
(FPCore (x y z t) :precision binary64 (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t))
double code(double x, double y, double z, double t) {
return (((1.0 / 8.0) * x) - ((y * z) / 2.0)) + 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 = (((1.0d0 / 8.0d0) * x) - ((y * z) / 2.0d0)) + t
end function
public static double code(double x, double y, double z, double t) {
return (((1.0 / 8.0) * x) - ((y * z) / 2.0)) + t;
}
def code(x, y, z, t): return (((1.0 / 8.0) * x) - ((y * z) / 2.0)) + t
function code(x, y, z, t) return Float64(Float64(Float64(Float64(1.0 / 8.0) * x) - Float64(Float64(y * z) / 2.0)) + t) end
function tmp = code(x, y, z, t) tmp = (((1.0 / 8.0) * x) - ((y * z) / 2.0)) + t; end
code[x_, y_, z_, t_] := N[(N[(N[(N[(1.0 / 8.0), $MachinePrecision] * x), $MachinePrecision] - N[(N[(y * z), $MachinePrecision] / 2.0), $MachinePrecision]), $MachinePrecision] + t), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{1}{8} \cdot x - \frac{y \cdot z}{2}\right) + t
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t) :precision binary64 (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t))
double code(double x, double y, double z, double t) {
return (((1.0 / 8.0) * x) - ((y * z) / 2.0)) + 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 = (((1.0d0 / 8.0d0) * x) - ((y * z) / 2.0d0)) + t
end function
public static double code(double x, double y, double z, double t) {
return (((1.0 / 8.0) * x) - ((y * z) / 2.0)) + t;
}
def code(x, y, z, t): return (((1.0 / 8.0) * x) - ((y * z) / 2.0)) + t
function code(x, y, z, t) return Float64(Float64(Float64(Float64(1.0 / 8.0) * x) - Float64(Float64(y * z) / 2.0)) + t) end
function tmp = code(x, y, z, t) tmp = (((1.0 / 8.0) * x) - ((y * z) / 2.0)) + t; end
code[x_, y_, z_, t_] := N[(N[(N[(N[(1.0 / 8.0), $MachinePrecision] * x), $MachinePrecision] - N[(N[(y * z), $MachinePrecision] / 2.0), $MachinePrecision]), $MachinePrecision] + t), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{1}{8} \cdot x - \frac{y \cdot z}{2}\right) + t
\end{array}
(FPCore (x y z t) :precision binary64 (fma y (* z -0.5) (fma 0.125 x t)))
double code(double x, double y, double z, double t) {
return fma(y, (z * -0.5), fma(0.125, x, t));
}
function code(x, y, z, t) return fma(y, Float64(z * -0.5), fma(0.125, x, t)) end
code[x_, y_, z_, t_] := N[(y * N[(z * -0.5), $MachinePrecision] + N[(0.125 * x + t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y, z \cdot -0.5, \mathsf{fma}\left(0.125, x, t\right)\right)
\end{array}
Initial program 99.7%
+-commutative99.7%
associate-+r-99.7%
associate-/l*100.0%
cancel-sign-sub-inv100.0%
associate-/l*99.7%
distribute-lft-neg-out99.7%
distribute-rgt-neg-out99.7%
+-commutative99.7%
associate-/l*100.0%
fma-define100.0%
neg-mul-1100.0%
*-commutative100.0%
associate-/l*100.0%
metadata-eval100.0%
+-commutative100.0%
fma-define100.0%
metadata-eval100.0%
Simplified100.0%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (* y (* z -0.5))))
(if (<= x -4e+90)
(* 0.125 x)
(if (<= x -4e-125)
t_1
(if (<= x -3.1e-184) t (if (<= x 3.5e+80) t_1 (* 0.125 x)))))))
double code(double x, double y, double z, double t) {
double t_1 = y * (z * -0.5);
double tmp;
if (x <= -4e+90) {
tmp = 0.125 * x;
} else if (x <= -4e-125) {
tmp = t_1;
} else if (x <= -3.1e-184) {
tmp = t;
} else if (x <= 3.5e+80) {
tmp = t_1;
} else {
tmp = 0.125 * 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) :: t_1
real(8) :: tmp
t_1 = y * (z * (-0.5d0))
if (x <= (-4d+90)) then
tmp = 0.125d0 * x
else if (x <= (-4d-125)) then
tmp = t_1
else if (x <= (-3.1d-184)) then
tmp = t
else if (x <= 3.5d+80) then
tmp = t_1
else
tmp = 0.125d0 * x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = y * (z * -0.5);
double tmp;
if (x <= -4e+90) {
tmp = 0.125 * x;
} else if (x <= -4e-125) {
tmp = t_1;
} else if (x <= -3.1e-184) {
tmp = t;
} else if (x <= 3.5e+80) {
tmp = t_1;
} else {
tmp = 0.125 * x;
}
return tmp;
}
def code(x, y, z, t): t_1 = y * (z * -0.5) tmp = 0 if x <= -4e+90: tmp = 0.125 * x elif x <= -4e-125: tmp = t_1 elif x <= -3.1e-184: tmp = t elif x <= 3.5e+80: tmp = t_1 else: tmp = 0.125 * x return tmp
function code(x, y, z, t) t_1 = Float64(y * Float64(z * -0.5)) tmp = 0.0 if (x <= -4e+90) tmp = Float64(0.125 * x); elseif (x <= -4e-125) tmp = t_1; elseif (x <= -3.1e-184) tmp = t; elseif (x <= 3.5e+80) tmp = t_1; else tmp = Float64(0.125 * x); end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = y * (z * -0.5); tmp = 0.0; if (x <= -4e+90) tmp = 0.125 * x; elseif (x <= -4e-125) tmp = t_1; elseif (x <= -3.1e-184) tmp = t; elseif (x <= 3.5e+80) tmp = t_1; else tmp = 0.125 * x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(y * N[(z * -0.5), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[x, -4e+90], N[(0.125 * x), $MachinePrecision], If[LessEqual[x, -4e-125], t$95$1, If[LessEqual[x, -3.1e-184], t, If[LessEqual[x, 3.5e+80], t$95$1, N[(0.125 * x), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := y \cdot \left(z \cdot -0.5\right)\\
\mathbf{if}\;x \leq -4 \cdot 10^{+90}:\\
\;\;\;\;0.125 \cdot x\\
\mathbf{elif}\;x \leq -4 \cdot 10^{-125}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;x \leq -3.1 \cdot 10^{-184}:\\
\;\;\;\;t\\
\mathbf{elif}\;x \leq 3.5 \cdot 10^{+80}:\\
\;\;\;\;t\_1\\
\mathbf{else}:\\
\;\;\;\;0.125 \cdot x\\
\end{array}
\end{array}
if x < -3.99999999999999987e90 or 3.49999999999999994e80 < x Initial program 100.0%
associate-+l-100.0%
*-commutative100.0%
associate-+l-100.0%
*-commutative100.0%
metadata-eval100.0%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around inf 100.0%
Taylor expanded in t around 0 91.3%
associate-*r/91.3%
*-commutative91.3%
associate-*r*91.3%
*-commutative91.3%
associate-*r/91.3%
Simplified91.3%
Taylor expanded in x around inf 69.0%
*-commutative69.0%
Simplified69.0%
if -3.99999999999999987e90 < x < -4.00000000000000005e-125 or -3.1000000000000002e-184 < x < 3.49999999999999994e80Initial program 99.4%
associate-+l-99.4%
*-commutative99.4%
associate-+l-99.4%
*-commutative99.4%
metadata-eval99.4%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around inf 68.1%
Taylor expanded in t around 0 52.5%
associate-*r/50.5%
*-commutative50.5%
associate-*r*50.5%
*-commutative50.5%
associate-*r/50.5%
Simplified50.5%
Taylor expanded in x around 0 57.5%
*-commutative57.5%
associate-*r*58.1%
Simplified58.1%
if -4.00000000000000005e-125 < x < -3.1000000000000002e-184Initial program 100.0%
+-commutative100.0%
associate-+r-100.0%
associate-/l*100.0%
cancel-sign-sub-inv100.0%
associate-/l*100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-out100.0%
+-commutative100.0%
associate-/l*100.0%
fma-define100.0%
neg-mul-1100.0%
*-commutative100.0%
associate-/l*100.0%
metadata-eval100.0%
+-commutative100.0%
fma-define100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in t around inf 79.0%
Final simplification63.5%
(FPCore (x y z t) :precision binary64 (if (or (<= (* y z) -4e-18) (not (<= (* y z) 4e+33))) (+ (* 0.125 x) (* -0.5 (* y z))) (+ t (* 0.125 x))))
double code(double x, double y, double z, double t) {
double tmp;
if (((y * z) <= -4e-18) || !((y * z) <= 4e+33)) {
tmp = (0.125 * x) + (-0.5 * (y * z));
} else {
tmp = t + (0.125 * 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 * z) <= (-4d-18)) .or. (.not. ((y * z) <= 4d+33))) then
tmp = (0.125d0 * x) + ((-0.5d0) * (y * z))
else
tmp = t + (0.125d0 * x)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((y * z) <= -4e-18) || !((y * z) <= 4e+33)) {
tmp = (0.125 * x) + (-0.5 * (y * z));
} else {
tmp = t + (0.125 * x);
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((y * z) <= -4e-18) or not ((y * z) <= 4e+33): tmp = (0.125 * x) + (-0.5 * (y * z)) else: tmp = t + (0.125 * x) return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(y * z) <= -4e-18) || !(Float64(y * z) <= 4e+33)) tmp = Float64(Float64(0.125 * x) + Float64(-0.5 * Float64(y * z))); else tmp = Float64(t + Float64(0.125 * x)); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((y * z) <= -4e-18) || ~(((y * z) <= 4e+33))) tmp = (0.125 * x) + (-0.5 * (y * z)); else tmp = t + (0.125 * x); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(y * z), $MachinePrecision], -4e-18], N[Not[LessEqual[N[(y * z), $MachinePrecision], 4e+33]], $MachinePrecision]], N[(N[(0.125 * x), $MachinePrecision] + N[(-0.5 * N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(t + N[(0.125 * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \cdot z \leq -4 \cdot 10^{-18} \lor \neg \left(y \cdot z \leq 4 \cdot 10^{+33}\right):\\
\;\;\;\;0.125 \cdot x + -0.5 \cdot \left(y \cdot z\right)\\
\mathbf{else}:\\
\;\;\;\;t + 0.125 \cdot x\\
\end{array}
\end{array}
if (*.f64 y z) < -4.0000000000000003e-18 or 3.9999999999999998e33 < (*.f64 y z) Initial program 99.4%
associate-+l-99.4%
*-commutative99.4%
associate-+l-99.4%
*-commutative99.4%
metadata-eval99.4%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around inf 75.9%
Taylor expanded in t around 0 74.0%
associate-*r/72.6%
*-commutative72.6%
associate-*r*72.6%
*-commutative72.6%
associate-*r/72.6%
Simplified72.6%
Taylor expanded in x around 0 91.7%
if -4.0000000000000003e-18 < (*.f64 y z) < 3.9999999999999998e33Initial program 100.0%
associate-+l-100.0%
*-commutative100.0%
associate-+l-100.0%
*-commutative100.0%
metadata-eval100.0%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around inf 93.0%
Final simplification92.3%
(FPCore (x y z t) :precision binary64 (if (or (<= x -2.5e+90) (not (<= x 1.95e+74))) (+ t (* 0.125 x)) (+ t (* z (* y -0.5)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((x <= -2.5e+90) || !(x <= 1.95e+74)) {
tmp = t + (0.125 * x);
} else {
tmp = t + (z * (y * -0.5));
}
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 ((x <= (-2.5d+90)) .or. (.not. (x <= 1.95d+74))) then
tmp = t + (0.125d0 * x)
else
tmp = t + (z * (y * (-0.5d0)))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((x <= -2.5e+90) || !(x <= 1.95e+74)) {
tmp = t + (0.125 * x);
} else {
tmp = t + (z * (y * -0.5));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (x <= -2.5e+90) or not (x <= 1.95e+74): tmp = t + (0.125 * x) else: tmp = t + (z * (y * -0.5)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((x <= -2.5e+90) || !(x <= 1.95e+74)) tmp = Float64(t + Float64(0.125 * x)); else tmp = Float64(t + Float64(z * Float64(y * -0.5))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((x <= -2.5e+90) || ~((x <= 1.95e+74))) tmp = t + (0.125 * x); else tmp = t + (z * (y * -0.5)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[x, -2.5e+90], N[Not[LessEqual[x, 1.95e+74]], $MachinePrecision]], N[(t + N[(0.125 * x), $MachinePrecision]), $MachinePrecision], N[(t + N[(z * N[(y * -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.5 \cdot 10^{+90} \lor \neg \left(x \leq 1.95 \cdot 10^{+74}\right):\\
\;\;\;\;t + 0.125 \cdot x\\
\mathbf{else}:\\
\;\;\;\;t + z \cdot \left(y \cdot -0.5\right)\\
\end{array}
\end{array}
if x < -2.5000000000000002e90 or 1.95000000000000004e74 < x Initial program 100.0%
associate-+l-100.0%
*-commutative100.0%
associate-+l-100.0%
*-commutative100.0%
metadata-eval100.0%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around inf 77.7%
if -2.5000000000000002e90 < x < 1.95000000000000004e74Initial program 99.5%
associate-+l-99.5%
*-commutative99.5%
associate-+l-99.5%
*-commutative99.5%
metadata-eval99.5%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around 0 88.2%
associate-*r*88.8%
*-commutative88.8%
Simplified88.8%
Final simplification84.6%
(FPCore (x y z t) :precision binary64 (if (or (<= z -7e-23) (not (<= z 4.8e+112))) (* y (* z -0.5)) (+ t (* 0.125 x))))
double code(double x, double y, double z, double t) {
double tmp;
if ((z <= -7e-23) || !(z <= 4.8e+112)) {
tmp = y * (z * -0.5);
} else {
tmp = t + (0.125 * 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 ((z <= (-7d-23)) .or. (.not. (z <= 4.8d+112))) then
tmp = y * (z * (-0.5d0))
else
tmp = t + (0.125d0 * x)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((z <= -7e-23) || !(z <= 4.8e+112)) {
tmp = y * (z * -0.5);
} else {
tmp = t + (0.125 * x);
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (z <= -7e-23) or not (z <= 4.8e+112): tmp = y * (z * -0.5) else: tmp = t + (0.125 * x) return tmp
function code(x, y, z, t) tmp = 0.0 if ((z <= -7e-23) || !(z <= 4.8e+112)) tmp = Float64(y * Float64(z * -0.5)); else tmp = Float64(t + Float64(0.125 * x)); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((z <= -7e-23) || ~((z <= 4.8e+112))) tmp = y * (z * -0.5); else tmp = t + (0.125 * x); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[z, -7e-23], N[Not[LessEqual[z, 4.8e+112]], $MachinePrecision]], N[(y * N[(z * -0.5), $MachinePrecision]), $MachinePrecision], N[(t + N[(0.125 * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -7 \cdot 10^{-23} \lor \neg \left(z \leq 4.8 \cdot 10^{+112}\right):\\
\;\;\;\;y \cdot \left(z \cdot -0.5\right)\\
\mathbf{else}:\\
\;\;\;\;t + 0.125 \cdot x\\
\end{array}
\end{array}
if z < -6.99999999999999987e-23 or 4.8e112 < z Initial program 99.2%
associate-+l-99.2%
*-commutative99.2%
associate-+l-99.2%
*-commutative99.2%
metadata-eval99.2%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around inf 74.1%
Taylor expanded in t around 0 68.5%
associate-*r/66.0%
*-commutative66.0%
associate-*r*66.0%
*-commutative66.0%
associate-*r/66.0%
Simplified66.0%
Taylor expanded in x around 0 67.1%
*-commutative67.1%
associate-*r*67.8%
Simplified67.8%
if -6.99999999999999987e-23 < z < 4.8e112Initial program 100.0%
associate-+l-100.0%
*-commutative100.0%
associate-+l-100.0%
*-commutative100.0%
metadata-eval100.0%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around inf 78.9%
Final simplification74.1%
(FPCore (x y z t) :precision binary64 (if (or (<= x -1.3e+46) (not (<= x 9.5e+42))) (* 0.125 x) t))
double code(double x, double y, double z, double t) {
double tmp;
if ((x <= -1.3e+46) || !(x <= 9.5e+42)) {
tmp = 0.125 * x;
} else {
tmp = 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 ((x <= (-1.3d+46)) .or. (.not. (x <= 9.5d+42))) then
tmp = 0.125d0 * x
else
tmp = t
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((x <= -1.3e+46) || !(x <= 9.5e+42)) {
tmp = 0.125 * x;
} else {
tmp = t;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (x <= -1.3e+46) or not (x <= 9.5e+42): tmp = 0.125 * x else: tmp = t return tmp
function code(x, y, z, t) tmp = 0.0 if ((x <= -1.3e+46) || !(x <= 9.5e+42)) tmp = Float64(0.125 * x); else tmp = t; end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((x <= -1.3e+46) || ~((x <= 9.5e+42))) tmp = 0.125 * x; else tmp = t; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[x, -1.3e+46], N[Not[LessEqual[x, 9.5e+42]], $MachinePrecision]], N[(0.125 * x), $MachinePrecision], t]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.3 \cdot 10^{+46} \lor \neg \left(x \leq 9.5 \cdot 10^{+42}\right):\\
\;\;\;\;0.125 \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\\
\end{array}
\end{array}
if x < -1.30000000000000007e46 or 9.50000000000000019e42 < x Initial program 99.3%
associate-+l-99.3%
*-commutative99.3%
associate-+l-99.3%
*-commutative99.3%
metadata-eval99.3%
associate-/l*100.0%
Simplified100.0%
Taylor expanded in x around inf 99.2%
Taylor expanded in t around 0 91.6%
associate-*r/92.3%
*-commutative92.3%
associate-*r*92.3%
*-commutative92.3%
associate-*r/92.3%
Simplified92.3%
Taylor expanded in x around inf 63.4%
*-commutative63.4%
Simplified63.4%
if -1.30000000000000007e46 < x < 9.50000000000000019e42Initial program 100.0%
+-commutative100.0%
associate-+r-100.0%
associate-/l*100.0%
cancel-sign-sub-inv100.0%
associate-/l*100.0%
distribute-lft-neg-out100.0%
distribute-rgt-neg-out100.0%
+-commutative100.0%
associate-/l*100.0%
fma-define100.0%
neg-mul-1100.0%
*-commutative100.0%
associate-/l*100.0%
metadata-eval100.0%
+-commutative100.0%
fma-define100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in t around inf 40.6%
Final simplification50.4%
(FPCore (x y z t) :precision binary64 (+ t (- (* 0.125 x) (* y (/ z 2.0)))))
double code(double x, double y, double z, double t) {
return t + ((0.125 * x) - (y * (z / 2.0)));
}
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 = t + ((0.125d0 * x) - (y * (z / 2.0d0)))
end function
public static double code(double x, double y, double z, double t) {
return t + ((0.125 * x) - (y * (z / 2.0)));
}
def code(x, y, z, t): return t + ((0.125 * x) - (y * (z / 2.0)))
function code(x, y, z, t) return Float64(t + Float64(Float64(0.125 * x) - Float64(y * Float64(z / 2.0)))) end
function tmp = code(x, y, z, t) tmp = t + ((0.125 * x) - (y * (z / 2.0))); end
code[x_, y_, z_, t_] := N[(t + N[(N[(0.125 * x), $MachinePrecision] - N[(y * N[(z / 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
t + \left(0.125 \cdot x - y \cdot \frac{z}{2}\right)
\end{array}
Initial program 99.7%
associate-+l-99.7%
*-commutative99.7%
associate-+l-99.7%
*-commutative99.7%
metadata-eval99.7%
associate-/l*100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z t) :precision binary64 t)
double code(double x, double y, double z, double t) {
return 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 = t
end function
public static double code(double x, double y, double z, double t) {
return t;
}
def code(x, y, z, t): return t
function code(x, y, z, t) return t end
function tmp = code(x, y, z, t) tmp = t; end
code[x_, y_, z_, t_] := t
\begin{array}{l}
\\
t
\end{array}
Initial program 99.7%
+-commutative99.7%
associate-+r-99.7%
associate-/l*100.0%
cancel-sign-sub-inv100.0%
associate-/l*99.7%
distribute-lft-neg-out99.7%
distribute-rgt-neg-out99.7%
+-commutative99.7%
associate-/l*100.0%
fma-define100.0%
neg-mul-1100.0%
*-commutative100.0%
associate-/l*100.0%
metadata-eval100.0%
+-commutative100.0%
fma-define100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in t around inf 27.1%
(FPCore (x y z t) :precision binary64 (- (+ (/ x 8.0) t) (* (/ z 2.0) y)))
double code(double x, double y, double z, double t) {
return ((x / 8.0) + t) - ((z / 2.0) * y);
}
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 / 8.0d0) + t) - ((z / 2.0d0) * y)
end function
public static double code(double x, double y, double z, double t) {
return ((x / 8.0) + t) - ((z / 2.0) * y);
}
def code(x, y, z, t): return ((x / 8.0) + t) - ((z / 2.0) * y)
function code(x, y, z, t) return Float64(Float64(Float64(x / 8.0) + t) - Float64(Float64(z / 2.0) * y)) end
function tmp = code(x, y, z, t) tmp = ((x / 8.0) + t) - ((z / 2.0) * y); end
code[x_, y_, z_, t_] := N[(N[(N[(x / 8.0), $MachinePrecision] + t), $MachinePrecision] - N[(N[(z / 2.0), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\frac{x}{8} + t\right) - \frac{z}{2} \cdot y
\end{array}
herbie shell --seed 2024180
(FPCore (x y z t)
:name "Diagrams.Solve.Polynomial:quartForm from diagrams-solve-0.1, B"
:precision binary64
:alt
(! :herbie-platform default (- (+ (/ x 8) t) (* (/ z 2) y)))
(+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t))