
(FPCore (x y z t) :precision binary64 (+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))
double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * 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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = ((x * x) / (y * y)) + ((z * z) / (t * t))
end function
public static double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
def code(x, y, z, t): return ((x * x) / (y * y)) + ((z * z) / (t * t))
function code(x, y, z, t) return Float64(Float64(Float64(x * x) / Float64(y * y)) + Float64(Float64(z * z) / Float64(t * t))) end
function tmp = code(x, y, z, t) tmp = ((x * x) / (y * y)) + ((z * z) / (t * t)); end
code[x_, y_, z_, t_] := N[(N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t \cdot t}
\end{array}
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t) :precision binary64 (+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))
double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * 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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = ((x * x) / (y * y)) + ((z * z) / (t * t))
end function
public static double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
def code(x, y, z, t): return ((x * x) / (y * y)) + ((z * z) / (t * t))
function code(x, y, z, t) return Float64(Float64(Float64(x * x) / Float64(y * y)) + Float64(Float64(z * z) / Float64(t * t))) end
function tmp = code(x, y, z, t) tmp = ((x * x) / (y * y)) + ((z * z) / (t * t)); end
code[x_, y_, z_, t_] := N[(N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t \cdot t}
\end{array}
t_m = (fabs.f64 t)
(FPCore (x y z t_m)
:precision binary64
(let* ((t_1 (/ (- x) y)) (t_2 (/ (- z) t_m)))
(if (<= t_m 5e-239)
(fma (/ (/ x y) y) x (* t_2 t_2))
(fma (/ (/ z t_m) t_m) z (* t_1 t_1)))))t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
double t_1 = -x / y;
double t_2 = -z / t_m;
double tmp;
if (t_m <= 5e-239) {
tmp = fma(((x / y) / y), x, (t_2 * t_2));
} else {
tmp = fma(((z / t_m) / t_m), z, (t_1 * t_1));
}
return tmp;
}
t_m = abs(t) function code(x, y, z, t_m) t_1 = Float64(Float64(-x) / y) t_2 = Float64(Float64(-z) / t_m) tmp = 0.0 if (t_m <= 5e-239) tmp = fma(Float64(Float64(x / y) / y), x, Float64(t_2 * t_2)); else tmp = fma(Float64(Float64(z / t_m) / t_m), z, Float64(t_1 * t_1)); end return tmp end
t_m = N[Abs[t], $MachinePrecision]
code[x_, y_, z_, t$95$m_] := Block[{t$95$1 = N[((-x) / y), $MachinePrecision]}, Block[{t$95$2 = N[((-z) / t$95$m), $MachinePrecision]}, If[LessEqual[t$95$m, 5e-239], N[(N[(N[(x / y), $MachinePrecision] / y), $MachinePrecision] * x + N[(t$95$2 * t$95$2), $MachinePrecision]), $MachinePrecision], N[(N[(N[(z / t$95$m), $MachinePrecision] / t$95$m), $MachinePrecision] * z + N[(t$95$1 * t$95$1), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
t_m = \left|t\right|
\\
\begin{array}{l}
t_1 := \frac{-x}{y}\\
t_2 := \frac{-z}{t\_m}\\
\mathbf{if}\;t\_m \leq 5 \cdot 10^{-239}:\\
\;\;\;\;\mathsf{fma}\left(\frac{\frac{x}{y}}{y}, x, t\_2 \cdot t\_2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{\frac{z}{t\_m}}{t\_m}, z, t\_1 \cdot t\_1\right)\\
\end{array}
\end{array}
if t < 5e-239Initial program 61.9%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
pow2N/A
pow2N/A
lower-fma.f64N/A
pow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
pow2N/A
sqr-neg-revN/A
times-fracN/A
lower-*.f64N/A
Applied rewrites98.7%
if 5e-239 < t Initial program 66.9%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
+-commutativeN/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
pow2N/A
pow2N/A
lower-fma.f64N/A
pow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
pow2N/A
sqr-neg-revN/A
times-fracN/A
lower-*.f64N/A
Applied rewrites98.0%
t_m = (fabs.f64 t)
(FPCore (x y z t_m)
:precision binary64
(let* ((t_1 (/ (- x) y)) (t_2 (/ (- z) t_m)))
(if (<= (/ (* z z) (* t_m t_m)) 1e+288)
(fma (- z) (/ (- z) (* t_m t_m)) (* t_1 t_1))
(fma (- x) (/ (- x) (* y y)) (* t_2 t_2)))))t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
double t_1 = -x / y;
double t_2 = -z / t_m;
double tmp;
if (((z * z) / (t_m * t_m)) <= 1e+288) {
tmp = fma(-z, (-z / (t_m * t_m)), (t_1 * t_1));
} else {
tmp = fma(-x, (-x / (y * y)), (t_2 * t_2));
}
return tmp;
}
t_m = abs(t) function code(x, y, z, t_m) t_1 = Float64(Float64(-x) / y) t_2 = Float64(Float64(-z) / t_m) tmp = 0.0 if (Float64(Float64(z * z) / Float64(t_m * t_m)) <= 1e+288) tmp = fma(Float64(-z), Float64(Float64(-z) / Float64(t_m * t_m)), Float64(t_1 * t_1)); else tmp = fma(Float64(-x), Float64(Float64(-x) / Float64(y * y)), Float64(t_2 * t_2)); end return tmp end
t_m = N[Abs[t], $MachinePrecision]
code[x_, y_, z_, t$95$m_] := Block[{t$95$1 = N[((-x) / y), $MachinePrecision]}, Block[{t$95$2 = N[((-z) / t$95$m), $MachinePrecision]}, If[LessEqual[N[(N[(z * z), $MachinePrecision] / N[(t$95$m * t$95$m), $MachinePrecision]), $MachinePrecision], 1e+288], N[((-z) * N[((-z) / N[(t$95$m * t$95$m), $MachinePrecision]), $MachinePrecision] + N[(t$95$1 * t$95$1), $MachinePrecision]), $MachinePrecision], N[((-x) * N[((-x) / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(t$95$2 * t$95$2), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
t_m = \left|t\right|
\\
\begin{array}{l}
t_1 := \frac{-x}{y}\\
t_2 := \frac{-z}{t\_m}\\
\mathbf{if}\;\frac{z \cdot z}{t\_m \cdot t\_m} \leq 10^{+288}:\\
\;\;\;\;\mathsf{fma}\left(-z, \frac{-z}{t\_m \cdot t\_m}, t\_1 \cdot t\_1\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(-x, \frac{-x}{y \cdot y}, t\_2 \cdot t\_2\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < 1e288Initial program 74.1%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
+-commutativeN/A
sqr-neg-revN/A
pow2N/A
associate-/l*N/A
pow2N/A
pow2N/A
lower-fma.f64N/A
lower-neg.f64N/A
lower-/.f64N/A
lower-neg.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
pow2N/A
sqr-neg-revN/A
times-fracN/A
Applied rewrites97.4%
if 1e288 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 57.4%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
sqr-neg-revN/A
pow2N/A
associate-/l*N/A
pow2N/A
pow2N/A
lower-fma.f64N/A
lower-neg.f64N/A
lower-/.f64N/A
lower-neg.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
pow2N/A
sqr-neg-revN/A
times-fracN/A
lower-*.f64N/A
Applied rewrites95.9%
t_m = (fabs.f64 t) (FPCore (x y z t_m) :precision binary64 (let* ((t_1 (/ (- z) t_m))) (fma (/ (/ x y) y) x (* t_1 t_1))))
t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
double t_1 = -z / t_m;
return fma(((x / y) / y), x, (t_1 * t_1));
}
t_m = abs(t) function code(x, y, z, t_m) t_1 = Float64(Float64(-z) / t_m) return fma(Float64(Float64(x / y) / y), x, Float64(t_1 * t_1)) end
t_m = N[Abs[t], $MachinePrecision]
code[x_, y_, z_, t$95$m_] := Block[{t$95$1 = N[((-z) / t$95$m), $MachinePrecision]}, N[(N[(N[(x / y), $MachinePrecision] / y), $MachinePrecision] * x + N[(t$95$1 * t$95$1), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
t_m = \left|t\right|
\\
\begin{array}{l}
t_1 := \frac{-z}{t\_m}\\
\mathsf{fma}\left(\frac{\frac{x}{y}}{y}, x, t\_1 \cdot t\_1\right)
\end{array}
\end{array}
Initial program 66.3%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
pow2N/A
pow2N/A
lower-fma.f64N/A
pow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
pow2N/A
sqr-neg-revN/A
times-fracN/A
lower-*.f64N/A
Applied rewrites96.8%
t_m = (fabs.f64 t)
(FPCore (x y z t_m)
:precision binary64
(let* ((t_1 (/ (* z z) (* t_m t_m))) (t_2 (/ (- z) t_m)))
(if (<= t_1 5e+165)
(+ (/ (* (/ x y) x) y) t_1)
(fma (- x) (/ (- x) (* y y)) (* t_2 t_2)))))t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
double t_1 = (z * z) / (t_m * t_m);
double t_2 = -z / t_m;
double tmp;
if (t_1 <= 5e+165) {
tmp = (((x / y) * x) / y) + t_1;
} else {
tmp = fma(-x, (-x / (y * y)), (t_2 * t_2));
}
return tmp;
}
t_m = abs(t) function code(x, y, z, t_m) t_1 = Float64(Float64(z * z) / Float64(t_m * t_m)) t_2 = Float64(Float64(-z) / t_m) tmp = 0.0 if (t_1 <= 5e+165) tmp = Float64(Float64(Float64(Float64(x / y) * x) / y) + t_1); else tmp = fma(Float64(-x), Float64(Float64(-x) / Float64(y * y)), Float64(t_2 * t_2)); end return tmp end
t_m = N[Abs[t], $MachinePrecision]
code[x_, y_, z_, t$95$m_] := Block[{t$95$1 = N[(N[(z * z), $MachinePrecision] / N[(t$95$m * t$95$m), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[((-z) / t$95$m), $MachinePrecision]}, If[LessEqual[t$95$1, 5e+165], N[(N[(N[(N[(x / y), $MachinePrecision] * x), $MachinePrecision] / y), $MachinePrecision] + t$95$1), $MachinePrecision], N[((-x) * N[((-x) / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(t$95$2 * t$95$2), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
t_m = \left|t\right|
\\
\begin{array}{l}
t_1 := \frac{z \cdot z}{t\_m \cdot t\_m}\\
t_2 := \frac{-z}{t\_m}\\
\mathbf{if}\;t\_1 \leq 5 \cdot 10^{+165}:\\
\;\;\;\;\frac{\frac{x}{y} \cdot x}{y} + t\_1\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(-x, \frac{-x}{y \cdot y}, t\_2 \cdot t\_2\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < 4.9999999999999997e165Initial program 73.4%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
times-fracN/A
associate-*r/N/A
lower-/.f64N/A
lower-*.f64N/A
lower-/.f6490.1
Applied rewrites90.1%
if 4.9999999999999997e165 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 59.2%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
sqr-neg-revN/A
pow2N/A
associate-/l*N/A
pow2N/A
pow2N/A
lower-fma.f64N/A
lower-neg.f64N/A
lower-/.f64N/A
lower-neg.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
pow2N/A
sqr-neg-revN/A
times-fracN/A
lower-*.f64N/A
Applied rewrites95.7%
t_m = (fabs.f64 t)
(FPCore (x y z t_m)
:precision binary64
(let* ((t_1 (/ (* z z) (* t_m t_m))))
(if (<= t_1 INFINITY)
(+ (/ (* (/ x y) x) y) t_1)
(+ (/ (* x x) (* y y)) (/ (* (/ z t_m) z) t_m)))))t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
double t_1 = (z * z) / (t_m * t_m);
double tmp;
if (t_1 <= ((double) INFINITY)) {
tmp = (((x / y) * x) / y) + t_1;
} else {
tmp = ((x * x) / (y * y)) + (((z / t_m) * z) / t_m);
}
return tmp;
}
t_m = Math.abs(t);
public static double code(double x, double y, double z, double t_m) {
double t_1 = (z * z) / (t_m * t_m);
double tmp;
if (t_1 <= Double.POSITIVE_INFINITY) {
tmp = (((x / y) * x) / y) + t_1;
} else {
tmp = ((x * x) / (y * y)) + (((z / t_m) * z) / t_m);
}
return tmp;
}
t_m = math.fabs(t) def code(x, y, z, t_m): t_1 = (z * z) / (t_m * t_m) tmp = 0 if t_1 <= math.inf: tmp = (((x / y) * x) / y) + t_1 else: tmp = ((x * x) / (y * y)) + (((z / t_m) * z) / t_m) return tmp
t_m = abs(t) function code(x, y, z, t_m) t_1 = Float64(Float64(z * z) / Float64(t_m * t_m)) tmp = 0.0 if (t_1 <= Inf) tmp = Float64(Float64(Float64(Float64(x / y) * x) / y) + t_1); else tmp = Float64(Float64(Float64(x * x) / Float64(y * y)) + Float64(Float64(Float64(z / t_m) * z) / t_m)); end return tmp end
t_m = abs(t); function tmp_2 = code(x, y, z, t_m) t_1 = (z * z) / (t_m * t_m); tmp = 0.0; if (t_1 <= Inf) tmp = (((x / y) * x) / y) + t_1; else tmp = ((x * x) / (y * y)) + (((z / t_m) * z) / t_m); end tmp_2 = tmp; end
t_m = N[Abs[t], $MachinePrecision]
code[x_, y_, z_, t$95$m_] := Block[{t$95$1 = N[(N[(z * z), $MachinePrecision] / N[(t$95$m * t$95$m), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, Infinity], N[(N[(N[(N[(x / y), $MachinePrecision] * x), $MachinePrecision] / y), $MachinePrecision] + t$95$1), $MachinePrecision], N[(N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(N[(N[(z / t$95$m), $MachinePrecision] * z), $MachinePrecision] / t$95$m), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
t_m = \left|t\right|
\\
\begin{array}{l}
t_1 := \frac{z \cdot z}{t\_m \cdot t\_m}\\
\mathbf{if}\;t\_1 \leq \infty:\\
\;\;\;\;\frac{\frac{x}{y} \cdot x}{y} + t\_1\\
\mathbf{else}:\\
\;\;\;\;\frac{x \cdot x}{y \cdot y} + \frac{\frac{z}{t\_m} \cdot z}{t\_m}\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < +inf.0Initial program 75.2%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
times-fracN/A
associate-*r/N/A
lower-/.f64N/A
lower-*.f64N/A
lower-/.f6489.4
Applied rewrites89.4%
if +inf.0 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 0.0%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
times-fracN/A
associate-*r/N/A
lower-/.f64N/A
lower-*.f64N/A
lower-/.f6471.4
Applied rewrites71.4%
t_m = (fabs.f64 t)
(FPCore (x y z t_m)
:precision binary64
(let* ((t_1 (/ (* x x) (* y y))))
(if (<= t_1 INFINITY)
(+ t_1 (/ (* (/ z t_m) z) t_m))
(/ (/ (fma (* y y) (* (/ z t_m) (/ z t_m)) (* x x)) y) y))))t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
double t_1 = (x * x) / (y * y);
double tmp;
if (t_1 <= ((double) INFINITY)) {
tmp = t_1 + (((z / t_m) * z) / t_m);
} else {
tmp = (fma((y * y), ((z / t_m) * (z / t_m)), (x * x)) / y) / y;
}
return tmp;
}
t_m = abs(t) function code(x, y, z, t_m) t_1 = Float64(Float64(x * x) / Float64(y * y)) tmp = 0.0 if (t_1 <= Inf) tmp = Float64(t_1 + Float64(Float64(Float64(z / t_m) * z) / t_m)); else tmp = Float64(Float64(fma(Float64(y * y), Float64(Float64(z / t_m) * Float64(z / t_m)), Float64(x * x)) / y) / y); end return tmp end
t_m = N[Abs[t], $MachinePrecision]
code[x_, y_, z_, t$95$m_] := Block[{t$95$1 = N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, Infinity], N[(t$95$1 + N[(N[(N[(z / t$95$m), $MachinePrecision] * z), $MachinePrecision] / t$95$m), $MachinePrecision]), $MachinePrecision], N[(N[(N[(N[(y * y), $MachinePrecision] * N[(N[(z / t$95$m), $MachinePrecision] * N[(z / t$95$m), $MachinePrecision]), $MachinePrecision] + N[(x * x), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision] / y), $MachinePrecision]]]
\begin{array}{l}
t_m = \left|t\right|
\\
\begin{array}{l}
t_1 := \frac{x \cdot x}{y \cdot y}\\
\mathbf{if}\;t\_1 \leq \infty:\\
\;\;\;\;t\_1 + \frac{\frac{z}{t\_m} \cdot z}{t\_m}\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{\mathsf{fma}\left(y \cdot y, \frac{z}{t\_m} \cdot \frac{z}{t\_m}, x \cdot x\right)}{y}}{y}\\
\end{array}
\end{array}
if (/.f64 (*.f64 x x) (*.f64 y y)) < +inf.0Initial program 75.2%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
times-fracN/A
associate-*r/N/A
lower-/.f64N/A
lower-*.f64N/A
lower-/.f6489.3
Applied rewrites89.3%
if +inf.0 < (/.f64 (*.f64 x x) (*.f64 y y)) Initial program 0.0%
Taylor expanded in y around 0
lower-/.f64N/A
associate-/l*N/A
pow2N/A
associate-/l*N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
lift-*.f640.0
Applied rewrites0.0%
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-/.f64N/A
associate-/r*N/A
lower-/.f64N/A
Applied rewrites18.5%
t_m = (fabs.f64 t)
(FPCore (x y z t_m)
:precision binary64
(let* ((t_1 (+ (/ (* x x) (* y y)) (/ (* z z) (* t_m t_m)))))
(if (<= t_1 INFINITY)
t_1
(/ (/ (fma (* y y) (* (/ z t_m) (/ z t_m)) (* x x)) y) y))))t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
double t_1 = ((x * x) / (y * y)) + ((z * z) / (t_m * t_m));
double tmp;
if (t_1 <= ((double) INFINITY)) {
tmp = t_1;
} else {
tmp = (fma((y * y), ((z / t_m) * (z / t_m)), (x * x)) / y) / y;
}
return tmp;
}
t_m = abs(t) function code(x, y, z, t_m) t_1 = Float64(Float64(Float64(x * x) / Float64(y * y)) + Float64(Float64(z * z) / Float64(t_m * t_m))) tmp = 0.0 if (t_1 <= Inf) tmp = t_1; else tmp = Float64(Float64(fma(Float64(y * y), Float64(Float64(z / t_m) * Float64(z / t_m)), Float64(x * x)) / y) / y); end return tmp end
t_m = N[Abs[t], $MachinePrecision]
code[x_, y_, z_, t$95$m_] := Block[{t$95$1 = N[(N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(N[(z * z), $MachinePrecision] / N[(t$95$m * t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, Infinity], t$95$1, N[(N[(N[(N[(y * y), $MachinePrecision] * N[(N[(z / t$95$m), $MachinePrecision] * N[(z / t$95$m), $MachinePrecision]), $MachinePrecision] + N[(x * x), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision] / y), $MachinePrecision]]]
\begin{array}{l}
t_m = \left|t\right|
\\
\begin{array}{l}
t_1 := \frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t\_m \cdot t\_m}\\
\mathbf{if}\;t\_1 \leq \infty:\\
\;\;\;\;t\_1\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{\mathsf{fma}\left(y \cdot y, \frac{z}{t\_m} \cdot \frac{z}{t\_m}, x \cdot x\right)}{y}}{y}\\
\end{array}
\end{array}
if (+.f64 (/.f64 (*.f64 x x) (*.f64 y y)) (/.f64 (*.f64 z z) (*.f64 t t))) < +inf.0Initial program 85.5%
if +inf.0 < (+.f64 (/.f64 (*.f64 x x) (*.f64 y y)) (/.f64 (*.f64 z z) (*.f64 t t))) Initial program 0.0%
Taylor expanded in y around 0
lower-/.f64N/A
associate-/l*N/A
pow2N/A
associate-/l*N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
lift-*.f6424.3
Applied rewrites24.3%
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-/.f64N/A
associate-/r*N/A
lower-/.f64N/A
Applied rewrites42.9%
t_m = (fabs.f64 t)
(FPCore (x y z t_m)
:precision binary64
(let* ((t_1 (pow (- y) -1.0))
(t_2 (* (/ z t_m) (/ z t_m)))
(t_3 (/ (/ (fma (* y y) t_2 (* x x)) y) y)))
(if (<= x 6.5e-113)
t_3
(if (<= x 1.35e+154) (* (fma t_1 t_1 (/ t_2 (* x x))) (* x x)) t_3))))t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
double t_1 = pow(-y, -1.0);
double t_2 = (z / t_m) * (z / t_m);
double t_3 = (fma((y * y), t_2, (x * x)) / y) / y;
double tmp;
if (x <= 6.5e-113) {
tmp = t_3;
} else if (x <= 1.35e+154) {
tmp = fma(t_1, t_1, (t_2 / (x * x))) * (x * x);
} else {
tmp = t_3;
}
return tmp;
}
t_m = abs(t) function code(x, y, z, t_m) t_1 = Float64(-y) ^ -1.0 t_2 = Float64(Float64(z / t_m) * Float64(z / t_m)) t_3 = Float64(Float64(fma(Float64(y * y), t_2, Float64(x * x)) / y) / y) tmp = 0.0 if (x <= 6.5e-113) tmp = t_3; elseif (x <= 1.35e+154) tmp = Float64(fma(t_1, t_1, Float64(t_2 / Float64(x * x))) * Float64(x * x)); else tmp = t_3; end return tmp end
t_m = N[Abs[t], $MachinePrecision]
code[x_, y_, z_, t$95$m_] := Block[{t$95$1 = N[Power[(-y), -1.0], $MachinePrecision]}, Block[{t$95$2 = N[(N[(z / t$95$m), $MachinePrecision] * N[(z / t$95$m), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[(N[(N[(N[(y * y), $MachinePrecision] * t$95$2 + N[(x * x), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision] / y), $MachinePrecision]}, If[LessEqual[x, 6.5e-113], t$95$3, If[LessEqual[x, 1.35e+154], N[(N[(t$95$1 * t$95$1 + N[(t$95$2 / N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(x * x), $MachinePrecision]), $MachinePrecision], t$95$3]]]]]
\begin{array}{l}
t_m = \left|t\right|
\\
\begin{array}{l}
t_1 := {\left(-y\right)}^{-1}\\
t_2 := \frac{z}{t\_m} \cdot \frac{z}{t\_m}\\
t_3 := \frac{\frac{\mathsf{fma}\left(y \cdot y, t\_2, x \cdot x\right)}{y}}{y}\\
\mathbf{if}\;x \leq 6.5 \cdot 10^{-113}:\\
\;\;\;\;t\_3\\
\mathbf{elif}\;x \leq 1.35 \cdot 10^{+154}:\\
\;\;\;\;\mathsf{fma}\left(t\_1, t\_1, \frac{t\_2}{x \cdot x}\right) \cdot \left(x \cdot x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_3\\
\end{array}
\end{array}
if x < 6.49999999999999979e-113 or 1.35000000000000003e154 < x Initial program 63.4%
Taylor expanded in y around 0
lower-/.f64N/A
associate-/l*N/A
pow2N/A
associate-/l*N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
lift-*.f6452.3
Applied rewrites52.3%
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-/.f64N/A
associate-/r*N/A
lower-/.f64N/A
Applied rewrites63.9%
if 6.49999999999999979e-113 < x < 1.35000000000000003e154Initial program 77.0%
Applied rewrites14.3%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites91.6%
t_m = (fabs.f64 t) (FPCore (x y z t_m) :precision binary64 (/ (/ (fma (* y y) (* (/ z t_m) (/ z t_m)) (* x x)) y) y))
t_m = fabs(t);
double code(double x, double y, double z, double t_m) {
return (fma((y * y), ((z / t_m) * (z / t_m)), (x * x)) / y) / y;
}
t_m = abs(t) function code(x, y, z, t_m) return Float64(Float64(fma(Float64(y * y), Float64(Float64(z / t_m) * Float64(z / t_m)), Float64(x * x)) / y) / y) end
t_m = N[Abs[t], $MachinePrecision] code[x_, y_, z_, t$95$m_] := N[(N[(N[(N[(y * y), $MachinePrecision] * N[(N[(z / t$95$m), $MachinePrecision] * N[(z / t$95$m), $MachinePrecision]), $MachinePrecision] + N[(x * x), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
\frac{\frac{\mathsf{fma}\left(y \cdot y, \frac{z}{t\_m} \cdot \frac{z}{t\_m}, x \cdot x\right)}{y}}{y}
\end{array}
Initial program 66.3%
Taylor expanded in y around 0
lower-/.f64N/A
associate-/l*N/A
pow2N/A
associate-/l*N/A
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
lift-*.f6454.3
Applied rewrites54.3%
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-/.f64N/A
associate-/r*N/A
lower-/.f64N/A
Applied rewrites66.0%
herbie shell --seed 2025093
(FPCore (x y z t)
:name "Graphics.Rasterific.Svg.PathConverter:arcToSegments from rasterific-svg-0.2.3.1"
:precision binary64
(+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))