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Common mathematical functions

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Common mathematical functions

Functions

Basic operations

abs(int)
labs
llabs
imaxabs

(C++11)

abs(float)
fabs

div
ldiv
lldiv
imaxdiv

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)
(C++11)
(C++11)

Exponential functions

(C++11)

(C++11)

(C++11)

(C++11)

Power functions

(C++11)

(C++11)

Trigonometric and hyperbolic functions

(C++11)

(C++11)

(C++11)

Error and gamma functions

(C++11)

(C++11)

(C++11)

(C++11)

Nearest integer floating point operations

round
lround
llround

(C++11)
(C++11)
(C++11)

(C++11)

(C++11)

rint
lrint
llrint

(C++11)
(C++11)
(C++11)

Floating point manipulation functions

(C++11)
(C++11)

(C++11)

(C++11)

nextafter
nexttoward

(C++11)
(C++11)

(C++11)

Classification/Comparison

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

(C++11)

Macro constants

HUGE_VALF
HUGE_VAL
HUGE_VALL

(C++11)

(C++11)

(C++11)

(C++11)

math_errhandling
MATH_ERRNO
MATH_ERREXCEPT

(C++11)

FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN

(C++11)
(C++11)
(C++11)
(C++11)
(C++11)

Contents

1 Functions
2 Types
3 Macro constants
- 3.1 Classification

Functions

Template:cpp/numeric/math/dcl list abs Template:cpp/numeric/math/dcl list fabs Template:cpp/numeric/math/dcl list div Template:cpp/numeric/math/dcl list fmod Template:cpp/numeric/math/dcl list remainder Template:cpp/numeric/math/dcl list remquo Template:cpp/numeric/math/dcl list fma Template:cpp/numeric/math/dcl list fmax Template:cpp/numeric/math/dcl list fmin Template:cpp/numeric/math/dcl list fdim Template:cpp/numeric/math/dcl list fnan Template:cpp/numeric/math/dcl list exp Template:cpp/numeric/math/dcl list exp2 Template:cpp/numeric/math/dcl list expm1 Template:cpp/numeric/math/dcl list log Template:cpp/numeric/math/dcl list log10 Template:cpp/numeric/math/dcl list log1p Template:cpp/numeric/math/dcl list log2 Template:cpp/numeric/math/dcl list sqrt Template:cpp/numeric/math/dcl list cbrt Template:cpp/numeric/math/dcl list hypot Template:cpp/numeric/math/dcl list pow Template:cpp/numeric/math/dcl list sin Template:cpp/numeric/math/dcl list cos Template:cpp/numeric/math/dcl list tan Template:cpp/numeric/math/dcl list asin Template:cpp/numeric/math/dcl list acos Template:cpp/numeric/math/dcl list atan Template:cpp/numeric/math/dcl list atan2 Template:cpp/numeric/math/dcl list sinh Template:cpp/numeric/math/dcl list cosh Template:cpp/numeric/math/dcl list tanh Template:cpp/numeric/math/dcl list asinh Template:cpp/numeric/math/dcl list acosh Template:cpp/numeric/math/dcl list atanh Template:cpp/numeric/math/dcl list erf Template:cpp/numeric/math/dcl list erfc Template:cpp/numeric/math/dcl list lgamma Template:cpp/numeric/math/dcl list tgamma Template:cpp/numeric/math/dcl list ceil Template:cpp/numeric/math/dcl list floor Template:cpp/numeric/math/dcl list trunc Template:cpp/numeric/math/dcl list round Template:cpp/numeric/math/dcl list nearbyint Template:cpp/numeric/math/dcl list rint Template:cpp/numeric/math/dcl list frexp Template:cpp/numeric/math/dcl list ldexp Template:cpp/numeric/math/dcl list modf Template:cpp/numeric/math/dcl list scalbn Template:cpp/numeric/math/dcl list ilogb Template:cpp/numeric/math/dcl list logb Template:cpp/numeric/math/dcl list nextafter Template:cpp/numeric/math/dcl list copysign Template:cpp/numeric/math/dcl list fpclassify Template:cpp/numeric/math/dcl list isfinite Template:cpp/numeric/math/dcl list isinf Template:cpp/numeric/math/dcl list isnan Template:cpp/numeric/math/dcl list isnormal Template:cpp/numeric/math/dcl list signbit Template:cpp/numeric/math/dcl list isgreater Template:cpp/numeric/math/dcl list isgreaterequal Template:cpp/numeric/math/dcl list isless Template:cpp/numeric/math/dcl list islessequal Template:cpp/numeric/math/dcl list islessgreater Template:cpp/numeric/math/dcl list isunordered

Defined in header `<cmath>`
Basic operations
Exponential functions
Power functions
Trigonometric functions
Hyperbolic functions
Error and gamma functions
Nearest integer floating point operations
Floating point manipulation functions
Classification and comparison

Types

Defined in header `<cmath>`

`float_t`	most efficient floating-point type at least as wide as float

`double_t`	most efficient floating-point type at least as wide as double
Defined in header `<cstdlib>`

`div_t`	structure type, return of the std::div function

`ldiv_t`	structure type, return of the std::ldiv function

`lldiv_t`	structure type, return of the std::lldiv function
Defined in header `<cinttypes>`

`imaxdiv_t`	structure type, return of the std::imaxdiv function

Macro constants

Template:cpp/numeric/math/dcl list HUGE VAL} Template:cpp/numeric/math/dcl list math errhandling Template:cpp/numeric/math/dcl list FP categories

Defined in header `<cmath>`

INFINITY (C++11)	evaluates to positive infinity or the value guaranteed to overflow a float (macro constant)

NAN (C++11)	evaluates to a quiet NaN of type float (macro constant)
Classification
Defined in header `<cfloat>`

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