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#include <stdio.h>
#include "common.h"

#if !defined(DOUBLE)
#define VSETVL(n)               __riscv_vsetvl_e32m2(n)
#define FLOAT_VX2_T             vfloat32m2x2_t
#define VLSSEG2_FLOAT           __riscv_vlsseg2e32_v_f32m2x2
#define VSSEG2_FLOAT            __riscv_vsseg2e32_v_f32m2x2
#define VSSEG2_FLOAT_M          __riscv_vsseg2e32_v_f32m2x2_m
#define VBOOL_T                 vbool16_t
#define UINT_V_T                vuint32m2_t
#define VID_V_UINT              __riscv_vid_v_u32m2
#define VMSLTU_VX_UINT          __riscv_vmsltu_vx_u32m2_b16
#else
#define VSETVL(n)               __riscv_vsetvl_e64m2(n)
#define FLOAT_VX2_T             vfloat64m2x2_t
#define VLSSEG2_FLOAT           __riscv_vlsseg2e64_v_f64m2x2
#define VSSEG2_FLOAT            __riscv_vsseg2e64_v_f64m2x2
#define VSSEG2_FLOAT_M          __riscv_vsseg2e64_v_f64m2x2_m
#define VBOOL_T                 vbool32_t
#define UINT_V_T                vuint64m2_t
#define VID_V_UINT              __riscv_vid_v_u64m2
#define VMSLTU_VX_UINT          __riscv_vmsltu_vx_u64m2_b32

#endif


int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, BLASLONG offset, FLOAT *b){

    //fprintf(stderr, "%s , %s, m = %4ld  n = %4ld  lda = %4ld offset = %4ld\n", __FILE__, __FUNCTION__, m, n, lda, offset); // Debug

    BLASLONG i, ii, jj, js;

    FLOAT *ao;

    jj = offset;

    BLASLONG stride_lda = sizeof(FLOAT)*lda*2;

    FLOAT_VX2_T vax2;
    VBOOL_T vbool_cmp;
    UINT_V_T vindex;
    size_t vl;

    for (js = n; js > 0; js -= vl)
    {
        vl = VSETVL(js);
        ao = a;

        ii = 0;
        for (i = 0; i < m;)
        {
            if (ii == jj) 
            {
                vindex  = VID_V_UINT(vl);
                for (unsigned int j = 0; j < vl; j++) 
                {
                    vax2 = VLSSEG2_FLOAT(ao, stride_lda, vl);
                    vbool_cmp = VMSLTU_VX_UINT(vindex, j, vl);
                    VSSEG2_FLOAT_M(vbool_cmp, b, vax2, vl);

                    compinv((b + j * 2), *(ao + j * lda * 2), *(ao + j * lda * 2 + 1));
                    ao  += 2;
                    b   += vl * 2;
                }
                i += vl;
                ii += vl;
            }
            else
            {
                if (ii > jj)
                {
                    vax2 = VLSSEG2_FLOAT(ao, stride_lda, vl);
                    VSSEG2_FLOAT(b, vax2, vl);
                }
                ao  += 2;
                b   += vl * 2;
                i++;
                ii++;
            }
        }

        a += vl * lda * 2;
        jj += vl;
    }

    return 0;
}
