contrib/libs/libf2c/r_acos.c


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#include "f2c.h"

#ifdef KR_headers
double acos();
double r_acos(x) real *x;
#else
#undef abs
#include "math.h"
#ifdef __cplusplus
extern "C" {
#endif
double r_acos(real *x)
#endif
{
return( acos(*x) );
}
#ifdef __cplusplus
}
#endif