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C/C++ Source or Header  |  1996-09-28  |  181b  |  13 lines
  1. #include "f2c.h"
  2.  
  3. #ifdef KR_headers
  4. double r_sign(a,b) real *a, *b;
  5. #else
  6. double r_sign(real *a, real *b)
  7. #endif
  8. {
  9. double x;
  10. x = (*a >= 0 ? *a : - *a);
  11. return( *b >= 0 ? x : -x);
  12. }
  13.