NASA Ocean Color

ocssw V2022

 #include "get_ctht.h"
  
 /*
 axis_interp - emulate the idl interpolate function with all its drawbacks
  
    Returns - float - the interpolate on the axis values
  
    Parameters: (in calling order)
      Type              Name            I/O     Description
      ----              ----            ---     -----------
      float *           axis_arr_vals    I      the axis values
      int32_t           n_ax             I      # of values in axis
      float             ind_frac         I      axis index and fraction to the
                                                  next index
  
    W. Robinson, SAIC, 8 Sep 2023
  */
  
 float axis_interp( float *axis_arr_vals, int32_t n_ax, float ind_frac )
   {
   float retval, fr;
   int32_t indx;
  
   // first, just return min or max if we're outside
   if( ind_frac <= 0 )
     {
     retval = axis_arr_vals[0];
     }
   else if( ind_frac >= n_ax - 1 )
     {
     retval = (float) n_ax - 1;
     retval = axis_arr_vals[ n_ax - 1 ];
     }
   else
     {
     indx = (int32_t) ind_frac;
     fr = ind_frac - indx;
     retval = fr * axis_arr_vals[ indx + 1 ] + ( 1. - fr ) * axis_arr_vals[indx];
     }
   return retval;
   }
  

MDN.parameters.float

float

Definition: parameters.py:23

axis_interp

float axis_interp(float *axis_arr_vals, int32_t n_ax, float ind_frac)

Definition: axis_interp.c:19

get_ctht.h