Math constants and functions

GreyCat core offers a range of math constants and functions which should be self explanatory and will, therefore only be listed here.

Constants

Constants are accessible via the type MathConstants using the - attribute operator, e.g. MathConstants::e.

The type offers the following constants:

• e: float = 2.7182818284590452354_f
• log_2e: float = 1.4426950408889634074_f
• log_10e: float = 0.43429448190325182765_f
• ln2: float = 0.69314718055994530942_f
• ln10: float = 2.30258509299404568402_f
• pi: float = 3.14159265358979323846_f
• pi_2: float = 1.57079632679489661923_f
• pi_4: float = 0.78539816339744830962_f
• m1_pi: float = 0.31830988618379067154_f
• m2_pi: float = 0.63661977236758134308_f
• m2_sqrt_pi: float = 1.12837916709551257390_f
• sqrt2: float = 1.41421356237309504880_f
• sqrt1_2: float = 0.70710678118654752440_f

Functions

The following math functions are directly accessible in any gcl file without importing another module.

• cos(x: float): float
• sin(x: float): float
• tan(x: float): float
• sqrt(x: float): float
• floor(x: float): float
• ceil(x: float): float
• cosh(x: float): float
• sinh(x: float): float
• tanh(x: float): float
• acos(x: float): float
• asin(x: float): float
• atan(x: float): float
• log(x: float): float
• log2(x: float): float
• log10(x: float): float
• pow(x: float, y: float): float
• trunc(x: float): float
• round(x: float): float
• abs(x: int): int
• min(x: int, y: int): int
• max(x: int, y: int): int
• absf(x: float): float
• minf(x: float, y: float): float
• maxf(x: float, y: float): float
• isNaN(v: float): bool /// return true if v paramater is a NaN, false otherwise.
• roundp(x: float, p: int): float /// round a float value to the closest p floating decimal