
(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) (- 1.0 m)))
double code(double m, double v) {
return (((m * (1.0 - m)) / v) - 1.0) * (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) * (1.0d0 - m)
end function
public static double code(double m, double v) {
return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m);
}
def code(m, v): return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m)
function code(m, v) return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * Float64(1.0 - m)) end
function tmp = code(m, v) tmp = (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m); end
code[m_, v_] := N[(N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] - 1.0), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) (- 1.0 m)))
double code(double m, double v) {
return (((m * (1.0 - m)) / v) - 1.0) * (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) * (1.0d0 - m)
end function
public static double code(double m, double v) {
return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m);
}
def code(m, v): return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m)
function code(m, v) return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * Float64(1.0 - m)) end
function tmp = code(m, v) tmp = (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m); end
code[m_, v_] := N[(N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] - 1.0), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right)
\end{array}
(FPCore (m v) :precision binary64 (* (- 1.0 m) (+ (/ m (/ v (- 1.0 m))) -1.0)))
double code(double m, double v) {
return (1.0 - m) * ((m / (v / (1.0 - m))) + -1.0);
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = (1.0d0 - m) * ((m / (v / (1.0d0 - m))) + (-1.0d0))
end function
public static double code(double m, double v) {
return (1.0 - m) * ((m / (v / (1.0 - m))) + -1.0);
}
def code(m, v): return (1.0 - m) * ((m / (v / (1.0 - m))) + -1.0)
function code(m, v) return Float64(Float64(1.0 - m) * Float64(Float64(m / Float64(v / Float64(1.0 - m))) + -1.0)) end
function tmp = code(m, v) tmp = (1.0 - m) * ((m / (v / (1.0 - m))) + -1.0); end
code[m_, v_] := N[(N[(1.0 - m), $MachinePrecision] * N[(N[(m / N[(v / N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)
\end{array}
Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
clear-num99.9%
un-div-inv100.0%
Applied egg-rr100.0%
(FPCore (m v) :precision binary64 (if (<= m 5e-28) (+ -1.0 (/ m v)) (/ (* m (* (- 1.0 m) (- 1.0 m))) v)))
double code(double m, double v) {
double tmp;
if (m <= 5e-28) {
tmp = -1.0 + (m / v);
} else {
tmp = (m * ((1.0 - 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 <= 5d-28) then
tmp = (-1.0d0) + (m / v)
else
tmp = (m * ((1.0d0 - m) * (1.0d0 - m))) / v
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 5e-28) {
tmp = -1.0 + (m / v);
} else {
tmp = (m * ((1.0 - m) * (1.0 - m))) / v;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 5e-28: tmp = -1.0 + (m / v) else: tmp = (m * ((1.0 - m) * (1.0 - m))) / v return tmp
function code(m, v) tmp = 0.0 if (m <= 5e-28) tmp = Float64(-1.0 + Float64(m / v)); else tmp = Float64(Float64(m * Float64(Float64(1.0 - m) * Float64(1.0 - m))) / v); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 5e-28) tmp = -1.0 + (m / v); else tmp = (m * ((1.0 - m) * (1.0 - m))) / v; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 5e-28], N[(-1.0 + N[(m / v), $MachinePrecision]), $MachinePrecision], N[(N[(m * N[(N[(1.0 - m), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 5 \cdot 10^{-28}:\\
\;\;\;\;-1 + \frac{m}{v}\\
\mathbf{else}:\\
\;\;\;\;\frac{m \cdot \left(\left(1 - m\right) \cdot \left(1 - m\right)\right)}{v}\\
\end{array}
\end{array}
if m < 5.0000000000000002e-28Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in m around 0 99.8%
Taylor expanded in v around 0 100.0%
if 5.0000000000000002e-28 < 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%
unpow299.9%
Applied egg-rr99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (if (<= m 1e-25) (+ -1.0 (/ m v)) (* (/ (- 1.0 m) v) (* m (- 1.0 m)))))
double code(double m, double v) {
double tmp;
if (m <= 1e-25) {
tmp = -1.0 + (m / v);
} else {
tmp = ((1.0 - m) / v) * (m * (1.0 - m));
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 1d-25) then
tmp = (-1.0d0) + (m / v)
else
tmp = ((1.0d0 - m) / v) * (m * (1.0d0 - m))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1e-25) {
tmp = -1.0 + (m / v);
} else {
tmp = ((1.0 - m) / v) * (m * (1.0 - m));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1e-25: tmp = -1.0 + (m / v) else: tmp = ((1.0 - m) / v) * (m * (1.0 - m)) return tmp
function code(m, v) tmp = 0.0 if (m <= 1e-25) tmp = Float64(-1.0 + Float64(m / v)); else tmp = Float64(Float64(Float64(1.0 - m) / v) * Float64(m * Float64(1.0 - m))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1e-25) tmp = -1.0 + (m / v); else tmp = ((1.0 - m) / v) * (m * (1.0 - m)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1e-25], N[(-1.0 + N[(m / v), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision] * N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 10^{-25}:\\
\;\;\;\;-1 + \frac{m}{v}\\
\mathbf{else}:\\
\;\;\;\;\frac{1 - m}{v} \cdot \left(m \cdot \left(1 - m\right)\right)\\
\end{array}
\end{array}
if m < 1.00000000000000004e-25Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in m around 0 99.8%
Taylor expanded in v around 0 100.0%
if 1.00000000000000004e-25 < 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%
unpow299.9%
Applied egg-rr99.9%
associate-*r*99.9%
associate-/l*99.9%
Applied egg-rr99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (* (- 1.0 m) (+ -1.0 (* m (/ (- 1.0 m) v)))))
double code(double m, double v) {
return (1.0 - 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 = (1.0d0 - m) * ((-1.0d0) + (m * ((1.0d0 - m) / v)))
end function
public static double code(double m, double v) {
return (1.0 - m) * (-1.0 + (m * ((1.0 - m) / v)));
}
def code(m, v): return (1.0 - m) * (-1.0 + (m * ((1.0 - m) / v)))
function code(m, v) return Float64(Float64(1.0 - m) * Float64(-1.0 + Float64(m * Float64(Float64(1.0 - m) / v)))) end
function tmp = code(m, v) tmp = (1.0 - m) * (-1.0 + (m * ((1.0 - m) / v))); end
code[m_, v_] := N[(N[(1.0 - m), $MachinePrecision] * N[(-1.0 + N[(m * N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - m\right) \cdot \left(-1 + m \cdot \frac{1 - m}{v}\right)
\end{array}
Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (if (<= v 8e-121) (/ m v) (+ m -1.0)))
double code(double m, double v) {
double tmp;
if (v <= 8e-121) {
tmp = m / v;
} else {
tmp = m + -1.0;
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (v <= 8d-121) then
tmp = m / v
else
tmp = m + (-1.0d0)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (v <= 8e-121) {
tmp = m / v;
} else {
tmp = m + -1.0;
}
return tmp;
}
def code(m, v): tmp = 0 if v <= 8e-121: tmp = m / v else: tmp = m + -1.0 return tmp
function code(m, v) tmp = 0.0 if (v <= 8e-121) tmp = Float64(m / v); else tmp = Float64(m + -1.0); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (v <= 8e-121) tmp = m / v; else tmp = m + -1.0; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[v, 8e-121], N[(m / v), $MachinePrecision], N[(m + -1.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;v \leq 8 \cdot 10^{-121}:\\
\;\;\;\;\frac{m}{v}\\
\mathbf{else}:\\
\;\;\;\;m + -1\\
\end{array}
\end{array}
if v < 7.9999999999999998e-121Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in v around 0 85.2%
Taylor expanded in m around 0 67.6%
if 7.9999999999999998e-121 < v Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in v around inf 53.2%
neg-mul-153.2%
sub-neg53.2%
+-commutative53.2%
distribute-neg-in53.2%
remove-double-neg53.2%
metadata-eval53.2%
Simplified53.2%
(FPCore (m v) :precision binary64 (+ -1.0 (+ m (/ m v))))
double code(double m, double v) {
return -1.0 + (m + (m / v));
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = (-1.0d0) + (m + (m / v))
end function
public static double code(double m, double v) {
return -1.0 + (m + (m / v));
}
def code(m, v): return -1.0 + (m + (m / v))
function code(m, v) return Float64(-1.0 + Float64(m + Float64(m / v))) end
function tmp = code(m, v) tmp = -1.0 + (m + (m / v)); end
code[m_, v_] := N[(-1.0 + N[(m + N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
-1 + \left(m + \frac{m}{v}\right)
\end{array}
Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 78.1%
+-commutative78.1%
distribute-lft-in78.1%
div-inv78.2%
*-rgt-identity78.2%
Applied egg-rr78.2%
Final simplification78.2%
(FPCore (m v) :precision binary64 (+ -1.0 (/ m v)))
double code(double m, double v) {
return -1.0 + (m / v);
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = (-1.0d0) + (m / v)
end function
public static double code(double m, double v) {
return -1.0 + (m / v);
}
def code(m, v): return -1.0 + (m / v)
function code(m, v) return Float64(-1.0 + Float64(m / v)) end
function tmp = code(m, v) tmp = -1.0 + (m / v); end
code[m_, v_] := N[(-1.0 + N[(m / v), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
-1 + \frac{m}{v}
\end{array}
Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 78.1%
Taylor expanded in v around 0 78.2%
Final simplification78.2%
(FPCore (m v) :precision binary64 (+ m -1.0))
double code(double m, double v) {
return m + -1.0;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = m + (-1.0d0)
end function
public static double code(double m, double v) {
return m + -1.0;
}
def code(m, v): return m + -1.0
function code(m, v) return Float64(m + -1.0) end
function tmp = code(m, v) tmp = m + -1.0; end
code[m_, v_] := N[(m + -1.0), $MachinePrecision]
\begin{array}{l}
\\
m + -1
\end{array}
Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in v around inf 30.0%
neg-mul-130.0%
sub-neg30.0%
+-commutative30.0%
distribute-neg-in30.0%
remove-double-neg30.0%
metadata-eval30.0%
Simplified30.0%
(FPCore (m v) :precision binary64 -1.0)
double code(double m, double v) {
return -1.0;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = -1.0d0
end function
public static double code(double m, double v) {
return -1.0;
}
def code(m, v): return -1.0
function code(m, v) return -1.0 end
function tmp = code(m, v) tmp = -1.0; end
code[m_, v_] := -1.0
\begin{array}{l}
\\
-1
\end{array}
Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 27.7%
herbie shell --seed 2024108
(FPCore (m v)
:name "b 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) (- 1.0 m)))