
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- z a))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (z - a));
}
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 - t)) / (z - a))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (z - a));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (z - a))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(z - a))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (z - a)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{z - a}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- z a))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (z - a));
}
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 - t)) / (z - a))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (z - a));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (z - a))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(z - a))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (z - a)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{z - a}
\end{array}
(FPCore (x y z t a) :precision binary64 (fma (/ (- z t) (- z a)) y x))
double code(double x, double y, double z, double t, double a) {
return fma(((z - t) / (z - a)), y, x);
}
function code(x, y, z, t, a) return fma(Float64(Float64(z - t) / Float64(z - a)), y, x) end
code[x_, y_, z_, t_, a_] := N[(N[(N[(z - t), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z - t}{z - a}, y, x\right)
\end{array}
Initial program 86.7%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6498.1
Applied rewrites98.1%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ (* y (- z t)) (- z a))))
(if (or (<= t_1 -4e+209) (not (<= t_1 1e+118)))
(* (- z t) (/ y (- z a)))
(fma (/ z (- z a)) y x))))
double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / (z - a);
double tmp;
if ((t_1 <= -4e+209) || !(t_1 <= 1e+118)) {
tmp = (z - t) * (y / (z - a));
} else {
tmp = fma((z / (z - a)), y, x);
}
return tmp;
}
function code(x, y, z, t, a) t_1 = Float64(Float64(y * Float64(z - t)) / Float64(z - a)) tmp = 0.0 if ((t_1 <= -4e+209) || !(t_1 <= 1e+118)) tmp = Float64(Float64(z - t) * Float64(y / Float64(z - a))); else tmp = fma(Float64(z / Float64(z - a)), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]}, If[Or[LessEqual[t$95$1, -4e+209], N[Not[LessEqual[t$95$1, 1e+118]], $MachinePrecision]], N[(N[(z - t), $MachinePrecision] * N[(y / N[(z - a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(z / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot \left(z - t\right)}{z - a}\\
\mathbf{if}\;t\_1 \leq -4 \cdot 10^{+209} \lor \neg \left(t\_1 \leq 10^{+118}\right):\\
\;\;\;\;\left(z - t\right) \cdot \frac{y}{z - a}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{z - a}, y, x\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < -4.0000000000000003e209 or 9.99999999999999967e117 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) Initial program 60.1%
Taylor expanded in x around 0
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower--.f64N/A
lower-/.f64N/A
lower--.f6486.4
Applied rewrites86.4%
if -4.0000000000000003e209 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < 9.99999999999999967e117Initial program 99.9%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6489.2
Applied rewrites89.2%
Final simplification88.3%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (/ (* y (- z t)) (- z a)))) (if (or (<= t_1 -5e-112) (not (<= t_1 1e-140))) (+ x y) x)))
double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / (z - a);
double tmp;
if ((t_1 <= -5e-112) || !(t_1 <= 1e-140)) {
tmp = x + 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, 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 = (y * (z - t)) / (z - a)
if ((t_1 <= (-5d-112)) .or. (.not. (t_1 <= 1d-140))) then
tmp = x + y
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / (z - a);
double tmp;
if ((t_1 <= -5e-112) || !(t_1 <= 1e-140)) {
tmp = x + y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t, a): t_1 = (y * (z - t)) / (z - a) tmp = 0 if (t_1 <= -5e-112) or not (t_1 <= 1e-140): tmp = x + y else: tmp = x return tmp
function code(x, y, z, t, a) t_1 = Float64(Float64(y * Float64(z - t)) / Float64(z - a)) tmp = 0.0 if ((t_1 <= -5e-112) || !(t_1 <= 1e-140)) tmp = Float64(x + y); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t, a) t_1 = (y * (z - t)) / (z - a); tmp = 0.0; if ((t_1 <= -5e-112) || ~((t_1 <= 1e-140))) tmp = x + y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]}, If[Or[LessEqual[t$95$1, -5e-112], N[Not[LessEqual[t$95$1, 1e-140]], $MachinePrecision]], N[(x + y), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot \left(z - t\right)}{z - a}\\
\mathbf{if}\;t\_1 \leq -5 \cdot 10^{-112} \lor \neg \left(t\_1 \leq 10^{-140}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < -5.00000000000000044e-112 or 9.9999999999999998e-141 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) Initial program 80.8%
Taylor expanded in z around inf
Applied rewrites58.9%
if -5.00000000000000044e-112 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < 9.9999999999999998e-141Initial program 99.9%
Taylor expanded in x around inf
Applied rewrites88.6%
Final simplification68.1%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (/ (* y (- z t)) (- z a)))) (if (<= t_1 -4e+209) y (if (<= t_1 4e+167) x y))))
double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / (z - a);
double tmp;
if (t_1 <= -4e+209) {
tmp = y;
} else if (t_1 <= 4e+167) {
tmp = x;
} else {
tmp = 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, 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 = (y * (z - t)) / (z - a)
if (t_1 <= (-4d+209)) then
tmp = y
else if (t_1 <= 4d+167) then
tmp = x
else
tmp = y
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / (z - a);
double tmp;
if (t_1 <= -4e+209) {
tmp = y;
} else if (t_1 <= 4e+167) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z, t, a): t_1 = (y * (z - t)) / (z - a) tmp = 0 if t_1 <= -4e+209: tmp = y elif t_1 <= 4e+167: tmp = x else: tmp = y return tmp
function code(x, y, z, t, a) t_1 = Float64(Float64(y * Float64(z - t)) / Float64(z - a)) tmp = 0.0 if (t_1 <= -4e+209) tmp = y; elseif (t_1 <= 4e+167) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z, t, a) t_1 = (y * (z - t)) / (z - a); tmp = 0.0; if (t_1 <= -4e+209) tmp = y; elseif (t_1 <= 4e+167) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -4e+209], y, If[LessEqual[t$95$1, 4e+167], x, y]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot \left(z - t\right)}{z - a}\\
\mathbf{if}\;t\_1 \leq -4 \cdot 10^{+209}:\\
\;\;\;\;y\\
\mathbf{elif}\;t\_1 \leq 4 \cdot 10^{+167}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < -4.0000000000000003e209 or 4.0000000000000002e167 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) Initial program 58.2%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6496.4
Applied rewrites96.4%
Taylor expanded in x around 0
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower--.f64N/A
lower-/.f64N/A
lower--.f6486.9
Applied rewrites86.9%
Taylor expanded in z around inf
Applied rewrites35.0%
if -4.0000000000000003e209 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < 4.0000000000000002e167Initial program 99.9%
Taylor expanded in x around inf
Applied rewrites72.2%
Final simplification60.5%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -1.02e-53) (not (<= z 2.25e-95))) (fma (/ z (- z a)) y x) (fma (/ t a) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -1.02e-53) || !(z <= 2.25e-95)) {
tmp = fma((z / (z - a)), y, x);
} else {
tmp = fma((t / a), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -1.02e-53) || !(z <= 2.25e-95)) tmp = fma(Float64(z / Float64(z - a)), y, x); else tmp = fma(Float64(t / a), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -1.02e-53], N[Not[LessEqual[z, 2.25e-95]], $MachinePrecision]], N[(N[(z / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision], N[(N[(t / a), $MachinePrecision] * y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.02 \cdot 10^{-53} \lor \neg \left(z \leq 2.25 \cdot 10^{-95}\right):\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{z - a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{t}{a}, y, x\right)\\
\end{array}
\end{array}
if z < -1.02000000000000002e-53 or 2.25e-95 < z Initial program 82.6%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6486.0
Applied rewrites86.0%
if -1.02000000000000002e-53 < z < 2.25e-95Initial program 94.5%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6494.6
Applied rewrites94.6%
Taylor expanded in z around 0
lower-/.f6480.6
Applied rewrites80.6%
Final simplification84.1%
(FPCore (x y z t a) :precision binary64 (if (<= z -1.02e-53) (fma (/ z (- z a)) y x) (if (<= z 310.0) (fma (/ t a) y x) (fma (/ (- z t) z) y x))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (z <= -1.02e-53) {
tmp = fma((z / (z - a)), y, x);
} else if (z <= 310.0) {
tmp = fma((t / a), y, x);
} else {
tmp = fma(((z - t) / z), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if (z <= -1.02e-53) tmp = fma(Float64(z / Float64(z - a)), y, x); elseif (z <= 310.0) tmp = fma(Float64(t / a), y, x); else tmp = fma(Float64(Float64(z - t) / z), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[LessEqual[z, -1.02e-53], N[(N[(z / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision], If[LessEqual[z, 310.0], N[(N[(t / a), $MachinePrecision] * y + x), $MachinePrecision], N[(N[(N[(z - t), $MachinePrecision] / z), $MachinePrecision] * y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.02 \cdot 10^{-53}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{z - a}, y, x\right)\\
\mathbf{elif}\;z \leq 310:\\
\;\;\;\;\mathsf{fma}\left(\frac{t}{a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z - t}{z}, y, x\right)\\
\end{array}
\end{array}
if z < -1.02000000000000002e-53Initial program 81.5%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6490.5
Applied rewrites90.5%
if -1.02000000000000002e-53 < z < 310Initial program 94.5%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6495.5
Applied rewrites95.5%
Taylor expanded in z around 0
lower-/.f6478.0
Applied rewrites78.0%
if 310 < z Initial program 80.8%
Taylor expanded in a around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6489.6
Applied rewrites89.6%
Final simplification85.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -3.5e-48) (not (<= z 55000000.0))) (+ x y) (fma (/ t a) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -3.5e-48) || !(z <= 55000000.0)) {
tmp = x + y;
} else {
tmp = fma((t / a), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -3.5e-48) || !(z <= 55000000.0)) tmp = Float64(x + y); else tmp = fma(Float64(t / a), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -3.5e-48], N[Not[LessEqual[z, 55000000.0]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(N[(t / a), $MachinePrecision] * y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -3.5 \cdot 10^{-48} \lor \neg \left(z \leq 55000000\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{t}{a}, y, x\right)\\
\end{array}
\end{array}
if z < -3.49999999999999991e-48 or 5.5e7 < z Initial program 80.7%
Taylor expanded in z around inf
Applied rewrites79.9%
if -3.49999999999999991e-48 < z < 5.5e7Initial program 94.7%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6495.6
Applied rewrites95.6%
Taylor expanded in z around 0
lower-/.f6477.9
Applied rewrites77.9%
Final simplification79.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -3.5e-48) (not (<= z 16000000.0))) (+ x y) (fma (/ y a) t x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -3.5e-48) || !(z <= 16000000.0)) {
tmp = x + y;
} else {
tmp = fma((y / a), t, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -3.5e-48) || !(z <= 16000000.0)) tmp = Float64(x + y); else tmp = fma(Float64(y / a), t, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -3.5e-48], N[Not[LessEqual[z, 16000000.0]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -3.5 \cdot 10^{-48} \lor \neg \left(z \leq 16000000\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\end{array}
\end{array}
if z < -3.49999999999999991e-48 or 1.6e7 < z Initial program 80.7%
Taylor expanded in z around inf
Applied rewrites79.9%
if -3.49999999999999991e-48 < z < 1.6e7Initial program 94.7%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6475.9
Applied rewrites75.9%
Final simplification78.2%
(FPCore (x y z t a) :precision binary64 x)
double code(double x, double y, double z, double t, double a) {
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, 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
end function
public static double code(double x, double y, double z, double t, double a) {
return x;
}
def code(x, y, z, t, a): return x
function code(x, y, z, t, a) return x end
function tmp = code(x, y, z, t, a) tmp = x; end
code[x_, y_, z_, t_, a_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 86.7%
Taylor expanded in x around inf
Applied rewrites52.0%
Final simplification52.0%
(FPCore (x y z t a) :precision binary64 (+ x (/ y (/ (- z a) (- z t)))))
double code(double x, double y, double z, double t, double a) {
return x + (y / ((z - a) / (z - t)));
}
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 - a) / (z - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + (y / ((z - a) / (z - t)));
}
def code(x, y, z, t, a): return x + (y / ((z - a) / (z - t)))
function code(x, y, z, t, a) return Float64(x + Float64(y / Float64(Float64(z - a) / Float64(z - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + (y / ((z - a) / (z - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(y / N[(N[(z - a), $MachinePrecision] / N[(z - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y}{\frac{z - a}{z - t}}
\end{array}
herbie shell --seed 2025026
(FPCore (x y z t a)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisTicks from plot-0.2.3.4, A"
:precision binary64
:alt
(! :herbie-platform default (+ x (/ y (/ (- z a) (- z t)))))
(+ x (/ (* y (- z t)) (- z a))))