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/* { dg-do compile } */
/* { dg-options "-Ofast -floop-nest-optimize" } */
typedef struct _IO_FILE FILE;
extern struct _IO_FILE *stderr;
typedef float real;
typedef real rvec[3];
int rgbset (int);
void ps_box (int, int);
void plot_phi(char *fn,rvec box,int natoms,rvec x[],real phi[])
{
real phi_max,rr,gg,bb,fac,dx,x0,y0;
int i;
for(i=0; (i<natoms); i++)
phi_max=((phi_max > __builtin_fabs(phi[i]))
? phi_max : __builtin_fabs(phi[i]));
if (__builtin_fabs(phi_max)<1.2e-38)
__builtin_fprintf(stderr, "X");
ps_box((real)(fac*box[0]-1),(real)(fac*box[1]-1));
for(i=0; (i<natoms); i++)
{
rr=gg=bb=1.0;
if (phi[i] < 0)
gg=bb=(1.0+(phi[i]/phi_max));
else
rr=gg=(1.0-(phi[i]/phi_max));
rr=rgbset(rr);
}
}
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