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      FLT_EVAL_METHOD

      De cppreference.com
      < c | types | limits

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      Definido no cabeçalho <float.h>
      #define FLT_EVAL_METHOD /* implementation defined */
      		 (desde C99)
      Especifica a precisão em que todas as operações de aritmética de ponto flutuante são feitas.
      Original:
      Specifies the precision in which all floating-point arithmetic operations are done.
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      Valor
      Original:
      Value
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      		 Explanation
      negative values except -1
      aplicação definida comportamento
      Original:
      implementation-defined behavior
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      -1
      a precisão padrão não é conhecido
      Original:
      the default precision is not known
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      0
      todas as operações e constantes avaliar na gama e precisão do tipo utilizado. Além disso, e float_t double_t são equivalentes a float e double respectivamente
      Original:
      all operations and constants evaluate in the range and precision of the type used. Additionally, float_t and double_t are equivalent to float and double respectively
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      1
      todas as operações e constantes avaliar no intervalo e precisão de double. Além disso, tanto float_t e double_t são equivalentes a double
      Original:
      all operations and constants evaluate in the range and precision of double. Additionally, both float_t and double_t are equivalent to double
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      2
      todas as operações e constantes avaliar no intervalo e precisão de long double. Além disso, tanto float_t e double_t são equivalentes a long double
      Original:
      all operations and constants evaluate in the range and precision of long double. Additionally, both float_t and double_t are equivalent to long double
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      Veja também

      C++ documentation for FLT_EVAL_METHOD