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ydb
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contrib
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libs
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libf2c
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d_atan.c

d_atan.c 245 B
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  1. #include "f2c.h"
    2. 

  2. 

  3. #ifdef KR_headers
    4. 

  4. double atan();
    5. 

  5. double d_atan(x) doublereal *x;
    6. 

  6. #else
    7. 

  7. #undef abs
    8. 

  8. #include "math.h"
    9. 

  9. #ifdef __cplusplus
    10. 

  10. extern "C" {
    11. 

  11. #endif
    12. 

  12. double d_atan(doublereal *x)
    13. 

  13. #endif
    14. 

  14. {
    15. 

  15. return( atan(*x) );
    16. 

  16. }
    17. 

  17. #ifdef __cplusplus
    18. 

  18. }
    19. 

  19. #endif
    20.