Mathematical functions are as follows.
Table 7.13
Mathematical Functions
Function/Macro Name
Outline
acos functions
Arc cosine
asin functions
Arc sine
atan functions
Arc tangent
atan2 functions
Arc tangent (y / x)
cos functions
Cosine
sin functions
Sine
tan functions
Tangent
cosh functions
Hyperbolic cosine
sinh functions
Hyperbolic sine
tanh functions
Hyperbolic tangent
exp functions
Exponent function
frexp functions
Divide floating-point number into mantissa and power
ldexp functions
Convert floating-point number to power
log functions
Logarithmic function (natural logarithm)
log10 functions
Logarithmic function (base = 10)
modf functions
Divide floating-point number into integer and decimal
fabs functions
Absolute value function
pow functions
Power function
sqrt functions
Square root function
ceil functions
ceiling function
floor functions
floor function
round functions [V2.01.00 or later]
Rounds a floating-point number to the nearest integer in the floating-point representation
lround functions and llround functions [V2.01.00 or later]
Rounds a floating-point number to the nearest integer
trunc functions [V2.01.00 or later]
fmod functions
Remainder function
copysign functions [V2.00.00 or later]
Combine sign and absolute value
fmax functions [V2.00.00 or later]
Choose a greater value
fmin functions [V2.00.00 or later]
Choose a less value