CoCalc -- gsl_diff.pxi

GitHub Repository: sagemath/sagelib
Path: blob/master/sage/gsl/gsl_diff.pxi
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cdef extern from "gsl/gsl_diff.h":
  int gsl_diff_central ( gsl_function *f, double x, 
                        double *result, double *abserr)
  
  int gsl_diff_backward ( gsl_function *f, double x,
                         double *result, double *abserr)
  
  int gsl_diff_forward ( gsl_function *f, double x,
                        double *result, double *abserr)