nextafter, nexttoward

来自cppreference.com
< c | numeric | math

 
 
 
常见的数学函数
功能
Original:
Functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
基本操作
Original:
Basic operations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
remainder(C99)
remquo(C99)
fma(C99)
fmax(C99)
fmin(C99)
fdim(C99)
nan
nanf
nanl
(C99)
(C99)
(C99)
指数函数
Original:
Exponential functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
电源的功能
Original:
Power functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
sqrt
cbrt(C99)
hypot(C99)
pow
三角函数和双曲功能
Original:
Trigonometric and hyperbolic functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
sinh
cosh
tanh
asinh(C99)
acosh(C99)
atanh(C99)
错误和伽玛功能
Original:
Error and gamma functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
erf(C99)
erfc(C99)
lgamma(C99)
tgamma(C99)
最接近的整数,浮点运算
Original:
Nearest integer floating point operations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
ceil
floor
round
lround
llround
(C99)
(C99)
(C99)
trunc(C99)
nearbyint(C99)
rint
lrint
llrint
(C99)
(C99)
(C99)
浮点操作功能
Original:
Floating point manipulation functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
frexp
modf
nextafter
nexttoward
(C99)
(C99)
copysign(C99)
分类
Original:
Classification
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
宏常量
Original:
Macro constants
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
HUGE_VALF
HUGE_VAL
HUGE_VALL
(C99)

(C99)
FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
(C99)
(C99)
(C99)
(C99)
(C99)
 
Defined in header <math.h>
float       nextafterf( float from, float to );
(C99 起)
double      nextafter( double from, double to );
(C99 起)
long double nextafterl( long double from, long double to );
(C99 起)
float       nexttowardf( float from, long double to );
(C99 起)
double      nexttoward( double from, long double to );
(C99 起)
long double nexttowardl( long double from, long double to );
(C99 起)
返回下一个可表示的值的fromto的方向。 from等于toto返回.
Original:
Returns the next representable value of from in the direction of to. If from equals to to, to is returned.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

目录

[编辑] 参数

from, to -
浮点值
Original:
floating point values
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[编辑] 返回值

下一个可表示的值的from的方向的to
Original:
The next representable value of from in the direction of to.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[编辑] 为例

[编辑] 另请参阅

C++ documentation for nextafter