
(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 (- 1.0 m)) v) -1.0)))
double code(double m, double v) {
return (1.0 - m) * (((m * (1.0 - m)) / v) + -1.0);
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = (1.0d0 - m) * (((m * (1.0d0 - m)) / v) + (-1.0d0))
end function
public static double code(double m, double v) {
return (1.0 - m) * (((m * (1.0 - m)) / v) + -1.0);
}
def code(m, v): return (1.0 - m) * (((m * (1.0 - m)) / v) + -1.0)
function code(m, v) return Float64(Float64(1.0 - m) * Float64(Float64(Float64(m * Float64(1.0 - m)) / v) + -1.0)) end
function tmp = code(m, v) tmp = (1.0 - m) * (((m * (1.0 - m)) / v) + -1.0); end
code[m_, v_] := N[(N[(1.0 - m), $MachinePrecision] * N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - m\right) \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} + -1\right)
\end{array}
Initial program 100.0%
Final simplification100.0%
(FPCore (m v) :precision binary64 (if (<= m 9.4e-132) -1.0 (if (<= m 2.4) (/ m v) (* (+ m -2.0) (* m (/ m v))))))
double code(double m, double v) {
double tmp;
if (m <= 9.4e-132) {
tmp = -1.0;
} else if (m <= 2.4) {
tmp = m / v;
} else {
tmp = (m + -2.0) * (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 <= 9.4d-132) then
tmp = -1.0d0
else if (m <= 2.4d0) then
tmp = m / v
else
tmp = (m + (-2.0d0)) * (m * (m / v))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 9.4e-132) {
tmp = -1.0;
} else if (m <= 2.4) {
tmp = m / v;
} else {
tmp = (m + -2.0) * (m * (m / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 9.4e-132: tmp = -1.0 elif m <= 2.4: tmp = m / v else: tmp = (m + -2.0) * (m * (m / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 9.4e-132) tmp = -1.0; elseif (m <= 2.4) tmp = Float64(m / v); else tmp = Float64(Float64(m + -2.0) * Float64(m * Float64(m / v))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 9.4e-132) tmp = -1.0; elseif (m <= 2.4) tmp = m / v; else tmp = (m + -2.0) * (m * (m / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 9.4e-132], -1.0, If[LessEqual[m, 2.4], N[(m / v), $MachinePrecision], N[(N[(m + -2.0), $MachinePrecision] * N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 9.4 \cdot 10^{-132}:\\
\;\;\;\;-1\\
\mathbf{elif}\;m \leq 2.4:\\
\;\;\;\;\frac{m}{v}\\
\mathbf{else}:\\
\;\;\;\;\left(m + -2\right) \cdot \left(m \cdot \frac{m}{v}\right)\\
\end{array}
\end{array}
if m < 9.4000000000000004e-132Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 71.0%
if 9.4000000000000004e-132 < m < 2.39999999999999991Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-*l/99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in v around 0 76.4%
associate-*l/76.4%
Simplified76.4%
Taylor expanded in m around 0 76.5%
+-commutative76.5%
unpow276.5%
distribute-rgt-out76.5%
Simplified76.5%
Taylor expanded in m around 0 71.5%
if 2.39999999999999991 < 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%
associate-*l/99.9%
Simplified99.9%
Taylor expanded in m around inf 98.3%
+-commutative98.3%
unpow298.3%
distribute-rgt-out98.3%
Simplified98.3%
associate-*l/98.3%
associate-/l*98.2%
Applied egg-rr98.2%
associate-/r/98.3%
*-commutative98.3%
*-commutative98.3%
associate-*l*98.2%
Applied egg-rr98.2%
Final simplification86.2%
(FPCore (m v) :precision binary64 (if (<= m 1e-22) (* (- 1.0 m) (+ (/ m v) -1.0)) (* (/ m v) (+ 1.0 (* m (+ m -2.0))))))
double code(double m, double v) {
double tmp;
if (m <= 1e-22) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m / v) * (1.0 + (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 <= 1d-22) then
tmp = (1.0d0 - m) * ((m / v) + (-1.0d0))
else
tmp = (m / v) * (1.0d0 + (m * (m + (-2.0d0))))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1e-22) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m / v) * (1.0 + (m * (m + -2.0)));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1e-22: tmp = (1.0 - m) * ((m / v) + -1.0) else: tmp = (m / v) * (1.0 + (m * (m + -2.0))) return tmp
function code(m, v) tmp = 0.0 if (m <= 1e-22) tmp = Float64(Float64(1.0 - m) * Float64(Float64(m / v) + -1.0)); else tmp = Float64(Float64(m / v) * Float64(1.0 + Float64(m * Float64(m + -2.0)))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1e-22) tmp = (1.0 - m) * ((m / v) + -1.0); else tmp = (m / v) * (1.0 + (m * (m + -2.0))); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1e-22], N[(N[(1.0 - m), $MachinePrecision] * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * N[(1.0 + N[(m * N[(m + -2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 10^{-22}:\\
\;\;\;\;\left(1 - m\right) \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v} \cdot \left(1 + m \cdot \left(m + -2\right)\right)\\
\end{array}
\end{array}
if m < 1e-22Initial program 100.0%
Taylor expanded in m around 0 100.0%
if 1e-22 < 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%
associate-*l/99.9%
Simplified99.9%
Taylor expanded in m around 0 99.9%
+-commutative99.9%
unpow299.9%
distribute-rgt-out99.9%
Simplified99.9%
Final simplification100.0%
(FPCore (m v) :precision binary64 (if (<= m 1.6) (* (- 1.0 m) (+ (/ m v) -1.0)) (* (+ m -2.0) (* m (/ m v)))))
double code(double m, double v) {
double tmp;
if (m <= 1.6) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m + -2.0) * (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 <= 1.6d0) then
tmp = (1.0d0 - m) * ((m / v) + (-1.0d0))
else
tmp = (m + (-2.0d0)) * (m * (m / v))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1.6) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m + -2.0) * (m * (m / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.6: tmp = (1.0 - m) * ((m / v) + -1.0) else: tmp = (m + -2.0) * (m * (m / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 1.6) tmp = Float64(Float64(1.0 - m) * Float64(Float64(m / v) + -1.0)); else tmp = Float64(Float64(m + -2.0) * Float64(m * Float64(m / v))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.6) tmp = (1.0 - m) * ((m / v) + -1.0); else tmp = (m + -2.0) * (m * (m / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.6], N[(N[(1.0 - m), $MachinePrecision] * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(m + -2.0), $MachinePrecision] * N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.6:\\
\;\;\;\;\left(1 - m\right) \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;\left(m + -2\right) \cdot \left(m \cdot \frac{m}{v}\right)\\
\end{array}
\end{array}
if m < 1.6000000000000001Initial program 100.0%
Taylor expanded in m around 0 97.6%
if 1.6000000000000001 < 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%
associate-*l/99.9%
Simplified99.9%
Taylor expanded in m around inf 98.3%
+-commutative98.3%
unpow298.3%
distribute-rgt-out98.3%
Simplified98.3%
associate-*l/98.3%
associate-/l*98.2%
Applied egg-rr98.2%
associate-/r/98.3%
*-commutative98.3%
*-commutative98.3%
associate-*l*98.2%
Applied egg-rr98.2%
Final simplification98.0%
(FPCore (m v) :precision binary64 (if (<= m 1.6) (* (- 1.0 m) (+ (/ m v) -1.0)) (* (/ m v) (* m (+ m -2.0)))))
double code(double m, double v) {
double tmp;
if (m <= 1.6) {
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 <= 1.6d0) 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 <= 1.6) {
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 <= 1.6: 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 <= 1.6) 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 <= 1.6) 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, 1.6], 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 1.6:\\
\;\;\;\;\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 < 1.6000000000000001Initial program 100.0%
Taylor expanded in m around 0 97.6%
if 1.6000000000000001 < 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%
associate-*l/99.9%
Simplified99.9%
Taylor expanded in m around inf 98.3%
+-commutative98.3%
unpow298.3%
distribute-rgt-out98.3%
Simplified98.3%
Final simplification98.0%
(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 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 (<= m 4.4e-136) -1.0 (/ m v)))
double code(double m, double v) {
double tmp;
if (m <= 4.4e-136) {
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 <= 4.4d-136) 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 <= 4.4e-136) {
tmp = -1.0;
} else {
tmp = m / v;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 4.4e-136: tmp = -1.0 else: tmp = m / v return tmp
function code(m, v) tmp = 0.0 if (m <= 4.4e-136) tmp = -1.0; else tmp = Float64(m / v); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 4.4e-136) tmp = -1.0; else tmp = m / v; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 4.4e-136], -1.0, N[(m / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 4.4 \cdot 10^{-136}:\\
\;\;\;\;-1\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v}\\
\end{array}
\end{array}
if m < 4.4000000000000002e-136Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 71.0%
if 4.4000000000000002e-136 < 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 93.2%
associate-*l/93.2%
Simplified93.2%
Taylor expanded in m around 0 93.2%
+-commutative93.2%
unpow293.2%
distribute-rgt-out93.2%
Simplified93.2%
Taylor expanded in m around 0 58.4%
Final simplification61.2%
(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 23.9%
neg-mul-123.9%
neg-sub023.9%
associate--r-23.9%
metadata-eval23.9%
Simplified23.9%
Final simplification23.9%
(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 21.1%
Final simplification21.1%
herbie shell --seed 2024041
(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)))