
(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) m))
double code(double m, double v) {
return (((m * (1.0 - m)) / v) - 1.0) * m;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = (((m * (1.0d0 - m)) / v) - 1.0d0) * m
end function
public static double code(double m, double v) {
return (((m * (1.0 - m)) / v) - 1.0) * m;
}
def code(m, v): return (((m * (1.0 - m)) / v) - 1.0) * m
function code(m, v) return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * m) end
function tmp = code(m, v) tmp = (((m * (1.0 - m)) / v) - 1.0) * m; end
code[m_, v_] := N[(N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] - 1.0), $MachinePrecision] * m), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) m))
double code(double m, double v) {
return (((m * (1.0 - m)) / v) - 1.0) * m;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = (((m * (1.0d0 - m)) / v) - 1.0d0) * m
end function
public static double code(double m, double v) {
return (((m * (1.0 - m)) / v) - 1.0) * m;
}
def code(m, v): return (((m * (1.0 - m)) / v) - 1.0) * m
function code(m, v) return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * m) end
function tmp = code(m, v) tmp = (((m * (1.0 - m)) / v) - 1.0) * m; end
code[m_, v_] := N[(N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] - 1.0), $MachinePrecision] * m), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m
\end{array}
(FPCore (m v) :precision binary64 (fma (* m (/ (- 1.0 m) v)) m (- m)))
double code(double m, double v) {
return fma((m * ((1.0 - m) / v)), m, -m);
}
function code(m, v) return fma(Float64(m * Float64(Float64(1.0 - m) / v)), m, Float64(-m)) end
code[m_, v_] := N[(N[(m * N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision] * m + (-m)), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(m \cdot \frac{1 - m}{v}, m, -m\right)
\end{array}
Initial program 99.8%
*-commutative99.8%
sub-neg99.8%
associate-*l/99.8%
metadata-eval99.8%
Simplified99.8%
distribute-rgt-in99.8%
fma-def99.8%
associate-/r/99.8%
div-inv99.8%
clear-num99.8%
neg-mul-199.8%
Applied egg-rr99.8%
Final simplification99.8%
(FPCore (m v) :precision binary64 (if (or (<= m 8.2e-193) (not (<= m 1.0))) (- m) (* m (/ m v))))
double code(double m, double v) {
double tmp;
if ((m <= 8.2e-193) || !(m <= 1.0)) {
tmp = -m;
} else {
tmp = m * (m / v);
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if ((m <= 8.2d-193) .or. (.not. (m <= 1.0d0))) then
tmp = -m
else
tmp = m * (m / v)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if ((m <= 8.2e-193) || !(m <= 1.0)) {
tmp = -m;
} else {
tmp = m * (m / v);
}
return tmp;
}
def code(m, v): tmp = 0 if (m <= 8.2e-193) or not (m <= 1.0): tmp = -m else: tmp = m * (m / v) return tmp
function code(m, v) tmp = 0.0 if ((m <= 8.2e-193) || !(m <= 1.0)) tmp = Float64(-m); else tmp = Float64(m * Float64(m / v)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if ((m <= 8.2e-193) || ~((m <= 1.0))) tmp = -m; else tmp = m * (m / v); end tmp_2 = tmp; end
code[m_, v_] := If[Or[LessEqual[m, 8.2e-193], N[Not[LessEqual[m, 1.0]], $MachinePrecision]], (-m), N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 8.2 \cdot 10^{-193} \lor \neg \left(m \leq 1\right):\\
\;\;\;\;-m\\
\mathbf{else}:\\
\;\;\;\;m \cdot \frac{m}{v}\\
\end{array}
\end{array}
if m < 8.20000000000000005e-193 or 1 < m Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-*l/99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 23.5%
neg-mul-123.5%
Simplified23.5%
if 8.20000000000000005e-193 < m < 1Initial program 99.6%
Taylor expanded in m around 0 93.0%
Taylor expanded in m around inf 65.2%
Final simplification35.1%
(FPCore (m v) :precision binary64 (if (<= m 3.7e-13) (* m (+ (/ m v) -1.0)) (* m (* (- 1.0 m) (/ m v)))))
double code(double m, double v) {
double tmp;
if (m <= 3.7e-13) {
tmp = m * ((m / v) + -1.0);
} else {
tmp = m * ((1.0 - m) * (m / v));
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 3.7d-13) then
tmp = m * ((m / v) + (-1.0d0))
else
tmp = m * ((1.0d0 - m) * (m / v))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 3.7e-13) {
tmp = m * ((m / v) + -1.0);
} else {
tmp = m * ((1.0 - m) * (m / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 3.7e-13: tmp = m * ((m / v) + -1.0) else: tmp = m * ((1.0 - m) * (m / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 3.7e-13) tmp = Float64(m * Float64(Float64(m / v) + -1.0)); else tmp = Float64(m * Float64(Float64(1.0 - m) * Float64(m / v))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 3.7e-13) tmp = m * ((m / v) + -1.0); else tmp = m * ((1.0 - m) * (m / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 3.7e-13], N[(m * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(m * N[(N[(1.0 - m), $MachinePrecision] * N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 3.7 \cdot 10^{-13}:\\
\;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(\left(1 - m\right) \cdot \frac{m}{v}\right)\\
\end{array}
\end{array}
if m < 3.69999999999999989e-13Initial program 99.7%
Taylor expanded in m around 0 99.4%
if 3.69999999999999989e-13 < m Initial program 99.9%
sub-neg99.9%
div-inv99.9%
associate-*l*99.9%
div-inv99.9%
metadata-eval99.9%
Applied egg-rr99.9%
Taylor expanded in v around 0 99.5%
associate-/l*99.5%
associate-/r/99.5%
Simplified99.5%
Final simplification99.4%
(FPCore (m v) :precision binary64 (if (<= m 1.0) (* m (+ (/ m v) -1.0)) (- m)))
double code(double m, double v) {
double tmp;
if (m <= 1.0) {
tmp = m * ((m / v) + -1.0);
} else {
tmp = -m;
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 1.0d0) then
tmp = m * ((m / v) + (-1.0d0))
else
tmp = -m
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1.0) {
tmp = m * ((m / v) + -1.0);
} else {
tmp = -m;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.0: tmp = m * ((m / v) + -1.0) else: tmp = -m return tmp
function code(m, v) tmp = 0.0 if (m <= 1.0) tmp = Float64(m * Float64(Float64(m / v) + -1.0)); else tmp = Float64(-m); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.0) tmp = m * ((m / v) + -1.0); else tmp = -m; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.0], N[(m * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;-m\\
\end{array}
\end{array}
if m < 1Initial program 99.6%
Taylor expanded in m around 0 95.6%
if 1 < m Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-*l/99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 5.5%
neg-mul-15.5%
Simplified5.5%
Final simplification46.7%
(FPCore (m v) :precision binary64 (* m (+ (* (- 1.0 m) (/ m v)) -1.0)))
double code(double m, double v) {
return m * (((1.0 - m) * (m / v)) + -1.0);
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = m * (((1.0d0 - m) * (m / v)) + (-1.0d0))
end function
public static double code(double m, double v) {
return m * (((1.0 - m) * (m / v)) + -1.0);
}
def code(m, v): return m * (((1.0 - m) * (m / v)) + -1.0)
function code(m, v) return Float64(m * Float64(Float64(Float64(1.0 - m) * Float64(m / v)) + -1.0)) end
function tmp = code(m, v) tmp = m * (((1.0 - m) * (m / v)) + -1.0); end
code[m_, v_] := N[(m * N[(N[(N[(1.0 - m), $MachinePrecision] * N[(m / v), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
m \cdot \left(\left(1 - m\right) \cdot \frac{m}{v} + -1\right)
\end{array}
Initial program 99.8%
*-commutative99.8%
sub-neg99.8%
associate-*l/99.8%
metadata-eval99.8%
Simplified99.8%
Final simplification99.8%
(FPCore (m v) :precision binary64 (- m))
double code(double m, double v) {
return -m;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = -m
end function
public static double code(double m, double v) {
return -m;
}
def code(m, v): return -m
function code(m, v) return Float64(-m) end
function tmp = code(m, v) tmp = -m; end
code[m_, v_] := (-m)
\begin{array}{l}
\\
-m
\end{array}
Initial program 99.8%
*-commutative99.8%
sub-neg99.8%
associate-*l/99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in m around 0 23.1%
neg-mul-123.1%
Simplified23.1%
Final simplification23.1%
herbie shell --seed 2024026
(FPCore (m v)
:name "a parameter of renormalized beta distribution"
:precision binary64
:pre (and (and (< 0.0 m) (< 0.0 v)) (< v 0.25))
(* (- (/ (* m (- 1.0 m)) v) 1.0) m))