
(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 10 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 83.7%
lift-+.f64N/A
lift--.f64N/A
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
+-commutativeN/A
associate-/l*N/A
sub-divN/A
*-commutativeN/A
lower-fma.f64N/A
sub-divN/A
lower-/.f64N/A
lift--.f64N/A
lift--.f6499.2
Applied rewrites99.2%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ (* y (- z t)) (- a t))))
(if (or (<= t_1 -2e+211) (not (<= t_1 1e+91)))
(* (- z t) (/ y (- a t)))
(+ x (/ (* y z) (- 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 <= -2e+211) || !(t_1 <= 1e+91)) {
tmp = (z - t) * (y / (a - t));
} else {
tmp = x + ((y * z) / (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 <= (-2d+211)) .or. (.not. (t_1 <= 1d+91))) then
tmp = (z - t) * (y / (a - t))
else
tmp = x + ((y * z) / (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 <= -2e+211) || !(t_1 <= 1e+91)) {
tmp = (z - t) * (y / (a - t));
} else {
tmp = x + ((y * z) / (a - t));
}
return tmp;
}
def code(x, y, z, t, a): t_1 = (y * (z - t)) / (a - t) tmp = 0 if (t_1 <= -2e+211) or not (t_1 <= 1e+91): tmp = (z - t) * (y / (a - t)) else: tmp = x + ((y * z) / (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 <= -2e+211) || !(t_1 <= 1e+91)) tmp = Float64(Float64(z - t) * Float64(y / Float64(a - t))); else tmp = Float64(x + Float64(Float64(y * z) / 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 <= -2e+211) || ~((t_1 <= 1e+91))) tmp = (z - t) * (y / (a - t)); else tmp = x + ((y * z) / (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, -2e+211], N[Not[LessEqual[t$95$1, 1e+91]], $MachinePrecision]], N[(N[(z - t), $MachinePrecision] * N[(y / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(y * z), $MachinePrecision] / N[(a - t), $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 -2 \cdot 10^{+211} \lor \neg \left(t\_1 \leq 10^{+91}\right):\\
\;\;\;\;\left(z - t\right) \cdot \frac{y}{a - t}\\
\mathbf{else}:\\
\;\;\;\;x + \frac{y \cdot z}{a - t}\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) < -1.9999999999999999e211 or 1.00000000000000008e91 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) Initial program 43.2%
Taylor expanded in x around 0
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
lift--.f64N/A
lift--.f6441.9
Applied rewrites41.9%
+-commutative41.9
associate-/l*41.9
*-commutative41.9
lift--.f64N/A
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
associate-/l*N/A
lower-*.f64N/A
lift--.f64N/A
lower-/.f64N/A
lift--.f6483.4
Applied rewrites83.4%
if -1.9999999999999999e211 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) < 1.00000000000000008e91Initial program 99.8%
Taylor expanded in z around inf
Applied rewrites89.1%
Final simplification87.5%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ (* y (- z t)) (- a t))))
(if (or (<= t_1 -5e+132) (not (<= t_1 1e+91)))
(* (- z t) (/ y (- a t)))
(fma (/ z (- a t)) y x))))
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 <= -5e+132) || !(t_1 <= 1e+91)) {
tmp = (z - t) * (y / (a - t));
} else {
tmp = fma((z / (a - t)), y, x);
}
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 <= -5e+132) || !(t_1 <= 1e+91)) tmp = Float64(Float64(z - t) * Float64(y / Float64(a - t))); else tmp = fma(Float64(z / Float64(a - t)), 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[(a - t), $MachinePrecision]), $MachinePrecision]}, If[Or[LessEqual[t$95$1, -5e+132], N[Not[LessEqual[t$95$1, 1e+91]], $MachinePrecision]], N[(N[(z - t), $MachinePrecision] * N[(y / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(z / N[(a - t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot \left(z - t\right)}{a - t}\\
\mathbf{if}\;t\_1 \leq -5 \cdot 10^{+132} \lor \neg \left(t\_1 \leq 10^{+91}\right):\\
\;\;\;\;\left(z - t\right) \cdot \frac{y}{a - t}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a - t}, y, x\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) < -5.0000000000000001e132 or 1.00000000000000008e91 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) Initial program 46.8%
Taylor expanded in x around 0
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
lift--.f64N/A
lift--.f6444.4
Applied rewrites44.4%
+-commutative44.4
associate-/l*44.4
*-commutative44.4
lift--.f64N/A
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
associate-/l*N/A
lower-*.f64N/A
lift--.f64N/A
lower-/.f64N/A
lift--.f6483.2
Applied rewrites83.2%
if -5.0000000000000001e132 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) < 1.00000000000000008e91Initial program 99.8%
lift-+.f64N/A
lift--.f64N/A
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
+-commutativeN/A
associate-/l*N/A
sub-divN/A
*-commutativeN/A
lower-fma.f64N/A
sub-divN/A
lower-/.f64N/A
lift--.f64N/A
lift--.f6499.9
Applied rewrites99.9%
Taylor expanded in z around inf
Applied rewrites88.9%
Final simplification87.2%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (/ (* y (- z t)) (- a t)))) (if (<= t_1 -1e+177) y (if (<= t_1 2e+124) x y))))
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 <= -1e+177) {
tmp = y;
} else if (t_1 <= 2e+124) {
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)) / (a - t)
if (t_1 <= (-1d+177)) then
tmp = y
else if (t_1 <= 2d+124) 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)) / (a - t);
double tmp;
if (t_1 <= -1e+177) {
tmp = y;
} else if (t_1 <= 2e+124) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z, t, a): t_1 = (y * (z - t)) / (a - t) tmp = 0 if t_1 <= -1e+177: tmp = y elif t_1 <= 2e+124: tmp = x else: tmp = y 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 <= -1e+177) tmp = y; elseif (t_1 <= 2e+124) tmp = x; else tmp = y; 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 <= -1e+177) tmp = y; elseif (t_1 <= 2e+124) 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[(a - t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -1e+177], y, If[LessEqual[t$95$1, 2e+124], x, y]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot \left(z - t\right)}{a - t}\\
\mathbf{if}\;t\_1 \leq -1 \cdot 10^{+177}:\\
\;\;\;\;y\\
\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{+124}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) < -1e177 or 1.9999999999999999e124 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) Initial program 42.4%
Taylor expanded in x around 0
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
lift--.f64N/A
lift--.f6442.4
Applied rewrites42.4%
Taylor expanded in t around 0
Applied rewrites27.7%
Taylor expanded in z around 0
mul-1-negN/A
lower-neg.f648.6
Applied rewrites8.6%
Taylor expanded in t around inf
associate-*r/31.3
Applied rewrites31.3%
if -1e177 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 a t)) < 1.9999999999999999e124Initial program 99.8%
Taylor expanded in x around inf
Applied rewrites72.8%
Final simplification61.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -3.4e+187) (not (<= t 2.3e+78))) (+ x y) (fma (/ z (- a t)) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -3.4e+187) || !(t <= 2.3e+78)) {
tmp = x + y;
} else {
tmp = fma((z / (a - t)), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -3.4e+187) || !(t <= 2.3e+78)) tmp = Float64(x + y); else tmp = fma(Float64(z / Float64(a - t)), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -3.4e+187], N[Not[LessEqual[t, 2.3e+78]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(N[(z / N[(a - t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -3.4 \cdot 10^{+187} \lor \neg \left(t \leq 2.3 \cdot 10^{+78}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a - t}, y, x\right)\\
\end{array}
\end{array}
if t < -3.4e187 or 2.3000000000000002e78 < t Initial program 61.3%
Taylor expanded in t around inf
Applied rewrites82.3%
if -3.4e187 < t < 2.3000000000000002e78Initial program 93.5%
lift-+.f64N/A
lift--.f64N/A
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
+-commutativeN/A
associate-/l*N/A
sub-divN/A
*-commutativeN/A
lower-fma.f64N/A
sub-divN/A
lower-/.f64N/A
lift--.f64N/A
lift--.f6498.8
Applied rewrites98.8%
Taylor expanded in z around inf
Applied rewrites88.8%
Final simplification86.8%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -3.1e+31) (not (<= t 7.4e+77))) (+ x y) (fma y (/ (- z t) a) x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -3.1e+31) || !(t <= 7.4e+77)) {
tmp = x + y;
} else {
tmp = fma(y, ((z - t) / a), x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -3.1e+31) || !(t <= 7.4e+77)) tmp = Float64(x + y); else tmp = fma(y, Float64(Float64(z - t) / a), x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -3.1e+31], N[Not[LessEqual[t, 7.4e+77]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(y * N[(N[(z - t), $MachinePrecision] / a), $MachinePrecision] + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -3.1 \cdot 10^{+31} \lor \neg \left(t \leq 7.4 \cdot 10^{+77}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, \frac{z - t}{a}, x\right)\\
\end{array}
\end{array}
if t < -3.1000000000000002e31 or 7.3999999999999999e77 < t Initial program 68.0%
Taylor expanded in t around inf
Applied rewrites77.7%
if -3.1000000000000002e31 < t < 7.3999999999999999e77Initial program 95.4%
Taylor expanded in a around inf
+-commutativeN/A
associate-/l*N/A
lower-fma.f64N/A
lower-/.f64N/A
lift--.f6486.7
Applied rewrites86.7%
Final simplification82.9%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -1.1e+29) (not (<= t 4.4e+55))) (+ x y) (fma z (/ y a) x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -1.1e+29) || !(t <= 4.4e+55)) {
tmp = x + y;
} else {
tmp = fma(z, (y / a), x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -1.1e+29) || !(t <= 4.4e+55)) tmp = Float64(x + y); else tmp = fma(z, Float64(y / a), x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -1.1e+29], N[Not[LessEqual[t, 4.4e+55]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(z * N[(y / a), $MachinePrecision] + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.1 \cdot 10^{+29} \lor \neg \left(t \leq 4.4 \cdot 10^{+55}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(z, \frac{y}{a}, x\right)\\
\end{array}
\end{array}
if t < -1.1000000000000001e29 or 4.40000000000000021e55 < t Initial program 69.1%
Taylor expanded in t around inf
Applied rewrites76.7%
if -1.1000000000000001e29 < t < 4.40000000000000021e55Initial program 95.2%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
lower-fma.f64N/A
lower-/.f6484.7
Applied rewrites84.7%
lift-/.f64N/A
lift-fma.f64N/A
associate-*r/N/A
*-commutativeN/A
associate-/l*N/A
lower-fma.f64N/A
lower-/.f6484.7
Applied rewrites84.7%
Final simplification81.2%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -1.1e+29) (not (<= t 4.4e+55))) (+ x y) (fma y (/ z a) x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -1.1e+29) || !(t <= 4.4e+55)) {
tmp = x + y;
} else {
tmp = fma(y, (z / a), x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -1.1e+29) || !(t <= 4.4e+55)) tmp = Float64(x + y); else tmp = fma(y, Float64(z / a), x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -1.1e+29], N[Not[LessEqual[t, 4.4e+55]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(y * N[(z / a), $MachinePrecision] + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.1 \cdot 10^{+29} \lor \neg \left(t \leq 4.4 \cdot 10^{+55}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, \frac{z}{a}, x\right)\\
\end{array}
\end{array}
if t < -1.1000000000000001e29 or 4.40000000000000021e55 < t Initial program 69.1%
Taylor expanded in t around inf
Applied rewrites76.7%
if -1.1000000000000001e29 < t < 4.40000000000000021e55Initial program 95.2%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
lower-fma.f64N/A
lower-/.f6484.7
Applied rewrites84.7%
Final simplification81.2%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -6.5e+28) (not (<= t 6.4e+77))) (+ x y) x))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -6.5e+28) || !(t <= 6.4e+77)) {
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) :: tmp
if ((t <= (-6.5d+28)) .or. (.not. (t <= 6.4d+77))) 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 tmp;
if ((t <= -6.5e+28) || !(t <= 6.4e+77)) {
tmp = x + y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if (t <= -6.5e+28) or not (t <= 6.4e+77): tmp = x + y else: tmp = x return tmp
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -6.5e+28) || !(t <= 6.4e+77)) tmp = Float64(x + y); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if ((t <= -6.5e+28) || ~((t <= 6.4e+77))) tmp = x + y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -6.5e+28], N[Not[LessEqual[t, 6.4e+77]], $MachinePrecision]], N[(x + y), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -6.5 \cdot 10^{+28} \lor \neg \left(t \leq 6.4 \cdot 10^{+77}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if t < -6.5000000000000001e28 or 6.4000000000000003e77 < t Initial program 68.3%
Taylor expanded in t around inf
Applied rewrites77.0%
if -6.5000000000000001e28 < t < 6.4000000000000003e77Initial program 95.3%
Taylor expanded in x around inf
Applied rewrites59.6%
Final simplification67.1%
(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 83.7%
Taylor expanded in x around inf
Applied rewrites55.7%
Final simplification55.7%
(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 2025064
(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))))