initial commit

src_rate_solver.h

@@ -0,0 +1,8 @@
+
+double brent (double rate, double exposure, double *sp, double *bp, int ssize);
+
+double get_phc_solution(double r, double e, double *s, double *b, int size);
+
+double get_phc_solution_pkr(double r, double e, double *pk, int size);
+
+double get_lkl_pkr(double r, double *pk, int size);