
(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 10 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 (* m (fma (- 1.0 m) (/ m v) -1.0)))
double code(double m, double v) {
return m * fma((1.0 - m), (m / v), -1.0);
}
function code(m, v) return Float64(m * fma(Float64(1.0 - m), Float64(m / v), -1.0)) end
code[m_, v_] := N[(m * N[(N[(1.0 - m), $MachinePrecision] * N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
m \cdot \mathsf{fma}\left(1 - m, \frac{m}{v}, -1\right)
\end{array}
Initial program 99.8%
*-commutative99.8%
*-commutative99.8%
associate-/l*99.9%
fma-neg99.9%
metadata-eval99.9%
Simplified99.9%
(FPCore (m v) :precision binary64 (if (<= m 3.1e-143) (- m) (if (<= m 1.0) (/ m (/ v m)) (* m (- 1.0 (/ m v))))))
double code(double m, double v) {
double tmp;
if (m <= 3.1e-143) {
tmp = -m;
} else if (m <= 1.0) {
tmp = m / (v / m);
} else {
tmp = m * (1.0 - (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 <= 3.1d-143) then
tmp = -m
else if (m <= 1.0d0) then
tmp = m / (v / m)
else
tmp = m * (1.0d0 - (m / v))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 3.1e-143) {
tmp = -m;
} else if (m <= 1.0) {
tmp = m / (v / m);
} else {
tmp = m * (1.0 - (m / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 3.1e-143: tmp = -m elif m <= 1.0: tmp = m / (v / m) else: tmp = m * (1.0 - (m / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 3.1e-143) tmp = Float64(-m); elseif (m <= 1.0) tmp = Float64(m / Float64(v / m)); else tmp = Float64(m * Float64(1.0 - Float64(m / v))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 3.1e-143) tmp = -m; elseif (m <= 1.0) tmp = m / (v / m); else tmp = m * (1.0 - (m / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 3.1e-143], (-m), If[LessEqual[m, 1.0], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], N[(m * N[(1.0 - N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 3.1 \cdot 10^{-143}:\\
\;\;\;\;-m\\
\mathbf{elif}\;m \leq 1:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(1 - \frac{m}{v}\right)\\
\end{array}
\end{array}
if m < 3.10000000000000007e-143Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 75.4%
neg-mul-175.4%
Simplified75.4%
if 3.10000000000000007e-143 < m < 1Initial program 99.6%
*-commutative99.6%
sub-neg99.6%
associate-/l*99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in v around 0 99.7%
Taylor expanded in v around 0 76.6%
clear-num76.4%
un-div-inv76.7%
Applied egg-rr76.7%
Taylor expanded in m around 0 71.6%
if 1 < m Initial program 99.9%
Taylor expanded in m around 0 0.1%
Taylor expanded in v around 0 0.1%
neg-mul-10.1%
unsub-neg0.1%
Simplified0.1%
frac-2neg0.1%
distribute-frac-neg20.1%
add-sqr-sqrt0.1%
sqrt-unprod0.1%
sqr-neg0.1%
sqrt-unprod0.0%
add-sqr-sqrt80.2%
frac-2neg80.2%
div-sub80.2%
*-inverses80.2%
sub-neg80.2%
metadata-eval80.2%
Applied egg-rr80.2%
+-commutative80.2%
distribute-neg-in80.2%
metadata-eval80.2%
unsub-neg80.2%
Simplified80.2%
Final simplification77.1%
(FPCore (m v) :precision binary64 (if (<= m 4.8e-10) (* m (+ (/ m v) -1.0)) (* m (* (- 1.0 m) (/ m v)))))
double code(double m, double v) {
double tmp;
if (m <= 4.8e-10) {
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 <= 4.8d-10) 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 <= 4.8e-10) {
tmp = m * ((m / v) + -1.0);
} else {
tmp = m * ((1.0 - m) * (m / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 4.8e-10: 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 <= 4.8e-10) 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 <= 4.8e-10) 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, 4.8e-10], 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 4.8 \cdot 10^{-10}:\\
\;\;\;\;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 < 4.8e-10Initial program 99.8%
Taylor expanded in m around 0 99.5%
if 4.8e-10 < m Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in v around 0 99.9%
Taylor expanded in v around 0 99.9%
*-commutative99.9%
associate-*r/100.0%
Applied egg-rr100.0%
Final simplification99.8%
(FPCore (m v) :precision binary64 (if (<= m 4.8e-10) (* m (+ (/ m v) -1.0)) (* m (* m (/ (- 1.0 m) v)))))
double code(double m, double v) {
double tmp;
if (m <= 4.8e-10) {
tmp = m * ((m / v) + -1.0);
} else {
tmp = m * (m * ((1.0 - 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 <= 4.8d-10) then
tmp = m * ((m / v) + (-1.0d0))
else
tmp = m * (m * ((1.0d0 - m) / v))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 4.8e-10) {
tmp = m * ((m / v) + -1.0);
} else {
tmp = m * (m * ((1.0 - m) / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 4.8e-10: tmp = m * ((m / v) + -1.0) else: tmp = m * (m * ((1.0 - m) / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 4.8e-10) tmp = Float64(m * Float64(Float64(m / v) + -1.0)); else tmp = Float64(m * Float64(m * Float64(Float64(1.0 - m) / v))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 4.8e-10) tmp = m * ((m / v) + -1.0); else tmp = m * (m * ((1.0 - m) / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 4.8e-10], N[(m * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(m * N[(m * N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 4.8 \cdot 10^{-10}:\\
\;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(m \cdot \frac{1 - m}{v}\right)\\
\end{array}
\end{array}
if m < 4.8e-10Initial program 99.8%
Taylor expanded in m around 0 99.5%
if 4.8e-10 < m Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in v around 0 99.9%
Taylor expanded in v around 0 99.9%
associate-/l*99.9%
Simplified99.9%
Final simplification99.7%
(FPCore (m v) :precision binary64 (if (<= m 1.0) (* m (+ (/ m v) -1.0)) (* m (- 1.0 (/ m v)))))
double code(double m, double v) {
double tmp;
if (m <= 1.0) {
tmp = m * ((m / v) + -1.0);
} else {
tmp = m * (1.0 - (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 <= 1.0d0) then
tmp = m * ((m / v) + (-1.0d0))
else
tmp = m * (1.0d0 - (m / v))
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 * (1.0 - (m / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.0: tmp = m * ((m / v) + -1.0) else: tmp = m * (1.0 - (m / v)) 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 * Float64(1.0 - Float64(m / v))); 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 * (1.0 - (m / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.0], N[(m * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(m * N[(1.0 - N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(1 - \frac{m}{v}\right)\\
\end{array}
\end{array}
if m < 1Initial program 99.8%
Taylor expanded in m around 0 97.5%
if 1 < m Initial program 99.9%
Taylor expanded in m around 0 0.1%
Taylor expanded in v around 0 0.1%
neg-mul-10.1%
unsub-neg0.1%
Simplified0.1%
frac-2neg0.1%
distribute-frac-neg20.1%
add-sqr-sqrt0.1%
sqrt-unprod0.1%
sqr-neg0.1%
sqrt-unprod0.0%
add-sqr-sqrt80.2%
frac-2neg80.2%
div-sub80.2%
*-inverses80.2%
sub-neg80.2%
metadata-eval80.2%
Applied egg-rr80.2%
+-commutative80.2%
distribute-neg-in80.2%
metadata-eval80.2%
unsub-neg80.2%
Simplified80.2%
Final simplification88.8%
(FPCore (m v) :precision binary64 (* m (+ -1.0 (* m (/ (- 1.0 m) v)))))
double code(double m, double v) {
return m * (-1.0 + (m * ((1.0 - m) / v)));
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = m * ((-1.0d0) + (m * ((1.0d0 - m) / v)))
end function
public static double code(double m, double v) {
return m * (-1.0 + (m * ((1.0 - m) / v)));
}
def code(m, v): return m * (-1.0 + (m * ((1.0 - m) / v)))
function code(m, v) return Float64(m * Float64(-1.0 + Float64(m * Float64(Float64(1.0 - m) / v)))) end
function tmp = code(m, v) tmp = m * (-1.0 + (m * ((1.0 - m) / v))); end
code[m_, v_] := N[(m * N[(-1.0 + N[(m * N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
m \cdot \left(-1 + m \cdot \frac{1 - m}{v}\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 (if (<= v 9.5e-188) (/ m (/ v m)) (- m)))
double code(double m, double v) {
double tmp;
if (v <= 9.5e-188) {
tmp = m / (v / m);
} 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 (v <= 9.5d-188) then
tmp = m / (v / m)
else
tmp = -m
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (v <= 9.5e-188) {
tmp = m / (v / m);
} else {
tmp = -m;
}
return tmp;
}
def code(m, v): tmp = 0 if v <= 9.5e-188: tmp = m / (v / m) else: tmp = -m return tmp
function code(m, v) tmp = 0.0 if (v <= 9.5e-188) tmp = Float64(m / Float64(v / m)); else tmp = Float64(-m); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (v <= 9.5e-188) tmp = m / (v / m); else tmp = -m; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[v, 9.5e-188], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;v \leq 9.5 \cdot 10^{-188}:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\
\mathbf{else}:\\
\;\;\;\;-m\\
\end{array}
\end{array}
if v < 9.50000000000000063e-188Initial program 99.8%
*-commutative99.8%
sub-neg99.8%
associate-/l*99.7%
metadata-eval99.7%
Simplified99.7%
Taylor expanded in v around 0 99.8%
Taylor expanded in v around 0 85.8%
clear-num85.8%
un-div-inv85.9%
Applied egg-rr85.9%
Taylor expanded in m around 0 38.9%
if 9.50000000000000063e-188 < v Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 39.5%
neg-mul-139.5%
Simplified39.5%
(FPCore (m v) :precision binary64 (if (<= v 2.05e-188) (* m (/ m v)) (- m)))
double code(double m, double v) {
double tmp;
if (v <= 2.05e-188) {
tmp = m * (m / v);
} 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 (v <= 2.05d-188) then
tmp = m * (m / v)
else
tmp = -m
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (v <= 2.05e-188) {
tmp = m * (m / v);
} else {
tmp = -m;
}
return tmp;
}
def code(m, v): tmp = 0 if v <= 2.05e-188: tmp = m * (m / v) else: tmp = -m return tmp
function code(m, v) tmp = 0.0 if (v <= 2.05e-188) tmp = Float64(m * Float64(m / v)); else tmp = Float64(-m); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (v <= 2.05e-188) tmp = m * (m / v); else tmp = -m; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[v, 2.05e-188], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;v \leq 2.05 \cdot 10^{-188}:\\
\;\;\;\;m \cdot \frac{m}{v}\\
\mathbf{else}:\\
\;\;\;\;-m\\
\end{array}
\end{array}
if v < 2.04999999999999991e-188Initial program 99.8%
*-commutative99.8%
sub-neg99.8%
associate-/l*99.7%
metadata-eval99.7%
Simplified99.7%
Taylor expanded in v around 0 99.8%
Taylor expanded in v around 0 85.8%
Taylor expanded in m around 0 38.8%
if 2.04999999999999991e-188 < v Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 39.5%
neg-mul-139.5%
Simplified39.5%
(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 30.0%
neg-mul-130.0%
Simplified30.0%
(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 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 30.0%
neg-mul-130.0%
Simplified30.0%
neg-sub030.0%
sub-neg30.0%
add-sqr-sqrt0.0%
sqrt-unprod3.2%
sqr-neg3.2%
sqrt-unprod3.0%
add-sqr-sqrt3.0%
Applied egg-rr3.0%
+-lft-identity3.0%
Simplified3.0%
herbie shell --seed 2024113
(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))