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C/C++ Source or Header  |  1993-04-28  |  151b  |  13 lines
  1. #include "f2c.h"
  2.  
  3. #ifdef KR_headers
  4. double d_abs(x) doublereal *x;
  5. #else
  6. double d_abs(doublereal *x)
  7. #endif
  8. {
  9. if(*x >= 0)
  10.     return(*x);
  11. return(- *x);
  12. }
  13.