
(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 7 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. (FPCore (x y z t a) :precision binary64 (if (<= (- (* x y) (* (* z 9.0) t)) -1e+188) (fma (* t -4.5) (/ z a) (* (/ x (* 2.0 a)) y)) (/ (fma (* -9.0 z) t (* y x)) (* a 2.0))))
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double tmp;
if (((x * y) - ((z * 9.0) * t)) <= -1e+188) {
tmp = fma((t * -4.5), (z / a), ((x / (2.0 * a)) * y));
} else {
tmp = fma((-9.0 * z), t, (y * x)) / (a * 2.0);
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) tmp = 0.0 if (Float64(Float64(x * y) - Float64(Float64(z * 9.0) * t)) <= -1e+188) tmp = fma(Float64(t * -4.5), Float64(z / a), Float64(Float64(x / Float64(2.0 * a)) * y)); else tmp = Float64(fma(Float64(-9.0 * z), t, Float64(y * x)) / Float64(a * 2.0)); end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_] := If[LessEqual[N[(N[(x * y), $MachinePrecision] - N[(N[(z * 9.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision], -1e+188], N[(N[(t * -4.5), $MachinePrecision] * N[(z / a), $MachinePrecision] + N[(N[(x / N[(2.0 * a), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision], N[(N[(N[(-9.0 * z), $MachinePrecision] * t + N[(y * x), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
\mathbf{if}\;x \cdot y - \left(z \cdot 9\right) \cdot t \leq -1 \cdot 10^{+188}:\\
\;\;\;\;\mathsf{fma}\left(t \cdot -4.5, \frac{z}{a}, \frac{x}{2 \cdot a} \cdot y\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{fma}\left(-9 \cdot z, t, y \cdot x\right)}{a \cdot 2}\\
\end{array}
\end{array}
if (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) < -1e188Initial program 83.1%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6483.1
Applied rewrites83.1%
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-fma.f64N/A
*-commutativeN/A
*-commutativeN/A
associate-*l*N/A
div-addN/A
frac-timesN/A
metadata-evalN/A
associate-/l*N/A
associate-*r*N/A
*-commutativeN/A
*-commutativeN/A
associate-*r/N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
lower-/.f64N/A
Applied rewrites97.0%
if -1e188 < (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) Initial program 94.9%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6495.9
Applied rewrites95.9%
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 (if (<= (- (* x y) (* (* z 9.0) t)) -1e+188) (fma (* t (/ z a)) -4.5 (* (/ x (+ a a)) y)) (/ (fma (* -9.0 z) t (* y x)) (* a 2.0))))
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double tmp;
if (((x * y) - ((z * 9.0) * t)) <= -1e+188) {
tmp = fma((t * (z / a)), -4.5, ((x / (a + a)) * y));
} else {
tmp = fma((-9.0 * z), t, (y * x)) / (a * 2.0);
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) tmp = 0.0 if (Float64(Float64(x * y) - Float64(Float64(z * 9.0) * t)) <= -1e+188) tmp = fma(Float64(t * Float64(z / a)), -4.5, Float64(Float64(x / Float64(a + a)) * y)); else tmp = Float64(fma(Float64(-9.0 * z), t, Float64(y * x)) / Float64(a * 2.0)); end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_] := If[LessEqual[N[(N[(x * y), $MachinePrecision] - N[(N[(z * 9.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision], -1e+188], N[(N[(t * N[(z / a), $MachinePrecision]), $MachinePrecision] * -4.5 + N[(N[(x / N[(a + a), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision], N[(N[(N[(-9.0 * z), $MachinePrecision] * t + N[(y * x), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
\mathbf{if}\;x \cdot y - \left(z \cdot 9\right) \cdot t \leq -1 \cdot 10^{+188}:\\
\;\;\;\;\mathsf{fma}\left(t \cdot \frac{z}{a}, -4.5, \frac{x}{a + a} \cdot y\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{fma}\left(-9 \cdot z, t, y \cdot x\right)}{a \cdot 2}\\
\end{array}
\end{array}
if (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) < -1e188Initial program 83.1%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6483.1
Applied rewrites83.1%
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-fma.f64N/A
*-commutativeN/A
*-commutativeN/A
associate-*l*N/A
div-addN/A
frac-timesN/A
metadata-evalN/A
*-commutativeN/A
associate-*r/N/A
lower-fma.f64N/A
lift-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lift-/.f64N/A
lift-*.f6486.8
Applied rewrites86.8%
lift-*.f64N/A
lift-/.f64N/A
associate-/l*N/A
lower-*.f64N/A
lift-/.f6496.9
Applied rewrites96.9%
lift-*.f64N/A
count-2-revN/A
lift-+.f6496.9
Applied rewrites96.9%
if -1e188 < (-.f64 (*.f64 x y) (*.f64 (*.f64 z #s(literal 9 binary64)) t)) Initial program 94.9%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6495.9
Applied rewrites95.9%
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 (* (* z 9.0) t)))
(if (or (<= t_1 -2e+16) (not (<= t_1 5e-19)))
(* t (* (/ z a) -4.5))
(/ (* x y) (+ a 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 = (z * 9.0) * t;
double tmp;
if ((t_1 <= -2e+16) || !(t_1 <= 5e-19)) {
tmp = t * ((z / a) * -4.5);
} else {
tmp = (x * y) / (a + a);
}
return tmp;
}
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
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
real(8) :: t_1
real(8) :: tmp
t_1 = (z * 9.0d0) * t
if ((t_1 <= (-2d+16)) .or. (.not. (t_1 <= 5d-19))) then
tmp = t * ((z / a) * (-4.5d0))
else
tmp = (x * y) / (a + a)
end if
code = tmp
end function
assert x < y && y < z && z < t && t < a;
public static double code(double x, double y, double z, double t, double a) {
double t_1 = (z * 9.0) * t;
double tmp;
if ((t_1 <= -2e+16) || !(t_1 <= 5e-19)) {
tmp = t * ((z / a) * -4.5);
} else {
tmp = (x * y) / (a + a);
}
return tmp;
}
[x, y, z, t, a] = sort([x, y, z, t, a]) def code(x, y, z, t, a): t_1 = (z * 9.0) * t tmp = 0 if (t_1 <= -2e+16) or not (t_1 <= 5e-19): tmp = t * ((z / a) * -4.5) else: tmp = (x * y) / (a + a) return tmp
x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) t_1 = Float64(Float64(z * 9.0) * t) tmp = 0.0 if ((t_1 <= -2e+16) || !(t_1 <= 5e-19)) tmp = Float64(t * Float64(Float64(z / a) * -4.5)); else tmp = Float64(Float64(x * y) / Float64(a + a)); end return tmp end
x, y, z, t, a = num2cell(sort([x, y, z, t, a])){:}
function tmp_2 = code(x, y, z, t, a)
t_1 = (z * 9.0) * t;
tmp = 0.0;
if ((t_1 <= -2e+16) || ~((t_1 <= 5e-19)))
tmp = t * ((z / a) * -4.5);
else
tmp = (x * y) / (a + a);
end
tmp_2 = tmp;
end
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[(z * 9.0), $MachinePrecision] * t), $MachinePrecision]}, If[Or[LessEqual[t$95$1, -2e+16], N[Not[LessEqual[t$95$1, 5e-19]], $MachinePrecision]], N[(t * N[(N[(z / a), $MachinePrecision] * -4.5), $MachinePrecision]), $MachinePrecision], N[(N[(x * y), $MachinePrecision] / N[(a + a), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
t_1 := \left(z \cdot 9\right) \cdot t\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{+16} \lor \neg \left(t\_1 \leq 5 \cdot 10^{-19}\right):\\
\;\;\;\;t \cdot \left(\frac{z}{a} \cdot -4.5\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{x \cdot y}{a + a}\\
\end{array}
\end{array}
if (*.f64 (*.f64 z #s(literal 9 binary64)) t) < -2e16 or 5.0000000000000004e-19 < (*.f64 (*.f64 z #s(literal 9 binary64)) t) Initial program 88.1%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower-*.f6472.1
Applied rewrites72.1%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-/l*N/A
associate-*r*N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f6477.0
Applied rewrites77.0%
if -2e16 < (*.f64 (*.f64 z #s(literal 9 binary64)) t) < 5.0000000000000004e-19Initial program 96.7%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
associate-*r*N/A
*-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6496.7
Applied rewrites96.7%
lift-*.f64N/A
*-commutativeN/A
count-2-revN/A
lower-+.f6496.7
Applied rewrites96.7%
Taylor expanded in x around inf
lower-*.f6486.4
Applied rewrites86.4%
Final simplification81.9%
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 (* (* z 9.0) t)))
(if (<= t_1 -2e+16)
(* t (* (/ z a) -4.5))
(if (<= t_1 0.001) (/ (* x y) (+ a a)) (* (* t (/ z a)) -4.5)))))assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double t_1 = (z * 9.0) * t;
double tmp;
if (t_1 <= -2e+16) {
tmp = t * ((z / a) * -4.5);
} else if (t_1 <= 0.001) {
tmp = (x * y) / (a + a);
} else {
tmp = (t * (z / a)) * -4.5;
}
return tmp;
}
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
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
real(8) :: t_1
real(8) :: tmp
t_1 = (z * 9.0d0) * t
if (t_1 <= (-2d+16)) then
tmp = t * ((z / a) * (-4.5d0))
else if (t_1 <= 0.001d0) then
tmp = (x * y) / (a + a)
else
tmp = (t * (z / a)) * (-4.5d0)
end if
code = tmp
end function
assert x < y && y < z && z < t && t < a;
public static double code(double x, double y, double z, double t, double a) {
double t_1 = (z * 9.0) * t;
double tmp;
if (t_1 <= -2e+16) {
tmp = t * ((z / a) * -4.5);
} else if (t_1 <= 0.001) {
tmp = (x * y) / (a + a);
} else {
tmp = (t * (z / a)) * -4.5;
}
return tmp;
}
[x, y, z, t, a] = sort([x, y, z, t, a]) def code(x, y, z, t, a): t_1 = (z * 9.0) * t tmp = 0 if t_1 <= -2e+16: tmp = t * ((z / a) * -4.5) elif t_1 <= 0.001: tmp = (x * y) / (a + a) else: tmp = (t * (z / a)) * -4.5 return tmp
x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) t_1 = Float64(Float64(z * 9.0) * t) tmp = 0.0 if (t_1 <= -2e+16) tmp = Float64(t * Float64(Float64(z / a) * -4.5)); elseif (t_1 <= 0.001) tmp = Float64(Float64(x * y) / Float64(a + a)); else tmp = Float64(Float64(t * Float64(z / a)) * -4.5); end return tmp end
x, y, z, t, a = num2cell(sort([x, y, z, t, a])){:}
function tmp_2 = code(x, y, z, t, a)
t_1 = (z * 9.0) * t;
tmp = 0.0;
if (t_1 <= -2e+16)
tmp = t * ((z / a) * -4.5);
elseif (t_1 <= 0.001)
tmp = (x * y) / (a + a);
else
tmp = (t * (z / a)) * -4.5;
end
tmp_2 = tmp;
end
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[(z * 9.0), $MachinePrecision] * t), $MachinePrecision]}, If[LessEqual[t$95$1, -2e+16], N[(t * N[(N[(z / a), $MachinePrecision] * -4.5), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 0.001], N[(N[(x * y), $MachinePrecision] / N[(a + a), $MachinePrecision]), $MachinePrecision], N[(N[(t * N[(z / a), $MachinePrecision]), $MachinePrecision] * -4.5), $MachinePrecision]]]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
t_1 := \left(z \cdot 9\right) \cdot t\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{+16}:\\
\;\;\;\;t \cdot \left(\frac{z}{a} \cdot -4.5\right)\\
\mathbf{elif}\;t\_1 \leq 0.001:\\
\;\;\;\;\frac{x \cdot y}{a + a}\\
\mathbf{else}:\\
\;\;\;\;\left(t \cdot \frac{z}{a}\right) \cdot -4.5\\
\end{array}
\end{array}
if (*.f64 (*.f64 z #s(literal 9 binary64)) t) < -2e16Initial program 92.1%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower-*.f6484.6
Applied rewrites84.6%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-/l*N/A
associate-*r*N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f6490.2
Applied rewrites90.2%
if -2e16 < (*.f64 (*.f64 z #s(literal 9 binary64)) t) < 1e-3Initial program 96.8%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
associate-*r*N/A
*-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6496.8
Applied rewrites96.8%
lift-*.f64N/A
*-commutativeN/A
count-2-revN/A
lower-+.f6496.8
Applied rewrites96.8%
Taylor expanded in x around inf
lower-*.f6485.9
Applied rewrites85.9%
if 1e-3 < (*.f64 (*.f64 z #s(literal 9 binary64)) t) Initial program 85.1%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower-*.f6464.0
Applied rewrites64.0%
lift-*.f64N/A
lift-/.f64N/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f6469.8
Applied rewrites69.8%
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 (if (<= (* (* z 9.0) t) 1e+290) (/ (fma (* t z) -9.0 (* y x)) (+ a a)) (* (* t -4.5) (/ z a))))
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double tmp;
if (((z * 9.0) * t) <= 1e+290) {
tmp = fma((t * z), -9.0, (y * x)) / (a + a);
} else {
tmp = (t * -4.5) * (z / a);
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) tmp = 0.0 if (Float64(Float64(z * 9.0) * t) <= 1e+290) tmp = Float64(fma(Float64(t * z), -9.0, Float64(y * x)) / Float64(a + a)); else tmp = Float64(Float64(t * -4.5) * Float64(z / a)); end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_] := If[LessEqual[N[(N[(z * 9.0), $MachinePrecision] * t), $MachinePrecision], 1e+290], N[(N[(N[(t * z), $MachinePrecision] * -9.0 + N[(y * x), $MachinePrecision]), $MachinePrecision] / N[(a + a), $MachinePrecision]), $MachinePrecision], N[(N[(t * -4.5), $MachinePrecision] * N[(z / a), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
\mathbf{if}\;\left(z \cdot 9\right) \cdot t \leq 10^{+290}:\\
\;\;\;\;\frac{\mathsf{fma}\left(t \cdot z, -9, y \cdot x\right)}{a + a}\\
\mathbf{else}:\\
\;\;\;\;\left(t \cdot -4.5\right) \cdot \frac{z}{a}\\
\end{array}
\end{array}
if (*.f64 (*.f64 z #s(literal 9 binary64)) t) < 1.00000000000000006e290Initial program 95.5%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
associate-*r*N/A
*-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6495.6
Applied rewrites95.6%
lift-*.f64N/A
*-commutativeN/A
count-2-revN/A
lower-+.f6495.6
Applied rewrites95.6%
if 1.00000000000000006e290 < (*.f64 (*.f64 z #s(literal 9 binary64)) t) Initial program 62.5%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower-*.f6462.6
Applied rewrites62.6%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-/l*N/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-/.f6488.3
Applied rewrites88.3%
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 (if (<= t -2.5e+52) (* (* t -4.5) (/ z a)) (/ (fma (* -9.0 z) t (* y x)) (* a 2.0))))
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
double tmp;
if (t <= -2.5e+52) {
tmp = (t * -4.5) * (z / a);
} else {
tmp = fma((-9.0 * z), t, (y * x)) / (a * 2.0);
}
return tmp;
}
x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) tmp = 0.0 if (t <= -2.5e+52) tmp = Float64(Float64(t * -4.5) * Float64(z / a)); else tmp = Float64(fma(Float64(-9.0 * z), t, Float64(y * x)) / Float64(a * 2.0)); end return tmp end
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_] := If[LessEqual[t, -2.5e+52], N[(N[(t * -4.5), $MachinePrecision] * N[(z / a), $MachinePrecision]), $MachinePrecision], N[(N[(N[(-9.0 * z), $MachinePrecision] * t + N[(y * x), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\begin{array}{l}
\mathbf{if}\;t \leq -2.5 \cdot 10^{+52}:\\
\;\;\;\;\left(t \cdot -4.5\right) \cdot \frac{z}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{fma}\left(-9 \cdot z, t, y \cdot x\right)}{a \cdot 2}\\
\end{array}
\end{array}
if t < -2.5e52Initial program 83.5%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower-*.f6459.4
Applied rewrites59.4%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-/l*N/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-/.f6468.0
Applied rewrites68.0%
if -2.5e52 < t Initial program 95.3%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6495.8
Applied rewrites95.8%
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 (/ (* x y) (+ a a)))
assert(x < y && y < z && z < t && t < a);
double code(double x, double y, double z, double t, double a) {
return (x * y) / (a + a);
}
NOTE: x, y, z, t, and a should be sorted in increasing order before calling this function.
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) / (a + a)
end function
assert x < y && y < z && z < t && t < a;
public static double code(double x, double y, double z, double t, double a) {
return (x * y) / (a + a);
}
[x, y, z, t, a] = sort([x, y, z, t, a]) def code(x, y, z, t, a): return (x * y) / (a + a)
x, y, z, t, a = sort([x, y, z, t, a]) function code(x, y, z, t, a) return Float64(Float64(x * y) / Float64(a + a)) end
x, y, z, t, a = num2cell(sort([x, y, z, t, a])){:}
function tmp = code(x, y, z, t, a)
tmp = (x * y) / (a + a);
end
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[(x * y), $MachinePrecision] / N[(a + a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z, t, a] = \mathsf{sort}([x, y, z, t, a])\\
\\
\frac{x \cdot y}{a + a}
\end{array}
Initial program 92.6%
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
fp-cancel-sub-sign-invN/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
associate-*r*N/A
*-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6492.6
Applied rewrites92.6%
lift-*.f64N/A
*-commutativeN/A
count-2-revN/A
lower-+.f6492.6
Applied rewrites92.6%
Taylor expanded in x around inf
lower-*.f6454.9
Applied rewrites54.9%
(FPCore (x y z t a)
:precision binary64
(if (< a -2.090464557976709e+86)
(- (* 0.5 (/ (* y x) a)) (* 4.5 (/ t (/ a z))))
(if (< a 2.144030707833976e+99)
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))
(- (* (/ y a) (* x 0.5)) (* (/ t a) (* z 4.5))))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (a < -2.090464557976709e+86) {
tmp = (0.5 * ((y * x) / a)) - (4.5 * (t / (a / z)));
} else if (a < 2.144030707833976e+99) {
tmp = ((x * y) - (z * (9.0 * t))) / (a * 2.0);
} else {
tmp = ((y / a) * (x * 0.5)) - ((t / a) * (z * 4.5));
}
return tmp;
}
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
real(8) :: tmp
if (a < (-2.090464557976709d+86)) then
tmp = (0.5d0 * ((y * x) / a)) - (4.5d0 * (t / (a / z)))
else if (a < 2.144030707833976d+99) then
tmp = ((x * y) - (z * (9.0d0 * t))) / (a * 2.0d0)
else
tmp = ((y / a) * (x * 0.5d0)) - ((t / a) * (z * 4.5d0))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if (a < -2.090464557976709e+86) {
tmp = (0.5 * ((y * x) / a)) - (4.5 * (t / (a / z)));
} else if (a < 2.144030707833976e+99) {
tmp = ((x * y) - (z * (9.0 * t))) / (a * 2.0);
} else {
tmp = ((y / a) * (x * 0.5)) - ((t / a) * (z * 4.5));
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if a < -2.090464557976709e+86: tmp = (0.5 * ((y * x) / a)) - (4.5 * (t / (a / z))) elif a < 2.144030707833976e+99: tmp = ((x * y) - (z * (9.0 * t))) / (a * 2.0) else: tmp = ((y / a) * (x * 0.5)) - ((t / a) * (z * 4.5)) return tmp
function code(x, y, z, t, a) tmp = 0.0 if (a < -2.090464557976709e+86) tmp = Float64(Float64(0.5 * Float64(Float64(y * x) / a)) - Float64(4.5 * Float64(t / Float64(a / z)))); elseif (a < 2.144030707833976e+99) tmp = Float64(Float64(Float64(x * y) - Float64(z * Float64(9.0 * t))) / Float64(a * 2.0)); else tmp = Float64(Float64(Float64(y / a) * Float64(x * 0.5)) - Float64(Float64(t / a) * Float64(z * 4.5))); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (a < -2.090464557976709e+86) tmp = (0.5 * ((y * x) / a)) - (4.5 * (t / (a / z))); elseif (a < 2.144030707833976e+99) tmp = ((x * y) - (z * (9.0 * t))) / (a * 2.0); else tmp = ((y / a) * (x * 0.5)) - ((t / a) * (z * 4.5)); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Less[a, -2.090464557976709e+86], N[(N[(0.5 * N[(N[(y * x), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision] - N[(4.5 * N[(t / N[(a / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Less[a, 2.144030707833976e+99], N[(N[(N[(x * y), $MachinePrecision] - N[(z * N[(9.0 * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(a * 2.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(y / a), $MachinePrecision] * N[(x * 0.5), $MachinePrecision]), $MachinePrecision] - N[(N[(t / a), $MachinePrecision] * N[(z * 4.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a < -2.090464557976709 \cdot 10^{+86}:\\
\;\;\;\;0.5 \cdot \frac{y \cdot x}{a} - 4.5 \cdot \frac{t}{\frac{a}{z}}\\
\mathbf{elif}\;a < 2.144030707833976 \cdot 10^{+99}:\\
\;\;\;\;\frac{x \cdot y - z \cdot \left(9 \cdot t\right)}{a \cdot 2}\\
\mathbf{else}:\\
\;\;\;\;\frac{y}{a} \cdot \left(x \cdot 0.5\right) - \frac{t}{a} \cdot \left(z \cdot 4.5\right)\\
\end{array}
\end{array}
herbie shell --seed 2025057
(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)))