d_abs.c 218 B

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  1. #include "f2c.h"
  2. #ifdef __cplusplus
  3. extern "C" {
  4. #endif
  5. #ifdef KR_headers
  6. double d_abs(x) doublereal *x;
  7. #else
  8. double d_abs(doublereal *x)
  9. #endif
  10. {
  11. if(*x >= 0)
  12. return(*x);
  13. return(- *x);
  14. }
  15. #ifdef __cplusplus
  16. }
  17. #endif