| 1) 2) cg.c:void axpy(double *dest, double a, double *x, double *y, int n) cg.c: axpy(x, alpha, s, x, n); //xk+1 = xk + ak*pk cg.c: axpy(r, -alpha, z, r, n); //rk+1 = rk - ak*A*pk cg.c: axpy(s, -beta, s, z, n); //pk+1 = zk+1+βk*pk cg.h:void axpy(double *dest, double alpha, double *x, double *y, int n); 3) solve_cg.c:62:13: error: too few arguments to function ‘precond_cg’ 62 | int iter = precond_cg(matvec, psolve, Adata, Mdata, | ^~~~~~~~~~ 4) ./a.out Segmentation fault 6) | ^~~~~~~~~~~~~ /usr/include/time.h:251:12: error: storage class specified for parameter ‘timer_getoverrun’ 251 | extern int timer_getoverrun (timer_t __timerid) __THROW; | ^~~~~~~~~~~~~~~~ /usr/include/time.h:257:12: error: storage class specified for parameter ‘timespec_get’ 257 | extern int timespec_get (struct timespec *__ts, int __base) | ^~~~~~~~~~~~ solve_cg.c:12:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token 12 | { | ^ In file included from solve_cg.c:6: cg.h:10:5: error: old-style parameter declarations in prototyped function definition 10 | int precond_cg( double **Adata, double *Mdata, double *b, | ^~~~~~~~~~ solve_cg.c:85: error: expected ‘{’ at end of input 7) | ~~~~~~~~^~~~~ solve_cg.c:62:13: error: too few arguments to function ‘precond_cg’ 62 | int iter = precond_cg(matvec, psolve, Adata, Mdata, b, cg_x, rtol, n, maxiter); | ^~~~~~~~~~ |
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