Module std::f64::consts
Various useful constants.
Statics
pub static E: f64 = 2.71828182845904523536028747135266250_f64 |
Euler's number |
pub static FRAC_1_PI: f64 = 0.318309886183790671537767526745028724_f64 |
1.0/pi |
pub static FRAC_1_SQRT2: f64 = 0.707106781186547524400844362104849039_f64 |
1.0/sqrt(2.0) |
pub static FRAC_2_PI: f64 = 0.636619772367581343075535053490057448_f64 |
2.0/pi |
pub static FRAC_2_SQRTPI: f64 = 1.12837916709551257389615890312154517_f64 |
2.0/sqrt(pi) |
pub static FRAC_PI_2: f64 = 1.57079632679489661923132169163975144_f64 |
pi/2.0 |
pub static FRAC_PI_4: f64 = 0.785398163397448309615660845819875721_f64 |
pi/4.0 |
pub static LN_10: f64 = 2.30258509299404568401799145468436421_f64 |
ln(10.0) |
pub static LN_2: f64 = 0.693147180559945309417232121458176568_f64 |
ln(2.0) |
pub static LOG10_E: f64 = 0.434294481903251827651128918916605082_f64 |
log10(e) |
pub static LOG2_E: f64 = 1.44269504088896340735992468100189214_f64 |
log2(e) |
pub static PI: f64 = 3.14159265358979323846264338327950288_f64 |
Archimedes' constant |
pub static SQRT2: f64 = 1.41421356237309504880168872420969808_f64 |
sqrt(2.0) |