
(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 14 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 (if (<= m 2.9e-15) (* (- (/ m v) 1.0) (- 1.0 m)) (/ (* (* (- 1.0 m) m) (- 1.0 m)) v)))
double code(double m, double v) {
double tmp;
if (m <= 2.9e-15) {
tmp = ((m / v) - 1.0) * (1.0 - m);
} else {
tmp = (((1.0 - m) * 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 <= 2.9d-15) then
tmp = ((m / v) - 1.0d0) * (1.0d0 - m)
else
tmp = (((1.0d0 - m) * m) * (1.0d0 - m)) / v
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 2.9e-15) {
tmp = ((m / v) - 1.0) * (1.0 - m);
} else {
tmp = (((1.0 - m) * m) * (1.0 - m)) / v;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 2.9e-15: tmp = ((m / v) - 1.0) * (1.0 - m) else: tmp = (((1.0 - m) * m) * (1.0 - m)) / v return tmp
function code(m, v) tmp = 0.0 if (m <= 2.9e-15) tmp = Float64(Float64(Float64(m / v) - 1.0) * Float64(1.0 - m)); else tmp = Float64(Float64(Float64(Float64(1.0 - m) * m) * Float64(1.0 - m)) / v); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 2.9e-15) tmp = ((m / v) - 1.0) * (1.0 - m); else tmp = (((1.0 - m) * m) * (1.0 - m)) / v; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 2.9e-15], N[(N[(N[(m / v), $MachinePrecision] - 1.0), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision], N[(N[(N[(N[(1.0 - m), $MachinePrecision] * m), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.9 \cdot 10^{-15}:\\
\;\;\;\;\left(\frac{m}{v} - 1\right) \cdot \left(1 - m\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{\left(\left(1 - m\right) \cdot m\right) \cdot \left(1 - m\right)}{v}\\
\end{array}
\end{array}
if m < 2.90000000000000019e-15Initial program 100.0%
Taylor expanded in m around 0
lower-/.f64100.0
Applied rewrites100.0%
if 2.90000000000000019e-15 < m Initial program 99.9%
Taylor expanded in v around 0
lower-/.f64N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
distribute-rgt-outN/A
lower-*.f64N/A
lower--.f64N/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
distribute-rgt-out--N/A
*-lft-identityN/A
unpow2N/A
associate--l-N/A
lower--.f64N/A
unpow2N/A
lower-fma.f6499.9
Applied rewrites99.9%
Taylor expanded in m around inf
Applied rewrites99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (* (- (/ m (/ v (- 1.0 m))) 1.0) (- 1.0 m)))
double code(double m, double v) {
return ((m / (v / (1.0 - m))) - 1.0) * (1.0 - m);
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = ((m / (v / (1.0d0 - m))) - 1.0d0) * (1.0d0 - m)
end function
public static double code(double m, double v) {
return ((m / (v / (1.0 - m))) - 1.0) * (1.0 - m);
}
def code(m, v): return ((m / (v / (1.0 - m))) - 1.0) * (1.0 - m)
function code(m, v) return Float64(Float64(Float64(m / Float64(v / Float64(1.0 - m))) - 1.0) * Float64(1.0 - m)) end
function tmp = code(m, v) tmp = ((m / (v / (1.0 - m))) - 1.0) * (1.0 - m); end
code[m_, v_] := N[(N[(N[(m / N[(v / N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{m}{\frac{v}{1 - m}} - 1\right) \cdot \left(1 - m\right)
\end{array}
Initial program 99.9%
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
clear-numN/A
un-div-invN/A
lower-/.f64N/A
lower-/.f6499.9
Applied rewrites99.9%
(FPCore (m v) :precision binary64 (if (<= m 3e-14) (fma (fma -2.0 m 1.0) (/ m v) (- m 1.0)) (* (/ (- 1.0 m) v) (* (- 1.0 m) m))))
double code(double m, double v) {
double tmp;
if (m <= 3e-14) {
tmp = fma(fma(-2.0, m, 1.0), (m / v), (m - 1.0));
} else {
tmp = ((1.0 - m) / v) * ((1.0 - m) * m);
}
return tmp;
}
function code(m, v) tmp = 0.0 if (m <= 3e-14) tmp = fma(fma(-2.0, m, 1.0), Float64(m / v), Float64(m - 1.0)); else tmp = Float64(Float64(Float64(1.0 - m) / v) * Float64(Float64(1.0 - m) * m)); end return tmp end
code[m_, v_] := If[LessEqual[m, 3e-14], N[(N[(-2.0 * m + 1.0), $MachinePrecision] * N[(m / v), $MachinePrecision] + N[(m - 1.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision] * N[(N[(1.0 - m), $MachinePrecision] * m), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 3 \cdot 10^{-14}:\\
\;\;\;\;\mathsf{fma}\left(\mathsf{fma}\left(-2, m, 1\right), \frac{m}{v}, m - 1\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{1 - m}{v} \cdot \left(\left(1 - m\right) \cdot m\right)\\
\end{array}
\end{array}
if m < 2.9999999999999998e-14Initial program 100.0%
Taylor expanded in m around 0
distribute-rgt-inN/A
*-lft-identityN/A
associate--l+N/A
+-commutativeN/A
associate-+l-N/A
unsub-negN/A
mul-1-negN/A
*-commutativeN/A
distribute-lft-inN/A
associate-*r*N/A
*-commutativeN/A
associate-*r/N/A
*-rgt-identityN/A
distribute-lft1-inN/A
lower-fma.f64N/A
lower-fma.f64N/A
lower-/.f64N/A
mul-1-negN/A
neg-sub0N/A
associate--r-N/A
Applied rewrites100.0%
if 2.9999999999999998e-14 < m Initial program 99.9%
Taylor expanded in v around 0
lower-/.f64N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
distribute-rgt-outN/A
lower-*.f64N/A
lower--.f64N/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
distribute-rgt-out--N/A
*-lft-identityN/A
unpow2N/A
associate--l-N/A
lower--.f64N/A
unpow2N/A
lower-fma.f6499.9
Applied rewrites99.9%
Taylor expanded in m around inf
Applied rewrites99.9%
Applied rewrites99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (if (<= m 1.0) (fma (fma -2.0 m 1.0) (/ m v) (- m 1.0)) (/ (* (* m m) (- m 2.0)) v)))
double code(double m, double v) {
double tmp;
if (m <= 1.0) {
tmp = fma(fma(-2.0, m, 1.0), (m / v), (m - 1.0));
} else {
tmp = ((m * m) * (m - 2.0)) / v;
}
return tmp;
}
function code(m, v) tmp = 0.0 if (m <= 1.0) tmp = fma(fma(-2.0, m, 1.0), Float64(m / v), Float64(m - 1.0)); else tmp = Float64(Float64(Float64(m * m) * Float64(m - 2.0)) / v); end return tmp end
code[m_, v_] := If[LessEqual[m, 1.0], N[(N[(-2.0 * m + 1.0), $MachinePrecision] * N[(m / v), $MachinePrecision] + N[(m - 1.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(m * m), $MachinePrecision] * N[(m - 2.0), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;\mathsf{fma}\left(\mathsf{fma}\left(-2, m, 1\right), \frac{m}{v}, m - 1\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{\left(m \cdot m\right) \cdot \left(m - 2\right)}{v}\\
\end{array}
\end{array}
if m < 1Initial program 100.0%
Taylor expanded in m around 0
distribute-rgt-inN/A
*-lft-identityN/A
associate--l+N/A
+-commutativeN/A
associate-+l-N/A
unsub-negN/A
mul-1-negN/A
*-commutativeN/A
distribute-lft-inN/A
associate-*r*N/A
*-commutativeN/A
associate-*r/N/A
*-rgt-identityN/A
distribute-lft1-inN/A
lower-fma.f64N/A
lower-fma.f64N/A
lower-/.f64N/A
mul-1-negN/A
neg-sub0N/A
associate--r-N/A
Applied rewrites98.7%
if 1 < m Initial program 99.9%
Taylor expanded in m around inf
Applied rewrites98.1%
Applied rewrites98.2%
Final simplification98.5%
(FPCore (m v) :precision binary64 (if (<= m 1.0) (/ (- (fma (fma -2.0 m v) m m) v) v) (/ (* (* m m) (- m 2.0)) v)))
double code(double m, double v) {
double tmp;
if (m <= 1.0) {
tmp = (fma(fma(-2.0, m, v), m, m) - v) / v;
} else {
tmp = ((m * m) * (m - 2.0)) / v;
}
return tmp;
}
function code(m, v) tmp = 0.0 if (m <= 1.0) tmp = Float64(Float64(fma(fma(-2.0, m, v), m, m) - v) / v); else tmp = Float64(Float64(Float64(m * m) * Float64(m - 2.0)) / v); end return tmp end
code[m_, v_] := If[LessEqual[m, 1.0], N[(N[(N[(N[(-2.0 * m + v), $MachinePrecision] * m + m), $MachinePrecision] - v), $MachinePrecision] / v), $MachinePrecision], N[(N[(N[(m * m), $MachinePrecision] * N[(m - 2.0), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;\frac{\mathsf{fma}\left(\mathsf{fma}\left(-2, m, v\right), m, m\right) - v}{v}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left(m \cdot m\right) \cdot \left(m - 2\right)}{v}\\
\end{array}
\end{array}
if m < 1Initial program 100.0%
Taylor expanded in v around 0
lower-/.f64N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
distribute-rgt-outN/A
lower-*.f64N/A
lower--.f64N/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
distribute-rgt-out--N/A
*-lft-identityN/A
unpow2N/A
associate--l-N/A
lower--.f64N/A
unpow2N/A
lower-fma.f6499.9
Applied rewrites99.9%
Taylor expanded in m around 0
Applied rewrites98.7%
if 1 < m Initial program 99.9%
Taylor expanded in m around inf
Applied rewrites98.1%
Applied rewrites98.2%
Final simplification98.4%
(FPCore (m v) :precision binary64 (if (<= m 1.6) (* (- (/ m v) 1.0) (- 1.0 m)) (/ (* (* m m) (- m 2.0)) v)))
double code(double m, double v) {
double tmp;
if (m <= 1.6) {
tmp = ((m / v) - 1.0) * (1.0 - m);
} 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 <= 1.6d0) then
tmp = ((m / v) - 1.0d0) * (1.0d0 - m)
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 <= 1.6) {
tmp = ((m / v) - 1.0) * (1.0 - m);
} else {
tmp = ((m * m) * (m - 2.0)) / v;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.6: tmp = ((m / v) - 1.0) * (1.0 - m) else: tmp = ((m * m) * (m - 2.0)) / v return tmp
function code(m, v) tmp = 0.0 if (m <= 1.6) tmp = Float64(Float64(Float64(m / v) - 1.0) * Float64(1.0 - m)); else tmp = Float64(Float64(Float64(m * m) * Float64(m - 2.0)) / v); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.6) tmp = ((m / v) - 1.0) * (1.0 - m); else tmp = ((m * m) * (m - 2.0)) / v; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.6], N[(N[(N[(m / v), $MachinePrecision] - 1.0), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision], N[(N[(N[(m * m), $MachinePrecision] * N[(m - 2.0), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.6:\\
\;\;\;\;\left(\frac{m}{v} - 1\right) \cdot \left(1 - m\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{\left(m \cdot m\right) \cdot \left(m - 2\right)}{v}\\
\end{array}
\end{array}
if m < 1.6000000000000001Initial program 100.0%
Taylor expanded in m around 0
lower-/.f6497.7
Applied rewrites97.7%
if 1.6000000000000001 < m Initial program 99.9%
Taylor expanded in m around inf
Applied rewrites98.1%
Applied rewrites98.2%
Final simplification97.9%
(FPCore (m v) :precision binary64 (if (<= m 1.6) (* (- (/ m v) 1.0) (- 1.0 m)) (* (/ (* m m) v) (- m 2.0))))
double code(double m, double v) {
double tmp;
if (m <= 1.6) {
tmp = ((m / v) - 1.0) * (1.0 - m);
} else {
tmp = ((m * m) / v) * (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 = ((m / v) - 1.0d0) * (1.0d0 - m)
else
tmp = ((m * m) / v) * (m - 2.0d0)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1.6) {
tmp = ((m / v) - 1.0) * (1.0 - m);
} else {
tmp = ((m * m) / v) * (m - 2.0);
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.6: tmp = ((m / v) - 1.0) * (1.0 - m) else: tmp = ((m * m) / v) * (m - 2.0) return tmp
function code(m, v) tmp = 0.0 if (m <= 1.6) tmp = Float64(Float64(Float64(m / v) - 1.0) * Float64(1.0 - m)); else tmp = Float64(Float64(Float64(m * m) / v) * Float64(m - 2.0)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.6) tmp = ((m / v) - 1.0) * (1.0 - m); else tmp = ((m * m) / v) * (m - 2.0); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.6], N[(N[(N[(m / v), $MachinePrecision] - 1.0), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision], N[(N[(N[(m * m), $MachinePrecision] / v), $MachinePrecision] * N[(m - 2.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.6:\\
\;\;\;\;\left(\frac{m}{v} - 1\right) \cdot \left(1 - m\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{m \cdot m}{v} \cdot \left(m - 2\right)\\
\end{array}
\end{array}
if m < 1.6000000000000001Initial program 100.0%
Taylor expanded in m around 0
lower-/.f6497.7
Applied rewrites97.7%
if 1.6000000000000001 < m Initial program 99.9%
Taylor expanded in m around inf
Applied rewrites98.1%
Applied rewrites98.1%
(FPCore (m v) :precision binary64 (if (<= m 1.6) (* (- (/ m v) 1.0) (- 1.0 m)) (* (* (/ m v) m) (- m 2.0))))
double code(double m, double v) {
double tmp;
if (m <= 1.6) {
tmp = ((m / v) - 1.0) * (1.0 - m);
} 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 = ((m / v) - 1.0d0) * (1.0d0 - m)
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 = ((m / v) - 1.0) * (1.0 - m);
} else {
tmp = ((m / v) * m) * (m - 2.0);
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.6: tmp = ((m / v) - 1.0) * (1.0 - m) else: tmp = ((m / v) * m) * (m - 2.0) return tmp
function code(m, v) tmp = 0.0 if (m <= 1.6) tmp = Float64(Float64(Float64(m / v) - 1.0) * Float64(1.0 - m)); else tmp = Float64(Float64(Float64(m / v) * m) * Float64(m - 2.0)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.6) tmp = ((m / v) - 1.0) * (1.0 - m); else tmp = ((m / v) * m) * (m - 2.0); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.6], N[(N[(N[(m / v), $MachinePrecision] - 1.0), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision], N[(N[(N[(m / v), $MachinePrecision] * m), $MachinePrecision] * N[(m - 2.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.6:\\
\;\;\;\;\left(\frac{m}{v} - 1\right) \cdot \left(1 - m\right)\\
\mathbf{else}:\\
\;\;\;\;\left(\frac{m}{v} \cdot m\right) \cdot \left(m - 2\right)\\
\end{array}
\end{array}
if m < 1.6000000000000001Initial program 100.0%
Taylor expanded in m around 0
lower-/.f6497.7
Applied rewrites97.7%
if 1.6000000000000001 < m Initial program 99.9%
Taylor expanded in m around inf
Applied rewrites98.1%
(FPCore (m v) :precision binary64 (* (- (/ (* (- 1.0 m) m) v) 1.0) (- 1.0 m)))
double code(double m, double v) {
return ((((1.0 - m) * m) / v) - 1.0) * (1.0 - m);
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = ((((1.0d0 - m) * m) / v) - 1.0d0) * (1.0d0 - m)
end function
public static double code(double m, double v) {
return ((((1.0 - m) * m) / v) - 1.0) * (1.0 - m);
}
def code(m, v): return ((((1.0 - m) * m) / v) - 1.0) * (1.0 - m)
function code(m, v) return Float64(Float64(Float64(Float64(Float64(1.0 - m) * m) / v) - 1.0) * Float64(1.0 - m)) end
function tmp = code(m, v) tmp = ((((1.0 - m) * m) / v) - 1.0) * (1.0 - m); end
code[m_, v_] := N[(N[(N[(N[(N[(1.0 - m), $MachinePrecision] * m), $MachinePrecision] / v), $MachinePrecision] - 1.0), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{\left(1 - m\right) \cdot m}{v} - 1\right) \cdot \left(1 - m\right)
\end{array}
Initial program 99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (/ (* (- m (fma m m v)) (- 1.0 m)) v))
double code(double m, double v) {
return ((m - fma(m, m, v)) * (1.0 - m)) / v;
}
function code(m, v) return Float64(Float64(Float64(m - fma(m, m, v)) * Float64(1.0 - m)) / v) end
code[m_, v_] := N[(N[(N[(m - N[(m * m + v), $MachinePrecision]), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]
\begin{array}{l}
\\
\frac{\left(m - \mathsf{fma}\left(m, m, v\right)\right) \cdot \left(1 - m\right)}{v}
\end{array}
Initial program 99.9%
Taylor expanded in v around 0
lower-/.f64N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
distribute-rgt-outN/A
lower-*.f64N/A
lower--.f64N/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
distribute-rgt-out--N/A
*-lft-identityN/A
unpow2N/A
associate--l-N/A
lower--.f64N/A
unpow2N/A
lower-fma.f6499.9
Applied rewrites99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (if (<= m 1.4e+154) (- (+ (/ m v) m) 1.0) (/ (fma m m -1.0) (- m -1.0))))
double code(double m, double v) {
double tmp;
if (m <= 1.4e+154) {
tmp = ((m / v) + m) - 1.0;
} else {
tmp = fma(m, m, -1.0) / (m - -1.0);
}
return tmp;
}
function code(m, v) tmp = 0.0 if (m <= 1.4e+154) tmp = Float64(Float64(Float64(m / v) + m) - 1.0); else tmp = Float64(fma(m, m, -1.0) / Float64(m - -1.0)); end return tmp end
code[m_, v_] := If[LessEqual[m, 1.4e+154], N[(N[(N[(m / v), $MachinePrecision] + m), $MachinePrecision] - 1.0), $MachinePrecision], N[(N[(m * m + -1.0), $MachinePrecision] / N[(m - -1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.4 \cdot 10^{+154}:\\
\;\;\;\;\left(\frac{m}{v} + m\right) - 1\\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{fma}\left(m, m, -1\right)}{m - -1}\\
\end{array}
\end{array}
if m < 1.4e154Initial program 99.9%
Taylor expanded in m around 0
lower--.f64N/A
+-commutativeN/A
distribute-rgt-inN/A
associate-*l/N/A
*-lft-identityN/A
*-lft-identityN/A
lower-+.f64N/A
lower-/.f6472.2
Applied rewrites72.2%
if 1.4e154 < m Initial program 100.0%
Taylor expanded in v around inf
mul-1-negN/A
neg-sub0N/A
associate--r-N/A
metadata-evalN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lower--.f646.7
Applied rewrites6.7%
Applied rewrites100.0%
(FPCore (m v) :precision binary64 (- (+ (/ m v) m) 1.0))
double code(double m, double v) {
return ((m / v) + m) - 1.0;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
code = ((m / v) + m) - 1.0d0
end function
public static double code(double m, double v) {
return ((m / v) + m) - 1.0;
}
def code(m, v): return ((m / v) + m) - 1.0
function code(m, v) return Float64(Float64(Float64(m / v) + m) - 1.0) end
function tmp = code(m, v) tmp = ((m / v) + m) - 1.0; end
code[m_, v_] := N[(N[(N[(m / v), $MachinePrecision] + m), $MachinePrecision] - 1.0), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{m}{v} + m\right) - 1
\end{array}
Initial program 99.9%
Taylor expanded in m around 0
lower--.f64N/A
+-commutativeN/A
distribute-rgt-inN/A
associate-*l/N/A
*-lft-identityN/A
*-lft-identityN/A
lower-+.f64N/A
lower-/.f6472.5
Applied rewrites72.5%
(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%
Taylor expanded in v around inf
mul-1-negN/A
neg-sub0N/A
associate--r-N/A
metadata-evalN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lower--.f6424.7
Applied rewrites24.7%
(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%
Taylor expanded in v around 0
lower-/.f64N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
distribute-rgt-outN/A
lower-*.f64N/A
lower--.f64N/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
distribute-rgt-out--N/A
*-lft-identityN/A
unpow2N/A
associate--l-N/A
lower--.f64N/A
unpow2N/A
lower-fma.f6499.9
Applied rewrites99.9%
Taylor expanded in m around 0
Applied rewrites22.3%
herbie shell --seed 2024332
(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)))