
(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 11 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 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
metadata-eval99.8%
sub-neg99.8%
clear-num99.8%
un-div-inv99.9%
Applied egg-rr99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (if (<= m 0.6) (+ -1.0 (/ (* m (+ 1.0 (* m -2.0))) v)) (* m (- (/ (* m (+ m -1.0)) v) -1.0))))
double code(double m, double v) {
double tmp;
if (m <= 0.6) {
tmp = -1.0 + ((m * (1.0 + (m * -2.0))) / v);
} else {
tmp = m * (((m * (m + -1.0)) / v) - -1.0);
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 0.6d0) then
tmp = (-1.0d0) + ((m * (1.0d0 + (m * (-2.0d0)))) / v)
else
tmp = m * (((m * (m + (-1.0d0))) / v) - (-1.0d0))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 0.6) {
tmp = -1.0 + ((m * (1.0 + (m * -2.0))) / v);
} else {
tmp = m * (((m * (m + -1.0)) / v) - -1.0);
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 0.6: tmp = -1.0 + ((m * (1.0 + (m * -2.0))) / v) else: tmp = m * (((m * (m + -1.0)) / v) - -1.0) return tmp
function code(m, v) tmp = 0.0 if (m <= 0.6) tmp = Float64(-1.0 + Float64(Float64(m * Float64(1.0 + Float64(m * -2.0))) / v)); else tmp = Float64(m * Float64(Float64(Float64(m * Float64(m + -1.0)) / v) - -1.0)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 0.6) tmp = -1.0 + ((m * (1.0 + (m * -2.0))) / v); else tmp = m * (((m * (m + -1.0)) / v) - -1.0); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 0.6], N[(-1.0 + N[(N[(m * N[(1.0 + N[(m * -2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision], N[(m * N[(N[(N[(m * N[(m + -1.0), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] - -1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.6:\\
\;\;\;\;-1 + \frac{m \cdot \left(1 + m \cdot -2\right)}{v}\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(\frac{m \cdot \left(m + -1\right)}{v} - -1\right)\\
\end{array}
\end{array}
if m < 0.599999999999999978Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.7%
metadata-eval99.7%
Simplified99.7%
Taylor expanded in m around 0 97.0%
Taylor expanded in v around 0 97.2%
if 0.599999999999999978 < m Initial program 100.0%
Taylor expanded in m around inf 99.4%
neg-mul-199.4%
Simplified99.4%
Final simplification98.3%
(FPCore (m v) :precision binary64 (if (<= m 0.42) (+ -1.0 (/ (* m (+ 1.0 (* m -2.0))) v)) (* m (+ 1.0 (/ (* m m) v)))))
double code(double m, double v) {
double tmp;
if (m <= 0.42) {
tmp = -1.0 + ((m * (1.0 + (m * -2.0))) / v);
} 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 <= 0.42d0) then
tmp = (-1.0d0) + ((m * (1.0d0 + (m * (-2.0d0)))) / v)
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 <= 0.42) {
tmp = -1.0 + ((m * (1.0 + (m * -2.0))) / v);
} else {
tmp = m * (1.0 + ((m * m) / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 0.42: tmp = -1.0 + ((m * (1.0 + (m * -2.0))) / v) else: tmp = m * (1.0 + ((m * m) / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 0.42) tmp = Float64(-1.0 + Float64(Float64(m * Float64(1.0 + Float64(m * -2.0))) / v)); else tmp = Float64(m * Float64(1.0 + Float64(Float64(m * m) / v))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 0.42) tmp = -1.0 + ((m * (1.0 + (m * -2.0))) / v); else tmp = m * (1.0 + ((m * m) / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 0.42], N[(-1.0 + N[(N[(m * N[(1.0 + N[(m * -2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision], N[(m * N[(1.0 + N[(N[(m * m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.42:\\
\;\;\;\;-1 + \frac{m \cdot \left(1 + m \cdot -2\right)}{v}\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(1 + \frac{m \cdot m}{v}\right)\\
\end{array}
\end{array}
if m < 0.419999999999999984Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.7%
metadata-eval99.7%
Simplified99.7%
Taylor expanded in m around 0 97.0%
Taylor expanded in v around 0 97.2%
if 0.419999999999999984 < m Initial program 100.0%
Taylor expanded in m around inf 99.4%
neg-mul-199.4%
Simplified99.4%
Taylor expanded in m around inf 99.4%
neg-mul-199.4%
Simplified99.4%
Final simplification98.3%
(FPCore (m v) :precision binary64 (if (<= m 0.43) (+ (/ m (/ v (- 1.0 m))) -1.0) (* m (+ 1.0 (/ (* m m) v)))))
double code(double m, double v) {
double tmp;
if (m <= 0.43) {
tmp = (m / (v / (1.0 - m))) + -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 <= 0.43d0) then
tmp = (m / (v / (1.0d0 - m))) + (-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 <= 0.43) {
tmp = (m / (v / (1.0 - m))) + -1.0;
} else {
tmp = m * (1.0 + ((m * m) / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 0.43: tmp = (m / (v / (1.0 - m))) + -1.0 else: tmp = m * (1.0 + ((m * m) / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 0.43) tmp = Float64(Float64(m / Float64(v / Float64(1.0 - m))) + -1.0); else tmp = Float64(m * Float64(1.0 + Float64(Float64(m * m) / v))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 0.43) tmp = (m / (v / (1.0 - m))) + -1.0; else tmp = m * (1.0 + ((m * m) / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 0.43], N[(N[(m / N[(v / N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision], N[(m * N[(1.0 + N[(N[(m * m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.43:\\
\;\;\;\;\frac{m}{\frac{v}{1 - m}} + -1\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(1 + \frac{m \cdot m}{v}\right)\\
\end{array}
\end{array}
if m < 0.429999999999999993Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.7%
metadata-eval99.7%
Simplified99.7%
metadata-eval99.7%
sub-neg99.7%
clear-num99.7%
un-div-inv99.9%
Applied egg-rr99.9%
Taylor expanded in m around 0 95.5%
if 0.429999999999999993 < m Initial program 100.0%
Taylor expanded in m around inf 99.4%
neg-mul-199.4%
Simplified99.4%
Taylor expanded in m around inf 99.4%
neg-mul-199.4%
Simplified99.4%
Final simplification97.4%
(FPCore (m v) :precision binary64 (* (+ m -1.0) (- (* m (/ (+ m -1.0) v)) -1.0)))
double code(double m, double v) {
return (m + -1.0) * ((m * ((m + -1.0) / 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 + (-1.0d0)) / v)) - (-1.0d0))
end function
public static double code(double m, double v) {
return (m + -1.0) * ((m * ((m + -1.0) / v)) - -1.0);
}
def code(m, v): return (m + -1.0) * ((m * ((m + -1.0) / v)) - -1.0)
function code(m, v) return Float64(Float64(m + -1.0) * Float64(Float64(m * Float64(Float64(m + -1.0) / v)) - -1.0)) end
function tmp = code(m, v) tmp = (m + -1.0) * ((m * ((m + -1.0) / v)) - -1.0); end
code[m_, v_] := N[(N[(m + -1.0), $MachinePrecision] * N[(N[(m * N[(N[(m + -1.0), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision] - -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(m + -1\right) \cdot \left(m \cdot \frac{m + -1}{v} - -1\right)
\end{array}
Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
Final simplification99.8%
(FPCore (m v) :precision binary64 (* (+ 1.0 m) (+ -1.0 (/ m v))))
double code(double m, double v) {
return (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 / v))
end function
public static double code(double m, double v) {
return (1.0 + m) * (-1.0 + (m / v));
}
def code(m, v): return (1.0 + m) * (-1.0 + (m / v))
function code(m, v) return Float64(Float64(1.0 + m) * Float64(-1.0 + Float64(m / v))) end
function tmp = code(m, v) tmp = (1.0 + m) * (-1.0 + (m / v)); end
code[m_, v_] := N[(N[(1.0 + m), $MachinePrecision] * N[(-1.0 + N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 + m\right) \cdot \left(-1 + \frac{m}{v}\right)
\end{array}
Initial program 99.9%
Taylor expanded in m around 0 49.3%
sub-neg49.3%
distribute-rgt-in49.3%
*-un-lft-identity49.3%
sub-neg49.3%
metadata-eval49.3%
add-sqr-sqrt0.0%
sqrt-unprod87.5%
sqr-neg87.5%
sqrt-unprod87.5%
add-sqr-sqrt87.5%
sub-neg87.5%
metadata-eval87.5%
Applied egg-rr87.5%
distribute-rgt1-in87.5%
Simplified87.5%
Final simplification87.5%
(FPCore (m v) :precision binary64 (if (<= v 3.15e-117) (/ m v) (+ m -1.0)))
double code(double m, double v) {
double tmp;
if (v <= 3.15e-117) {
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 <= 3.15d-117) 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 <= 3.15e-117) {
tmp = m / v;
} else {
tmp = m + -1.0;
}
return tmp;
}
def code(m, v): tmp = 0 if v <= 3.15e-117: tmp = m / v else: tmp = m + -1.0 return tmp
function code(m, v) tmp = 0.0 if (v <= 3.15e-117) 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 <= 3.15e-117) tmp = m / v; else tmp = m + -1.0; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[v, 3.15e-117], N[(m / v), $MachinePrecision], N[(m + -1.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;v \leq 3.15 \cdot 10^{-117}:\\
\;\;\;\;\frac{m}{v}\\
\mathbf{else}:\\
\;\;\;\;m + -1\\
\end{array}
\end{array}
if v < 3.1499999999999999e-117Initial program 99.9%
Taylor expanded in m around 0 48.6%
Taylor expanded in v around 0 36.8%
Taylor expanded in m around 0 72.6%
if 3.1499999999999999e-117 < v Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-/l*99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in v around inf 46.4%
neg-mul-146.4%
neg-sub046.4%
associate--r-46.4%
metadata-eval46.4%
Simplified46.4%
Final simplification62.6%
(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 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in m around 0 75.7%
+-commutative75.7%
distribute-lft-in75.7%
div-inv75.8%
*-rgt-identity75.8%
Applied egg-rr75.8%
Final simplification75.8%
(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 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in m around 0 75.7%
Taylor expanded in v around 0 75.7%
Taylor expanded in m around 0 75.8%
Final simplification75.8%
(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 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in v around inf 26.3%
neg-mul-126.3%
neg-sub026.3%
associate--r-26.3%
metadata-eval26.3%
Simplified26.3%
Final simplification26.3%
(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 99.9%
*-commutative99.9%
sub-neg99.9%
associate-/l*99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in m around 0 23.9%
herbie shell --seed 2024133
(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)))