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std::numeric_limits::min_exponent10

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staticconstint min_exponent10
(até C++11)
staticconstexprint min_exponent10
(desde C++11)
O valor de std::numeric_limits<T>::min_exponent10 é o menor número negativo n tal que 10n
é um valor válido normalizada do tipo de ponto flutuante T.
Original:
The value of std::numeric_limits<T>::min_exponent10 is the lowest negative number n such that 10n
is a valid normalized value of the floating-point type T.
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[editar]Especializações padrão

T
valor de std::numeric_limits<T>::min_exponent10
Original:
value of std::numeric_limits<T>::min_exponent10
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/* non-specialized */ 0
bool0
char0
signedchar0
unsignedchar0
wchar_t0
char16_t0
char32_t0
short0
unsignedshort0
int0
unsignedint0
long0
unsignedlong0
longlong0
unsignedlonglong0
floatFLT_MIN_10_EXP
doubleDBL_MIN_10_EXP
longdoubleLDBL_MIN_10_EXP

[editar]Exemplo

Demonstra as relações de min_exponent, min_exponent10, min, e radical para o tipo float:
Original:
Demonstrates the relationships of min_exponent, min_exponent10, min, and radix for the type float:
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#include <iostream>int main(){std::cout<<"min() = "<<std::numeric_limits<float>::min()<<'\n'<<"min_exponent10 = "<<std::numeric_limits<float>::min_exponent10<<'\n'<<std::hexfloat<<"min() = "<<std::numeric_limits<float>::min()<<'\n'<<"min_exponent = "<<std::numeric_limits<float>::min_exponent<<'\n';}

Saída:

min() = 1.17549e-38 min_exponent10 = -37 min() = 0x1p-126 min_exponent = -125

[editar]Veja também

[estática]
mais um do que o menor poder negativo do radix que é um valor válido de ponto flutuante normalizado
Original:
one more than the smallest negative power of the radix that is a valid normalized floating-point value
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(membro estático público constante)[edit]
[estática]
um a mais que o maior poder inteiro da raiz que é um valor válido de ponto flutuante finita
Original:
one more than the largest integer power of the radix that is a valid finite floating-point value
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(membro estático público constante)[edit]
[estática]
a maior potência inteira de 10 que é um válido valor de ponto flutuante finita
Original:
the largest integer power of 10 that is a valid finite floating-point value
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(membro estático público constante)[edit]
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