std::isfinite 定义于头文件<cmath> boolisfinite(floatarg); (1)(C++11 起) boolisfinite(doublearg); (2)(C++11 起) boolisfinite(longdoublearg); (3)(C++11 起) boolisfinite(IntegralType arg); (4)(C++11 起) 1-3)确定给定的浮点数arg是否拥有有限值,即它是正规、非正规或零,但不是无穷...
std::isfinite 定义于头文件<cmath> boolisfinite(floatarg); (1)(C++11 起) boolisfinite(doublearg); (2)(C++11 起) boolisfinite(longdoublearg); (3)(C++11 起) boolisfinite(IntegralType arg); (4)(C++11 起) 1-3)确定给定的浮点数arg是否拥有有限值,即它是正规、非正规或零,但不是无穷...
定义于头文件 <cmath> bool isfinite( float arg ); (1) (C++11 起) bool isfinite( double arg ); (2) (C++11 起) bool isfinite( long double arg ); (3) (C++11 起) bool isfinite( IntegralType arg ); (4) (C++11 起) 1-3) 确定给定的浮点数 arg 是否拥有有限值,即它是正规、...
std::isfinite std::isfinite Defined in header <cmath> bool isfinite( float arg ); (1) (since C++11) bool isfinite( double arg ); (2) (since C++11) bool isfinite( long double arg ); (3) (since C++11) bool isfinite( Integral arg ); (4) (since C++11) 1-3%29...
const int __ret = std::vsnprintf(__out, __size, __fmt, __args); <-- no member named vsnprintf in namespace std (in file c++locale.h) return (std::isfinite(x) != 0); <-- Expected unqualified-id (in file cmath_wrap.hpp) Run Code Online (Sandbox Code Playgroud) 我认为...
isfinite(a) && isfinite(b) 时,保证下列属性: 若t == 0 ,则结果等于 a; 若t == 1 ,则结果等于 b; 若t >= 0 && t <= 1 ,则结果有限; 若isfinite(t) && a == b ,则结果等于 a; 若isfinite(t) || (!isnan(t) && b-a != 0) ,则结果非 NaN。
isfinite (C++11) checks if the given number has finite value (function) isinf (C++11) checks if the given number is infinite (function) isnan (C++11) checks if the given number is NaN (function) isnormal (C++11) checks if the given number is normal (function) numeric_limits provides ...
std::fpclassify 定义于头文件<cmath> intfpclassify(floatarg); (1)(C++11 起) intfpclassify(doublearg); (2)(C++11 起) intfpclassify(longdoublearg); (3)(C++11 起) intfpclassify(IntegralType arg); (4)(C++11 起) 1-3)归类浮点值arg到下列类别中:零、非正规、正规、无穷大、 NaN 或实现定义...
std::isfinite std::isgreater std::isgreaterequal std::isinf std::isless std::islessequal std::islessgreater std::isnan std::isnormal std::isunordered std::labs std::laguerre std::laguerref std::laguerrel std::lcm std::ldexp std::ldiv std::legendre std::legendref std::legendrel st...
isfinite(a) && isfinite(b) 时,保证下列属性: 若t == 0 ,则结果等于 a; 若t == 1 ,则结果等于 b; 若t >= 0 && t <= 1 ,则结果有限; 若isfinite(t) && a == b ,则结果等于 a; 若isfinite(t) || (!isnan(t) && b-a != 0) ,则结果非 NaN。