
(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) (+ (* (- 1.0 m) (/ m v)) -1.0)))
double code(double m, double v) {
return (1.0 - 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 = (1.0d0 - m) * (((1.0d0 - m) * (m / v)) + (-1.0d0))
end function
public static double code(double m, double v) {
return (1.0 - m) * (((1.0 - m) * (m / v)) + -1.0);
}
def code(m, v): return (1.0 - m) * (((1.0 - m) * (m / v)) + -1.0)
function code(m, v) return Float64(Float64(1.0 - m) * Float64(Float64(Float64(1.0 - m) * Float64(m / v)) + -1.0)) end
function tmp = code(m, v) tmp = (1.0 - m) * (((1.0 - m) * (m / v)) + -1.0); end
code[m_, v_] := N[(N[(1.0 - m), $MachinePrecision] * N[(N[(N[(1.0 - m), $MachinePrecision] * N[(m / v), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - m\right) \cdot \left(\left(1 - m\right) \cdot \frac{m}{v} + -1\right)
\end{array}
Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (m v) :precision binary64 (if (<= m 2.6e-17) (+ -1.0 (+ m (/ m v))) (/ (* m (+ 1.0 (* m (+ m -2.0)))) v)))
double code(double m, double v) {
double tmp;
if (m <= 2.6e-17) {
tmp = -1.0 + (m + (m / v));
} else {
tmp = (m * (1.0 + (m * (m + -2.0)))) / v;
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 2.6d-17) then
tmp = (-1.0d0) + (m + (m / v))
else
tmp = (m * (1.0d0 + (m * (m + (-2.0d0))))) / v
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 2.6e-17) {
tmp = -1.0 + (m + (m / v));
} else {
tmp = (m * (1.0 + (m * (m + -2.0)))) / v;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 2.6e-17: tmp = -1.0 + (m + (m / v)) else: tmp = (m * (1.0 + (m * (m + -2.0)))) / v return tmp
function code(m, v) tmp = 0.0 if (m <= 2.6e-17) tmp = Float64(-1.0 + Float64(m + Float64(m / v))); else tmp = Float64(Float64(m * Float64(1.0 + Float64(m * Float64(m + -2.0)))) / v); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 2.6e-17) tmp = -1.0 + (m + (m / v)); else tmp = (m * (1.0 + (m * (m + -2.0)))) / v; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 2.6e-17], N[(-1.0 + N[(m + N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(m * N[(1.0 + N[(m * N[(m + -2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.6 \cdot 10^{-17}:\\
\;\;\;\;-1 + \left(m + \frac{m}{v}\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{m \cdot \left(1 + m \cdot \left(m + -2\right)\right)}{v}\\
\end{array}
\end{array}
if m < 2.60000000000000003e-17Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 99.8%
+-commutative99.8%
distribute-lft-in99.8%
div-inv100.0%
*-rgt-identity100.0%
Applied egg-rr100.0%
if 2.60000000000000003e-17 < 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 99.8%
Taylor expanded in m around 0 99.8%
+-commutative99.8%
unpow299.8%
distribute-rgt-out99.8%
Simplified99.8%
Final simplification99.9%
(FPCore (m v) :precision binary64 (if (<= m 1.65) (* (- 1.0 m) (+ (/ m v) -1.0)) (* (/ m v) (* m (+ m -2.0)))))
double code(double m, double v) {
double tmp;
if (m <= 1.65) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m / v) * (m * (m + -2.0));
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 1.65d0) then
tmp = (1.0d0 - m) * ((m / v) + (-1.0d0))
else
tmp = (m / v) * (m * (m + (-2.0d0)))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1.65) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m / v) * (m * (m + -2.0));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.65: tmp = (1.0 - m) * ((m / v) + -1.0) else: tmp = (m / v) * (m * (m + -2.0)) return tmp
function code(m, v) tmp = 0.0 if (m <= 1.65) tmp = Float64(Float64(1.0 - m) * Float64(Float64(m / v) + -1.0)); else tmp = Float64(Float64(m / v) * Float64(m * Float64(m + -2.0))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.65) tmp = (1.0 - m) * ((m / v) + -1.0); else tmp = (m / v) * (m * (m + -2.0)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.65], N[(N[(1.0 - m), $MachinePrecision] * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * N[(m * N[(m + -2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.65:\\
\;\;\;\;\left(1 - m\right) \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v} \cdot \left(m \cdot \left(m + -2\right)\right)\\
\end{array}
\end{array}
if m < 1.6499999999999999Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 98.6%
if 1.6499999999999999 < 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 99.8%
Taylor expanded in m around inf 98.5%
+-commutative98.5%
unpow298.5%
distribute-rgt-out98.5%
Simplified98.5%
associate-/l*98.5%
associate-/r/98.5%
Applied egg-rr98.5%
Final simplification98.5%
(FPCore (m v) :precision binary64 (if (<= m 1.65) (* (- 1.0 m) (+ (/ m v) -1.0)) (/ (* m (* m (+ m -2.0))) v)))
double code(double m, double v) {
double tmp;
if (m <= 1.65) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m * (m * (m + -2.0))) / v;
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 1.65d0) then
tmp = (1.0d0 - m) * ((m / v) + (-1.0d0))
else
tmp = (m * (m * (m + (-2.0d0)))) / v
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1.65) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m * (m * (m + -2.0))) / v;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.65: tmp = (1.0 - m) * ((m / v) + -1.0) else: tmp = (m * (m * (m + -2.0))) / v return tmp
function code(m, v) tmp = 0.0 if (m <= 1.65) tmp = Float64(Float64(1.0 - m) * Float64(Float64(m / v) + -1.0)); else tmp = Float64(Float64(m * Float64(m * Float64(m + -2.0))) / v); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.65) tmp = (1.0 - m) * ((m / v) + -1.0); else tmp = (m * (m * (m + -2.0))) / v; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.65], N[(N[(1.0 - m), $MachinePrecision] * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(m * N[(m * N[(m + -2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.65:\\
\;\;\;\;\left(1 - m\right) \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{m \cdot \left(m \cdot \left(m + -2\right)\right)}{v}\\
\end{array}
\end{array}
if m < 1.6499999999999999Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 98.6%
if 1.6499999999999999 < 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 99.8%
Taylor expanded in m around inf 98.5%
+-commutative98.5%
unpow298.5%
distribute-rgt-out98.5%
Simplified98.5%
Final simplification98.5%
(FPCore (m v) :precision binary64 (if (<= m 2.6e-97) -1.0 (+ m (/ m v))))
double code(double m, double v) {
double tmp;
if (m <= 2.6e-97) {
tmp = -1.0;
} 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 <= 2.6d-97) then
tmp = -1.0d0
else
tmp = m + (m / v)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 2.6e-97) {
tmp = -1.0;
} else {
tmp = m + (m / v);
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 2.6e-97: tmp = -1.0 else: tmp = m + (m / v) return tmp
function code(m, v) tmp = 0.0 if (m <= 2.6e-97) tmp = -1.0; else tmp = Float64(m + Float64(m / v)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 2.6e-97) tmp = -1.0; else tmp = m + (m / v); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 2.6e-97], -1.0, N[(m + N[(m / v), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.6 \cdot 10^{-97}:\\
\;\;\;\;-1\\
\mathbf{else}:\\
\;\;\;\;m + \frac{m}{v}\\
\end{array}
\end{array}
if m < 2.60000000000000007e-97Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 67.0%
if 2.60000000000000007e-97 < 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 61.4%
+-commutative61.4%
distribute-lft-in61.4%
div-inv61.5%
*-rgt-identity61.5%
Applied egg-rr61.5%
Taylor expanded in m around inf 58.6%
distribute-lft-in58.6%
associate-*r/58.6%
*-rgt-identity58.6%
*-rgt-identity58.6%
Simplified58.6%
Final simplification61.1%
(FPCore (m v) :precision binary64 (if (<= m 2.6e-97) -1.0 (/ m v)))
double code(double m, double v) {
double tmp;
if (m <= 2.6e-97) {
tmp = -1.0;
} else {
tmp = 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 <= 2.6d-97) then
tmp = -1.0d0
else
tmp = m / v
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 2.6e-97) {
tmp = -1.0;
} else {
tmp = m / v;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 2.6e-97: tmp = -1.0 else: tmp = m / v return tmp
function code(m, v) tmp = 0.0 if (m <= 2.6e-97) tmp = -1.0; else tmp = Float64(m / v); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 2.6e-97) tmp = -1.0; else tmp = m / v; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 2.6e-97], -1.0, N[(m / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.6 \cdot 10^{-97}:\\
\;\;\;\;-1\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v}\\
\end{array}
\end{array}
if m < 2.60000000000000007e-97Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 67.0%
if 2.60000000000000007e-97 < 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 96.9%
Taylor expanded in m around 0 58.6%
Final simplification61.1%
(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/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 72.9%
+-commutative72.9%
distribute-lft-in72.9%
div-inv72.9%
*-rgt-identity72.9%
Applied egg-rr72.9%
Final simplification72.9%
(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/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in v around inf 24.4%
neg-mul-124.4%
neg-sub024.4%
associate--r-24.4%
metadata-eval24.4%
Simplified24.4%
Final simplification24.4%
(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/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 21.7%
Final simplification21.7%
herbie shell --seed 2024027
(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)))