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glibc  2.9
Functions
q_dtoq.c File Reference
#include "soft-fp.h"
#include "double.h"
#include "quad.h"

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Functions

long double _q_dtoq (const double a)

Function Documentation

long double _q_dtoq ( const double  a)

Definition at line 27 of file q_dtoq.c.

{
  FP_DECL_EX;
  FP_DECL_D(A);
  FP_DECL_Q(C);
  long double c;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_RAW_D(A, a);
#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
  FP_EXTEND(Q,D,4,2,C,A);
#else
  FP_EXTEND(Q,D,2,1,C,A);
#endif
  FP_PACK_RAW_Q(c, C);
  FP_HANDLE_EXCEPTIONS;
  return c;
}