std::numeric_limits::min_exponent10
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<metanoindex/>
<tbody> </tbody> static const int min_exponent10 |
(até C++11) | |
static constexpr int min_exponent10 |
(desde C++11) | |
O valor de
é um valor válido normalizada do tipo de ponto flutuante
std::numeric_limits<T>::min_exponent10 é o menor número negativo n tal que 10né um valor válido normalizada do tipo de ponto flutuante
T. Original:
The value of
is a valid normalized value of the floating-point type
std::numeric_limits<T>::min_exponent10 is the lowest negative number n such that 10nis a valid normalized value of the floating-point type
T. The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Especializações padrão
T
|
valor de
std::numeric_limits<T>::min_exponent10 Original: value of std::numeric_limits<T>::min_exponent10 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| /* non-specialized */ | 0
|
bool
|
0
|
char
|
0
|
signed char
|
0
|
unsigned char
|
0
|
wchar_t
|
0
|
char16_t
|
0
|
char32_t
|
0
|
short
|
0
|
unsigned short
|
0
|
int
|
0
|
unsigned int
|
0
|
long
|
0
|
unsigned long
|
0
|
long long
|
0
|
unsigned long long
|
0
|
float
|
FLT_MIN_10_EXP |
double
|
DBL_MIN_10_EXP |
long double
|
LDBL_MIN_10_EXP |
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:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
#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
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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro estático público constante) |
[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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro estático público constante) |
[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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro estático público constante) |