File: C:/Users/fred/anaconda3/Lib/site-packages/astropy/io/fits/hdu/compressed/src/quantize.h
int fits_quantize_float (long row, float fdata[], long nxpix, long nypix, int nullcheck,
float in_null_value, float qlevel, int dither_method, int idata[], double *bscale,
double *bzero, int *iminval, int *imaxval);
int fits_quantize_double (long row, double fdata[], long nxpix, long nypix, int nullcheck,
double in_null_value, float qlevel, int dither_method, int idata[], double *bscale,
double *bzero, int *iminval, int *imaxval);