
(FPCore (x y z t a b) :precision binary64 (+ (- (* x 2.0) (* (* (* y 9.0) z) t)) (* (* a 27.0) b)))
double code(double x, double y, double z, double t, double a, double b) {
return ((x * 2.0) - (((y * 9.0) * z) * t)) + ((a * 27.0) * b);
}
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)
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
code = ((x * 2.0d0) - (((y * 9.0d0) * z) * t)) + ((a * 27.0d0) * b)
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return ((x * 2.0) - (((y * 9.0) * z) * t)) + ((a * 27.0) * b);
}
def code(x, y, z, t, a, b): return ((x * 2.0) - (((y * 9.0) * z) * t)) + ((a * 27.0) * b)
function code(x, y, z, t, a, b) return Float64(Float64(Float64(x * 2.0) - Float64(Float64(Float64(y * 9.0) * z) * t)) + Float64(Float64(a * 27.0) * b)) end
function tmp = code(x, y, z, t, a, b) tmp = ((x * 2.0) - (((y * 9.0) * z) * t)) + ((a * 27.0) * b); end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[(x * 2.0), $MachinePrecision] - N[(N[(N[(y * 9.0), $MachinePrecision] * z), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] + N[(N[(a * 27.0), $MachinePrecision] * b), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot 2 - \left(\left(y \cdot 9\right) \cdot z\right) \cdot t\right) + \left(a \cdot 27\right) \cdot b
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a b) :precision binary64 (+ (- (* x 2.0) (* (* (* y 9.0) z) t)) (* (* a 27.0) b)))
double code(double x, double y, double z, double t, double a, double b) {
return ((x * 2.0) - (((y * 9.0) * z) * t)) + ((a * 27.0) * b);
}
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)
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
code = ((x * 2.0d0) - (((y * 9.0d0) * z) * t)) + ((a * 27.0d0) * b)
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return ((x * 2.0) - (((y * 9.0) * z) * t)) + ((a * 27.0) * b);
}
def code(x, y, z, t, a, b): return ((x * 2.0) - (((y * 9.0) * z) * t)) + ((a * 27.0) * b)
function code(x, y, z, t, a, b) return Float64(Float64(Float64(x * 2.0) - Float64(Float64(Float64(y * 9.0) * z) * t)) + Float64(Float64(a * 27.0) * b)) end
function tmp = code(x, y, z, t, a, b) tmp = ((x * 2.0) - (((y * 9.0) * z) * t)) + ((a * 27.0) * b); end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[(x * 2.0), $MachinePrecision] - N[(N[(N[(y * 9.0), $MachinePrecision] * z), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] + N[(N[(a * 27.0), $MachinePrecision] * b), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot 2 - \left(\left(y \cdot 9\right) \cdot z\right) \cdot t\right) + \left(a \cdot 27\right) \cdot b
\end{array}
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. (FPCore (x y z t a b) :precision binary64 (if (<= t 1e-91) (+ (- (* x 2.0) (* (* t y) (* z 9.0))) (* (* a 27.0) b)) (fma (* b 27.0) a (fma (* -9.0 t) (* z y) (* 2.0 x)))))
assert(x < y && y < z && z < t && t < a && a < b);
assert(x < y && y < z && z < t && t < a && a < b);
double code(double x, double y, double z, double t, double a, double b) {
double tmp;
if (t <= 1e-91) {
tmp = ((x * 2.0) - ((t * y) * (z * 9.0))) + ((a * 27.0) * b);
} else {
tmp = fma((b * 27.0), a, fma((-9.0 * t), (z * y), (2.0 * x)));
}
return tmp;
}
x, y, z, t, a, b = sort([x, y, z, t, a, b]) x, y, z, t, a, b = sort([x, y, z, t, a, b]) function code(x, y, z, t, a, b) tmp = 0.0 if (t <= 1e-91) tmp = Float64(Float64(Float64(x * 2.0) - Float64(Float64(t * y) * Float64(z * 9.0))) + Float64(Float64(a * 27.0) * b)); else tmp = fma(Float64(b * 27.0), a, fma(Float64(-9.0 * t), Float64(z * y), Float64(2.0 * x))); end return tmp end
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_, b_] := If[LessEqual[t, 1e-91], N[(N[(N[(x * 2.0), $MachinePrecision] - N[(N[(t * y), $MachinePrecision] * N[(z * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(a * 27.0), $MachinePrecision] * b), $MachinePrecision]), $MachinePrecision], N[(N[(b * 27.0), $MachinePrecision] * a + N[(N[(-9.0 * t), $MachinePrecision] * N[(z * y), $MachinePrecision] + N[(2.0 * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\\\
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\
\\
\begin{array}{l}
\mathbf{if}\;t \leq 10^{-91}:\\
\;\;\;\;\left(x \cdot 2 - \left(t \cdot y\right) \cdot \left(z \cdot 9\right)\right) + \left(a \cdot 27\right) \cdot b\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(b \cdot 27, a, \mathsf{fma}\left(-9 \cdot t, z \cdot y, 2 \cdot x\right)\right)\\
\end{array}
\end{array}
if t < 1.00000000000000002e-91Initial program 94.0%
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6496.5
Applied rewrites96.5%
if 1.00000000000000002e-91 < t Initial program 96.1%
lift-+.f64N/A
lift--.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-*.f64N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
*-commutativeN/A
associate-*r*N/A
cancel-sign-sub-invN/A
Applied rewrites98.6%
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. (FPCore (x y z t a b) :precision binary64 (fma (* b 27.0) a (fma (* (* z t) -9.0) y (* 2.0 x))))
assert(x < y && y < z && z < t && t < a && a < b);
assert(x < y && y < z && z < t && t < a && a < b);
double code(double x, double y, double z, double t, double a, double b) {
return fma((b * 27.0), a, fma(((z * t) * -9.0), y, (2.0 * x)));
}
x, y, z, t, a, b = sort([x, y, z, t, a, b]) x, y, z, t, a, b = sort([x, y, z, t, a, b]) function code(x, y, z, t, a, b) return fma(Float64(b * 27.0), a, fma(Float64(Float64(z * t) * -9.0), y, Float64(2.0 * x))) end
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_, b_] := N[(N[(b * 27.0), $MachinePrecision] * a + N[(N[(N[(z * t), $MachinePrecision] * -9.0), $MachinePrecision] * y + N[(2.0 * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\\\
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\
\\
\mathsf{fma}\left(b \cdot 27, a, \mathsf{fma}\left(\left(z \cdot t\right) \cdot -9, y, 2 \cdot x\right)\right)
\end{array}
Initial program 94.7%
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6495.6
Applied rewrites95.6%
Applied rewrites96.1%
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. (FPCore (x y z t a b) :precision binary64 (fma (* b 27.0) a (fma (* y (* t z)) -9.0 (* x 2.0))))
assert(x < y && y < z && z < t && t < a && a < b);
assert(x < y && y < z && z < t && t < a && a < b);
double code(double x, double y, double z, double t, double a, double b) {
return fma((b * 27.0), a, fma((y * (t * z)), -9.0, (x * 2.0)));
}
x, y, z, t, a, b = sort([x, y, z, t, a, b]) x, y, z, t, a, b = sort([x, y, z, t, a, b]) function code(x, y, z, t, a, b) return fma(Float64(b * 27.0), a, fma(Float64(y * Float64(t * z)), -9.0, Float64(x * 2.0))) end
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_, b_] := N[(N[(b * 27.0), $MachinePrecision] * a + N[(N[(y * N[(t * z), $MachinePrecision]), $MachinePrecision] * -9.0 + N[(x * 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\\\
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\
\\
\mathsf{fma}\left(b \cdot 27, a, \mathsf{fma}\left(y \cdot \left(t \cdot z\right), -9, x \cdot 2\right)\right)
\end{array}
Initial program 94.7%
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6495.6
Applied rewrites95.6%
Applied rewrites96.1%
lift-*.f64N/A
lift-fma.f64N/A
*-commutativeN/A
lift-*.f64N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6496.1
Applied rewrites96.1%
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function.
(FPCore (x y z t a b)
:precision binary64
(let* ((t_1 (* (* a 27.0) b)) (t_2 (* (* y 9.0) z)))
(if (<= t_2 1e+121)
(+ (- (* x 2.0) (* t_2 t)) t_1)
(+ (- (* x 2.0) (* (* t y) (* z 9.0))) t_1))))assert(x < y && y < z && z < t && t < a && a < b);
assert(x < y && y < z && z < t && t < a && a < b);
double code(double x, double y, double z, double t, double a, double b) {
double t_1 = (a * 27.0) * b;
double t_2 = (y * 9.0) * z;
double tmp;
if (t_2 <= 1e+121) {
tmp = ((x * 2.0) - (t_2 * t)) + t_1;
} else {
tmp = ((x * 2.0) - ((t * y) * (z * 9.0))) + t_1;
}
return tmp;
}
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, a, and b 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, b)
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) :: t_1
real(8) :: t_2
real(8) :: tmp
t_1 = (a * 27.0d0) * b
t_2 = (y * 9.0d0) * z
if (t_2 <= 1d+121) then
tmp = ((x * 2.0d0) - (t_2 * t)) + t_1
else
tmp = ((x * 2.0d0) - ((t * y) * (z * 9.0d0))) + t_1
end if
code = tmp
end function
assert x < y && y < z && z < t && t < a && a < b;
assert x < y && y < z && z < t && t < a && a < b;
public static double code(double x, double y, double z, double t, double a, double b) {
double t_1 = (a * 27.0) * b;
double t_2 = (y * 9.0) * z;
double tmp;
if (t_2 <= 1e+121) {
tmp = ((x * 2.0) - (t_2 * t)) + t_1;
} else {
tmp = ((x * 2.0) - ((t * y) * (z * 9.0))) + t_1;
}
return tmp;
}
[x, y, z, t, a, b] = sort([x, y, z, t, a, b]) [x, y, z, t, a, b] = sort([x, y, z, t, a, b]) def code(x, y, z, t, a, b): t_1 = (a * 27.0) * b t_2 = (y * 9.0) * z tmp = 0 if t_2 <= 1e+121: tmp = ((x * 2.0) - (t_2 * t)) + t_1 else: tmp = ((x * 2.0) - ((t * y) * (z * 9.0))) + t_1 return tmp
x, y, z, t, a, b = sort([x, y, z, t, a, b]) x, y, z, t, a, b = sort([x, y, z, t, a, b]) function code(x, y, z, t, a, b) t_1 = Float64(Float64(a * 27.0) * b) t_2 = Float64(Float64(y * 9.0) * z) tmp = 0.0 if (t_2 <= 1e+121) tmp = Float64(Float64(Float64(x * 2.0) - Float64(t_2 * t)) + t_1); else tmp = Float64(Float64(Float64(x * 2.0) - Float64(Float64(t * y) * Float64(z * 9.0))) + t_1); end return tmp end
x, y, z, t, a, b = num2cell(sort([x, y, z, t, a, b])){:}
x, y, z, t, a, b = num2cell(sort([x, y, z, t, a, b])){:}
function tmp_2 = code(x, y, z, t, a, b)
t_1 = (a * 27.0) * b;
t_2 = (y * 9.0) * z;
tmp = 0.0;
if (t_2 <= 1e+121)
tmp = ((x * 2.0) - (t_2 * t)) + t_1;
else
tmp = ((x * 2.0) - ((t * y) * (z * 9.0))) + t_1;
end
tmp_2 = tmp;
end
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function.
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(N[(a * 27.0), $MachinePrecision] * b), $MachinePrecision]}, Block[{t$95$2 = N[(N[(y * 9.0), $MachinePrecision] * z), $MachinePrecision]}, If[LessEqual[t$95$2, 1e+121], N[(N[(N[(x * 2.0), $MachinePrecision] - N[(t$95$2 * t), $MachinePrecision]), $MachinePrecision] + t$95$1), $MachinePrecision], N[(N[(N[(x * 2.0), $MachinePrecision] - N[(N[(t * y), $MachinePrecision] * N[(z * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + t$95$1), $MachinePrecision]]]]
\begin{array}{l}
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\\\
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\
\\
\begin{array}{l}
t_1 := \left(a \cdot 27\right) \cdot b\\
t_2 := \left(y \cdot 9\right) \cdot z\\
\mathbf{if}\;t\_2 \leq 10^{+121}:\\
\;\;\;\;\left(x \cdot 2 - t\_2 \cdot t\right) + t\_1\\
\mathbf{else}:\\
\;\;\;\;\left(x \cdot 2 - \left(t \cdot y\right) \cdot \left(z \cdot 9\right)\right) + t\_1\\
\end{array}
\end{array}
if (*.f64 (*.f64 y #s(literal 9 binary64)) z) < 1.00000000000000004e121Initial program 97.2%
if 1.00000000000000004e121 < (*.f64 (*.f64 y #s(literal 9 binary64)) z) Initial program 83.2%
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6491.3
Applied rewrites91.3%
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. (FPCore (x y z t a b) :precision binary64 (+ (- (* x 2.0) (* (* t y) (* z 9.0))) (* (* a 27.0) b)))
assert(x < y && y < z && z < t && t < a && a < b);
assert(x < y && y < z && z < t && t < a && a < b);
double code(double x, double y, double z, double t, double a, double b) {
return ((x * 2.0) - ((t * y) * (z * 9.0))) + ((a * 27.0) * b);
}
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function.
NOTE: x, y, z, t, a, and b 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, b)
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
code = ((x * 2.0d0) - ((t * y) * (z * 9.0d0))) + ((a * 27.0d0) * b)
end function
assert x < y && y < z && z < t && t < a && a < b;
assert x < y && y < z && z < t && t < a && a < b;
public static double code(double x, double y, double z, double t, double a, double b) {
return ((x * 2.0) - ((t * y) * (z * 9.0))) + ((a * 27.0) * b);
}
[x, y, z, t, a, b] = sort([x, y, z, t, a, b]) [x, y, z, t, a, b] = sort([x, y, z, t, a, b]) def code(x, y, z, t, a, b): return ((x * 2.0) - ((t * y) * (z * 9.0))) + ((a * 27.0) * b)
x, y, z, t, a, b = sort([x, y, z, t, a, b]) x, y, z, t, a, b = sort([x, y, z, t, a, b]) function code(x, y, z, t, a, b) return Float64(Float64(Float64(x * 2.0) - Float64(Float64(t * y) * Float64(z * 9.0))) + Float64(Float64(a * 27.0) * b)) end
x, y, z, t, a, b = num2cell(sort([x, y, z, t, a, b])){:}
x, y, z, t, a, b = num2cell(sort([x, y, z, t, a, b])){:}
function tmp = code(x, y, z, t, a, b)
tmp = ((x * 2.0) - ((t * y) * (z * 9.0))) + ((a * 27.0) * b);
end
NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. NOTE: x, y, z, t, a, and b should be sorted in increasing order before calling this function. code[x_, y_, z_, t_, a_, b_] := N[(N[(N[(x * 2.0), $MachinePrecision] - N[(N[(t * y), $MachinePrecision] * N[(z * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(a * 27.0), $MachinePrecision] * b), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\\\
[x, y, z, t, a, b] = \mathsf{sort}([x, y, z, t, a, b])\\
\\
\left(x \cdot 2 - \left(t \cdot y\right) \cdot \left(z \cdot 9\right)\right) + \left(a \cdot 27\right) \cdot b
\end{array}
Initial program 94.7%
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f6495.6
Applied rewrites95.6%
herbie shell --seed 2025057
(FPCore (x y z t a b)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, A"
:precision binary64
:alt
(! :herbie-platform default (if (< y 7590524218811189/100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (+ (- (* x 2) (* (* (* y 9) z) t)) (* a (* 27 b))) (+ (- (* x 2) (* 9 (* y (* t z)))) (* (* a 27) b))))
(+ (- (* x 2.0) (* (* (* y 9.0) z) t)) (* (* a 27.0) b)))