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Use libm in Float::{min,max} and in FloatCore
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2 files changed

+113
-250
lines changed

2 files changed

+113
-250
lines changed

‎src/float.rs‎

Lines changed: 105 additions & 249 deletions
Original file line numberDiff line numberDiff line change
@@ -818,6 +818,23 @@ impl FloatCore for f32 {
818818
Self::to_degrees(self) -> Self;
819819
Self::to_radians(self) -> Self;
820820
}
821+
822+
#[cfg(all(not(feature = "std"), feature = "libm"))]
823+
forward! {
824+
libm::floorf as floor(self) -> Self;
825+
libm::ceilf as ceil(self) -> Self;
826+
libm::roundf as round(self) -> Self;
827+
libm::truncf as trunc(self) -> Self;
828+
libm::fabsf as abs(self) -> Self;
829+
libm::fminf as min(self, other: Self) -> Self;
830+
libm::fmaxf as max(self, other: Self) -> Self;
831+
}
832+
833+
#[cfg(all(not(feature = "std"), feature = "libm"))]
834+
#[inline]
835+
fn fract(self) -> Self {
836+
self - libm::truncf(self)
837+
}
821838
}
822839

823840
impl FloatCore for f64 {
@@ -893,6 +910,23 @@ impl FloatCore for f64 {
893910
Self::to_degrees(self) -> Self;
894911
Self::to_radians(self) -> Self;
895912
}
913+
914+
#[cfg(all(not(feature = "std"), feature = "libm"))]
915+
forward! {
916+
libm::floor as floor(self) -> Self;
917+
libm::ceil as ceil(self) -> Self;
918+
libm::round as round(self) -> Self;
919+
libm::trunc as trunc(self) -> Self;
920+
libm::fabs as abs(self) -> Self;
921+
libm::fmin as min(self, other: Self) -> Self;
922+
libm::fmax as max(self, other: Self) -> Self;
923+
}
924+
925+
#[cfg(all(not(feature = "std"), feature = "libm"))]
926+
#[inline]
927+
fn fract(self) -> Self {
928+
self - libm::trunc(self)
929+
}
896930
}
897931

898932
// FIXME: these doctests aren't actually helpful, because they're using and
@@ -1908,7 +1942,7 @@ macro_rules! float_impl_libm {
19081942

19091943
#[inline]
19101944
fn fract(self) -> Self {
1911-
self - FloatCore::trunc(self)
1945+
self - Float::trunc(self)
19121946
}
19131947

19141948
#[inline]
@@ -1929,8 +1963,6 @@ macro_rules! float_impl_libm {
19291963
FloatCore::powi(self, n: i32) -> Self;
19301964
FloatCore::to_degrees(self) -> Self;
19311965
FloatCore::to_radians(self) -> Self;
1932-
FloatCore::max(self, other: Self) -> Self;
1933-
FloatCore::min(self, other: Self) -> Self;
19341966
}
19351967
};
19361968
}
@@ -1981,129 +2013,41 @@ impl Float for f32 {
19812013
fn abs_sub(self, other: Self) -> Self {
19822014
libm::fdimf(self, other)
19832015
}
1984-
#[inline]
1985-
fn floor(self) -> Self {
1986-
libm::floorf(self)
1987-
}
1988-
#[inline]
1989-
fn ceil(self) -> Self {
1990-
libm::ceilf(self)
1991-
}
1992-
#[inline]
1993-
fn round(self) -> Self {
1994-
libm::roundf(self)
1995-
}
1996-
#[inline]
1997-
fn trunc(self) -> Self {
1998-
libm::truncf(self)
1999-
}
2000-
#[inline]
2001-
fn abs(self) -> Self {
2002-
libm::fabsf(self)
2003-
}
2004-
#[inline]
2005-
fn mul_add(self, a: Self, b: Self) -> Self {
2006-
libm::fmaf(self, a, b)
2007-
}
2008-
#[inline]
2009-
fn powf(self, n: Self) -> Self {
2010-
libm::powf(self, n)
2011-
}
2012-
#[inline]
2013-
fn sqrt(self) -> Self {
2014-
libm::sqrtf(self)
2015-
}
2016-
#[inline]
2017-
fn exp(self) -> Self {
2018-
libm::expf(self)
2019-
}
2020-
#[inline]
2021-
fn exp2(self) -> Self {
2022-
libm::exp2f(self)
2023-
}
2024-
#[inline]
2025-
fn ln(self) -> Self {
2026-
libm::logf(self)
2027-
}
2028-
#[inline]
2029-
fn log2(self) -> Self {
2030-
libm::log2f(self)
2031-
}
2032-
#[inline]
2033-
fn log10(self) -> Self {
2034-
libm::log10f(self)
2035-
}
2036-
#[inline]
2037-
fn cbrt(self) -> Self {
2038-
libm::cbrtf(self)
2039-
}
2040-
#[inline]
2041-
fn hypot(self, other: Self) -> Self {
2042-
libm::hypotf(self, other)
2043-
}
2044-
#[inline]
2045-
fn sin(self) -> Self {
2046-
libm::sinf(self)
2047-
}
2048-
#[inline]
2049-
fn cos(self) -> Self {
2050-
libm::cosf(self)
2051-
}
2052-
#[inline]
2053-
fn tan(self) -> Self {
2054-
libm::tanf(self)
2055-
}
2056-
#[inline]
2057-
fn asin(self) -> Self {
2058-
libm::asinf(self)
2059-
}
2060-
#[inline]
2061-
fn acos(self) -> Self {
2062-
libm::acosf(self)
2063-
}
2064-
#[inline]
2065-
fn atan(self) -> Self {
2066-
libm::atanf(self)
2067-
}
2068-
#[inline]
2069-
fn atan2(self, other: Self) -> Self {
2070-
libm::atan2f(self, other)
2071-
}
2072-
#[inline]
2073-
fn sin_cos(self) -> (Self, Self) {
2074-
libm::sincosf(self)
2075-
}
2076-
#[inline]
2077-
fn exp_m1(self) -> Self {
2078-
libm::expm1f(self)
2079-
}
2080-
#[inline]
2081-
fn ln_1p(self) -> Self {
2082-
libm::log1pf(self)
2083-
}
2084-
#[inline]
2085-
fn sinh(self) -> Self {
2086-
libm::sinhf(self)
2087-
}
2088-
#[inline]
2089-
fn cosh(self) -> Self {
2090-
libm::coshf(self)
2091-
}
2092-
#[inline]
2093-
fn tanh(self) -> Self {
2094-
libm::tanhf(self)
2095-
}
2096-
#[inline]
2097-
fn asinh(self) -> Self {
2098-
libm::asinhf(self)
2099-
}
2100-
#[inline]
2101-
fn acosh(self) -> Self {
2102-
libm::acoshf(self)
2103-
}
2104-
#[inline]
2105-
fn atanh(self) -> Self {
2106-
libm::atanhf(self)
2016+
2017+
forward! {
2018+
libm::floorf as floor(self) -> Self;
2019+
libm::ceilf as ceil(self) -> Self;
2020+
libm::roundf as round(self) -> Self;
2021+
libm::truncf as trunc(self) -> Self;
2022+
libm::fabsf as abs(self) -> Self;
2023+
libm::fmaf as mul_add(self, a: Self, b: Self) -> Self;
2024+
libm::powf as powf(self, n: Self) -> Self;
2025+
libm::sqrtf as sqrt(self) -> Self;
2026+
libm::expf as exp(self) -> Self;
2027+
libm::exp2f as exp2(self) -> Self;
2028+
libm::logf as ln(self) -> Self;
2029+
libm::log2f as log2(self) -> Self;
2030+
libm::log10f as log10(self) -> Self;
2031+
libm::cbrtf as cbrt(self) -> Self;
2032+
libm::hypotf as hypot(self, other: Self) -> Self;
2033+
libm::sinf as sin(self) -> Self;
2034+
libm::cosf as cos(self) -> Self;
2035+
libm::tanf as tan(self) -> Self;
2036+
libm::asinf as asin(self) -> Self;
2037+
libm::acosf as acos(self) -> Self;
2038+
libm::atanf as atan(self) -> Self;
2039+
libm::atan2f as atan2(self, other: Self) -> Self;
2040+
libm::sincosf as sin_cos(self) -> (Self, Self);
2041+
libm::expm1f as exp_m1(self) -> Self;
2042+
libm::log1pf as ln_1p(self) -> Self;
2043+
libm::sinhf as sinh(self) -> Self;
2044+
libm::coshf as cosh(self) -> Self;
2045+
libm::tanhf as tanh(self) -> Self;
2046+
libm::asinhf as asinh(self) -> Self;
2047+
libm::acoshf as acosh(self) -> Self;
2048+
libm::atanhf as atanh(self) -> Self;
2049+
libm::fmaxf as max(self, other: Self) -> Self;
2050+
libm::fminf as min(self, other: Self) -> Self;
21072051
}
21082052
}
21092053

@@ -2116,129 +2060,41 @@ impl Float for f64 {
21162060
fn abs_sub(self, other: Self) -> Self {
21172061
libm::fdim(self, other)
21182062
}
2119-
#[inline]
2120-
fn floor(self) -> Self {
2121-
libm::floor(self)
2122-
}
2123-
#[inline]
2124-
fn ceil(self) -> Self {
2125-
libm::ceil(self)
2126-
}
2127-
#[inline]
2128-
fn round(self) -> Self {
2129-
libm::round(self)
2130-
}
2131-
#[inline]
2132-
fn trunc(self) -> Self {
2133-
libm::trunc(self)
2134-
}
2135-
#[inline]
2136-
fn abs(self) -> Self {
2137-
libm::fabs(self)
2138-
}
2139-
#[inline]
2140-
fn mul_add(self, a: Self, b: Self) -> Self {
2141-
libm::fma(self, a, b)
2142-
}
2143-
#[inline]
2144-
fn powf(self, n: Self) -> Self {
2145-
libm::pow(self, n)
2146-
}
2147-
#[inline]
2148-
fn sqrt(self) -> Self {
2149-
libm::sqrt(self)
2150-
}
2151-
#[inline]
2152-
fn exp(self) -> Self {
2153-
libm::exp(self)
2154-
}
2155-
#[inline]
2156-
fn exp2(self) -> Self {
2157-
libm::exp2(self)
2158-
}
2159-
#[inline]
2160-
fn ln(self) -> Self {
2161-
libm::log(self)
2162-
}
2163-
#[inline]
2164-
fn log2(self) -> Self {
2165-
libm::log2(self)
2166-
}
2167-
#[inline]
2168-
fn log10(self) -> Self {
2169-
libm::log10(self)
2170-
}
2171-
#[inline]
2172-
fn cbrt(self) -> Self {
2173-
libm::cbrt(self)
2174-
}
2175-
#[inline]
2176-
fn hypot(self, other: Self) -> Self {
2177-
libm::hypot(self, other)
2178-
}
2179-
#[inline]
2180-
fn sin(self) -> Self {
2181-
libm::sin(self)
2182-
}
2183-
#[inline]
2184-
fn cos(self) -> Self {
2185-
libm::cos(self)
2186-
}
2187-
#[inline]
2188-
fn tan(self) -> Self {
2189-
libm::tan(self)
2190-
}
2191-
#[inline]
2192-
fn asin(self) -> Self {
2193-
libm::asin(self)
2194-
}
2195-
#[inline]
2196-
fn acos(self) -> Self {
2197-
libm::acos(self)
2198-
}
2199-
#[inline]
2200-
fn atan(self) -> Self {
2201-
libm::atan(self)
2202-
}
2203-
#[inline]
2204-
fn atan2(self, other: Self) -> Self {
2205-
libm::atan2(self, other)
2206-
}
2207-
#[inline]
2208-
fn sin_cos(self) -> (Self, Self) {
2209-
libm::sincos(self)
2210-
}
2211-
#[inline]
2212-
fn exp_m1(self) -> Self {
2213-
libm::expm1(self)
2214-
}
2215-
#[inline]
2216-
fn ln_1p(self) -> Self {
2217-
libm::log1p(self)
2218-
}
2219-
#[inline]
2220-
fn sinh(self) -> Self {
2221-
libm::sinh(self)
2222-
}
2223-
#[inline]
2224-
fn cosh(self) -> Self {
2225-
libm::cosh(self)
2226-
}
2227-
#[inline]
2228-
fn tanh(self) -> Self {
2229-
libm::tanh(self)
2230-
}
2231-
#[inline]
2232-
fn asinh(self) -> Self {
2233-
libm::asinh(self)
2234-
}
2235-
#[inline]
2236-
fn acosh(self) -> Self {
2237-
libm::acosh(self)
2238-
}
2239-
#[inline]
2240-
fn atanh(self) -> Self {
2241-
libm::atanh(self)
2063+
2064+
forward! {
2065+
libm::floor as floor(self) -> Self;
2066+
libm::ceil as ceil(self) -> Self;
2067+
libm::round as round(self) -> Self;
2068+
libm::trunc as trunc(self) -> Self;
2069+
libm::fabs as abs(self) -> Self;
2070+
libm::fma as mul_add(self, a: Self, b: Self) -> Self;
2071+
libm::pow as powf(self, n: Self) -> Self;
2072+
libm::sqrt as sqrt(self) -> Self;
2073+
libm::exp as exp(self) -> Self;
2074+
libm::exp2 as exp2(self) -> Self;
2075+
libm::log as ln(self) -> Self;
2076+
libm::log2 as log2(self) -> Self;
2077+
libm::log10 as log10(self) -> Self;
2078+
libm::cbrt as cbrt(self) -> Self;
2079+
libm::hypot as hypot(self, other: Self) -> Self;
2080+
libm::sin as sin(self) -> Self;
2081+
libm::cos as cos(self) -> Self;
2082+
libm::tan as tan(self) -> Self;
2083+
libm::asin as asin(self) -> Self;
2084+
libm::acos as acos(self) -> Self;
2085+
libm::atan as atan(self) -> Self;
2086+
libm::atan2 as atan2(self, other: Self) -> Self;
2087+
libm::sincos as sin_cos(self) -> (Self, Self);
2088+
libm::expm1 as exp_m1(self) -> Self;
2089+
libm::log1p as ln_1p(self) -> Self;
2090+
libm::sinh as sinh(self) -> Self;
2091+
libm::cosh as cosh(self) -> Self;
2092+
libm::tanh as tanh(self) -> Self;
2093+
libm::asinh as asinh(self) -> Self;
2094+
libm::acosh as acosh(self) -> Self;
2095+
libm::atanh as atanh(self) -> Self;
2096+
libm::fmax as max(self, other: Self) -> Self;
2097+
libm::fmin as min(self, other: Self) -> Self;
22422098
}
22432099
}
22442100

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