rust/src/libcore/f64.rs

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/*
Module: f64
Floating point operations and constants for `f64`s
This exposes the same operations as `math`, just for `f64` even though
they do not show up in the docs right now!
*/
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export t;
export
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acos,
asin,
atan,
atan2,
cbrt,
ceil,
cos,
cosh,
erf,
erfc,
exp,
expm1,
exp2,
abs,
sub_pos,
floor,
mul_add,
fmax,
fmin,
nextafter,
frexp,
hypot,
ldexp,
lgamma,
ln,
logb,
ln1p,
log10,
log2,
ilogb,
modf,
pow,
rem,
rint,
round,
sin,
sinh,
sqrt,
tan,
tanh,
tgamma,
trunc;
export consts;
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export radix, mantissa_digits, digits, epsilon, min_value, max_value,
min_exp, max_exp, min_10_exp, max_10_exp;
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// PORT
import cops = cmath::c_double;
type t = f64;
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import
cops::acos,
cops::asin,
cops::atan,
cops::atan2,
cops::cbrt,
cops::ceil,
cops::cos,
cops::cosh,
cops::erf,
cops::erfc,
cops::exp,
cops::expm1,
cops::exp2,
cops::abs,
cops::sub_pos,
cops::floor,
cops::mul_add,
cops::max,
cops::min,
cops::nextafter,
cops::fmod,
cops::frexp,
cops::hypot,
cops::ldexp,
cops::lgamma,
cops::ln,
cops::logb,
cops::ln1p,
cops::log10,
cops::log2,
cops::ilogb,
cops::modf,
cops::pow,
cops::rem,
cops::rint,
cops::round,
cops::sin,
cops::sinh,
cops::sqrt,
cops::tan,
cops::tanh,
cops::tgamma,
cops::trunc;
/* Module: consts */
mod consts {
/*
Const: pi
Archimedes' constant
*/
const pi: f64 = 3.14159265358979323846264338327950288f64;
/*
Const: frac_pi_2
pi/2.0
*/
const frac_pi_2: f64 = 1.57079632679489661923132169163975144f64;
/*
Const: frac_pi_4
pi/4.0
*/
const frac_pi_4: f64 = 0.785398163397448309615660845819875721f64;
/*
Const: frac_1_pi
1.0/pi
*/
const frac_1_pi: f64 = 0.318309886183790671537767526745028724f64;
/*
Const: frac_2_pi
2.0/pi
*/
const frac_2_pi: f64 = 0.636619772367581343075535053490057448f64;
/*
Const: frac_2_sqrtpi
2.0/sqrt(pi)
*/
const frac_2_sqrtpi: f64 = 1.12837916709551257389615890312154517f64;
/*
Const: sqrt2
sqrt(2.0)
*/
const sqrt2: f64 = 1.41421356237309504880168872420969808f64;
/*
Const: frac_1_sqrt2
1.0/sqrt(2.0)
*/
const frac_1_sqrt2: f64 = 0.707106781186547524400844362104849039f64;
/*
Const: e
Euler's number
*/
const e: f64 = 2.71828182845904523536028747135266250f64;
/*
Const: log2_e
log2(e)
*/
const log2_e: f64 = 1.44269504088896340735992468100189214f64;
/*
Const: log10_e
log10(e)
*/
const log10_e: f64 = 0.434294481903251827651128918916605082f64;
/*
Const: ln_2
ln(2.0)
*/
const ln_2: f64 = 0.693147180559945309417232121458176568f64;
/*
Const: ln_10
ln(10.0)
*/
const ln_10: f64 = 2.30258509299404568401799145468436421f64;
}
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// These are not defined inside consts:: for consistency with
// the integer types
// PORT check per architecture
const radix: uint = 2u;
const mantissa_digits: uint = 53u;
const digits: uint = 15u;
const epsilon: f64 = 2.2204460492503131e-16f64;
const min_value: f64 = 2.2250738585072014e-308f64;
const max_value: f64 = 1.7976931348623157e+308f64;
const min_exp: int = -1021;
const max_exp: int = 1024;
const min_10_exp: int = -307;
const max_10_exp: int = 308;
//
// Local Variables:
// mode: rust
// fill-column: 78;
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// End:
//