home *** CD-ROM | disk | FTP | other *** search
/ Language/OS - Multiplatform Resource Library / LANGUAGE OS.iso / f2c / may_5_92.lha / f2c.VMay_5_1992 / libF77 / r_sign.c < prev    next >
C/C++ Source or Header  |  1992-05-07  |  118b  |  10 lines
  1. #include "f2c.h"
  2.  
  3. double r_sign(a,b)
  4. real *a, *b;
  5. {
  6. double x;
  7. x = (*a >= 0 ? *a : - *a);
  8. return( *b >= 0 ? x : -x);
  9. }
  10.