Extension

rmath.constants

Mathematical and machine-precision constants as module-level attributes.

example.py

import rmath.constants as rc

circumference = 2 * rc.PI * radius
print(rc.E)       # 2.718281828459045
print(rc.PHI)     # 1.618033988749895

Mathematical Constants

Name	Value	Description
`PI`	3.14159…	π — ratio of circumference to diameter
`TAU`	6.28318…	τ = 2π — full circle constant
`E`	2.71828…	Euler's number — base of natural logarithm
`PHI`	1.61803…	Golden ratio (1 + √5) / 2
`SQRT_2`	1.41421…	√2
`SQRT_3`	1.73205…	√3
`SQRT_5`	2.23606…	√5
`SQRT_1_2`	0.70710…	1/√2 = √2/2
`LN_2`	0.69314…	ln(2)
`LN_10`	2.30258…	ln(10)
`LOG2_E`	1.44269…	log₂(e)
`LOG10_E`	0.43429…	log₁₀(e)

Name	Description
`EPSILON_F32`	Machine epsilon for 32-bit float (~1.19×10⁻⁷)
`EPSILON_F64`	Machine epsilon for 64-bit float (~2.22×10⁻¹⁶)
`MAX_F32`	Maximum representable f32
`MAX_F64`	Maximum representable f64
`MIN_POSITIVE_F64`	Smallest positive f64
`INF`	Positive infinity
`NEG_INF`	Negative infinity
`NAN`	Not-a-Number