
(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 9 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) (/ t z))))
double code(double x, double y, double z, double t) {
return x + ((y - x) / (t / z));
}
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) / (t / z))
end function
public static double code(double x, double y, double z, double t) {
return x + ((y - x) / (t / z));
}
def code(x, y, z, t): return x + ((y - x) / (t / z))
function code(x, y, z, t) return Float64(x + Float64(Float64(y - x) / Float64(t / z))) end
function tmp = code(x, y, z, t) tmp = x + ((y - x) / (t / z)); end
code[x_, y_, z_, t_] := N[(x + N[(N[(y - x), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y - x}{\frac{t}{z}}
\end{array}
Initial program 96.9%
associate-*r/90.6%
associate-/l*97.5%
Applied egg-rr97.5%
Final simplification97.5%
(FPCore (x y z t) :precision binary64 (if (or (<= y -2.95e-71) (not (<= y 1.05e+66))) (+ x (* y (/ z t))) (* x (- 1.0 (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -2.95e-71) || !(y <= 1.05e+66)) {
tmp = x + (y * (z / 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 ((y <= (-2.95d-71)) .or. (.not. (y <= 1.05d+66))) then
tmp = x + (y * (z / 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 ((y <= -2.95e-71) || !(y <= 1.05e+66)) {
tmp = x + (y * (z / t));
} else {
tmp = x * (1.0 - (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -2.95e-71) or not (y <= 1.05e+66): tmp = x + (y * (z / t)) else: tmp = x * (1.0 - (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -2.95e-71) || !(y <= 1.05e+66)) tmp = Float64(x + Float64(y * Float64(z / 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 ((y <= -2.95e-71) || ~((y <= 1.05e+66))) tmp = x + (y * (z / t)); else tmp = x * (1.0 - (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -2.95e-71], N[Not[LessEqual[y, 1.05e+66]], $MachinePrecision]], N[(x + N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.95 \cdot 10^{-71} \lor \neg \left(y \leq 1.05 \cdot 10^{+66}\right):\\
\;\;\;\;x + y \cdot \frac{z}{t}\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 - \frac{z}{t}\right)\\
\end{array}
\end{array}
if y < -2.95000000000000001e-71 or 1.05000000000000003e66 < y Initial program 97.5%
Taylor expanded in y around inf 86.1%
associate-*r/92.1%
Simplified92.1%
if -2.95000000000000001e-71 < y < 1.05000000000000003e66Initial program 96.4%
Taylor expanded in x around inf 89.2%
mul-1-neg89.2%
unsub-neg89.2%
Simplified89.2%
Final simplification90.6%
(FPCore (x y z t) :precision binary64 (if (or (<= y -4.4e-68) (not (<= y 1.15e+66))) (+ x (/ y (/ t z))) (* x (- 1.0 (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.4e-68) || !(y <= 1.15e+66)) {
tmp = x + (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 <= (-4.4d-68)) .or. (.not. (y <= 1.15d+66))) then
tmp = x + (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 <= -4.4e-68) || !(y <= 1.15e+66)) {
tmp = x + (y / (t / z));
} else {
tmp = x * (1.0 - (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -4.4e-68) or not (y <= 1.15e+66): tmp = x + (y / (t / z)) else: tmp = x * (1.0 - (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -4.4e-68) || !(y <= 1.15e+66)) tmp = Float64(x + 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 <= -4.4e-68) || ~((y <= 1.15e+66))) tmp = x + (y / (t / z)); else tmp = x * (1.0 - (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -4.4e-68], N[Not[LessEqual[y, 1.15e+66]], $MachinePrecision]], N[(x + N[(y / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.4 \cdot 10^{-68} \lor \neg \left(y \leq 1.15 \cdot 10^{+66}\right):\\
\;\;\;\;x + \frac{y}{\frac{t}{z}}\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 - \frac{z}{t}\right)\\
\end{array}
\end{array}
if y < -4.40000000000000005e-68 or 1.15e66 < y Initial program 97.5%
Taylor expanded in y around inf 86.1%
associate-/l*92.2%
associate-/r/88.3%
Simplified88.3%
associate-/r/92.2%
Applied egg-rr92.2%
if -4.40000000000000005e-68 < y < 1.15e66Initial program 96.4%
Taylor expanded in x around inf 89.2%
mul-1-neg89.2%
unsub-neg89.2%
Simplified89.2%
Final simplification90.6%
(FPCore (x y z t) :precision binary64 (if (or (<= y -3e-73) (not (<= y 1.05e+66))) (+ x (/ y (/ t z))) (- x (* x (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -3e-73) || !(y <= 1.05e+66)) {
tmp = x + (y / (t / z));
} else {
tmp = x - (x * (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 <= (-3d-73)) .or. (.not. (y <= 1.05d+66))) then
tmp = x + (y / (t / z))
else
tmp = x - (x * (z / t))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -3e-73) || !(y <= 1.05e+66)) {
tmp = x + (y / (t / z));
} else {
tmp = x - (x * (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -3e-73) or not (y <= 1.05e+66): tmp = x + (y / (t / z)) else: tmp = x - (x * (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -3e-73) || !(y <= 1.05e+66)) tmp = Float64(x + Float64(y / Float64(t / z))); else tmp = Float64(x - Float64(x * Float64(z / t))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -3e-73) || ~((y <= 1.05e+66))) tmp = x + (y / (t / z)); else tmp = x - (x * (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -3e-73], N[Not[LessEqual[y, 1.05e+66]], $MachinePrecision]], N[(x + N[(y / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x - N[(x * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3 \cdot 10^{-73} \lor \neg \left(y \leq 1.05 \cdot 10^{+66}\right):\\
\;\;\;\;x + \frac{y}{\frac{t}{z}}\\
\mathbf{else}:\\
\;\;\;\;x - x \cdot \frac{z}{t}\\
\end{array}
\end{array}
if y < -3e-73 or 1.05000000000000003e66 < y Initial program 97.5%
Taylor expanded in y around inf 86.1%
associate-/l*92.2%
associate-/r/88.3%
Simplified88.3%
associate-/r/92.2%
Applied egg-rr92.2%
if -3e-73 < y < 1.05000000000000003e66Initial program 96.4%
Taylor expanded in y around 0 86.3%
associate-/l*89.9%
associate-*r/89.9%
neg-mul-189.9%
Simplified89.9%
distribute-frac-neg89.9%
unsub-neg89.9%
div-inv89.2%
clear-num89.2%
Applied egg-rr89.2%
Final simplification90.6%
(FPCore (x y z t) :precision binary64 (if (or (<= y -6.9e-69) (not (<= y 1.05e+66))) (+ x (/ y (/ t z))) (- x (/ x (/ t z)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -6.9e-69) || !(y <= 1.05e+66)) {
tmp = x + (y / (t / z));
} else {
tmp = x - (x / (t / z));
}
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 <= (-6.9d-69)) .or. (.not. (y <= 1.05d+66))) then
tmp = x + (y / (t / z))
else
tmp = x - (x / (t / z))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -6.9e-69) || !(y <= 1.05e+66)) {
tmp = x + (y / (t / z));
} else {
tmp = x - (x / (t / z));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -6.9e-69) or not (y <= 1.05e+66): tmp = x + (y / (t / z)) else: tmp = x - (x / (t / z)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -6.9e-69) || !(y <= 1.05e+66)) tmp = Float64(x + Float64(y / Float64(t / z))); else tmp = Float64(x - Float64(x / Float64(t / z))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -6.9e-69) || ~((y <= 1.05e+66))) tmp = x + (y / (t / z)); else tmp = x - (x / (t / z)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -6.9e-69], N[Not[LessEqual[y, 1.05e+66]], $MachinePrecision]], N[(x + N[(y / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x - N[(x / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -6.9 \cdot 10^{-69} \lor \neg \left(y \leq 1.05 \cdot 10^{+66}\right):\\
\;\;\;\;x + \frac{y}{\frac{t}{z}}\\
\mathbf{else}:\\
\;\;\;\;x - \frac{x}{\frac{t}{z}}\\
\end{array}
\end{array}
if y < -6.8999999999999997e-69 or 1.05000000000000003e66 < y Initial program 97.5%
Taylor expanded in y around inf 86.1%
associate-/l*92.2%
associate-/r/88.3%
Simplified88.3%
associate-/r/92.2%
Applied egg-rr92.2%
if -6.8999999999999997e-69 < y < 1.05000000000000003e66Initial program 96.4%
Taylor expanded in y around 0 86.3%
associate-/l*89.9%
associate-*r/89.9%
neg-mul-189.9%
Simplified89.9%
Final simplification91.0%
(FPCore (x y z t) :precision binary64 (+ x (* z (/ (- y x) t))))
double code(double x, double y, double z, double t) {
return x + (z * ((y - x) / 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 + (z * ((y - x) / t))
end function
public static double code(double x, double y, double z, double t) {
return x + (z * ((y - x) / t));
}
def code(x, y, z, t): return x + (z * ((y - x) / t))
function code(x, y, z, t) return Float64(x + Float64(z * Float64(Float64(y - x) / t))) end
function tmp = code(x, y, z, t) tmp = x + (z * ((y - x) / t)); end
code[x_, y_, z_, t_] := N[(x + N[(z * N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + z \cdot \frac{y - x}{t}
\end{array}
Initial program 96.9%
Taylor expanded in y around 0 85.2%
associate-*r/85.2%
associate-*r*85.2%
neg-mul-185.2%
associate-*r/85.9%
associate-*r/89.1%
distribute-rgt-out96.9%
+-commutative96.9%
sub-neg96.9%
associate-*l/90.6%
associate-*r/94.4%
Simplified94.4%
Final simplification94.4%
(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 96.9%
Final simplification96.9%
(FPCore (x y z t) :precision binary64 (* x (- 1.0 (/ z t))))
double code(double x, double y, double z, double t) {
return x * (1.0 - (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 * (1.0d0 - (z / t))
end function
public static double code(double x, double y, double z, double t) {
return x * (1.0 - (z / t));
}
def code(x, y, z, t): return x * (1.0 - (z / t))
function code(x, y, z, t) return Float64(x * Float64(1.0 - Float64(z / t))) end
function tmp = code(x, y, z, t) tmp = x * (1.0 - (z / t)); end
code[x_, y_, z_, t_] := N[(x * N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(1 - \frac{z}{t}\right)
\end{array}
Initial program 96.9%
Taylor expanded in x around inf 66.3%
mul-1-neg66.3%
unsub-neg66.3%
Simplified66.3%
Final simplification66.3%
(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 96.9%
Taylor expanded in z around 0 40.8%
Final simplification40.8%
(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 2023301
(FPCore (x y z t)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:tickPosition from plot-0.2.3.4"
:precision binary64
:herbie-target
(if (< (* (- y x) (/ z t)) -1013646692435.8867) (+ x (/ (- y x) (/ t z))) (if (< (* (- y x) (/ z t)) 0.0) (+ x (/ (* (- y x) z) t)) (+ x (/ (- y x) (/ t z)))))
(+ x (* (- y x) (/ z t))))