
(FPCore (x y z) :precision binary64 (/ (+ x y) (- 1.0 (/ y z))))
double code(double x, double y, double z) {
return (x + y) / (1.0 - (y / z));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x + y) / (1.0d0 - (y / z))
end function
public static double code(double x, double y, double z) {
return (x + y) / (1.0 - (y / z));
}
def code(x, y, z): return (x + y) / (1.0 - (y / z))
function code(x, y, z) return Float64(Float64(x + y) / Float64(1.0 - Float64(y / z))) end
function tmp = code(x, y, z) tmp = (x + y) / (1.0 - (y / z)); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] / N[(1.0 - N[(y / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x + y}{1 - \frac{y}{z}}
\end{array}
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (/ (+ x y) (- 1.0 (/ y z))))
double code(double x, double y, double z) {
return (x + y) / (1.0 - (y / z));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x + y) / (1.0d0 - (y / z))
end function
public static double code(double x, double y, double z) {
return (x + y) / (1.0 - (y / z));
}
def code(x, y, z): return (x + y) / (1.0 - (y / z))
function code(x, y, z) return Float64(Float64(x + y) / Float64(1.0 - Float64(y / z))) end
function tmp = code(x, y, z) tmp = (x + y) / (1.0 - (y / z)); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] / N[(1.0 - N[(y / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x + y}{1 - \frac{y}{z}}
\end{array}
(FPCore (x y z)
:precision binary64
(let* ((t_0 (/ (+ x y) (- 1.0 (/ y z)))))
(if (or (<= t_0 -5e-286) (not (<= t_0 0.0)))
(/ (+ x y) (/ (- z y) z))
(* (- z) (/ (+ y x) y)))))
double code(double x, double y, double z) {
double t_0 = (x + y) / (1.0 - (y / z));
double tmp;
if ((t_0 <= -5e-286) || !(t_0 <= 0.0)) {
tmp = (x + y) / ((z - y) / z);
} else {
tmp = -z * ((y + x) / y);
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = (x + y) / (1.0d0 - (y / z))
if ((t_0 <= (-5d-286)) .or. (.not. (t_0 <= 0.0d0))) then
tmp = (x + y) / ((z - y) / z)
else
tmp = -z * ((y + x) / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = (x + y) / (1.0 - (y / z));
double tmp;
if ((t_0 <= -5e-286) || !(t_0 <= 0.0)) {
tmp = (x + y) / ((z - y) / z);
} else {
tmp = -z * ((y + x) / y);
}
return tmp;
}
def code(x, y, z): t_0 = (x + y) / (1.0 - (y / z)) tmp = 0 if (t_0 <= -5e-286) or not (t_0 <= 0.0): tmp = (x + y) / ((z - y) / z) else: tmp = -z * ((y + x) / y) return tmp
function code(x, y, z) t_0 = Float64(Float64(x + y) / Float64(1.0 - Float64(y / z))) tmp = 0.0 if ((t_0 <= -5e-286) || !(t_0 <= 0.0)) tmp = Float64(Float64(x + y) / Float64(Float64(z - y) / z)); else tmp = Float64(Float64(-z) * Float64(Float64(y + x) / y)); end return tmp end
function tmp_2 = code(x, y, z) t_0 = (x + y) / (1.0 - (y / z)); tmp = 0.0; if ((t_0 <= -5e-286) || ~((t_0 <= 0.0))) tmp = (x + y) / ((z - y) / z); else tmp = -z * ((y + x) / y); end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(x + y), $MachinePrecision] / N[(1.0 - N[(y / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Or[LessEqual[t$95$0, -5e-286], N[Not[LessEqual[t$95$0, 0.0]], $MachinePrecision]], N[(N[(x + y), $MachinePrecision] / N[(N[(z - y), $MachinePrecision] / z), $MachinePrecision]), $MachinePrecision], N[((-z) * N[(N[(y + x), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x + y}{1 - \frac{y}{z}}\\
\mathbf{if}\;t\_0 \leq -5 \cdot 10^{-286} \lor \neg \left(t\_0 \leq 0\right):\\
\;\;\;\;\frac{x + y}{\frac{z - y}{z}}\\
\mathbf{else}:\\
\;\;\;\;\left(-z\right) \cdot \frac{y + x}{y}\\
\end{array}
\end{array}
if (/.f64 (+.f64 x y) (-.f64 #s(literal 1 binary64) (/.f64 y z))) < -5.00000000000000037e-286 or -0.0 < (/.f64 (+.f64 x y) (-.f64 #s(literal 1 binary64) (/.f64 y z))) Initial program 99.9%
Taylor expanded in z around 0
lower-/.f64N/A
lower--.f6499.8
Applied rewrites99.8%
if -5.00000000000000037e-286 < (/.f64 (+.f64 x y) (-.f64 #s(literal 1 binary64) (/.f64 y z))) < -0.0Initial program 9.0%
Taylor expanded in z around 0
mul-1-negN/A
lower-neg.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6497.2
Applied rewrites97.2%
lift-/.f64N/A
lift-+.f64N/A
lift-*.f64N/A
+-commutativeN/A
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f64N/A
+-commutativeN/A
lift-+.f6499.2
Applied rewrites99.2%
Final simplification99.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -6.2e-44) (not (<= y 1.7e+48))) (* (- z) (/ (+ y x) y)) (+ (fma y (/ y z) y) x)))
double code(double x, double y, double z) {
double tmp;
if ((y <= -6.2e-44) || !(y <= 1.7e+48)) {
tmp = -z * ((y + x) / y);
} else {
tmp = fma(y, (y / z), y) + x;
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if ((y <= -6.2e-44) || !(y <= 1.7e+48)) tmp = Float64(Float64(-z) * Float64(Float64(y + x) / y)); else tmp = Float64(fma(y, Float64(y / z), y) + x); end return tmp end
code[x_, y_, z_] := If[Or[LessEqual[y, -6.2e-44], N[Not[LessEqual[y, 1.7e+48]], $MachinePrecision]], N[((-z) * N[(N[(y + x), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], N[(N[(y * N[(y / z), $MachinePrecision] + y), $MachinePrecision] + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -6.2 \cdot 10^{-44} \lor \neg \left(y \leq 1.7 \cdot 10^{+48}\right):\\
\;\;\;\;\left(-z\right) \cdot \frac{y + x}{y}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, \frac{y}{z}, y\right) + x\\
\end{array}
\end{array}
if y < -6.19999999999999968e-44 or 1.7000000000000002e48 < y Initial program 77.0%
Taylor expanded in z around 0
mul-1-negN/A
lower-neg.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6462.6
Applied rewrites62.6%
lift-/.f64N/A
lift-+.f64N/A
lift-*.f64N/A
+-commutativeN/A
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f64N/A
+-commutativeN/A
lift-+.f6474.8
Applied rewrites74.8%
if -6.19999999999999968e-44 < y < 1.7000000000000002e48Initial program 99.6%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f64N/A
+-commutativeN/A
associate-/l*N/A
lower-fma.f64N/A
lower-/.f64N/A
+-commutativeN/A
lower-+.f6470.0
Applied rewrites70.0%
Taylor expanded in x around 0
lower-/.f6473.6
Applied rewrites73.6%
Final simplification74.2%
(FPCore (x y z) :precision binary64 (if (or (<= y -6.2e-44) (not (<= y 1.38e+104))) (- (fma x (/ z y) z)) (+ y x)))
double code(double x, double y, double z) {
double tmp;
if ((y <= -6.2e-44) || !(y <= 1.38e+104)) {
tmp = -fma(x, (z / y), z);
} else {
tmp = y + x;
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if ((y <= -6.2e-44) || !(y <= 1.38e+104)) tmp = Float64(-fma(x, Float64(z / y), z)); else tmp = Float64(y + x); end return tmp end
code[x_, y_, z_] := If[Or[LessEqual[y, -6.2e-44], N[Not[LessEqual[y, 1.38e+104]], $MachinePrecision]], (-N[(x * N[(z / y), $MachinePrecision] + z), $MachinePrecision]), N[(y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -6.2 \cdot 10^{-44} \lor \neg \left(y \leq 1.38 \cdot 10^{+104}\right):\\
\;\;\;\;-\mathsf{fma}\left(x, \frac{z}{y}, z\right)\\
\mathbf{else}:\\
\;\;\;\;y + x\\
\end{array}
\end{array}
if y < -6.19999999999999968e-44 or 1.38e104 < y Initial program 75.7%
Taylor expanded in z around 0
mul-1-negN/A
lower-neg.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6462.4
Applied rewrites62.4%
Taylor expanded in x around 0
+-commutativeN/A
associate-/l*N/A
lower-fma.f64N/A
lower-/.f6472.5
Applied rewrites72.5%
if -6.19999999999999968e-44 < y < 1.38e104Initial program 98.7%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6470.5
Applied rewrites70.5%
Final simplification71.4%
(FPCore (x y z) :precision binary64 (if (<= y -1.45e+52) (- z) (if (<= y -6.3e-44) (* (- z) (/ x y)) (if (<= y 1.9e+110) (+ y x) (- z)))))
double code(double x, double y, double z) {
double tmp;
if (y <= -1.45e+52) {
tmp = -z;
} else if (y <= -6.3e-44) {
tmp = -z * (x / y);
} else if (y <= 1.9e+110) {
tmp = y + x;
} else {
tmp = -z;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (y <= (-1.45d+52)) then
tmp = -z
else if (y <= (-6.3d-44)) then
tmp = -z * (x / y)
else if (y <= 1.9d+110) then
tmp = y + x
else
tmp = -z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -1.45e+52) {
tmp = -z;
} else if (y <= -6.3e-44) {
tmp = -z * (x / y);
} else if (y <= 1.9e+110) {
tmp = y + x;
} else {
tmp = -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -1.45e+52: tmp = -z elif y <= -6.3e-44: tmp = -z * (x / y) elif y <= 1.9e+110: tmp = y + x else: tmp = -z return tmp
function code(x, y, z) tmp = 0.0 if (y <= -1.45e+52) tmp = Float64(-z); elseif (y <= -6.3e-44) tmp = Float64(Float64(-z) * Float64(x / y)); elseif (y <= 1.9e+110) tmp = Float64(y + x); else tmp = Float64(-z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -1.45e+52) tmp = -z; elseif (y <= -6.3e-44) tmp = -z * (x / y); elseif (y <= 1.9e+110) tmp = y + x; else tmp = -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -1.45e+52], (-z), If[LessEqual[y, -6.3e-44], N[((-z) * N[(x / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 1.9e+110], N[(y + x), $MachinePrecision], (-z)]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.45 \cdot 10^{+52}:\\
\;\;\;\;-z\\
\mathbf{elif}\;y \leq -6.3 \cdot 10^{-44}:\\
\;\;\;\;\left(-z\right) \cdot \frac{x}{y}\\
\mathbf{elif}\;y \leq 1.9 \cdot 10^{+110}:\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if y < -1.45e52 or 1.89999999999999994e110 < y Initial program 71.0%
Taylor expanded in y around inf
mul-1-negN/A
lower-neg.f6467.0
Applied rewrites67.0%
if -1.45e52 < y < -6.2999999999999998e-44Initial program 98.0%
Taylor expanded in z around 0
mul-1-negN/A
lower-neg.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6454.3
Applied rewrites54.3%
lift-/.f64N/A
lift-+.f64N/A
lift-*.f64N/A
+-commutativeN/A
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f64N/A
+-commutativeN/A
lift-+.f6453.8
Applied rewrites53.8%
Taylor expanded in x around inf
Applied rewrites28.9%
if -6.2999999999999998e-44 < y < 1.89999999999999994e110Initial program 98.5%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6470.2
Applied rewrites70.2%
Final simplification65.9%
(FPCore (x y z) :precision binary64 (if (<= y -5.4e+41) (- z) (if (<= y -6.3e-44) (- (* x (/ z y))) (if (<= y 1.9e+110) (+ y x) (- z)))))
double code(double x, double y, double z) {
double tmp;
if (y <= -5.4e+41) {
tmp = -z;
} else if (y <= -6.3e-44) {
tmp = -(x * (z / y));
} else if (y <= 1.9e+110) {
tmp = y + x;
} else {
tmp = -z;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (y <= (-5.4d+41)) then
tmp = -z
else if (y <= (-6.3d-44)) then
tmp = -(x * (z / y))
else if (y <= 1.9d+110) then
tmp = y + x
else
tmp = -z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -5.4e+41) {
tmp = -z;
} else if (y <= -6.3e-44) {
tmp = -(x * (z / y));
} else if (y <= 1.9e+110) {
tmp = y + x;
} else {
tmp = -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -5.4e+41: tmp = -z elif y <= -6.3e-44: tmp = -(x * (z / y)) elif y <= 1.9e+110: tmp = y + x else: tmp = -z return tmp
function code(x, y, z) tmp = 0.0 if (y <= -5.4e+41) tmp = Float64(-z); elseif (y <= -6.3e-44) tmp = Float64(-Float64(x * Float64(z / y))); elseif (y <= 1.9e+110) tmp = Float64(y + x); else tmp = Float64(-z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -5.4e+41) tmp = -z; elseif (y <= -6.3e-44) tmp = -(x * (z / y)); elseif (y <= 1.9e+110) tmp = y + x; else tmp = -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -5.4e+41], (-z), If[LessEqual[y, -6.3e-44], (-N[(x * N[(z / y), $MachinePrecision]), $MachinePrecision]), If[LessEqual[y, 1.9e+110], N[(y + x), $MachinePrecision], (-z)]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -5.4 \cdot 10^{+41}:\\
\;\;\;\;-z\\
\mathbf{elif}\;y \leq -6.3 \cdot 10^{-44}:\\
\;\;\;\;-x \cdot \frac{z}{y}\\
\mathbf{elif}\;y \leq 1.9 \cdot 10^{+110}:\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if y < -5.39999999999999999e41 or 1.89999999999999994e110 < y Initial program 71.7%
Taylor expanded in y around inf
mul-1-negN/A
lower-neg.f6466.1
Applied rewrites66.1%
if -5.39999999999999999e41 < y < -6.2999999999999998e-44Initial program 98.5%
Taylor expanded in z around 0
mul-1-negN/A
lower-neg.f64N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6455.0
Applied rewrites55.0%
lift-/.f64N/A
lift-+.f64N/A
lift-*.f64N/A
associate-/l*N/A
+-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lift-+.f64N/A
lower-/.f6454.4
Applied rewrites54.4%
Taylor expanded in x around 0
Applied rewrites27.1%
Taylor expanded in x around inf
associate-/l*N/A
lower-*.f64N/A
lift-/.f6430.7
Applied rewrites30.7%
if -6.2999999999999998e-44 < y < 1.89999999999999994e110Initial program 98.5%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6470.2
Applied rewrites70.2%
(FPCore (x y z) :precision binary64 (if (or (<= y -4.7e+54) (not (<= y 1.9e+110))) (- z) (+ y x)))
double code(double x, double y, double z) {
double tmp;
if ((y <= -4.7e+54) || !(y <= 1.9e+110)) {
tmp = -z;
} else {
tmp = y + x;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-4.7d+54)) .or. (.not. (y <= 1.9d+110))) then
tmp = -z
else
tmp = y + x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -4.7e+54) || !(y <= 1.9e+110)) {
tmp = -z;
} else {
tmp = y + x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -4.7e+54) or not (y <= 1.9e+110): tmp = -z else: tmp = y + x return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -4.7e+54) || !(y <= 1.9e+110)) tmp = Float64(-z); else tmp = Float64(y + x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -4.7e+54) || ~((y <= 1.9e+110))) tmp = -z; else tmp = y + x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -4.7e+54], N[Not[LessEqual[y, 1.9e+110]], $MachinePrecision]], (-z), N[(y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.7 \cdot 10^{+54} \lor \neg \left(y \leq 1.9 \cdot 10^{+110}\right):\\
\;\;\;\;-z\\
\mathbf{else}:\\
\;\;\;\;y + x\\
\end{array}
\end{array}
if y < -4.69999999999999993e54 or 1.89999999999999994e110 < y Initial program 70.9%
Taylor expanded in y around inf
mul-1-negN/A
lower-neg.f6467.1
Applied rewrites67.1%
if -4.69999999999999993e54 < y < 1.89999999999999994e110Initial program 98.5%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6467.3
Applied rewrites67.3%
Final simplification67.3%
(FPCore (x y z) :precision binary64 (if (or (<= y -5e+41) (not (<= y 1.7e+48))) (- z) x))
double code(double x, double y, double z) {
double tmp;
if ((y <= -5e+41) || !(y <= 1.7e+48)) {
tmp = -z;
} else {
tmp = x;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-5d+41)) .or. (.not. (y <= 1.7d+48))) then
tmp = -z
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -5e+41) || !(y <= 1.7e+48)) {
tmp = -z;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -5e+41) or not (y <= 1.7e+48): tmp = -z else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -5e+41) || !(y <= 1.7e+48)) tmp = Float64(-z); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -5e+41) || ~((y <= 1.7e+48))) tmp = -z; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -5e+41], N[Not[LessEqual[y, 1.7e+48]], $MachinePrecision]], (-z), x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -5 \cdot 10^{+41} \lor \neg \left(y \leq 1.7 \cdot 10^{+48}\right):\\
\;\;\;\;-z\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if y < -5.00000000000000022e41 or 1.7000000000000002e48 < y Initial program 73.7%
Taylor expanded in y around inf
mul-1-negN/A
lower-neg.f6463.1
Applied rewrites63.1%
if -5.00000000000000022e41 < y < 1.7000000000000002e48Initial program 99.5%
Taylor expanded in y around 0
Applied rewrites53.5%
Final simplification57.6%
(FPCore (x y z) :precision binary64 (if (<= x -2.65e-185) x (if (<= x 2.35e-98) y x)))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.65e-185) {
tmp = x;
} else if (x <= 2.35e-98) {
tmp = y;
} else {
tmp = x;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (x <= (-2.65d-185)) then
tmp = x
else if (x <= 2.35d-98) then
tmp = y
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -2.65e-185) {
tmp = x;
} else if (x <= 2.35e-98) {
tmp = y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.65e-185: tmp = x elif x <= 2.35e-98: tmp = y else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.65e-185) tmp = x; elseif (x <= 2.35e-98) tmp = y; else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -2.65e-185) tmp = x; elseif (x <= 2.35e-98) tmp = y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.65e-185], x, If[LessEqual[x, 2.35e-98], y, x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.65 \cdot 10^{-185}:\\
\;\;\;\;x\\
\mathbf{elif}\;x \leq 2.35 \cdot 10^{-98}:\\
\;\;\;\;y\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if x < -2.64999999999999987e-185 or 2.35000000000000003e-98 < x Initial program 88.6%
Taylor expanded in y around 0
Applied rewrites41.4%
if -2.64999999999999987e-185 < x < 2.35000000000000003e-98Initial program 88.4%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6452.1
Applied rewrites52.1%
Taylor expanded in x around 0
Applied rewrites38.6%
(FPCore (x y z) :precision binary64 x)
double code(double x, double y, double z) {
return x;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x
end function
public static double code(double x, double y, double z) {
return x;
}
def code(x, y, z): return x
function code(x, y, z) return x end
function tmp = code(x, y, z) tmp = x; end
code[x_, y_, z_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 88.5%
Taylor expanded in y around 0
Applied rewrites34.6%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* (/ (+ y x) (- y)) z)))
(if (< y -3.7429310762689856e+171)
t_0
(if (< y 3.5534662456086734e+168) (/ (+ x y) (- 1.0 (/ y z))) t_0))))
double code(double x, double y, double z) {
double t_0 = ((y + x) / -y) * z;
double tmp;
if (y < -3.7429310762689856e+171) {
tmp = t_0;
} else if (y < 3.5534662456086734e+168) {
tmp = (x + y) / (1.0 - (y / z));
} else {
tmp = t_0;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = ((y + x) / -y) * z
if (y < (-3.7429310762689856d+171)) then
tmp = t_0
else if (y < 3.5534662456086734d+168) then
tmp = (x + y) / (1.0d0 - (y / z))
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = ((y + x) / -y) * z;
double tmp;
if (y < -3.7429310762689856e+171) {
tmp = t_0;
} else if (y < 3.5534662456086734e+168) {
tmp = (x + y) / (1.0 - (y / z));
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = ((y + x) / -y) * z tmp = 0 if y < -3.7429310762689856e+171: tmp = t_0 elif y < 3.5534662456086734e+168: tmp = (x + y) / (1.0 - (y / z)) else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(Float64(Float64(y + x) / Float64(-y)) * z) tmp = 0.0 if (y < -3.7429310762689856e+171) tmp = t_0; elseif (y < 3.5534662456086734e+168) tmp = Float64(Float64(x + y) / Float64(1.0 - Float64(y / z))); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = ((y + x) / -y) * z; tmp = 0.0; if (y < -3.7429310762689856e+171) tmp = t_0; elseif (y < 3.5534662456086734e+168) tmp = (x + y) / (1.0 - (y / z)); else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(N[(y + x), $MachinePrecision] / (-y)), $MachinePrecision] * z), $MachinePrecision]}, If[Less[y, -3.7429310762689856e+171], t$95$0, If[Less[y, 3.5534662456086734e+168], N[(N[(x + y), $MachinePrecision] / N[(1.0 - N[(y / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{y + x}{-y} \cdot z\\
\mathbf{if}\;y < -3.7429310762689856 \cdot 10^{+171}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y < 3.5534662456086734 \cdot 10^{+168}:\\
\;\;\;\;\frac{x + y}{1 - \frac{y}{z}}\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
herbie shell --seed 2025086
(FPCore (x y z)
:name "Graphics.Rendering.Chart.Backend.Diagrams:calcFontMetrics from Chart-diagrams-1.5.1, A"
:precision binary64
:alt
(! :herbie-platform default (if (< y -3742931076268985600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (* (/ (+ y x) (- y)) z) (if (< y 3553466245608673400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (/ (+ x y) (- 1 (/ y z))) (* (/ (+ y x) (- y)) z))))
(/ (+ x y) (- 1.0 (/ y z))))