cmath (math.h) c++

C numerics library

cmath declares a set of functions to compute common mathematical operations and transformations:

Trigonometric functions:

cos	Compute cosine (function)

sin	Compute sine (function)

tan	Compute tangent (function)

acos	Compute arc cosine (function)

asin	Compute arc sine (function)

atan	Compute arc tangent (function)

atan2

Compute arc tangent with two parameters (function)

Hyperbolic functions:

cosh	Compute hyperbolic cosine (function)

sinh	Compute hyperbolic sine (function)

tanh	Compute hyperbolic tangent (function)

Exponential and logarithmic functions:

exp	Compute exponential function (function)

frexp

Get significand and exponent (function)

ldexp

Generate number from significand and exponent (function)

log	Compute natural logarithm (function)

log10

Compute common logarithm (function)

modf	Break into fractional and integral parts (function)

Power functions

pow	Raise to power (function)

sqrt	Compute square root (function)

Rounding, absolute value and remainder functions:

ceil	Round up value (function)

fabs	Compute absolute value (function)

floor

Round down value (function)

fmod

Compute remainder of division (function)

http://www.cplusplus.com/reference/clibrary/cmath/

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