+++ /dev/null
-#include "f2c.h"
-
-#ifdef KR_headers
-extern double log(), f__cabs(), atan2();
-VOID c_log(r, z) complex *r, *z;
-#else
-#undef abs
-#include "math.h"
-extern double f__cabs(double, double);
-
-void c_log(complex *r, complex *z)
-#endif
-{
- double zi, zr;
- r->i = atan2(zi = z->i, zr = z->r);
- r->r = log( f__cabs(zr, zi) );
- }