMALL_INV);

    rtemp_inv = DIV ((EG(5)*EG(18)), (EG(6)*EG(17)));
    RB(100) = RF(100) * MIN(rtemp_inv, SMALL_INV);

}

