tAdd error checking on input data, remove unused math.h - cngf-pf - continuum model for granular flows with pore-pressure dynamics (renamed from 1d_fd_simple_shear)
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       ---
 (DIR) commit 189f29ca5c8abdc06a1f66c110f2988746484f9a
 (DIR) parent dd8acb3ca5ee35f5d8d6c9080191b1c9d276b627
 (HTM) Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Tue, 24 Mar 2020 18:11:55 +0100
       
       Add error checking on input data, remove unused math.h
       
       Diffstat:
         M shear_flux.c                        |       3 ++-
       
       1 file changed, 2 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/shear_flux.c b/shear_flux.c
       t@@ -2,7 +2,6 @@
        #include <unistd.h>
        #include <stdio.h>
        #include <stdlib.h>
       -#include <math.h>
        
        #include "arg.h"
        
       t@@ -34,6 +33,8 @@ find_flux(FILE *f)
                        pos_prev = pos;
                        vel_prev = vel;
                }
       +        if (i == 1)
       +                err(1, "could not read input data");
        
                return flux;
        }