
(FPCore (x y z t a) :precision binary64 (/ (- (* x y) (* (* z 9.0) t)) (* a 2.0)))
double code(double x, double y, double z, double t, double a) {
return ((x * y) - ((z * 9.0) * t)) / (a * 2.0);
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
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 * 9.0d0) * t)) / (a * 2.0d0)
end function
public static double code(double x, double y, double z, double t, double a) {
return ((x * y) - ((z * 9.0) * t)) / (a * 2.0);
}
def code(x, y, z, t, a): return ((x * y) - ((z * 9.0) * t)) / (a * 2.0)
function code(x, y, z, t, a) return Float64(Float64(Float64(x * y) - Float64(Float64(z * 9.0) * t)) / Float64(a * 2.0)) end
function tmp = code(x, y, z, t, a) tmp = ((x * y) - ((z * 9.0) * t)) / (a * 2.0); end
code[x_, y_, z_, t_, a_] := N[(N[(N[(x * y), $MachinePrecision] - N[(N[(z * 9.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot y - \left(z \cdot 9\right) \cdot t}{a \cdot 2}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a) :precision binary64 (/ (- (* x y) (* (* z 9.0) t)) (* a 2.0)))
double code(double x, double y, double z, double t, double a) {
return ((x * y) - ((z * 9.0) * t)) / (a * 2.0);
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
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 * 9.0d0) * t)) / (a * 2.0d0)
end function
public static double code(double x, double y, double z, double t, double a) {
return ((x * y) - ((z * 9.0) * t)) / (a * 2.0);
}
def code(x, y, z, t, a): return ((x * y) - ((z * 9.0) * t)) / (a * 2.0)
function code(x, y, z, t, a) return Float64(Float64(Float64(x * y) - Float64(Float64(z * 9.0) * t)) / Float64(a * 2.0)) end
function tmp = code(x, y, z, t, a) tmp = ((x * y) - ((z * 9.0) * t)) / (a * 2.0); end
code[x_, y_, z_, t_, a_] := N[(N[(N[(x * y), $MachinePrecision] - N[(N[(z * 9.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot y - \left(z \cdot 9\right) \cdot t}{a \cdot 2}
\end{array}
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (- (* x y) (* (* z 9.0) t))))
(if (<= t_1 -5e+251)
(fma (/ y a) (/ x 2.0) (* -9.0 (* (/ z 2.0) (/ t a))))
(if (<= t_1 5e+220)
(/ (fma (* -9.0 z) t (* y x)) (* a 2.0))
(fma (/ (* t -9.0) 2.0) (/ z a) (* (/ y 2.0) (/ x a)))))))assert(x < y && y < z && z < t && t < a);
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double t_1 = (x * y) - ((z * 9.0) * t);
double tmp;
if (t_1 <= -5e+251) {
tmp = fma((y / a), (x / 2.0), (-9.0 * ((z / 2.0) * (t / a))));
} else if (t_1 <= 5e+220) {
tmp = fma((-9.0 * z), t, (y * x)) / (a * 2.0);
} else {
tmp = fma(((t * -9.0) / 2.0), (z / a), ((y / 2.0) * (x / a)));
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) t_1 = Float64(Float64(x * y) - Float64(Float64(z * 9.0) * t)) tmp = 0.0 if (t_1 <= -5e+251) tmp = fma(Float64(y / a), Float64(x / 2.0), Float64(-9.0 * Float64(Float64(z / 2.0) * Float64(t / a)))); elseif (t_1 <= 5e+220) tmp = Float64(fma(Float64(-9.0 * z), t, Float64(y * x)) / Float64(a * 2.0)); else tmp = fma(Float64(Float64(t * -9.0) / 2.0), Float64(z / a), Float64(Float64(y / 2.0) * Float64(x / a))); end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(x * y), $MachinePrecision] - N[(N[(z * 9.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -5e+251], N[(N[(y / a), $MachinePrecision] * N[(x / 2.0), $MachinePrecision] + N[(-9.0 * N[(N[(z / 2.0), $MachinePrecision] * N[(t / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 5e+220], N[(N[(N[(-9.0 * z), $MachinePrecision] * t + N[(y * x), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(t * -9.0), $MachinePrecision] / 2.0), $MachinePrecision] * N[(z / a), $MachinePrecision] + N[(N[(y / 2.0), $MachinePrecision] * N[(x / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\\\
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
t_1 := x \cdot y - \left(z \cdot 9\right) \cdot t\\
\mathbf{if}\;t\_1 \leq -5 \cdot 10^{+251}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, \frac{x}{2}, -9 \cdot \left(\frac{z}{2} \cdot \frac{t}{a}\right)\right)\\
\mathbf{elif}\;t\_1 \leq 5 \cdot 10^{+220}:\\
\;\;\;\;\frac{\mathsf{fma}\left(-9 \cdot z, t, y \cdot x\right)}{a \cdot 2}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{t \cdot -9}{2}, \frac{z}{a}, \frac{y}{2} \cdot \frac{x}{a}\right)\\
\end{array}
\end{array}
if (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) < -5.0000000000000005e251Initial program 71.0%
lift-*.f64N/A
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
div-addN/A
*-commutativeN/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
associate-*r*N/A
*-commutativeN/A
lower-/.f64N/A
Applied rewrites81.0%
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
associate-/l*N/A
lower-*.f64N/A
*-commutativeN/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f6494.1
Applied rewrites94.1%
if -5.0000000000000005e251 < (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) < 5.0000000000000002e220Initial program 97.2%
Taylor expanded in x around 0
fp-cancel-sub-sign-invN/A
metadata-evalN/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6497.2
Applied rewrites97.2%
if 5.0000000000000002e220 < (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) Initial program 71.7%
lift-*.f64N/A
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
div-addN/A
*-commutativeN/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
associate-*r*N/A
*-commutativeN/A
lower-/.f64N/A
Applied rewrites89.5%
lift-/.f64N/A
lift-/.f64N/A
lift-fma.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
metadata-evalN/A
frac-timesN/A
associate-/l/N/A
lift-/.f64N/A
lift-*.f64N/A
lift-/.f64N/A
+-commutativeN/A
metadata-evalN/A
times-fracN/A
associate-*r*N/A
times-fracN/A
Applied rewrites91.4%
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (- (* x y) (* (* z 9.0) t))))
(if (<= t_1 -5e+251)
(fma (/ y a) (/ x 2.0) (* -9.0 (* (/ z 2.0) (/ t a))))
(if (<= t_1 1e+285)
(/ (fma (* -9.0 z) t (* y x)) (* a 2.0))
(* (* (fma (/ x a) -0.5 (* (/ (/ (* t z) a) y) 4.5)) y) -1.0)))))assert(x < y && y < z && z < t && t < a);
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double t_1 = (x * y) - ((z * 9.0) * t);
double tmp;
if (t_1 <= -5e+251) {
tmp = fma((y / a), (x / 2.0), (-9.0 * ((z / 2.0) * (t / a))));
} else if (t_1 <= 1e+285) {
tmp = fma((-9.0 * z), t, (y * x)) / (a * 2.0);
} else {
tmp = (fma((x / a), -0.5, ((((t * z) / a) / y) * 4.5)) * y) * -1.0;
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) t_1 = Float64(Float64(x * y) - Float64(Float64(z * 9.0) * t)) tmp = 0.0 if (t_1 <= -5e+251) tmp = fma(Float64(y / a), Float64(x / 2.0), Float64(-9.0 * Float64(Float64(z / 2.0) * Float64(t / a)))); elseif (t_1 <= 1e+285) tmp = Float64(fma(Float64(-9.0 * z), t, Float64(y * x)) / Float64(a * 2.0)); else tmp = Float64(Float64(fma(Float64(x / a), -0.5, Float64(Float64(Float64(Float64(t * z) / a) / y) * 4.5)) * y) * -1.0); end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(x * y), $MachinePrecision] - N[(N[(z * 9.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -5e+251], N[(N[(y / a), $MachinePrecision] * N[(x / 2.0), $MachinePrecision] + N[(-9.0 * N[(N[(z / 2.0), $MachinePrecision] * N[(t / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 1e+285], N[(N[(N[(-9.0 * z), $MachinePrecision] * t + N[(y * x), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(N[(x / a), $MachinePrecision] * -0.5 + N[(N[(N[(N[(t * z), $MachinePrecision] / a), $MachinePrecision] / y), $MachinePrecision] * 4.5), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision] * -1.0), $MachinePrecision]]]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\\\
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
t_1 := x \cdot y - \left(z \cdot 9\right) \cdot t\\
\mathbf{if}\;t\_1 \leq -5 \cdot 10^{+251}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, \frac{x}{2}, -9 \cdot \left(\frac{z}{2} \cdot \frac{t}{a}\right)\right)\\
\mathbf{elif}\;t\_1 \leq 10^{+285}:\\
\;\;\;\;\frac{\mathsf{fma}\left(-9 \cdot z, t, y \cdot x\right)}{a \cdot 2}\\
\mathbf{else}:\\
\;\;\;\;\left(\mathsf{fma}\left(\frac{x}{a}, -0.5, \frac{\frac{t \cdot z}{a}}{y} \cdot 4.5\right) \cdot y\right) \cdot -1\\
\end{array}
\end{array}
if (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) < -5.0000000000000005e251Initial program 71.0%
lift-*.f64N/A
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
div-addN/A
*-commutativeN/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
associate-*r*N/A
*-commutativeN/A
lower-/.f64N/A
Applied rewrites81.0%
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
associate-/l*N/A
lower-*.f64N/A
*-commutativeN/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f6494.1
Applied rewrites94.1%
if -5.0000000000000005e251 < (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) < 9.9999999999999998e284Initial program 97.3%
Taylor expanded in x around 0
fp-cancel-sub-sign-invN/A
metadata-evalN/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6497.3
Applied rewrites97.3%
if 9.9999999999999998e284 < (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) Initial program 66.0%
Taylor expanded in y around -inf
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f6490.1
Applied rewrites90.1%
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (* (* (fma (/ x a) -0.5 (* (/ (/ (* t z) a) y) 4.5)) y) -1.0)))
(if (<= (* x y) (- INFINITY))
t_1
(if (<= (* x y) 4e+278) (/ (fma (* -9.0 z) t (* y x)) (* a 2.0)) t_1))))assert(x < y && y < z && z < t && t < a);
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double t_1 = (fma((x / a), -0.5, ((((t * z) / a) / y) * 4.5)) * y) * -1.0;
double tmp;
if ((x * y) <= -((double) INFINITY)) {
tmp = t_1;
} else if ((x * y) <= 4e+278) {
tmp = fma((-9.0 * z), t, (y * x)) / (a * 2.0);
} else {
tmp = t_1;
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) t_1 = Float64(Float64(fma(Float64(x / a), -0.5, Float64(Float64(Float64(Float64(t * z) / a) / y) * 4.5)) * y) * -1.0) tmp = 0.0 if (Float64(x * y) <= Float64(-Inf)) tmp = t_1; elseif (Float64(x * y) <= 4e+278) tmp = Float64(fma(Float64(-9.0 * z), t, Float64(y * x)) / Float64(a * 2.0)); else tmp = t_1; end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(N[(N[(x / a), $MachinePrecision] * -0.5 + N[(N[(N[(N[(t * z), $MachinePrecision] / a), $MachinePrecision] / y), $MachinePrecision] * 4.5), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision] * -1.0), $MachinePrecision]}, If[LessEqual[N[(x * y), $MachinePrecision], (-Infinity)], t$95$1, If[LessEqual[N[(x * y), $MachinePrecision], 4e+278], N[(N[(N[(-9.0 * z), $MachinePrecision] * t + N[(y * x), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision], t$95$1]]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\\\
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
t_1 := \left(\mathsf{fma}\left(\frac{x}{a}, -0.5, \frac{\frac{t \cdot z}{a}}{y} \cdot 4.5\right) \cdot y\right) \cdot -1\\
\mathbf{if}\;x \cdot y \leq -\infty:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;x \cdot y \leq 4 \cdot 10^{+278}:\\
\;\;\;\;\frac{\mathsf{fma}\left(-9 \cdot z, t, y \cdot x\right)}{a \cdot 2}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if (*.f64 x y) < -inf.0 or 3.99999999999999985e278 < (*.f64 x y) Initial program 54.1%
Taylor expanded in y around -inf
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f6497.0
Applied rewrites97.0%
if -inf.0 < (*.f64 x y) < 3.99999999999999985e278Initial program 94.3%
Taylor expanded in x around 0
fp-cancel-sub-sign-invN/A
metadata-evalN/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6494.3
Applied rewrites94.3%
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ (* t z) a))
(t_2 (* (* (fma (/ x a) -0.5 (* (/ t_1 y) 4.5)) y) -1.0)))
(if (<= (* x y) (- INFINITY))
t_2
(if (<= (* x y) 2e+211) (fma (/ (* y x) a) 0.5 (* t_1 -4.5)) t_2))))assert(x < y && y < z && z < t && t < a);
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double t_1 = (t * z) / a;
double t_2 = (fma((x / a), -0.5, ((t_1 / y) * 4.5)) * y) * -1.0;
double tmp;
if ((x * y) <= -((double) INFINITY)) {
tmp = t_2;
} else if ((x * y) <= 2e+211) {
tmp = fma(((y * x) / a), 0.5, (t_1 * -4.5));
} else {
tmp = t_2;
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) t_1 = Float64(Float64(t * z) / a) t_2 = Float64(Float64(fma(Float64(x / a), -0.5, Float64(Float64(t_1 / y) * 4.5)) * y) * -1.0) tmp = 0.0 if (Float64(x * y) <= Float64(-Inf)) tmp = t_2; elseif (Float64(x * y) <= 2e+211) tmp = fma(Float64(Float64(y * x) / a), 0.5, Float64(t_1 * -4.5)); else tmp = t_2; end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(t * z), $MachinePrecision] / a), $MachinePrecision]}, Block[{t$95$2 = N[(N[(N[(N[(x / a), $MachinePrecision] * -0.5 + N[(N[(t$95$1 / y), $MachinePrecision] * 4.5), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision] * -1.0), $MachinePrecision]}, If[LessEqual[N[(x * y), $MachinePrecision], (-Infinity)], t$95$2, If[LessEqual[N[(x * y), $MachinePrecision], 2e+211], N[(N[(N[(y * x), $MachinePrecision] / a), $MachinePrecision] * 0.5 + N[(t$95$1 * -4.5), $MachinePrecision]), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\\\
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
t_1 := \frac{t \cdot z}{a}\\
t_2 := \left(\mathsf{fma}\left(\frac{x}{a}, -0.5, \frac{t\_1}{y} \cdot 4.5\right) \cdot y\right) \cdot -1\\
\mathbf{if}\;x \cdot y \leq -\infty:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;x \cdot y \leq 2 \cdot 10^{+211}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y \cdot x}{a}, 0.5, t\_1 \cdot -4.5\right)\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (*.f64 x y) < -inf.0 or 1.9999999999999999e211 < (*.f64 x y) Initial program 58.8%
Taylor expanded in y around -inf
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f6497.3
Applied rewrites97.3%
if -inf.0 < (*.f64 x y) < 1.9999999999999999e211Initial program 94.2%
Taylor expanded in x around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower-*.f6493.3
Applied rewrites93.3%
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (* (* (fma (/ x a) -0.5 (* (/ (/ (* t z) a) y) 4.5)) y) -1.0)))
(if (<= (* x y) -5e+22)
t_1
(if (<= (* x y) 1e+96)
(* (fma (/ (/ (* y x) a) t) 0.5 (* (/ z a) -4.5)) t)
t_1))))assert(x < y && y < z && z < t && t < a);
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double t_1 = (fma((x / a), -0.5, ((((t * z) / a) / y) * 4.5)) * y) * -1.0;
double tmp;
if ((x * y) <= -5e+22) {
tmp = t_1;
} else if ((x * y) <= 1e+96) {
tmp = fma((((y * x) / a) / t), 0.5, ((z / a) * -4.5)) * t;
} else {
tmp = t_1;
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) t_1 = Float64(Float64(fma(Float64(x / a), -0.5, Float64(Float64(Float64(Float64(t * z) / a) / y) * 4.5)) * y) * -1.0) tmp = 0.0 if (Float64(x * y) <= -5e+22) tmp = t_1; elseif (Float64(x * y) <= 1e+96) tmp = Float64(fma(Float64(Float64(Float64(y * x) / a) / t), 0.5, Float64(Float64(z / a) * -4.5)) * t); else tmp = t_1; end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(N[(N[(x / a), $MachinePrecision] * -0.5 + N[(N[(N[(N[(t * z), $MachinePrecision] / a), $MachinePrecision] / y), $MachinePrecision] * 4.5), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision] * -1.0), $MachinePrecision]}, If[LessEqual[N[(x * y), $MachinePrecision], -5e+22], t$95$1, If[LessEqual[N[(x * y), $MachinePrecision], 1e+96], N[(N[(N[(N[(N[(y * x), $MachinePrecision] / a), $MachinePrecision] / t), $MachinePrecision] * 0.5 + N[(N[(z / a), $MachinePrecision] * -4.5), $MachinePrecision]), $MachinePrecision] * t), $MachinePrecision], t$95$1]]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\\\
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
t_1 := \left(\mathsf{fma}\left(\frac{x}{a}, -0.5, \frac{\frac{t \cdot z}{a}}{y} \cdot 4.5\right) \cdot y\right) \cdot -1\\
\mathbf{if}\;x \cdot y \leq -5 \cdot 10^{+22}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;x \cdot y \leq 10^{+96}:\\
\;\;\;\;\mathsf{fma}\left(\frac{\frac{y \cdot x}{a}}{t}, 0.5, \frac{z}{a} \cdot -4.5\right) \cdot t\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if (*.f64 x y) < -4.9999999999999996e22 or 1.00000000000000005e96 < (*.f64 x y) Initial program 80.5%
Taylor expanded in y around -inf
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f6487.6
Applied rewrites87.6%
if -4.9999999999999996e22 < (*.f64 x y) < 1.00000000000000005e96Initial program 93.6%
Taylor expanded in t around inf
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f6491.9
Applied rewrites91.9%
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function. NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function. (FPCore (x y z t a) :precision binary64 (* (* (fma (/ x a) -0.5 (* (/ (/ (* t z) a) y) 4.5)) y) -1.0))
assert(x < y && y < z && z < t && t < a);
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
return (fma((x / a), -0.5, ((((t * z) / a) / y) * 4.5)) * y) * -1.0;
}
x, y, z, t, a = sort([x, y, z, t, a]) x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) return Float64(Float64(fma(Float64(x / a), -0.5, Float64(Float64(Float64(Float64(t * z) / a) / y) * 4.5)) * y) * -1.0) end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function. NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_] := N[(N[(N[(N[(x / a), $MachinePrecision] * -0.5 + N[(N[(N[(N[(t * z), $MachinePrecision] / a), $MachinePrecision] / y), $MachinePrecision] * 4.5), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision] * -1.0), $MachinePrecision]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\\\
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\left(\mathsf{fma}\left(\frac{x}{a}, -0.5, \frac{\frac{t \cdot z}{a}}{y} \cdot 4.5\right) \cdot y\right) \cdot -1
\end{array}
Initial program 88.8%
Taylor expanded in y around -inf
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f6484.5
Applied rewrites84.5%
herbie shell --seed 2025065
(FPCore (x y z t a)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, I"
:precision binary64
:alt
(! :herbie-platform default (if (< a -209046455797670900000000000000000000000000000000000000000000000000000000000000000000000) (- (* 1/2 (/ (* y x) a)) (* 9/2 (/ t (/ a z)))) (if (< a 2144030707833976000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (/ (- (* x y) (* z (* 9 t))) (* a 2)) (- (* (/ y a) (* x 1/2)) (* (/ t a) (* z 9/2))))))
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0)))