
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- a t))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - 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 - t)) / (a - t))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (a - t))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(a - t))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (a - t)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{a - t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- a t))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - 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 - t)) / (a - t))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (a - t))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(a - t))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (a - t)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{a - t}
\end{array}
(FPCore (x y z t a) :precision binary64 (fma (/ (- z t) (- a t)) y x))
double code(double x, double y, double z, double t, double a) {
return fma(((z - t) / (a - t)), y, x);
}
function code(x, y, z, t, a) return fma(Float64(Float64(z - t) / Float64(a - t)), y, x) end
code[x_, y_, z_, t_, a_] := N[(N[(N[(z - t), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z - t}{a - t}, y, x\right)
\end{array}
Initial program 84.3%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6498.8
Applied rewrites98.8%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ (* y (- z t)) (- a t))))
(if (or (<= t_1 -1.5e+201) (not (<= t_1 1e+155)))
(* (- z t) (/ y (- a t)))
(- x (* y (/ t (- a t)))))))
double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / (a - t);
double tmp;
if ((t_1 <= -1.5e+201) || !(t_1 <= 1e+155)) {
tmp = (z - t) * (y / (a - t));
} else {
tmp = x - (y * (t / (a - t)));
}
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)) / (a - t)
if ((t_1 <= (-1.5d+201)) .or. (.not. (t_1 <= 1d+155))) then
tmp = (z - t) * (y / (a - t))
else
tmp = x - (y * (t / (a - t)))
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)) / (a - t);
double tmp;
if ((t_1 <= -1.5e+201) || !(t_1 <= 1e+155)) {
tmp = (z - t) * (y / (a - t));
} else {
tmp = x - (y * (t / (a - t)));
}
return tmp;
}
def code(x, y, z, t, a): t_1 = (y * (z - t)) / (a - t) tmp = 0 if (t_1 <= -1.5e+201) or not (t_1 <= 1e+155): tmp = (z - t) * (y / (a - t)) else: tmp = x - (y * (t / (a - t))) return tmp
function code(x, y, z, t, a) t_1 = Float64(Float64(y * Float64(z - t)) / Float64(a - t)) tmp = 0.0 if ((t_1 <= -1.5e+201) || !(t_1 <= 1e+155)) tmp = Float64(Float64(z - t) * Float64(y / Float64(a - t))); else tmp = Float64(x - Float64(y * Float64(t / Float64(a - t)))); end return tmp end
function tmp_2 = code(x, y, z, t, a) t_1 = (y * (z - t)) / (a - t); tmp = 0.0; if ((t_1 <= -1.5e+201) || ~((t_1 <= 1e+155))) tmp = (z - t) * (y / (a - t)); else tmp = x - (y * (t / (a - t))); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]}, If[Or[LessEqual[t$95$1, -1.5e+201], N[Not[LessEqual[t$95$1, 1e+155]], $MachinePrecision]], N[(N[(z - t), $MachinePrecision] * N[(y / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x - N[(y * N[(t / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot \left(z - t\right)}{a - t}\\
\mathbf{if}\;t\_1 \leq -1.5 \cdot 10^{+201} \lor \neg \left(t\_1 \leq 10^{+155}\right):\\
\;\;\;\;\left(z - t\right) \cdot \frac{y}{a - t}\\
\mathbf{else}:\\
\;\;\;\;x - y \cdot \frac{t}{a - t}\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) < -1.50000000000000012e201 or 1.00000000000000001e155 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) Initial program 53.1%
Taylor expanded in x around 0
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower--.f64N/A
lower-/.f64N/A
lower--.f6489.9
Applied rewrites89.9%
if -1.50000000000000012e201 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) < 1.00000000000000001e155Initial program 99.5%
Taylor expanded in z around 0
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f64N/A
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6489.2
Applied rewrites89.2%
Final simplification89.4%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -1.05e-43) (not (<= t 7.2e-46))) (- x (* y (/ t (- a t)))) (+ x (/ (* z y) (- a t)))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -1.05e-43) || !(t <= 7.2e-46)) {
tmp = x - (y * (t / (a - t)));
} else {
tmp = x + ((z * y) / (a - t));
}
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 ((t <= (-1.05d-43)) .or. (.not. (t <= 7.2d-46))) then
tmp = x - (y * (t / (a - t)))
else
tmp = x + ((z * y) / (a - t))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -1.05e-43) || !(t <= 7.2e-46)) {
tmp = x - (y * (t / (a - t)));
} else {
tmp = x + ((z * y) / (a - t));
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if (t <= -1.05e-43) or not (t <= 7.2e-46): tmp = x - (y * (t / (a - t))) else: tmp = x + ((z * y) / (a - t)) return tmp
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -1.05e-43) || !(t <= 7.2e-46)) tmp = Float64(x - Float64(y * Float64(t / Float64(a - t)))); else tmp = Float64(x + Float64(Float64(z * y) / Float64(a - t))); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if ((t <= -1.05e-43) || ~((t <= 7.2e-46))) tmp = x - (y * (t / (a - t))); else tmp = x + ((z * y) / (a - t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -1.05e-43], N[Not[LessEqual[t, 7.2e-46]], $MachinePrecision]], N[(x - N[(y * N[(t / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(z * y), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.05 \cdot 10^{-43} \lor \neg \left(t \leq 7.2 \cdot 10^{-46}\right):\\
\;\;\;\;x - y \cdot \frac{t}{a - t}\\
\mathbf{else}:\\
\;\;\;\;x + \frac{z \cdot y}{a - t}\\
\end{array}
\end{array}
if t < -1.05e-43 or 7.2e-46 < t Initial program 73.1%
Taylor expanded in z around 0
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f64N/A
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6488.5
Applied rewrites88.5%
if -1.05e-43 < t < 7.2e-46Initial program 96.9%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f6493.0
Applied rewrites93.0%
Final simplification90.6%
(FPCore (x y z t a) :precision binary64 (if (<= t -1.05e-43) (- x (* y (/ t (- a t)))) (if (<= t 2.5e-16) (+ x (/ (* z y) (- a t))) (fma (/ (- z t) (- t)) y x))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (t <= -1.05e-43) {
tmp = x - (y * (t / (a - t)));
} else if (t <= 2.5e-16) {
tmp = x + ((z * y) / (a - t));
} else {
tmp = fma(((z - t) / -t), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if (t <= -1.05e-43) tmp = Float64(x - Float64(y * Float64(t / Float64(a - t)))); elseif (t <= 2.5e-16) tmp = Float64(x + Float64(Float64(z * y) / Float64(a - t))); else tmp = fma(Float64(Float64(z - t) / Float64(-t)), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[LessEqual[t, -1.05e-43], N[(x - N[(y * N[(t / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2.5e-16], N[(x + N[(N[(z * y), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(z - t), $MachinePrecision] / (-t)), $MachinePrecision] * y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.05 \cdot 10^{-43}:\\
\;\;\;\;x - y \cdot \frac{t}{a - t}\\
\mathbf{elif}\;t \leq 2.5 \cdot 10^{-16}:\\
\;\;\;\;x + \frac{z \cdot y}{a - t}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z - t}{-t}, y, x\right)\\
\end{array}
\end{array}
if t < -1.05e-43Initial program 75.2%
Taylor expanded in z around 0
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f64N/A
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6490.9
Applied rewrites90.9%
if -1.05e-43 < t < 2.5000000000000002e-16Initial program 97.0%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f6492.4
Applied rewrites92.4%
if 2.5000000000000002e-16 < t Initial program 70.2%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64100.0
Applied rewrites100.0%
Taylor expanded in a around 0
mul-1-negN/A
distribute-neg-frac2N/A
mul-1-negN/A
lower-/.f64N/A
lower--.f64N/A
mul-1-negN/A
lower-neg.f6489.0
Applied rewrites89.0%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -1.65e+66) (not (<= t 2.1e+33))) (+ y x) (fma (- z t) (/ y a) x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -1.65e+66) || !(t <= 2.1e+33)) {
tmp = y + x;
} else {
tmp = fma((z - t), (y / a), x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -1.65e+66) || !(t <= 2.1e+33)) tmp = Float64(y + x); else tmp = fma(Float64(z - t), Float64(y / a), x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -1.65e+66], N[Not[LessEqual[t, 2.1e+33]], $MachinePrecision]], N[(y + x), $MachinePrecision], N[(N[(z - t), $MachinePrecision] * N[(y / a), $MachinePrecision] + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.65 \cdot 10^{+66} \lor \neg \left(t \leq 2.1 \cdot 10^{+33}\right):\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(z - t, \frac{y}{a}, x\right)\\
\end{array}
\end{array}
if t < -1.6500000000000001e66 or 2.1000000000000001e33 < t Initial program 65.1%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6484.3
Applied rewrites84.3%
if -1.6500000000000001e66 < t < 2.1000000000000001e33Initial program 97.0%
Taylor expanded in a around inf
+-commutativeN/A
*-commutativeN/A
associate-/l*N/A
lower-fma.f64N/A
lower--.f64N/A
lower-/.f6482.2
Applied rewrites82.2%
Final simplification83.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -1.65e+66) (not (<= t 1.06e-88))) (+ y x) (fma (/ z a) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -1.65e+66) || !(t <= 1.06e-88)) {
tmp = y + x;
} else {
tmp = fma((z / a), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -1.65e+66) || !(t <= 1.06e-88)) tmp = Float64(y + x); else tmp = fma(Float64(z / a), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -1.65e+66], N[Not[LessEqual[t, 1.06e-88]], $MachinePrecision]], N[(y + x), $MachinePrecision], N[(N[(z / a), $MachinePrecision] * y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.65 \cdot 10^{+66} \lor \neg \left(t \leq 1.06 \cdot 10^{-88}\right):\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a}, y, x\right)\\
\end{array}
\end{array}
if t < -1.6500000000000001e66 or 1.06e-88 < t Initial program 70.9%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6480.1
Applied rewrites80.1%
if -1.6500000000000001e66 < t < 1.06e-88Initial program 97.0%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6481.0
Applied rewrites81.0%
Final simplification80.6%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -7.2e-45) (not (<= t 1.08e-41))) (+ y x) (* (- x) -1.0)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -7.2e-45) || !(t <= 1.08e-41)) {
tmp = y + x;
} else {
tmp = -x * -1.0;
}
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, 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 ((t <= (-7.2d-45)) .or. (.not. (t <= 1.08d-41))) then
tmp = y + x
else
tmp = -x * (-1.0d0)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -7.2e-45) || !(t <= 1.08e-41)) {
tmp = y + x;
} else {
tmp = -x * -1.0;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if (t <= -7.2e-45) or not (t <= 1.08e-41): tmp = y + x else: tmp = -x * -1.0 return tmp
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -7.2e-45) || !(t <= 1.08e-41)) tmp = Float64(y + x); else tmp = Float64(Float64(-x) * -1.0); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if ((t <= -7.2e-45) || ~((t <= 1.08e-41))) tmp = y + x; else tmp = -x * -1.0; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -7.2e-45], N[Not[LessEqual[t, 1.08e-41]], $MachinePrecision]], N[(y + x), $MachinePrecision], N[((-x) * -1.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -7.2 \cdot 10^{-45} \lor \neg \left(t \leq 1.08 \cdot 10^{-41}\right):\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\left(-x\right) \cdot -1\\
\end{array}
\end{array}
if t < -7.20000000000000001e-45 or 1.08e-41 < t Initial program 72.9%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6478.1
Applied rewrites78.1%
if -7.20000000000000001e-45 < t < 1.08e-41Initial program 96.9%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6497.5
Applied rewrites97.5%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-neg-inN/A
lower-*.f64N/A
lower-neg.f64N/A
lower--.f64N/A
mul-1-negN/A
associate-/l*N/A
distribute-lft-neg-inN/A
mul-1-negN/A
lower-*.f64N/A
mul-1-negN/A
lower-neg.f64N/A
lower-/.f64N/A
lower--.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6487.3
Applied rewrites87.3%
Taylor expanded in x around inf
Applied rewrites61.6%
Final simplification70.3%
(FPCore (x y z t a) :precision binary64 (+ y x))
double code(double x, double y, double z, double t, double a) {
return y + 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 = y + x
end function
public static double code(double x, double y, double z, double t, double a) {
return y + x;
}
def code(x, y, z, t, a): return y + x
function code(x, y, z, t, a) return Float64(y + x) end
function tmp = code(x, y, z, t, a) tmp = y + x; end
code[x_, y_, z_, t_, a_] := N[(y + x), $MachinePrecision]
\begin{array}{l}
\\
y + x
\end{array}
Initial program 84.3%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6463.5
Applied rewrites63.5%
(FPCore (x y z t a) :precision binary64 (+ x (/ y (/ (- a t) (- z t)))))
double code(double x, double y, double z, double t, double a) {
return x + (y / ((a - t) / (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 / ((a - t) / (z - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + (y / ((a - t) / (z - t)));
}
def code(x, y, z, t, a): return x + (y / ((a - t) / (z - t)))
function code(x, y, z, t, a) return Float64(x + Float64(y / Float64(Float64(a - t) / Float64(z - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + (y / ((a - t) / (z - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(y / N[(N[(a - t), $MachinePrecision] / N[(z - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y}{\frac{a - t}{z - t}}
\end{array}
herbie shell --seed 2024352
(FPCore (x y z t a)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisTicks from plot-0.2.3.4, B"
:precision binary64
:alt
(! :herbie-platform default (+ x (/ y (/ (- a t) (- z t)))))
(+ x (/ (* y (- z t)) (- a t))))