
(FPCore (x y z t a b c) :precision binary64 (+ (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0)) c))
double code(double x, double y, double z, double t, double a, double b, double c) {
return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z, t, a, b, c)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (((x * y) + ((z * t) / 16.0d0)) - ((a * b) / 4.0d0)) + c
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
def code(x, y, z, t, a, b, c): return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c
function code(x, y, z, t, a, b, c) return Float64(Float64(Float64(Float64(x * y) + Float64(Float64(z * t) / 16.0)) - Float64(Float64(a * b) / 4.0)) + c) end
function tmp = code(x, y, z, t, a, b, c) tmp = (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c; end
code[x_, y_, z_, t_, a_, b_, c_] := N[(N[(N[(N[(x * y), $MachinePrecision] + N[(N[(z * t), $MachinePrecision] / 16.0), $MachinePrecision]), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c
\end{array}
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a b c) :precision binary64 (+ (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0)) c))
double code(double x, double y, double z, double t, double a, double b, double c) {
return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z, t, a, b, c)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (((x * y) + ((z * t) / 16.0d0)) - ((a * b) / 4.0d0)) + c
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
def code(x, y, z, t, a, b, c): return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c
function code(x, y, z, t, a, b, c) return Float64(Float64(Float64(Float64(x * y) + Float64(Float64(z * t) / 16.0)) - Float64(Float64(a * b) / 4.0)) + c) end
function tmp = code(x, y, z, t, a, b, c) tmp = (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c; end
code[x_, y_, z_, t_, a_, b_, c_] := N[(N[(N[(N[(x * y), $MachinePrecision] + N[(N[(z * t), $MachinePrecision] / 16.0), $MachinePrecision]), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c
\end{array}
(FPCore (x y z t a b c) :precision binary64 (+ (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0)) c))
double code(double x, double y, double z, double t, double a, double b, double c) {
return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z, t, a, b, c)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (((x * y) + ((z * t) / 16.0d0)) - ((a * b) / 4.0d0)) + c
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
def code(x, y, z, t, a, b, c): return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c
function code(x, y, z, t, a, b, c) return Float64(Float64(Float64(Float64(x * y) + Float64(Float64(z * t) / 16.0)) - Float64(Float64(a * b) / 4.0)) + c) end
function tmp = code(x, y, z, t, a, b, c) tmp = (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c; end
code[x_, y_, z_, t_, a_, b_, c_] := N[(N[(N[(N[(x * y), $MachinePrecision] + N[(N[(z * t), $MachinePrecision] / 16.0), $MachinePrecision]), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c
\end{array}
Initial program 97.5%
(FPCore (x y z t a b c)
:precision binary64
(let* ((t_1 (/ (* a b) 4.0))
(t_2 (+ (fma -0.25 (* a b) (* 0.0625 (* t z))) c)))
(if (<= t_1 -1e+88)
t_2
(if (<= t_1 2e+42)
(fma (* z 0.0625) t (fma y x c))
(if (<= t_1 5e+222) t_2 (+ (fma -0.25 (* a b) (* x y)) c))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
double t_1 = (a * b) / 4.0;
double t_2 = fma(-0.25, (a * b), (0.0625 * (t * z))) + c;
double tmp;
if (t_1 <= -1e+88) {
tmp = t_2;
} else if (t_1 <= 2e+42) {
tmp = fma((z * 0.0625), t, fma(y, x, c));
} else if (t_1 <= 5e+222) {
tmp = t_2;
} else {
tmp = fma(-0.25, (a * b), (x * y)) + c;
}
return tmp;
}
function code(x, y, z, t, a, b, c) t_1 = Float64(Float64(a * b) / 4.0) t_2 = Float64(fma(-0.25, Float64(a * b), Float64(0.0625 * Float64(t * z))) + c) tmp = 0.0 if (t_1 <= -1e+88) tmp = t_2; elseif (t_1 <= 2e+42) tmp = fma(Float64(z * 0.0625), t, fma(y, x, c)); elseif (t_1 <= 5e+222) tmp = t_2; else tmp = Float64(fma(-0.25, Float64(a * b), Float64(x * y)) + c); end return tmp end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]}, Block[{t$95$2 = N[(N[(-0.25 * N[(a * b), $MachinePrecision] + N[(0.0625 * N[(t * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]}, If[LessEqual[t$95$1, -1e+88], t$95$2, If[LessEqual[t$95$1, 2e+42], N[(N[(z * 0.0625), $MachinePrecision] * t + N[(y * x + c), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 5e+222], t$95$2, N[(N[(-0.25 * N[(a * b), $MachinePrecision] + N[(x * y), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a \cdot b}{4}\\
t_2 := \mathsf{fma}\left(-0.25, a \cdot b, 0.0625 \cdot \left(t \cdot z\right)\right) + c\\
\mathbf{if}\;t\_1 \leq -1 \cdot 10^{+88}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{+42}:\\
\;\;\;\;\mathsf{fma}\left(z \cdot 0.0625, t, \mathsf{fma}\left(y, x, c\right)\right)\\
\mathbf{elif}\;t\_1 \leq 5 \cdot 10^{+222}:\\
\;\;\;\;t\_2\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(-0.25, a \cdot b, x \cdot y\right) + c\\
\end{array}
\end{array}
if (/.f64 (*.f64 a b) #s(literal 4 binary64)) < -9.99999999999999959e87 or 2.00000000000000009e42 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 5.00000000000000023e222Initial program 97.5%
Taylor expanded in x around 0
Applied rewrites73.7%
Taylor expanded in a around 0
Applied rewrites73.7%
if -9.99999999999999959e87 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 2.00000000000000009e42Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Applied rewrites74.1%
if 5.00000000000000023e222 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) Initial program 97.5%
Taylor expanded in z around 0
Applied rewrites73.9%
Taylor expanded in a around 0
Applied rewrites73.9%
(FPCore (x y z t a b c)
:precision binary64
(let* ((t_1 (/ (* a b) 4.0)) (t_2 (+ (fma -0.25 (* a b) (* x y)) c)))
(if (<= t_1 -1e+88)
t_2
(if (<= t_1 2e+88) (fma (* z 0.0625) t (fma y x c)) t_2))))
double code(double x, double y, double z, double t, double a, double b, double c) {
double t_1 = (a * b) / 4.0;
double t_2 = fma(-0.25, (a * b), (x * y)) + c;
double tmp;
if (t_1 <= -1e+88) {
tmp = t_2;
} else if (t_1 <= 2e+88) {
tmp = fma((z * 0.0625), t, fma(y, x, c));
} else {
tmp = t_2;
}
return tmp;
}
function code(x, y, z, t, a, b, c) t_1 = Float64(Float64(a * b) / 4.0) t_2 = Float64(fma(-0.25, Float64(a * b), Float64(x * y)) + c) tmp = 0.0 if (t_1 <= -1e+88) tmp = t_2; elseif (t_1 <= 2e+88) tmp = fma(Float64(z * 0.0625), t, fma(y, x, c)); else tmp = t_2; end return tmp end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]}, Block[{t$95$2 = N[(N[(-0.25 * N[(a * b), $MachinePrecision] + N[(x * y), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]}, If[LessEqual[t$95$1, -1e+88], t$95$2, If[LessEqual[t$95$1, 2e+88], N[(N[(z * 0.0625), $MachinePrecision] * t + N[(y * x + c), $MachinePrecision]), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a \cdot b}{4}\\
t_2 := \mathsf{fma}\left(-0.25, a \cdot b, x \cdot y\right) + c\\
\mathbf{if}\;t\_1 \leq -1 \cdot 10^{+88}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{+88}:\\
\;\;\;\;\mathsf{fma}\left(z \cdot 0.0625, t, \mathsf{fma}\left(y, x, c\right)\right)\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 (*.f64 a b) #s(literal 4 binary64)) < -9.99999999999999959e87 or 1.99999999999999992e88 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) Initial program 97.5%
Taylor expanded in z around 0
Applied rewrites73.9%
Taylor expanded in a around 0
Applied rewrites73.9%
if -9.99999999999999959e87 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 1.99999999999999992e88Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Applied rewrites74.1%
(FPCore (x y z t a b c)
:precision binary64
(let* ((t_1 (/ (* a b) 4.0)) (t_2 (+ (* -0.25 (* a b)) c)))
(if (<= t_1 -1e+88)
t_2
(if (<= t_1 2e+88) (fma (* z 0.0625) t (fma y x c)) t_2))))
double code(double x, double y, double z, double t, double a, double b, double c) {
double t_1 = (a * b) / 4.0;
double t_2 = (-0.25 * (a * b)) + c;
double tmp;
if (t_1 <= -1e+88) {
tmp = t_2;
} else if (t_1 <= 2e+88) {
tmp = fma((z * 0.0625), t, fma(y, x, c));
} else {
tmp = t_2;
}
return tmp;
}
function code(x, y, z, t, a, b, c) t_1 = Float64(Float64(a * b) / 4.0) t_2 = Float64(Float64(-0.25 * Float64(a * b)) + c) tmp = 0.0 if (t_1 <= -1e+88) tmp = t_2; elseif (t_1 <= 2e+88) tmp = fma(Float64(z * 0.0625), t, fma(y, x, c)); else tmp = t_2; end return tmp end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]}, Block[{t$95$2 = N[(N[(-0.25 * N[(a * b), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]}, If[LessEqual[t$95$1, -1e+88], t$95$2, If[LessEqual[t$95$1, 2e+88], N[(N[(z * 0.0625), $MachinePrecision] * t + N[(y * x + c), $MachinePrecision]), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a \cdot b}{4}\\
t_2 := -0.25 \cdot \left(a \cdot b\right) + c\\
\mathbf{if}\;t\_1 \leq -1 \cdot 10^{+88}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{+88}:\\
\;\;\;\;\mathsf{fma}\left(z \cdot 0.0625, t, \mathsf{fma}\left(y, x, c\right)\right)\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 (*.f64 a b) #s(literal 4 binary64)) < -9.99999999999999959e87 or 1.99999999999999992e88 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) Initial program 97.5%
Taylor expanded in z around 0
Applied rewrites73.9%
Taylor expanded in x around 0
Applied rewrites48.8%
if -9.99999999999999959e87 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 1.99999999999999992e88Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Applied rewrites74.1%
(FPCore (x y z t a b c)
:precision binary64
(let* ((t_1 (/ (* a b) 4.0)) (t_2 (+ (* -0.25 (* a b)) c)))
(if (<= t_1 -1e+88)
t_2
(if (<= t_1 2e-187)
(+ c (* 0.0625 (* t z)))
(if (<= t_1 2e+42) (fma y x c) t_2)))))
double code(double x, double y, double z, double t, double a, double b, double c) {
double t_1 = (a * b) / 4.0;
double t_2 = (-0.25 * (a * b)) + c;
double tmp;
if (t_1 <= -1e+88) {
tmp = t_2;
} else if (t_1 <= 2e-187) {
tmp = c + (0.0625 * (t * z));
} else if (t_1 <= 2e+42) {
tmp = fma(y, x, c);
} else {
tmp = t_2;
}
return tmp;
}
function code(x, y, z, t, a, b, c) t_1 = Float64(Float64(a * b) / 4.0) t_2 = Float64(Float64(-0.25 * Float64(a * b)) + c) tmp = 0.0 if (t_1 <= -1e+88) tmp = t_2; elseif (t_1 <= 2e-187) tmp = Float64(c + Float64(0.0625 * Float64(t * z))); elseif (t_1 <= 2e+42) tmp = fma(y, x, c); else tmp = t_2; end return tmp end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]}, Block[{t$95$2 = N[(N[(-0.25 * N[(a * b), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]}, If[LessEqual[t$95$1, -1e+88], t$95$2, If[LessEqual[t$95$1, 2e-187], N[(c + N[(0.0625 * N[(t * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 2e+42], N[(y * x + c), $MachinePrecision], t$95$2]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a \cdot b}{4}\\
t_2 := -0.25 \cdot \left(a \cdot b\right) + c\\
\mathbf{if}\;t\_1 \leq -1 \cdot 10^{+88}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{-187}:\\
\;\;\;\;c + 0.0625 \cdot \left(t \cdot z\right)\\
\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{+42}:\\
\;\;\;\;\mathsf{fma}\left(y, x, c\right)\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 (*.f64 a b) #s(literal 4 binary64)) < -9.99999999999999959e87 or 2.00000000000000009e42 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) Initial program 97.5%
Taylor expanded in z around 0
Applied rewrites73.9%
Taylor expanded in x around 0
Applied rewrites48.8%
if -9.99999999999999959e87 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 2e-187Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Taylor expanded in x around 0
Applied rewrites48.8%
if 2e-187 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 2.00000000000000009e42Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Taylor expanded in z around 0
Applied rewrites48.8%
Applied rewrites48.9%
(FPCore (x y z t a b c)
:precision binary64
(let* ((t_1 (/ (* a b) 4.0)) (t_2 (* -0.25 (* a b))))
(if (<= t_1 -5e+117)
t_2
(if (<= t_1 2e-187)
(+ c (* 0.0625 (* t z)))
(if (<= t_1 5e+79) (fma y x c) t_2)))))
double code(double x, double y, double z, double t, double a, double b, double c) {
double t_1 = (a * b) / 4.0;
double t_2 = -0.25 * (a * b);
double tmp;
if (t_1 <= -5e+117) {
tmp = t_2;
} else if (t_1 <= 2e-187) {
tmp = c + (0.0625 * (t * z));
} else if (t_1 <= 5e+79) {
tmp = fma(y, x, c);
} else {
tmp = t_2;
}
return tmp;
}
function code(x, y, z, t, a, b, c) t_1 = Float64(Float64(a * b) / 4.0) t_2 = Float64(-0.25 * Float64(a * b)) tmp = 0.0 if (t_1 <= -5e+117) tmp = t_2; elseif (t_1 <= 2e-187) tmp = Float64(c + Float64(0.0625 * Float64(t * z))); elseif (t_1 <= 5e+79) tmp = fma(y, x, c); else tmp = t_2; end return tmp end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]}, Block[{t$95$2 = N[(-0.25 * N[(a * b), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -5e+117], t$95$2, If[LessEqual[t$95$1, 2e-187], N[(c + N[(0.0625 * N[(t * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 5e+79], N[(y * x + c), $MachinePrecision], t$95$2]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a \cdot b}{4}\\
t_2 := -0.25 \cdot \left(a \cdot b\right)\\
\mathbf{if}\;t\_1 \leq -5 \cdot 10^{+117}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{-187}:\\
\;\;\;\;c + 0.0625 \cdot \left(t \cdot z\right)\\
\mathbf{elif}\;t\_1 \leq 5 \cdot 10^{+79}:\\
\;\;\;\;\mathsf{fma}\left(y, x, c\right)\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 (*.f64 a b) #s(literal 4 binary64)) < -4.99999999999999983e117 or 5e79 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) Initial program 97.5%
Taylor expanded in a around inf
Applied rewrites28.4%
if -4.99999999999999983e117 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 2e-187Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Taylor expanded in x around 0
Applied rewrites48.8%
if 2e-187 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 5e79Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Taylor expanded in z around 0
Applied rewrites48.8%
Applied rewrites48.9%
(FPCore (x y z t a b c) :precision binary64 (let* ((t_1 (/ (* a b) 4.0)) (t_2 (* -0.25 (* a b)))) (if (<= t_1 -5e+117) t_2 (if (<= t_1 5e+79) (fma y x c) t_2))))
double code(double x, double y, double z, double t, double a, double b, double c) {
double t_1 = (a * b) / 4.0;
double t_2 = -0.25 * (a * b);
double tmp;
if (t_1 <= -5e+117) {
tmp = t_2;
} else if (t_1 <= 5e+79) {
tmp = fma(y, x, c);
} else {
tmp = t_2;
}
return tmp;
}
function code(x, y, z, t, a, b, c) t_1 = Float64(Float64(a * b) / 4.0) t_2 = Float64(-0.25 * Float64(a * b)) tmp = 0.0 if (t_1 <= -5e+117) tmp = t_2; elseif (t_1 <= 5e+79) tmp = fma(y, x, c); else tmp = t_2; end return tmp end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]}, Block[{t$95$2 = N[(-0.25 * N[(a * b), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -5e+117], t$95$2, If[LessEqual[t$95$1, 5e+79], N[(y * x + c), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a \cdot b}{4}\\
t_2 := -0.25 \cdot \left(a \cdot b\right)\\
\mathbf{if}\;t\_1 \leq -5 \cdot 10^{+117}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 5 \cdot 10^{+79}:\\
\;\;\;\;\mathsf{fma}\left(y, x, c\right)\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 (*.f64 a b) #s(literal 4 binary64)) < -4.99999999999999983e117 or 5e79 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) Initial program 97.5%
Taylor expanded in a around inf
Applied rewrites28.4%
if -4.99999999999999983e117 < (/.f64 (*.f64 a b) #s(literal 4 binary64)) < 5e79Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Taylor expanded in z around 0
Applied rewrites48.8%
Applied rewrites48.9%
(FPCore (x y z t a b c) :precision binary64 (fma y x c))
double code(double x, double y, double z, double t, double a, double b, double c) {
return fma(y, x, c);
}
function code(x, y, z, t, a, b, c) return fma(y, x, c) end
code[x_, y_, z_, t_, a_, b_, c_] := N[(y * x + c), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y, x, c\right)
\end{array}
Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Taylor expanded in z around 0
Applied rewrites48.8%
Applied rewrites48.9%
(FPCore (x y z t a b c) :precision binary64 c)
double code(double x, double y, double z, double t, double a, double b, double c) {
return c;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z, t, a, b, c)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = c
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
return c;
}
def code(x, y, z, t, a, b, c): return c
function code(x, y, z, t, a, b, c) return c end
function tmp = code(x, y, z, t, a, b, c) tmp = c; end
code[x_, y_, z_, t_, a_, b_, c_] := c
\begin{array}{l}
\\
c
\end{array}
Initial program 97.5%
Taylor expanded in a around 0
Applied rewrites73.6%
Taylor expanded in z around 0
Applied rewrites48.8%
Taylor expanded in x around 0
Applied rewrites22.5%
herbie shell --seed 2025159
(FPCore (x y z t a b c)
:name "Diagrams.Solve.Polynomial:quartForm from diagrams-solve-0.1, C"
:precision binary64
(+ (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0)) c))