
(FPCore (x y z t) :precision binary64 (+ x (* (- y x) (/ z t))))
double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x + ((y - x) * (z / t))
end function
public static double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
def code(x, y, z, t): return x + ((y - x) * (z / t))
function code(x, y, z, t) return Float64(x + Float64(Float64(y - x) * Float64(z / t))) end
function tmp = code(x, y, z, t) tmp = x + ((y - x) * (z / t)); end
code[x_, y_, z_, t_] := N[(x + N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(y - x\right) \cdot \frac{z}{t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t) :precision binary64 (+ x (* (- y x) (/ z t))))
double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x + ((y - x) * (z / t))
end function
public static double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
def code(x, y, z, t): return x + ((y - x) * (z / t))
function code(x, y, z, t) return Float64(x + Float64(Float64(y - x) * Float64(z / t))) end
function tmp = code(x, y, z, t) tmp = x + ((y - x) * (z / t)); end
code[x_, y_, z_, t_] := N[(x + N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(y - x\right) \cdot \frac{z}{t}
\end{array}
(FPCore (x y z t) :precision binary64 (+ x (* (- y x) (/ z t))))
double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x + ((y - x) * (z / t))
end function
public static double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
def code(x, y, z, t): return x + ((y - x) * (z / t))
function code(x, y, z, t) return Float64(x + Float64(Float64(y - x) * Float64(z / t))) end
function tmp = code(x, y, z, t) tmp = x + ((y - x) * (z / t)); end
code[x_, y_, z_, t_] := N[(x + N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(y - x\right) \cdot \frac{z}{t}
\end{array}
Initial program 97.7%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -5e+63) (not (<= (/ z t) 2.0))) (* z (/ (- y x) t)) (+ x (* y (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -5e+63) || !((z / t) <= 2.0)) {
tmp = z * ((y - x) / t);
} else {
tmp = x + (y * (z / t));
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if (((z / t) <= (-5d+63)) .or. (.not. ((z / t) <= 2.0d0))) then
tmp = z * ((y - x) / t)
else
tmp = x + (y * (z / t))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -5e+63) || !((z / t) <= 2.0)) {
tmp = z * ((y - x) / t);
} else {
tmp = x + (y * (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -5e+63) or not ((z / t) <= 2.0): tmp = z * ((y - x) / t) else: tmp = x + (y * (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -5e+63) || !(Float64(z / t) <= 2.0)) tmp = Float64(z * Float64(Float64(y - x) / t)); else tmp = Float64(x + Float64(y * Float64(z / t))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((z / t) <= -5e+63) || ~(((z / t) <= 2.0))) tmp = z * ((y - x) / t); else tmp = x + (y * (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -5e+63], N[Not[LessEqual[N[(z / t), $MachinePrecision], 2.0]], $MachinePrecision]], N[(z * N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], N[(x + N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -5 \cdot 10^{+63} \lor \neg \left(\frac{z}{t} \leq 2\right):\\
\;\;\;\;z \cdot \frac{y - x}{t}\\
\mathbf{else}:\\
\;\;\;\;x + y \cdot \frac{z}{t}\\
\end{array}
\end{array}
if (/.f64 z t) < -5.00000000000000011e63 or 2 < (/.f64 z t) Initial program 97.5%
Taylor expanded in z around inf 89.2%
associate--l+89.2%
div-sub92.6%
Simplified92.6%
Taylor expanded in z around inf 90.6%
div-sub94.8%
Simplified94.8%
if -5.00000000000000011e63 < (/.f64 z t) < 2Initial program 97.8%
Taylor expanded in y around inf 94.2%
associate-*r/95.8%
Simplified95.8%
Final simplification95.3%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -200000000.0) (not (<= (/ z t) 2e-22))) (* z (/ (- y x) t)) (* x (- 1.0 (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -200000000.0) || !((z / t) <= 2e-22)) {
tmp = z * ((y - x) / t);
} else {
tmp = x * (1.0 - (z / t));
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if (((z / t) <= (-200000000.0d0)) .or. (.not. ((z / t) <= 2d-22))) then
tmp = z * ((y - x) / t)
else
tmp = x * (1.0d0 - (z / t))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -200000000.0) || !((z / t) <= 2e-22)) {
tmp = z * ((y - x) / t);
} else {
tmp = x * (1.0 - (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -200000000.0) or not ((z / t) <= 2e-22): tmp = z * ((y - x) / t) else: tmp = x * (1.0 - (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -200000000.0) || !(Float64(z / t) <= 2e-22)) tmp = Float64(z * Float64(Float64(y - x) / t)); else tmp = Float64(x * Float64(1.0 - Float64(z / t))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((z / t) <= -200000000.0) || ~(((z / t) <= 2e-22))) tmp = z * ((y - x) / t); else tmp = x * (1.0 - (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -200000000.0], N[Not[LessEqual[N[(z / t), $MachinePrecision], 2e-22]], $MachinePrecision]], N[(z * N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -200000000 \lor \neg \left(\frac{z}{t} \leq 2 \cdot 10^{-22}\right):\\
\;\;\;\;z \cdot \frac{y - x}{t}\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 - \frac{z}{t}\right)\\
\end{array}
\end{array}
if (/.f64 z t) < -2e8 or 2.0000000000000001e-22 < (/.f64 z t) Initial program 97.7%
Taylor expanded in z around inf 87.5%
associate--l+87.5%
div-sub90.7%
Simplified90.7%
Taylor expanded in z around inf 88.1%
div-sub92.0%
Simplified92.0%
if -2e8 < (/.f64 z t) < 2.0000000000000001e-22Initial program 97.6%
Taylor expanded in x around inf 72.2%
mul-1-neg72.2%
unsub-neg72.2%
Simplified72.2%
Final simplification82.3%
(FPCore (x y z t) :precision binary64 (if (or (<= y -2.9e+20) (not (<= y 2.2e+137))) (/ y (/ t z)) (* x (- 1.0 (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -2.9e+20) || !(y <= 2.2e+137)) {
tmp = y / (t / z);
} else {
tmp = x * (1.0 - (z / t));
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if ((y <= (-2.9d+20)) .or. (.not. (y <= 2.2d+137))) then
tmp = y / (t / z)
else
tmp = x * (1.0d0 - (z / t))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -2.9e+20) || !(y <= 2.2e+137)) {
tmp = y / (t / z);
} else {
tmp = x * (1.0 - (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -2.9e+20) or not (y <= 2.2e+137): tmp = y / (t / z) else: tmp = x * (1.0 - (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -2.9e+20) || !(y <= 2.2e+137)) tmp = Float64(y / Float64(t / z)); else tmp = Float64(x * Float64(1.0 - Float64(z / t))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -2.9e+20) || ~((y <= 2.2e+137))) tmp = y / (t / z); else tmp = x * (1.0 - (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -2.9e+20], N[Not[LessEqual[y, 2.2e+137]], $MachinePrecision]], N[(y / N[(t / z), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.9 \cdot 10^{+20} \lor \neg \left(y \leq 2.2 \cdot 10^{+137}\right):\\
\;\;\;\;\frac{y}{\frac{t}{z}}\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 - \frac{z}{t}\right)\\
\end{array}
\end{array}
if y < -2.9e20 or 2.20000000000000015e137 < y Initial program 98.2%
Taylor expanded in z around inf 79.7%
associate--l+79.7%
div-sub82.5%
Simplified82.5%
Taylor expanded in x around 0 69.0%
*-commutative69.0%
associate-/r/77.6%
Applied egg-rr77.6%
if -2.9e20 < y < 2.20000000000000015e137Initial program 97.3%
Taylor expanded in x around inf 82.5%
mul-1-neg82.5%
unsub-neg82.5%
Simplified82.5%
Final simplification80.4%
(FPCore (x y z t) :precision binary64 (if (or (<= y -6.8e+20) (not (<= y 1.5e+104))) (/ y (/ t z)) x))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -6.8e+20) || !(y <= 1.5e+104)) {
tmp = y / (t / z);
} else {
tmp = x;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if ((y <= (-6.8d+20)) .or. (.not. (y <= 1.5d+104))) then
tmp = y / (t / z)
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -6.8e+20) || !(y <= 1.5e+104)) {
tmp = y / (t / z);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -6.8e+20) or not (y <= 1.5e+104): tmp = y / (t / z) else: tmp = x return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -6.8e+20) || !(y <= 1.5e+104)) tmp = Float64(y / Float64(t / z)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -6.8e+20) || ~((y <= 1.5e+104))) tmp = y / (t / z); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -6.8e+20], N[Not[LessEqual[y, 1.5e+104]], $MachinePrecision]], N[(y / N[(t / z), $MachinePrecision]), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -6.8 \cdot 10^{+20} \lor \neg \left(y \leq 1.5 \cdot 10^{+104}\right):\\
\;\;\;\;\frac{y}{\frac{t}{z}}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if y < -6.8e20 or 1.49999999999999984e104 < y Initial program 97.5%
Taylor expanded in z around inf 79.4%
associate--l+79.4%
div-sub82.9%
Simplified82.9%
Taylor expanded in x around 0 67.5%
*-commutative67.5%
associate-/r/74.7%
Applied egg-rr74.7%
if -6.8e20 < y < 1.49999999999999984e104Initial program 97.8%
Taylor expanded in z around 0 51.1%
Final simplification62.1%
(FPCore (x y z t) :precision binary64 (if (or (<= y -2.2e+47) (not (<= y 1.35e+104))) (* z (/ y t)) x))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -2.2e+47) || !(y <= 1.35e+104)) {
tmp = z * (y / t);
} else {
tmp = x;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if ((y <= (-2.2d+47)) .or. (.not. (y <= 1.35d+104))) then
tmp = z * (y / t)
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -2.2e+47) || !(y <= 1.35e+104)) {
tmp = z * (y / t);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -2.2e+47) or not (y <= 1.35e+104): tmp = z * (y / t) else: tmp = x return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -2.2e+47) || !(y <= 1.35e+104)) tmp = Float64(z * Float64(y / t)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -2.2e+47) || ~((y <= 1.35e+104))) tmp = z * (y / t); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -2.2e+47], N[Not[LessEqual[y, 1.35e+104]], $MachinePrecision]], N[(z * N[(y / t), $MachinePrecision]), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.2 \cdot 10^{+47} \lor \neg \left(y \leq 1.35 \cdot 10^{+104}\right):\\
\;\;\;\;z \cdot \frac{y}{t}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if y < -2.1999999999999999e47 or 1.34999999999999992e104 < y Initial program 97.4%
Taylor expanded in z around inf 79.2%
associate--l+79.2%
div-sub82.8%
Simplified82.8%
Taylor expanded in x around 0 68.4%
if -2.1999999999999999e47 < y < 1.34999999999999992e104Initial program 97.9%
Taylor expanded in z around 0 51.1%
Final simplification58.7%
(FPCore (x y z t) :precision binary64 x)
double code(double x, double y, double z, double t) {
return x;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x
end function
public static double code(double x, double y, double z, double t) {
return x;
}
def code(x, y, z, t): return x
function code(x, y, z, t) return x end
function tmp = code(x, y, z, t) tmp = x; end
code[x_, y_, z_, t_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 97.7%
Taylor expanded in z around 0 36.2%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (* (- y x) (/ z t))) (t_2 (+ x (/ (- y x) (/ t z)))))
(if (< t_1 -1013646692435.8867)
t_2
(if (< t_1 0.0) (+ x (/ (* (- y x) z) t)) t_2))))
double code(double x, double y, double z, double t) {
double t_1 = (y - x) * (z / t);
double t_2 = x + ((y - x) / (t / z));
double tmp;
if (t_1 < -1013646692435.8867) {
tmp = t_2;
} else if (t_1 < 0.0) {
tmp = x + (((y - x) * z) / t);
} else {
tmp = t_2;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: t_2
real(8) :: tmp
t_1 = (y - x) * (z / t)
t_2 = x + ((y - x) / (t / z))
if (t_1 < (-1013646692435.8867d0)) then
tmp = t_2
else if (t_1 < 0.0d0) then
tmp = x + (((y - x) * z) / t)
else
tmp = t_2
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = (y - x) * (z / t);
double t_2 = x + ((y - x) / (t / z));
double tmp;
if (t_1 < -1013646692435.8867) {
tmp = t_2;
} else if (t_1 < 0.0) {
tmp = x + (((y - x) * z) / t);
} else {
tmp = t_2;
}
return tmp;
}
def code(x, y, z, t): t_1 = (y - x) * (z / t) t_2 = x + ((y - x) / (t / z)) tmp = 0 if t_1 < -1013646692435.8867: tmp = t_2 elif t_1 < 0.0: tmp = x + (((y - x) * z) / t) else: tmp = t_2 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(y - x) * Float64(z / t)) t_2 = Float64(x + Float64(Float64(y - x) / Float64(t / z))) tmp = 0.0 if (t_1 < -1013646692435.8867) tmp = t_2; elseif (t_1 < 0.0) tmp = Float64(x + Float64(Float64(Float64(y - x) * z) / t)); else tmp = t_2; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (y - x) * (z / t); t_2 = x + ((y - x) / (t / z)); tmp = 0.0; if (t_1 < -1013646692435.8867) tmp = t_2; elseif (t_1 < 0.0) tmp = x + (((y - x) * z) / t); else tmp = t_2; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(x + N[(N[(y - x), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Less[t$95$1, -1013646692435.8867], t$95$2, If[Less[t$95$1, 0.0], N[(x + N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \left(y - x\right) \cdot \frac{z}{t}\\
t_2 := x + \frac{y - x}{\frac{t}{z}}\\
\mathbf{if}\;t\_1 < -1013646692435.8867:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 < 0:\\
\;\;\;\;x + \frac{\left(y - x\right) \cdot z}{t}\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
herbie shell --seed 2024165
(FPCore (x y z t)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:tickPosition from plot-0.2.3.4"
:precision binary64
:alt
(! :herbie-platform default (if (< (* (- y x) (/ z t)) -10136466924358867/10000) (+ x (/ (- y x) (/ t z))) (if (< (* (- y x) (/ z t)) 0) (+ x (/ (* (- y x) z) t)) (+ x (/ (- y x) (/ t z))))))
(+ x (* (- y x) (/ z t))))