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#include "f2c.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef KR_headers
double r_abs(x) real *x;
#else
double r_abs(real *x)
#endif
{
if(*x >= 0)
return(*x);
return(- *x);
}
#ifdef __cplusplus
}
#endif
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