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std::numeric_limits::min_exponent10

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static const int min_exponent10
 (fino al c++11)
static constexpr int min_exponent10
 (dal C++11)
Il valore del std::numeric_limits<T>::min_exponent10 è il più basso numero negativo n tale che 10n
 è un valore valido normalizzato del tipo a virgola mobile 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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[modifica] Specializzazioni standard

T
valore di std::numeric_limits<T>::min_exponent10
Original:
value of std::numeric_limits<T>::min_exponent10
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/* 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

[modifica] Esempio

Vengono illustrate le relazioni di min_exponent, min_exponent10, min, e la radice per il 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';
}

Output: 

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

[modifica] Vedi anche

[statico]
oltre la più piccola potenza negativa della radice che è una valida virgola mobile normalizzato valore uno
Original:
one more than the smallest negative power of the radix that is a valid normalized floating-point value
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(pubblico membro statico costante) [modifica]
[statico]
maggiore della massima potenza intera della radice che è una valida finita valore a virgola mobile uno
Original:
one more than the largest integer power of the radix that is a valid finite floating-point value
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(pubblico membro statico costante) [modifica]
[statico]
la più grande potenza intera di 10 che è un valido finita valore a virgola mobile
Original:
the largest integer power of 10 that is a valid finite floating-point value
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(pubblico membro statico costante) [modifica]
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