
(FPCore (x y z t a b c i j k) :precision binary64 (- (- (+ (- (* (* (* (* x 18.0) y) z) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* (* j 27.0) k)))
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
return (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k);
}
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, b, c, i, j, k)
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
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8), intent (in) :: i
real(8), intent (in) :: j
real(8), intent (in) :: k
code = (((((((x * 18.0d0) * y) * z) * t) - ((a * 4.0d0) * t)) + (b * c)) - ((x * 4.0d0) * i)) - ((j * 27.0d0) * k)
end function
public static double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
return (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k);
}
def code(x, y, z, t, a, b, c, i, j, k): return (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k)
function code(x, y, z, t, a, b, c, i, j, k) return Float64(Float64(Float64(Float64(Float64(Float64(Float64(Float64(x * 18.0) * y) * z) * t) - Float64(Float64(a * 4.0) * t)) + Float64(b * c)) - Float64(Float64(x * 4.0) * i)) - Float64(Float64(j * 27.0) * k)) end
function tmp = code(x, y, z, t, a, b, c, i, j, k) tmp = (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k); end
code[x_, y_, z_, t_, a_, b_, c_, i_, j_, k_] := N[(N[(N[(N[(N[(N[(N[(N[(x * 18.0), $MachinePrecision] * y), $MachinePrecision] * z), $MachinePrecision] * t), $MachinePrecision] - N[(N[(a * 4.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] + N[(b * c), $MachinePrecision]), $MachinePrecision] - N[(N[(x * 4.0), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision] - N[(N[(j * 27.0), $MachinePrecision] * k), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(\left(\left(\left(\left(x \cdot 18\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4\right) \cdot i\right) - \left(j \cdot 27\right) \cdot k
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 4 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a b c i j k) :precision binary64 (- (- (+ (- (* (* (* (* x 18.0) y) z) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* (* j 27.0) k)))
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
return (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k);
}
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, b, c, i, j, k)
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
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8), intent (in) :: i
real(8), intent (in) :: j
real(8), intent (in) :: k
code = (((((((x * 18.0d0) * y) * z) * t) - ((a * 4.0d0) * t)) + (b * c)) - ((x * 4.0d0) * i)) - ((j * 27.0d0) * k)
end function
public static double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
return (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k);
}
def code(x, y, z, t, a, b, c, i, j, k): return (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k)
function code(x, y, z, t, a, b, c, i, j, k) return Float64(Float64(Float64(Float64(Float64(Float64(Float64(Float64(x * 18.0) * y) * z) * t) - Float64(Float64(a * 4.0) * t)) + Float64(b * c)) - Float64(Float64(x * 4.0) * i)) - Float64(Float64(j * 27.0) * k)) end
function tmp = code(x, y, z, t, a, b, c, i, j, k) tmp = (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k); end
code[x_, y_, z_, t_, a_, b_, c_, i_, j_, k_] := N[(N[(N[(N[(N[(N[(N[(N[(x * 18.0), $MachinePrecision] * y), $MachinePrecision] * z), $MachinePrecision] * t), $MachinePrecision] - N[(N[(a * 4.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] + N[(b * c), $MachinePrecision]), $MachinePrecision] - N[(N[(x * 4.0), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision] - N[(N[(j * 27.0), $MachinePrecision] * k), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(\left(\left(\left(\left(x \cdot 18\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4\right) \cdot i\right) - \left(j \cdot 27\right) \cdot k
\end{array}
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function.
(FPCore (x y z t a b c i j k)
:precision binary64
(let* ((t_1 (* (* x 4.0) i))
(t_2 (* (* j 27.0) k))
(t_3
(-
(- (+ (- (* (* (* (* x 18.0) y) z) t) (* (* a 4.0) t)) (* b c)) t_1)
t_2)))
(if (<= t_3 -5e+183)
(-
(- (fma (fma (* 18.0 t) (* z y) (* -4.0 i)) x (* c b)) (* (* a t) 4.0))
t_2)
(if (<= t_3 INFINITY)
(-
(- (+ (fma (* (* 18.0 x) y) (* z t) (* (* (- 4.0) a) t)) (* b c)) t_1)
t_2)
(* (fma -18.0 (* (* z y) t) (* i 4.0)) (- x))))))assert(x < y && y < z && z < t && t < a && a < b && b < c && c < i && i < j && j < k);
assert(x < y && y < z && z < t && t < a && a < b && b < c && c < i && i < j && j < k);
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
double t_1 = (x * 4.0) * i;
double t_2 = (j * 27.0) * k;
double t_3 = (((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - t_1) - t_2;
double tmp;
if (t_3 <= -5e+183) {
tmp = (fma(fma((18.0 * t), (z * y), (-4.0 * i)), x, (c * b)) - ((a * t) * 4.0)) - t_2;
} else if (t_3 <= ((double) INFINITY)) {
tmp = ((fma(((18.0 * x) * y), (z * t), ((-4.0 * a) * t)) + (b * c)) - t_1) - t_2;
} else {
tmp = fma(-18.0, ((z * y) * t), (i * 4.0)) * -x;
}
return tmp;
}
x, y, z, t, a, b, c, i, j, k = sort([x, y, z, t, a, b, c, i, j, k]) x, y, z, t, a, b, c, i, j, k = sort([x, y, z, t, a, b, c, i, j, k]) function code(x, y, z, t, a, b, c, i, j, k) t_1 = Float64(Float64(x * 4.0) * i) t_2 = Float64(Float64(j * 27.0) * k) t_3 = Float64(Float64(Float64(Float64(Float64(Float64(Float64(Float64(x * 18.0) * y) * z) * t) - Float64(Float64(a * 4.0) * t)) + Float64(b * c)) - t_1) - t_2) tmp = 0.0 if (t_3 <= -5e+183) tmp = Float64(Float64(fma(fma(Float64(18.0 * t), Float64(z * y), Float64(-4.0 * i)), x, Float64(c * b)) - Float64(Float64(a * t) * 4.0)) - t_2); elseif (t_3 <= Inf) tmp = Float64(Float64(Float64(fma(Float64(Float64(18.0 * x) * y), Float64(z * t), Float64(Float64(Float64(-4.0) * a) * t)) + Float64(b * c)) - t_1) - t_2); else tmp = Float64(fma(-18.0, Float64(Float64(z * y) * t), Float64(i * 4.0)) * Float64(-x)); end return tmp end
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function.
code[x_, y_, z_, t_, a_, b_, c_, i_, j_, k_] := Block[{t$95$1 = N[(N[(x * 4.0), $MachinePrecision] * i), $MachinePrecision]}, Block[{t$95$2 = N[(N[(j * 27.0), $MachinePrecision] * k), $MachinePrecision]}, Block[{t$95$3 = N[(N[(N[(N[(N[(N[(N[(N[(x * 18.0), $MachinePrecision] * y), $MachinePrecision] * z), $MachinePrecision] * t), $MachinePrecision] - N[(N[(a * 4.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] + N[(b * c), $MachinePrecision]), $MachinePrecision] - t$95$1), $MachinePrecision] - t$95$2), $MachinePrecision]}, If[LessEqual[t$95$3, -5e+183], N[(N[(N[(N[(N[(18.0 * t), $MachinePrecision] * N[(z * y), $MachinePrecision] + N[(-4.0 * i), $MachinePrecision]), $MachinePrecision] * x + N[(c * b), $MachinePrecision]), $MachinePrecision] - N[(N[(a * t), $MachinePrecision] * 4.0), $MachinePrecision]), $MachinePrecision] - t$95$2), $MachinePrecision], If[LessEqual[t$95$3, Infinity], N[(N[(N[(N[(N[(N[(18.0 * x), $MachinePrecision] * y), $MachinePrecision] * N[(z * t), $MachinePrecision] + N[(N[((-4.0) * a), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] + N[(b * c), $MachinePrecision]), $MachinePrecision] - t$95$1), $MachinePrecision] - t$95$2), $MachinePrecision], N[(N[(-18.0 * N[(N[(z * y), $MachinePrecision] * t), $MachinePrecision] + N[(i * 4.0), $MachinePrecision]), $MachinePrecision] * (-x)), $MachinePrecision]]]]]]
\begin{array}{l}
[x, y, z, t, a, b, c, i, j, k] = \mathsf{sort}([x, y, z, t, a, b, c, i, j, k])\\\\
[x, y, z, t, a, b, c, i, j, k] = \mathsf{sort}([x, y, z, t, a, b, c, i, j, k])\\
\\
\begin{array}{l}
t_1 := \left(x \cdot 4\right) \cdot i\\
t_2 := \left(j \cdot 27\right) \cdot k\\
t_3 := \left(\left(\left(\left(\left(\left(x \cdot 18\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4\right) \cdot t\right) + b \cdot c\right) - t\_1\right) - t\_2\\
\mathbf{if}\;t\_3 \leq -5 \cdot 10^{+183}:\\
\;\;\;\;\left(\mathsf{fma}\left(\mathsf{fma}\left(18 \cdot t, z \cdot y, -4 \cdot i\right), x, c \cdot b\right) - \left(a \cdot t\right) \cdot 4\right) - t\_2\\
\mathbf{elif}\;t\_3 \leq \infty:\\
\;\;\;\;\left(\left(\mathsf{fma}\left(\left(18 \cdot x\right) \cdot y, z \cdot t, \left(\left(-4\right) \cdot a\right) \cdot t\right) + b \cdot c\right) - t\_1\right) - t\_2\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(-18, \left(z \cdot y\right) \cdot t, i \cdot 4\right) \cdot \left(-x\right)\\
\end{array}
\end{array}
if (-.f64 (-.f64 (+.f64 (-.f64 (*.f64 (*.f64 (*.f64 (*.f64 x #s(literal 18 binary64)) y) z) t) (*.f64 (*.f64 a #s(literal 4 binary64)) t)) (*.f64 b c)) (*.f64 (*.f64 x #s(literal 4 binary64)) i)) (*.f64 (*.f64 j #s(literal 27 binary64)) k)) < -5.00000000000000009e183Initial program 91.1%
Taylor expanded in x around 0
lower--.f64N/A
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
fp-cancel-sub-sign-invN/A
associate-*r*N/A
metadata-evalN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites98.6%
if -5.00000000000000009e183 < (-.f64 (-.f64 (+.f64 (-.f64 (*.f64 (*.f64 (*.f64 (*.f64 x #s(literal 18 binary64)) y) z) t) (*.f64 (*.f64 a #s(literal 4 binary64)) t)) (*.f64 b c)) (*.f64 (*.f64 x #s(literal 4 binary64)) i)) (*.f64 (*.f64 j #s(literal 27 binary64)) k)) < +inf.0Initial program 94.7%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
associate-*l*N/A
lower-fma.f64N/A
lift-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-neg.f64N/A
lower-*.f6495.4
Applied rewrites95.4%
if +inf.0 < (-.f64 (-.f64 (+.f64 (-.f64 (*.f64 (*.f64 (*.f64 (*.f64 x #s(literal 18 binary64)) y) z) t) (*.f64 (*.f64 a #s(literal 4 binary64)) t)) (*.f64 b c)) (*.f64 (*.f64 x #s(literal 4 binary64)) i)) (*.f64 (*.f64 j #s(literal 27 binary64)) k)) Initial program 0.0%
Taylor expanded in x around -inf
mul-1-negN/A
lower-neg.f64N/A
*-commutativeN/A
lower-*.f64N/A
fp-cancel-sub-sign-invN/A
metadata-evalN/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6462.1
Applied rewrites62.1%
Final simplification92.0%
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function.
(FPCore (x y z t a b c i j k)
:precision binary64
(if (<= z 7e+108)
(fma
(* -4.0 i)
x
(fma
(* 18.0 t)
(* (* z y) x)
(fma (* -27.0 j) k (fma (* a t) -4.0 (* c b)))))
(-
(-
(+ (* (fma (/ (* a t) z) -4.0 (* (* (* y x) t) 18.0)) z) (* b c))
(* (* x 4.0) i))
(* j (* k 27.0)))))assert(x < y && y < z && z < t && t < a && a < b && b < c && c < i && i < j && j < k);
assert(x < y && y < z && z < t && t < a && a < b && b < c && c < i && i < j && j < k);
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
double tmp;
if (z <= 7e+108) {
tmp = fma((-4.0 * i), x, fma((18.0 * t), ((z * y) * x), fma((-27.0 * j), k, fma((a * t), -4.0, (c * b)))));
} else {
tmp = (((fma(((a * t) / z), -4.0, (((y * x) * t) * 18.0)) * z) + (b * c)) - ((x * 4.0) * i)) - (j * (k * 27.0));
}
return tmp;
}
x, y, z, t, a, b, c, i, j, k = sort([x, y, z, t, a, b, c, i, j, k]) x, y, z, t, a, b, c, i, j, k = sort([x, y, z, t, a, b, c, i, j, k]) function code(x, y, z, t, a, b, c, i, j, k) tmp = 0.0 if (z <= 7e+108) tmp = fma(Float64(-4.0 * i), x, fma(Float64(18.0 * t), Float64(Float64(z * y) * x), fma(Float64(-27.0 * j), k, fma(Float64(a * t), -4.0, Float64(c * b))))); else tmp = Float64(Float64(Float64(Float64(fma(Float64(Float64(a * t) / z), -4.0, Float64(Float64(Float64(y * x) * t) * 18.0)) * z) + Float64(b * c)) - Float64(Float64(x * 4.0) * i)) - Float64(j * Float64(k * 27.0))); end return tmp end
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_, b_, c_, i_, j_, k_] := If[LessEqual[z, 7e+108], N[(N[(-4.0 * i), $MachinePrecision] * x + N[(N[(18.0 * t), $MachinePrecision] * N[(N[(z * y), $MachinePrecision] * x), $MachinePrecision] + N[(N[(-27.0 * j), $MachinePrecision] * k + N[(N[(a * t), $MachinePrecision] * -4.0 + N[(c * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(N[(N[(N[(N[(a * t), $MachinePrecision] / z), $MachinePrecision] * -4.0 + N[(N[(N[(y * x), $MachinePrecision] * t), $MachinePrecision] * 18.0), $MachinePrecision]), $MachinePrecision] * z), $MachinePrecision] + N[(b * c), $MachinePrecision]), $MachinePrecision] - N[(N[(x * 4.0), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision] - N[(j * N[(k * 27.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z, t, a, b, c, i, j, k] = \mathsf{sort}([x, y, z, t, a, b, c, i, j, k])\\\\
[x, y, z, t, a, b, c, i, j, k] = \mathsf{sort}([x, y, z, t, a, b, c, i, j, k])\\
\\
\begin{array}{l}
\mathbf{if}\;z \leq 7 \cdot 10^{+108}:\\
\;\;\;\;\mathsf{fma}\left(-4 \cdot i, x, \mathsf{fma}\left(18 \cdot t, \left(z \cdot y\right) \cdot x, \mathsf{fma}\left(-27 \cdot j, k, \mathsf{fma}\left(a \cdot t, -4, c \cdot b\right)\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\mathsf{fma}\left(\frac{a \cdot t}{z}, -4, \left(\left(y \cdot x\right) \cdot t\right) \cdot 18\right) \cdot z + b \cdot c\right) - \left(x \cdot 4\right) \cdot i\right) - j \cdot \left(k \cdot 27\right)\\
\end{array}
\end{array}
if z < 7.0000000000000005e108Initial program 81.3%
Taylor expanded in i around 0
associate--l+N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
associate--l+N/A
associate-*r*N/A
lower-fma.f64N/A
Applied rewrites86.8%
lift--.f64N/A
lift-*.f64N/A
lift-fma.f64N/A
associate--r+N/A
lift-*.f64N/A
*-commutativeN/A
*-commutativeN/A
*-commutativeN/A
fp-cancel-sub-sign-invN/A
metadata-evalN/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate--l+N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
fp-cancel-sub-sign-invN/A
metadata-evalN/A
Applied rewrites88.2%
if 7.0000000000000005e108 < z Initial program 79.7%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6479.7
Applied rewrites79.7%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6487.3
Applied rewrites87.3%
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function.
(FPCore (x y z t a b c i j k)
:precision binary64
(if (<=
(-
(+ (- (* (* (* (* x 18.0) y) z) t) (* (* a 4.0) t)) (* b c))
(* (* x 4.0) i))
INFINITY)
(fma
(* -27.0 j)
k
(fma (* 18.0 t) (* (* z y) x) (- (* c b) (* 4.0 (fma a t (* i x))))))
(* (fma -18.0 (* (* z y) t) (* i 4.0)) (- x))))assert(x < y && y < z && z < t && t < a && a < b && b < c && c < i && i < j && j < k);
assert(x < y && y < z && z < t && t < a && a < b && b < c && c < i && i < j && j < k);
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
double tmp;
if ((((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) <= ((double) INFINITY)) {
tmp = fma((-27.0 * j), k, fma((18.0 * t), ((z * y) * x), ((c * b) - (4.0 * fma(a, t, (i * x))))));
} else {
tmp = fma(-18.0, ((z * y) * t), (i * 4.0)) * -x;
}
return tmp;
}
x, y, z, t, a, b, c, i, j, k = sort([x, y, z, t, a, b, c, i, j, k]) x, y, z, t, a, b, c, i, j, k = sort([x, y, z, t, a, b, c, i, j, k]) function code(x, y, z, t, a, b, c, i, j, k) tmp = 0.0 if (Float64(Float64(Float64(Float64(Float64(Float64(Float64(x * 18.0) * y) * z) * t) - Float64(Float64(a * 4.0) * t)) + Float64(b * c)) - Float64(Float64(x * 4.0) * i)) <= Inf) tmp = fma(Float64(-27.0 * j), k, fma(Float64(18.0 * t), Float64(Float64(z * y) * x), Float64(Float64(c * b) - Float64(4.0 * fma(a, t, Float64(i * x)))))); else tmp = Float64(fma(-18.0, Float64(Float64(z * y) * t), Float64(i * 4.0)) * Float64(-x)); end return tmp end
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_, b_, c_, i_, j_, k_] := If[LessEqual[N[(N[(N[(N[(N[(N[(N[(x * 18.0), $MachinePrecision] * y), $MachinePrecision] * z), $MachinePrecision] * t), $MachinePrecision] - N[(N[(a * 4.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] + N[(b * c), $MachinePrecision]), $MachinePrecision] - N[(N[(x * 4.0), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision], Infinity], N[(N[(-27.0 * j), $MachinePrecision] * k + N[(N[(18.0 * t), $MachinePrecision] * N[(N[(z * y), $MachinePrecision] * x), $MachinePrecision] + N[(N[(c * b), $MachinePrecision] - N[(4.0 * N[(a * t + N[(i * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(-18.0 * N[(N[(z * y), $MachinePrecision] * t), $MachinePrecision] + N[(i * 4.0), $MachinePrecision]), $MachinePrecision] * (-x)), $MachinePrecision]]
\begin{array}{l}
[x, y, z, t, a, b, c, i, j, k] = \mathsf{sort}([x, y, z, t, a, b, c, i, j, k])\\\\
[x, y, z, t, a, b, c, i, j, k] = \mathsf{sort}([x, y, z, t, a, b, c, i, j, k])\\
\\
\begin{array}{l}
\mathbf{if}\;\left(\left(\left(\left(\left(x \cdot 18\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4\right) \cdot i \leq \infty:\\
\;\;\;\;\mathsf{fma}\left(-27 \cdot j, k, \mathsf{fma}\left(18 \cdot t, \left(z \cdot y\right) \cdot x, c \cdot b - 4 \cdot \mathsf{fma}\left(a, t, i \cdot x\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(-18, \left(z \cdot y\right) \cdot t, i \cdot 4\right) \cdot \left(-x\right)\\
\end{array}
\end{array}
if (-.f64 (+.f64 (-.f64 (*.f64 (*.f64 (*.f64 (*.f64 x #s(literal 18 binary64)) y) z) t) (*.f64 (*.f64 a #s(literal 4 binary64)) t)) (*.f64 b c)) (*.f64 (*.f64 x #s(literal 4 binary64)) i)) < +inf.0Initial program 90.6%
Taylor expanded in j around 0
associate--l+N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
associate--l+N/A
associate-*r*N/A
lower-fma.f64N/A
Applied rewrites93.3%
if +inf.0 < (-.f64 (+.f64 (-.f64 (*.f64 (*.f64 (*.f64 (*.f64 x #s(literal 18 binary64)) y) z) t) (*.f64 (*.f64 a #s(literal 4 binary64)) t)) (*.f64 b c)) (*.f64 (*.f64 x #s(literal 4 binary64)) i)) Initial program 0.0%
Taylor expanded in x around -inf
mul-1-negN/A
lower-neg.f64N/A
*-commutativeN/A
lower-*.f64N/A
fp-cancel-sub-sign-invN/A
metadata-evalN/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6463.2
Applied rewrites63.2%
Final simplification90.1%
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function. (FPCore (x y z t a b c i j k) :precision binary64 (* (fma -18.0 (* (* z y) t) (* i 4.0)) (- x)))
assert(x < y && y < z && z < t && t < a && a < b && b < c && c < i && i < j && j < k);
assert(x < y && y < z && z < t && t < a && a < b && b < c && c < i && i < j && j < k);
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
return fma(-18.0, ((z * y) * t), (i * 4.0)) * -x;
}
x, y, z, t, a, b, c, i, j, k = sort([x, y, z, t, a, b, c, i, j, k]) x, y, z, t, a, b, c, i, j, k = sort([x, y, z, t, a, b, c, i, j, k]) function code(x, y, z, t, a, b, c, i, j, k) return Float64(fma(-18.0, Float64(Float64(z * y) * t), Float64(i * 4.0)) * Float64(-x)) end
NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, b, c, i, j, and k should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_, b_, c_, i_, j_, k_] := N[(N[(-18.0 * N[(N[(z * y), $MachinePrecision] * t), $MachinePrecision] + N[(i * 4.0), $MachinePrecision]), $MachinePrecision] * (-x)), $MachinePrecision]
\begin{array}{l}
[x, y, z, t, a, b, c, i, j, k] = \mathsf{sort}([x, y, z, t, a, b, c, i, j, k])\\\\
[x, y, z, t, a, b, c, i, j, k] = \mathsf{sort}([x, y, z, t, a, b, c, i, j, k])\\
\\
\mathsf{fma}\left(-18, \left(z \cdot y\right) \cdot t, i \cdot 4\right) \cdot \left(-x\right)
\end{array}
Initial program 81.1%
Taylor expanded in x around -inf
mul-1-negN/A
lower-neg.f64N/A
*-commutativeN/A
lower-*.f64N/A
fp-cancel-sub-sign-invN/A
metadata-evalN/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6445.3
Applied rewrites45.3%
Final simplification45.3%
herbie shell --seed 2025057
(FPCore (x y z t a b c i j k)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, E"
:precision binary64
:alt
(! :herbie-platform default (if (< t -8105407698770699/5000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (- (- (* (* 18 t) (* (* x y) z)) (* (+ (* a t) (* i x)) 4)) (- (* (* k j) 27) (* c b))) (if (< t 8284013971902611/50000000000000) (+ (- (* (* 18 y) (* x (* z t))) (* (+ (* a t) (* i x)) 4)) (- (* c b) (* 27 (* k j)))) (- (- (* (* 18 t) (* (* x y) z)) (* (+ (* a t) (* i x)) 4)) (- (* (* k j) 27) (* c b))))))
(- (- (+ (- (* (* (* (* x 18.0) y) z) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* (* j 27.0) k)))