Common mathematical functions

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C
 
数值计算
 
常见的数学函数
功能
Original:
Functions
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基本操作
Original:
Basic operations
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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
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exp
exp2（C99）
expm1（C99）
log
log10
log1p（C99）
log2（C99）
电源的功能
Original:
Power functions
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sqrt
cbrt（C99）
hypot（C99）
pow
三角函数和双曲功能
Original:
Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh（C99）
acosh（C99）
atanh（C99）
错误和伽玛功能
Original:
Error and gamma functions
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erf（C99）
erfc（C99）
lgamma（C99）
tgamma（C99）
最接近的整数，浮点运算
Original:
Nearest integer floating point operations
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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
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ldexp
scalbn
scalbln		（C99）
（C99）
ilogb（C99）
logb（C99）
frexp
modf
nextafter
nexttoward		（C99）
（C99）
copysign（C99）
分类
Original:
Classification
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fpclassify（C99）
isfinite（C99）
isinf（C99）
isnan（C99）
isnormal（C99）
signbit（C99）
宏常量
Original:
Macro constants
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HUGE_VALF
HUGE_VAL
HUGE_VALL		（C99）

（C99）
FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN		（C99）
（C99）
（C99）
（C99）
（C99）
 

目录

[编辑] 功能

Defined in header <math.h>
基本操作
Original:
Basic operations
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（C99）
计算的积分值（|x|）的绝对值
Original:
computes absolute value of an integral value (|x|)
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（函数） [edit]
一个浮点值的绝对值（|x|）
Original:
absolute value of a floating point value (|x|)
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（函数） [edit]



（C99）
商和余数的整数除法
Original:
the quotient and remainder of integer division
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（函数） [edit]
浮点除法运算的剩余部分
Original:
remainder of the floating point division operation
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（函数） [edit]
（C99）
签署剩余的除法运算
Original:
signed remainder of the division operation
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（函数） [edit]
（C99）
签署其余部分以及最后三个位的除法运算
Original:
signed remainder as well as the three last bits of the division operation
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（函数） [edit]
（C99）
乘加操作
Original:
fused multiply-add operation
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（函数） [edit]
（C99）
较大的两个浮点值
Original:
larger of two floating point values
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（函数） [edit]
（C99）
较小的两个浮点值
Original:
smaller of two floating point values
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（函数） [edit]
（C99）
两个浮点值（max(0, x-y)）的积极的影响
Original:
positive difference of two floating point values (max(0, x-y))
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（函数） [edit]
（C99）
（C99）
（C99）
没有一个数字（NaN）
Original:
not-a-number (NaN)
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（函数） [edit]
指数函数
Original:
Exponential functions
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返回“E”提出的功率（ex）
Original:
returns e raised to the given power (ex)
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（函数） [edit]
（C99）
返回“2”提出的功率（2x）
Original:
returns 2 raised to the given power (2x)
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（函数） [edit]
（C99）
返回“E”提出的给定功率，减一（ex-1）
Original:
returns e raised to the given power, minus one (ex-1)
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（函数） [edit]
计算自然（基地“E”）对数（基地“E”）（ln(x)）
Original:
computes natural (base e) logarithm (to base e) (ln(x))
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（函数） [edit]
常见的计算（基地“10”）对数（log10(x)）
Original:
computes common (base 10) logarithm (log10(x))
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（函数） [edit]
（C99）
自然对数（以基地“E”）1加给定数
Original:
natural logarithm (to base e) of 1 plus the given number
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（函数） [edit]
（C99）
基体2的对数的给定数
Original:
base 2 logarithm of the given number
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（函数） [edit]
电源的功能
Original:
Power functions
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计算平方根（√x）
Original:
computes square root (√x)
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（函数） [edit]
（C99）
计算立方米的根（3√x）
Original:
computes cubic root (3√x)
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（函数） [edit]
（C99）
计算两个给定的号码（√x2
+y2
）的平方之和的平方根
Original:
computes square root of the sum of the squares of two given numbers (√x2
+y2
)
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（函数） [edit]
引起了一些给定的功率（xy）
Original:
raises a number to the given power (xy)
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（函数） [edit]
三角函数
Original:
Trigonometric functions
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计算的正弦（sin(x)）
Original:
computes sine (sin(x))
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（函数） [edit]
计算余弦（cos(x)）
Original:
computes cosine (cos(x))
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（函数） [edit]
计算角正切（tan(x)）
Original:
computes tangent (tan(x))
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（函数） [edit]
计算弧的正弦（arcsin(x)）
Original:
computes arc sine (arcsin(x))
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（函数） [edit]
计算反余弦（arccos(x)）
Original:
computes arc cosine (arccos(x))
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（函数） [edit]
计算反正切值（arctan(x)）
Original:
computes arc tangent (arctan(x))
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（函数） [edit]
圆弧相切，使用标志来确定象限
Original:
arc tangent, using signs to determine quadrants
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（函数） [edit]
双曲函数
Original:
Hyperbolic functions
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计算双曲正弦（sh(x)）
Original:
computes hyperbolic sine (sh(x))
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（函数） [edit]
计算双曲余弦（ch(x)）
Original:
computes hyperbolic cosine (ch(x))
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（函数） [edit]
双曲正切
Original:
hyperbolic tangent
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（函数） [edit]
（C99）
双曲反正弦
Original:
hyperbolic arc sine
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（函数） [edit]
（C99）
双曲反余弦值
Original:
hyperbolic arc cosine
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（函数） [edit]
（C99）
双曲反正切
Original:
hyperbolic arc tangent
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（函数） [edit]
错误和伽玛功能
Original:
Error and gamma functions
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（C99）
误差函数
Original:
error function
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（函数） [edit]
（C99）
互补误差函数
Original:
complementary error function
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（函数） [edit]
（C99）
伽玛函数的自然对数
Original:
natural logarithm of the gamma function
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（函数） [edit]
（C99）
伽玛函数
Original:
gamma function
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（函数） [edit]
最接近的整数，浮点运算
Original:
Nearest integer floating point operations
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最接近的整数不小于给定的值
Original:
nearest integer not less than the given value
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（函数） [edit]
最接近的整数不大于给定值
Original:
nearest integer not greater than the given value
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（函数） [edit]
（C99）
最接近的整数的幅值比不大于给定值
Original:
nearest integer not greater in magnitude than the given value
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（函数） [edit]
（C99）
（C99）
（C99）
最接近的整数，四舍五入的距离零中途情况下
Original:
nearest integer, rounding away from zero in halfway cases
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（函数） [edit]
（C99）
最接近的整数，使用当前的舍入模式
Original:
nearest integer using current rounding mode
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（函数） [edit]
（C99）
（C99）
（C99）
最接近的整数
的结果是不同的异常，如果使用当前的舍入模式
Original:
nearest integer using current rounding mode with
exception if the result differs
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（函数） [edit]
浮点操作功能
Original:
Floating point manipulation functions
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分解一个数字，位数和电源2
Original:
decomposes a number into significand and a power of 2
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（函数） [edit]
2次方乘以一个数
Original:
multiplies a number by 2 raised to a power
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（函数） [edit]
分解一个数字的整数部分和小数部分
Original:
decomposes a number into integer and fractional parts
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（函数） [edit]
（C99）
（C99）
FLT_RADIX次方乘以一个数
Original:
multiplies a number by FLT_RADIX raised to a power
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（函数） [edit]
（C99）
提取指数的数量
Original:
extracts exponent of the number
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（函数） [edit]
（C99）
提取指数的数量
Original:
extracts exponent of the number
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（函数） [edit]
（C99）
（C99）
对给定值的下一个可表示的浮点值
Original:
next representable floating point value towards the given value
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（函数） [edit]
（C99）
复制一个浮点值的符号
Original:
copies the sign of a floating point value
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（函数） [edit]
分类
Original:
Classification
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（C99）
分类浮点值
Original:
categorizes the given floating point value
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（函数） [edit]
（C99）
如果给定数量的检查具有有限的价值
Original:
checks if the given number has finite value
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（函数） [edit]
（C99）
检查，如果给定的数目是无限的
Original:
checks if the given number is infinite
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（函数） [edit]
（C99）
检查，如果给定的数字为NaN
Original:
checks if the given number is NaN
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（函数） [edit]
（C99）
检查如果给定的数字是正常的
Original:
checks if the given number is normal
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（函数） [edit]
（C99）
给定数量的检查，如果是否定的
Original:
checks if the given number is negative
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（函数） [edit]

[编辑] 宏常量

Defined in header <math.h>
（C99）

（C99）
表示值大float，doublelong double分别表示（无穷大）
Original:
indicates value too big to be representable (infinity) by float, double and long double respectively
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（宏不变） [edit]
分类
Original:
Classification
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（C99）
（C99）
（C99）
（C99）
（C99）
表示浮点数的类别
Original:
indicates a floating-point category
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（宏不变） [edit]
来自“http://zh.cppreference.com/mwiki/index.php?title=c/numeric/math&oldid=28280”