
(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/99.9%
metadata-eval99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (m v) :precision binary64 (if (<= m 3e-30) (+ -1.0 (+ m (/ m v))) (* (/ m v) (* (- 1.0 m) (- 1.0 m)))))
double code(double m, double v) {
double tmp;
if (m <= 3e-30) {
tmp = -1.0 + (m + (m / v));
} else {
tmp = (m / v) * ((1.0 - m) * (1.0 - m));
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 3d-30) then
tmp = (-1.0d0) + (m + (m / v))
else
tmp = (m / v) * ((1.0d0 - m) * (1.0d0 - m))
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 3e-30) {
tmp = -1.0 + (m + (m / v));
} else {
tmp = (m / v) * ((1.0 - m) * (1.0 - m));
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 3e-30: tmp = -1.0 + (m + (m / v)) else: tmp = (m / v) * ((1.0 - m) * (1.0 - m)) return tmp
function code(m, v) tmp = 0.0 if (m <= 3e-30) tmp = Float64(-1.0 + Float64(m + Float64(m / v))); else tmp = Float64(Float64(m / v) * Float64(Float64(1.0 - m) * Float64(1.0 - m))); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 3e-30) tmp = -1.0 + (m + (m / v)); else tmp = (m / v) * ((1.0 - m) * (1.0 - m)); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 3e-30], N[(-1.0 + N[(m + N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * N[(N[(1.0 - m), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 3 \cdot 10^{-30}:\\
\;\;\;\;-1 + \left(m + \frac{m}{v}\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v} \cdot \left(\left(1 - m\right) \cdot \left(1 - m\right)\right)\\
\end{array}
\end{array}
if m < 2.9999999999999999e-30Initial 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 2.9999999999999999e-30 < 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 99.2%
associate-*l/99.2%
Simplified99.2%
unpow299.2%
Applied egg-rr99.2%
Final simplification99.5%
(FPCore (m v) :precision binary64 (if (<= m 1.0) (* (- 1.0 m) (+ (/ m v) -1.0)) (* (/ m v) (+ 1.0 m))))
double code(double m, double v) {
double tmp;
if (m <= 1.0) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m / v) * (1.0 + m);
}
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 = (1.0d0 - m) * ((m / v) + (-1.0d0))
else
tmp = (m / v) * (1.0d0 + m)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1.0) {
tmp = (1.0 - m) * ((m / v) + -1.0);
} else {
tmp = (m / v) * (1.0 + m);
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.0: tmp = (1.0 - m) * ((m / v) + -1.0) else: tmp = (m / v) * (1.0 + m) return tmp
function code(m, v) tmp = 0.0 if (m <= 1.0) tmp = Float64(Float64(1.0 - m) * Float64(Float64(m / v) + -1.0)); else tmp = Float64(Float64(m / v) * Float64(1.0 + m)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.0) tmp = (1.0 - m) * ((m / v) + -1.0); else tmp = (m / v) * (1.0 + m); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.0], N[(N[(1.0 - m), $MachinePrecision] * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * N[(1.0 + m), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;\left(1 - m\right) \cdot \left(\frac{m}{v} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v} \cdot \left(1 + m\right)\\
\end{array}
\end{array}
if m < 1Initial program 99.9%
Taylor expanded in m around 0 97.3%
if 1 < m Initial program 99.9%
Taylor expanded in m around 0 0.1%
Taylor expanded in v around 0 0.1%
associate-*l/0.1%
sub-neg0.1%
distribute-lft-in0.1%
*-rgt-identity0.1%
associate-/r/0.1%
remove-double-neg0.1%
frac-2neg0.1%
add-sqr-sqrt0.0%
sqrt-unprod78.6%
sqr-neg78.6%
sqrt-unprod76.2%
add-sqr-sqrt76.2%
Applied egg-rr76.2%
associate-/l*76.2%
associate-*r/76.2%
distribute-rgt1-in76.2%
Simplified76.2%
Final simplification85.6%
(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 99.9%
Taylor expanded in m around 0 97.3%
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 99.0%
+-commutative99.0%
unpow299.0%
distribute-rgt-out99.0%
Simplified99.0%
Final simplification98.2%
(FPCore (m v) :precision binary64 (if (<= m 1.15e-177) -1.0 (* (/ m v) (+ 1.0 m))))
double code(double m, double v) {
double tmp;
if (m <= 1.15e-177) {
tmp = -1.0;
} else {
tmp = (m / v) * (1.0 + m);
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 1.15d-177) then
tmp = -1.0d0
else
tmp = (m / v) * (1.0d0 + m)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 1.15e-177) {
tmp = -1.0;
} else {
tmp = (m / v) * (1.0 + m);
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.15e-177: tmp = -1.0 else: tmp = (m / v) * (1.0 + m) return tmp
function code(m, v) tmp = 0.0 if (m <= 1.15e-177) tmp = -1.0; else tmp = Float64(Float64(m / v) * Float64(1.0 + m)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.15e-177) tmp = -1.0; else tmp = (m / v) * (1.0 + m); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.15e-177], -1.0, N[(N[(m / v), $MachinePrecision] * N[(1.0 + m), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.15 \cdot 10^{-177}:\\
\;\;\;\;-1\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v} \cdot \left(1 + m\right)\\
\end{array}
\end{array}
if m < 1.15000000000000011e-177Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 79.1%
if 1.15000000000000011e-177 < m Initial program 99.9%
Taylor expanded in m around 0 30.6%
Taylor expanded in v around 0 23.9%
associate-*l/23.9%
sub-neg23.9%
distribute-lft-in23.9%
*-rgt-identity23.9%
associate-/r/23.9%
remove-double-neg23.9%
frac-2neg23.9%
add-sqr-sqrt0.0%
sqrt-unprod60.6%
sqr-neg60.6%
sqrt-unprod75.5%
add-sqr-sqrt75.5%
Applied egg-rr75.5%
associate-/l*75.5%
associate-*r/75.5%
distribute-rgt1-in75.5%
Simplified75.5%
Final simplification76.2%
(FPCore (m v) :precision binary64 (if (<= m 2.3) (+ -1.0 (+ m (/ m v))) (* (/ m v) (+ 1.0 m))))
double code(double m, double v) {
double tmp;
if (m <= 2.3) {
tmp = -1.0 + (m + (m / v));
} else {
tmp = (m / v) * (1.0 + m);
}
return tmp;
}
real(8) function code(m, v)
real(8), intent (in) :: m
real(8), intent (in) :: v
real(8) :: tmp
if (m <= 2.3d0) then
tmp = (-1.0d0) + (m + (m / v))
else
tmp = (m / v) * (1.0d0 + m)
end if
code = tmp
end function
public static double code(double m, double v) {
double tmp;
if (m <= 2.3) {
tmp = -1.0 + (m + (m / v));
} else {
tmp = (m / v) * (1.0 + m);
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 2.3: tmp = -1.0 + (m + (m / v)) else: tmp = (m / v) * (1.0 + m) return tmp
function code(m, v) tmp = 0.0 if (m <= 2.3) tmp = Float64(-1.0 + Float64(m + Float64(m / v))); else tmp = Float64(Float64(m / v) * Float64(1.0 + m)); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 2.3) tmp = -1.0 + (m + (m / v)); else tmp = (m / v) * (1.0 + m); end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 2.3], N[(-1.0 + N[(m + N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * N[(1.0 + m), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.3:\\
\;\;\;\;-1 + \left(m + \frac{m}{v}\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v} \cdot \left(1 + m\right)\\
\end{array}
\end{array}
if m < 2.2999999999999998Initial program 99.9%
*-commutative99.9%
sub-neg99.9%
associate-*l/99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 97.0%
+-commutative97.0%
distribute-lft-in97.0%
div-inv97.2%
*-rgt-identity97.2%
Applied egg-rr97.2%
if 2.2999999999999998 < m Initial program 99.9%
Taylor expanded in m around 0 0.1%
Taylor expanded in v around 0 0.1%
associate-*l/0.1%
sub-neg0.1%
distribute-lft-in0.1%
*-rgt-identity0.1%
associate-/r/0.1%
remove-double-neg0.1%
frac-2neg0.1%
add-sqr-sqrt0.0%
sqrt-unprod78.6%
sqr-neg78.6%
sqrt-unprod76.2%
add-sqr-sqrt76.2%
Applied egg-rr76.2%
associate-/l*76.2%
associate-*r/76.2%
distribute-rgt1-in76.2%
Simplified76.2%
Final simplification85.5%
(FPCore (m v) :precision binary64 (if (<= m 1.6e-178) -1.0 (/ m v)))
double code(double m, double v) {
double tmp;
if (m <= 1.6e-178) {
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 <= 1.6d-178) 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 <= 1.6e-178) {
tmp = -1.0;
} else {
tmp = m / v;
}
return tmp;
}
def code(m, v): tmp = 0 if m <= 1.6e-178: tmp = -1.0 else: tmp = m / v return tmp
function code(m, v) tmp = 0.0 if (m <= 1.6e-178) tmp = -1.0; else tmp = Float64(m / v); end return tmp end
function tmp_2 = code(m, v) tmp = 0.0; if (m <= 1.6e-178) tmp = -1.0; else tmp = m / v; end tmp_2 = tmp; end
code[m_, v_] := If[LessEqual[m, 1.6e-178], -1.0, N[(m / v), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.6 \cdot 10^{-178}:\\
\;\;\;\;-1\\
\mathbf{else}:\\
\;\;\;\;\frac{m}{v}\\
\end{array}
\end{array}
if m < 1.6e-178Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
associate-*l/100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in m around 0 79.1%
if 1.6e-178 < 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 93.0%
associate-*l/93.0%
Simplified93.0%
Taylor expanded in m around 0 61.6%
Final simplification64.8%
(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/99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in v around inf 22.3%
neg-mul-122.3%
neg-sub022.3%
associate--r-22.3%
metadata-eval22.3%
Simplified22.3%
Final simplification22.3%
(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/99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in m around 0 19.6%
Final simplification19.6%
herbie shell --seed 2024021
(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)))