
(FPCore (x y z t a) :precision binary64 (+ x (* y (/ (- z t) (- a t)))))
double code(double x, double y, double z, double t, double a) {
return x + (y * ((z - t) / (a - t)));
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x + (y * ((z - t) / (a - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + (y * ((z - t) / (a - t)));
}
def code(x, y, z, t, a): return x + (y * ((z - t) / (a - t)))
function code(x, y, z, t, a) return Float64(x + Float64(y * Float64(Float64(z - t) / Float64(a - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + (y * ((z - t) / (a - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(y * N[(N[(z - t), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + y \cdot \frac{z - t}{a - t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a) :precision binary64 (+ x (* y (/ (- z t) (- a t)))))
double code(double x, double y, double z, double t, double a) {
return x + (y * ((z - t) / (a - t)));
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x + (y * ((z - t) / (a - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + (y * ((z - t) / (a - t)));
}
def code(x, y, z, t, a): return x + (y * ((z - t) / (a - t)))
function code(x, y, z, t, a) return Float64(x + Float64(y * Float64(Float64(z - t) / Float64(a - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + (y * ((z - t) / (a - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(y * N[(N[(z - t), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + y \cdot \frac{z - t}{a - t}
\end{array}
(FPCore (x y z t a) :precision binary64 (+ x (* (- z t) (/ y (- a t)))))
double code(double x, double y, double z, double t, double a) {
return x + ((z - t) * (y / (a - t)));
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x + ((z - t) * (y / (a - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((z - t) * (y / (a - t)));
}
def code(x, y, z, t, a): return x + ((z - t) * (y / (a - t)))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(z - t) * Float64(y / Float64(a - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + ((z - t) * (y / (a - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(z - t), $MachinePrecision] * N[(y / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(z - t\right) \cdot \frac{y}{a - t}
\end{array}
Initial program 97.7%
associate-*r/88.2%
Simplified88.2%
*-commutative88.2%
associate-/l*98.8%
Applied egg-rr98.8%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -2.1e+67) (not (<= t 1.8e+27))) (- x (* y (+ (/ z t) -1.0))) (+ x (* z (/ y (- a t))))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -2.1e+67) || !(t <= 1.8e+27)) {
tmp = x - (y * ((z / t) + -1.0));
} else {
tmp = x + (z * (y / (a - t)));
}
return tmp;
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8) :: tmp
if ((t <= (-2.1d+67)) .or. (.not. (t <= 1.8d+27))) then
tmp = x - (y * ((z / t) + (-1.0d0)))
else
tmp = x + (z * (y / (a - t)))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -2.1e+67) || !(t <= 1.8e+27)) {
tmp = x - (y * ((z / t) + -1.0));
} else {
tmp = x + (z * (y / (a - t)));
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if (t <= -2.1e+67) or not (t <= 1.8e+27): tmp = x - (y * ((z / t) + -1.0)) else: tmp = x + (z * (y / (a - t))) return tmp
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -2.1e+67) || !(t <= 1.8e+27)) tmp = Float64(x - Float64(y * Float64(Float64(z / t) + -1.0))); else tmp = Float64(x + Float64(z * Float64(y / Float64(a - t)))); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if ((t <= -2.1e+67) || ~((t <= 1.8e+27))) tmp = x - (y * ((z / t) + -1.0)); else tmp = x + (z * (y / (a - t))); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -2.1e+67], N[Not[LessEqual[t, 1.8e+27]], $MachinePrecision]], N[(x - N[(y * N[(N[(z / t), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(z * N[(y / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -2.1 \cdot 10^{+67} \lor \neg \left(t \leq 1.8 \cdot 10^{+27}\right):\\
\;\;\;\;x - y \cdot \left(\frac{z}{t} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;x + z \cdot \frac{y}{a - t}\\
\end{array}
\end{array}
if t < -2.1000000000000001e67 or 1.79999999999999991e27 < t Initial program 99.9%
Taylor expanded in a around 0 67.9%
mul-1-neg67.9%
unsub-neg67.9%
associate-/l*93.2%
div-sub93.2%
sub-neg93.2%
*-inverses93.2%
metadata-eval93.2%
Simplified93.2%
if -2.1000000000000001e67 < t < 1.79999999999999991e27Initial program 96.3%
associate-*r/96.9%
Simplified96.9%
*-commutative96.9%
associate-/l*99.2%
Applied egg-rr99.2%
Taylor expanded in z around inf 89.9%
associate-*l/92.2%
*-commutative92.2%
Simplified92.2%
Final simplification92.6%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -1.1e+139) (not (<= t 8.5e+123))) (+ x y) (+ x (* z (/ y (- a t))))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -1.1e+139) || !(t <= 8.5e+123)) {
tmp = x + y;
} else {
tmp = x + (z * (y / (a - t)));
}
return tmp;
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8) :: tmp
if ((t <= (-1.1d+139)) .or. (.not. (t <= 8.5d+123))) then
tmp = x + y
else
tmp = x + (z * (y / (a - t)))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -1.1e+139) || !(t <= 8.5e+123)) {
tmp = x + y;
} else {
tmp = x + (z * (y / (a - t)));
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if (t <= -1.1e+139) or not (t <= 8.5e+123): tmp = x + y else: tmp = x + (z * (y / (a - t))) return tmp
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -1.1e+139) || !(t <= 8.5e+123)) tmp = Float64(x + y); else tmp = Float64(x + Float64(z * Float64(y / Float64(a - t)))); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if ((t <= -1.1e+139) || ~((t <= 8.5e+123))) tmp = x + y; else tmp = x + (z * (y / (a - t))); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -1.1e+139], N[Not[LessEqual[t, 8.5e+123]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(x + N[(z * N[(y / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.1 \cdot 10^{+139} \lor \neg \left(t \leq 8.5 \cdot 10^{+123}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;x + z \cdot \frac{y}{a - t}\\
\end{array}
\end{array}
if t < -1.1e139 or 8.5e123 < t Initial program 100.0%
Taylor expanded in t around inf 89.6%
+-commutative89.6%
Simplified89.6%
if -1.1e139 < t < 8.5e123Initial program 96.9%
associate-*r/96.9%
Simplified96.9%
*-commutative96.9%
associate-/l*99.3%
Applied egg-rr99.3%
Taylor expanded in z around inf 88.5%
associate-*l/90.4%
*-commutative90.4%
Simplified90.4%
Final simplification90.2%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -7500000.0) (not (<= t 0.0065))) (+ x y) (+ x (* z (/ y a)))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -7500000.0) || !(t <= 0.0065)) {
tmp = x + y;
} else {
tmp = x + (z * (y / a));
}
return tmp;
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8) :: tmp
if ((t <= (-7500000.0d0)) .or. (.not. (t <= 0.0065d0))) then
tmp = x + y
else
tmp = x + (z * (y / a))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -7500000.0) || !(t <= 0.0065)) {
tmp = x + y;
} else {
tmp = x + (z * (y / a));
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if (t <= -7500000.0) or not (t <= 0.0065): tmp = x + y else: tmp = x + (z * (y / a)) return tmp
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -7500000.0) || !(t <= 0.0065)) tmp = Float64(x + y); else tmp = Float64(x + Float64(z * Float64(y / a))); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if ((t <= -7500000.0) || ~((t <= 0.0065))) tmp = x + y; else tmp = x + (z * (y / a)); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -7500000.0], N[Not[LessEqual[t, 0.0065]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(x + N[(z * N[(y / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -7500000 \lor \neg \left(t \leq 0.0065\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;x + z \cdot \frac{y}{a}\\
\end{array}
\end{array}
if t < -7.5e6 or 0.0064999999999999997 < t Initial program 99.9%
Taylor expanded in t around inf 80.0%
+-commutative80.0%
Simplified80.0%
if -7.5e6 < t < 0.0064999999999999997Initial program 95.7%
associate-*r/97.8%
Simplified97.8%
*-commutative97.8%
associate-/l*99.8%
Applied egg-rr99.8%
Taylor expanded in t around 0 80.7%
*-commutative80.7%
associate-*r/82.0%
Simplified82.0%
Final simplification81.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -24000.0) (not (<= t 0.0075))) (+ x y) x))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -24000.0) || !(t <= 0.0075)) {
tmp = x + y;
} else {
tmp = x;
}
return tmp;
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8) :: tmp
if ((t <= (-24000.0d0)) .or. (.not. (t <= 0.0075d0))) then
tmp = x + y
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -24000.0) || !(t <= 0.0075)) {
tmp = x + y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if (t <= -24000.0) or not (t <= 0.0075): tmp = x + y else: tmp = x return tmp
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -24000.0) || !(t <= 0.0075)) tmp = Float64(x + y); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if ((t <= -24000.0) || ~((t <= 0.0075))) tmp = x + y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -24000.0], N[Not[LessEqual[t, 0.0075]], $MachinePrecision]], N[(x + y), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -24000 \lor \neg \left(t \leq 0.0075\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if t < -24000 or 0.0074999999999999997 < t Initial program 99.9%
Taylor expanded in t around inf 79.4%
+-commutative79.4%
Simplified79.4%
if -24000 < t < 0.0074999999999999997Initial program 95.7%
Taylor expanded in x around inf 56.1%
Final simplification67.1%
(FPCore (x y z t a) :precision binary64 (+ x (* y (/ (- z t) (- a t)))))
double code(double x, double y, double z, double t, double a) {
return x + (y * ((z - t) / (a - t)));
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x + (y * ((z - t) / (a - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + (y * ((z - t) / (a - t)));
}
def code(x, y, z, t, a): return x + (y * ((z - t) / (a - t)))
function code(x, y, z, t, a) return Float64(x + Float64(y * Float64(Float64(z - t) / Float64(a - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + (y * ((z - t) / (a - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(y * N[(N[(z - t), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + y \cdot \frac{z - t}{a - t}
\end{array}
Initial program 97.7%
(FPCore (x y z t a) :precision binary64 (if (<= y 1.55e+97) x y))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 1.55e+97) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8) :: tmp
if (y <= 1.55d+97) then
tmp = x
else
tmp = y
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 1.55e+97) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if y <= 1.55e+97: tmp = x else: tmp = y return tmp
function code(x, y, z, t, a) tmp = 0.0 if (y <= 1.55e+97) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (y <= 1.55e+97) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[y, 1.55e+97], x, y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 1.55 \cdot 10^{+97}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if y < 1.54999999999999991e97Initial program 97.7%
Taylor expanded in x around inf 63.0%
if 1.54999999999999991e97 < y Initial program 97.6%
Taylor expanded in t around inf 42.3%
+-commutative42.3%
Simplified42.3%
Taylor expanded in x around inf 33.6%
Taylor expanded in x around 0 31.9%
(FPCore (x y z t a) :precision binary64 x)
double code(double x, double y, double z, double t, double a) {
return x;
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x
end function
public static double code(double x, double y, double z, double t, double a) {
return x;
}
def code(x, y, z, t, a): return x
function code(x, y, z, t, a) return x end
function tmp = code(x, y, z, t, a) tmp = x; end
code[x_, y_, z_, t_, a_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 97.7%
Taylor expanded in x around inf 55.3%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (+ x (* y (/ (- z t) (- a t))))))
(if (< y -8.508084860551241e-17)
t_1
(if (< y 2.894426862792089e-49)
(+ x (* (* y (- z t)) (/ 1.0 (- a t))))
t_1))))
double code(double x, double y, double z, double t, double a) {
double t_1 = x + (y * ((z - t) / (a - t)));
double tmp;
if (y < -8.508084860551241e-17) {
tmp = t_1;
} else if (y < 2.894426862792089e-49) {
tmp = x + ((y * (z - t)) * (1.0 / (a - t)));
} else {
tmp = t_1;
}
return tmp;
}
real(8) function code(x, y, z, t, a)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8) :: t_1
real(8) :: tmp
t_1 = x + (y * ((z - t) / (a - t)))
if (y < (-8.508084860551241d-17)) then
tmp = t_1
else if (y < 2.894426862792089d-49) then
tmp = x + ((y * (z - t)) * (1.0d0 / (a - t)))
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double t_1 = x + (y * ((z - t) / (a - t)));
double tmp;
if (y < -8.508084860551241e-17) {
tmp = t_1;
} else if (y < 2.894426862792089e-49) {
tmp = x + ((y * (z - t)) * (1.0 / (a - t)));
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t, a): t_1 = x + (y * ((z - t) / (a - t))) tmp = 0 if y < -8.508084860551241e-17: tmp = t_1 elif y < 2.894426862792089e-49: tmp = x + ((y * (z - t)) * (1.0 / (a - t))) else: tmp = t_1 return tmp
function code(x, y, z, t, a) t_1 = Float64(x + Float64(y * Float64(Float64(z - t) / Float64(a - t)))) tmp = 0.0 if (y < -8.508084860551241e-17) tmp = t_1; elseif (y < 2.894426862792089e-49) tmp = Float64(x + Float64(Float64(y * Float64(z - t)) * Float64(1.0 / Float64(a - t)))); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t, a) t_1 = x + (y * ((z - t) / (a - t))); tmp = 0.0; if (y < -8.508084860551241e-17) tmp = t_1; elseif (y < 2.894426862792089e-49) tmp = x + ((y * (z - t)) * (1.0 / (a - t))); else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(x + N[(y * N[(N[(z - t), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Less[y, -8.508084860551241e-17], t$95$1, If[Less[y, 2.894426862792089e-49], N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] * N[(1.0 / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := x + y \cdot \frac{z - t}{a - t}\\
\mathbf{if}\;y < -8.508084860551241 \cdot 10^{-17}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;y < 2.894426862792089 \cdot 10^{-49}:\\
\;\;\;\;x + \left(y \cdot \left(z - t\right)\right) \cdot \frac{1}{a - t}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
herbie shell --seed 2024177
(FPCore (x y z t a)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisLine from plot-0.2.3.4, B"
:precision binary64
:alt
(! :herbie-platform default (if (< y -8508084860551241/100000000000000000000000000000000) (+ x (* y (/ (- z t) (- a t)))) (if (< y 2894426862792089/10000000000000000000000000000000000000000000000000000000000000000) (+ x (* (* y (- z t)) (/ 1 (- a t)))) (+ x (* y (/ (- z t) (- a t)))))))
(+ x (* y (/ (- z t) (- a t)))))