
(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 (if (<= m 2.3e-28) (- (* m (/ m v)) m) (* m (* m (/ (+ m -1.0) (- v))))))
double code(double m, double v) {
double tmp;
if (m <= 2.3e-28) {
tmp = (m * (m / v)) - m;
} else {
tmp = m * (m * ((m + -1.0) / -v));
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 2.3d-28) then
tmp = (m * (m / v)) - m
else
tmp = m * (m * ((m + (-1.0d0)) / -v))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 2.3e-28) {
tmp = (m * (m / v)) - m;
} else {
tmp = m * (m * ((m + -1.0) / -v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 2.3e-28: tmp = (m * (m / v)) - m else: tmp = m * (m * ((m + -1.0) / -v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 2.3e-28) tmp = Float64(Float64(m * Float64(m / v)) - m); else tmp = Float64(m * Float64(m * Float64(Float64(m + -1.0) / Float64(-v)))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 2.3e-28) tmp = (m * (m / v)) - m; else tmp = m * (m * ((m + -1.0) / -v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 2.3e-28], N[(N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(m * N[(m * N[(N[(m + -1.0), $MachinePrecision] / (-v)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.3 \cdot 10^{-28}:\\
\;\;\;\;m \cdot \frac{m}{v} - m\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(m \cdot \frac{m + -1}{-v}\right)\\
\end{array}
\end{array}
(FPCore (m v) :precision binary64 (fma (- 1.0 m) (* m (/ m v)) (- m)))
double code(double m, double v) {
return fma((1.0 - m), (m * (m / v)), -m);
}
function code(m, v) return fma(Float64(1.0 - m), Float64(m * Float64(m / v)), Float64(-m)) end
code[m_, v_] := N[(N[(1.0 - m), $MachinePrecision] * N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision] + (-m)), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(1 - m, m \cdot \frac{m}{v}, -m\right)
\end{array}
(FPCore (m v) :precision binary64 (if (<= m 2.6e-143) (- m) (if (<= m 1.0) (* m (/ m v)) (* m (- -1.0 (/ m v))))))
double code(double m, double v) {
double tmp;
if (m <= 2.6e-143) {
tmp = -m;
} else if (m <= 1.0) {
tmp = m * (m / v);
} 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 <= 2.6d-143) then
tmp = -m
else if (m <= 1.0d0) then
tmp = m * (m / v)
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 <= 2.6e-143) {
tmp = -m;
} else if (m <= 1.0) {
tmp = m * (m / v);
} else {
tmp = m * (-1.0 - (m / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 2.6e-143: tmp = -m elif m <= 1.0: tmp = m * (m / v) else: tmp = m * (-1.0 - (m / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 2.6e-143) tmp = Float64(-m); elseif (m <= 1.0) tmp = Float64(m * Float64(m / v)); 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 <= 2.6e-143) tmp = -m; elseif (m <= 1.0) tmp = m * (m / v); else tmp = m * (-1.0 - (m / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 2.6e-143], (-m), If[LessEqual[m, 1.0], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], N[(m * N[(-1.0 - N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.6 \cdot 10^{-143}:\\
\;\;\;\;-m\\
\mathbf{elif}\;m \leq 1:\\
\;\;\;\;m \cdot \frac{m}{v}\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(-1 - \frac{m}{v}\right)\\
\end{array}
\end{array}
(FPCore (m v) :precision binary64 (* m (+ (* (- 1.0 m) (/ m v)) -1.0)))
double code(double m, double v) {
return 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 = m * (((1.0d0 - m) * (m / v)) + (-1.0d0))
end function
public static double code(double m, double v) {
return m * (((1.0 - m) * (m / v)) + -1.0);
}
def code(m, v): return m * (((1.0 - m) * (m / v)) + -1.0)
function code(m, v) return Float64(m * Float64(Float64(Float64(1.0 - m) * Float64(m / v)) + -1.0)) end
function tmp = code(m, v) tmp = m * (((1.0 - m) * (m / v)) + -1.0); end
code[m_, v_] := N[(m * N[(N[(N[(1.0 - m), $MachinePrecision] * N[(m / v), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
m \cdot \left(\left(1 - m\right) \cdot \frac{m}{v} + -1\right)
\end{array}
(FPCore (m v) :precision binary64 (* m (+ (/ (* m (- 1.0 m)) v) -1.0)))
double code(double m, double v) {
return 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 = m * (((m * (1.0d0 - m)) / v) + (-1.0d0))
end function
public static double code(double m, double v) {
return m * (((m * (1.0 - m)) / v) + -1.0);
}
def code(m, v): return m * (((m * (1.0 - m)) / v) + -1.0)
function code(m, v) return Float64(m * Float64(Float64(Float64(m * Float64(1.0 - m)) / v) + -1.0)) end
function tmp = code(m, v) tmp = m * (((m * (1.0 - m)) / v) + -1.0); end
code[m_, v_] := N[(m * N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} + -1\right)
\end{array}
(FPCore (m v) :precision binary64 (if (<= m 2.7e-143) (- m) (if (<= m 1.0) (* m (/ m v)) (* m (/ (- m) v)))))
double code(double m, double v) {
double tmp;
if (m <= 2.7e-143) {
tmp = -m;
} else if (m <= 1.0) {
tmp = m * (m / v);
} 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 <= 2.7d-143) then
tmp = -m
else if (m <= 1.0d0) then
tmp = m * (m / v)
else
tmp = m * (-m / v)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 2.7e-143) {
tmp = -m;
} else if (m <= 1.0) {
tmp = m * (m / v);
} else {
tmp = m * (-m / v);
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 2.7e-143: tmp = -m elif m <= 1.0: tmp = m * (m / v) else: tmp = m * (-m / v) return tmp
function code(m, v) tmp = 0.0 if (m <= 2.7e-143) tmp = Float64(-m); elseif (m <= 1.0) tmp = Float64(m * Float64(m / v)); else tmp = Float64(m * Float64(Float64(-m) / v)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 2.7e-143) tmp = -m; elseif (m <= 1.0) tmp = m * (m / v); else tmp = m * (-m / v); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 2.7e-143], (-m), If[LessEqual[m, 1.0], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], N[(m * N[((-m) / v), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.7 \cdot 10^{-143}:\\
\;\;\;\;-m\\
\mathbf{elif}\;m \leq 1:\\
\;\;\;\;m \cdot \frac{m}{v}\\
\mathbf{else}:\\
\;\;\;\;m \cdot \frac{-m}{v}\\
\end{array}
\end{array}
(FPCore (m v) :precision binary64 (if (or (<= m 2.2e-143) (not (<= m 1.0))) (- m) (* m (/ m v))))
double code(double m, double v) {
double tmp;
if ((m <= 2.2e-143) || !(m <= 1.0)) {
tmp = -m;
} 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 <= 2.2d-143) .or. (.not. (m <= 1.0d0))) then
tmp = -m
else
tmp = m * (m / v)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if ((m <= 2.2e-143) || !(m <= 1.0)) {
tmp = -m;
} else {
tmp = m * (m / v);
}
return tmp;
}
def code(m, v): tmp = 0 if (m <= 2.2e-143) or not (m <= 1.0): tmp = -m else: tmp = m * (m / v) return tmp
function code(m, v) tmp = 0.0 if ((m <= 2.2e-143) || !(m <= 1.0)) tmp = Float64(-m); else tmp = Float64(m * Float64(m / v)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if ((m <= 2.2e-143) || ~((m <= 1.0))) tmp = -m; else tmp = m * (m / v); end tmp_2 = tmp; end
code[m_, v_] := If[Or[LessEqual[m, 2.2e-143], N[Not[LessEqual[m, 1.0]], $MachinePrecision]], (-m), N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.2 \cdot 10^{-143} \lor \neg \left(m \leq 1\right):\\
\;\;\;\;-m\\
\mathbf{else}:\\
\;\;\;\;m \cdot \frac{m}{v}\\
\end{array}
\end{array}
(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}
(FPCore (m v) :precision binary64 (if (<= m 1.0) (- (* m (/ m v)) m) (* m (- -1.0 (/ m v)))))
double code(double m, double v) {
double tmp;
if (m <= 1.0) {
tmp = (m * (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 <= 1.0d0) then
tmp = (m * (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 <= 1.0) {
tmp = (m * (m / v)) - m;
} else {
tmp = m * (-1.0 - (m / v));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.0: tmp = (m * (m / v)) - m else: tmp = m * (-1.0 - (m / v)) return tmp
function code(m, v) tmp = 0.0 if (m <= 1.0) tmp = Float64(Float64(m * Float64(m / 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 <= 1.0) tmp = (m * (m / v)) - m; else tmp = m * (-1.0 - (m / v)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.0], N[(N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision] - m), $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 \frac{m}{v} - m\\
\mathbf{else}:\\
\;\;\;\;m \cdot \left(-1 - \frac{m}{v}\right)\\
\end{array}
\end{array}
(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}
herbie shell --seed 2024003
(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))