
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
Herbie found 11 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs
(-
(* (* (floor w) dX.u) (* (floor h) dY.v))
(* (* (floor h) dX.v) (* (floor w) dY.u)))))
(t_1
(fmax
(fma
(* (* dX.v (floor h)) dX.v)
(floor h)
(* (* (* dX.u (floor w)) dX.u) (floor w)))
(fma
(* (* dY.u (floor w)) dY.u)
(floor w)
(* (* (* dY.v (floor h)) dY.v) (floor h)))))
(t_2 (sqrt t_1)))
(log2
(if (> (/ t_1 t_0) (floor maxAniso))
(/ t_2 (floor maxAniso))
(/ t_0 t_2)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf((((floorf(w) * dX_46_u) * (floorf(h) * dY_46_v)) - ((floorf(h) * dX_46_v) * (floorf(w) * dY_46_u))));
float t_1 = fmaxf(fmaf(((dX_46_v * floorf(h)) * dX_46_v), floorf(h), (((dX_46_u * floorf(w)) * dX_46_u) * floorf(w))), fmaf(((dY_46_u * floorf(w)) * dY_46_u), floorf(w), (((dY_46_v * floorf(h)) * dY_46_v) * floorf(h))));
float t_2 = sqrtf(t_1);
float tmp;
if ((t_1 / t_0) > floorf(maxAniso)) {
tmp = t_2 / floorf(maxAniso);
} else {
tmp = t_0 / t_2;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(Float32(Float32(floor(w) * dX_46_u) * Float32(floor(h) * dY_46_v)) - Float32(Float32(floor(h) * dX_46_v) * Float32(floor(w) * dY_46_u)))) t_1 = fmax(fma(Float32(Float32(dX_46_v * floor(h)) * dX_46_v), floor(h), Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w))), fma(Float32(Float32(dY_46_u * floor(w)) * dY_46_u), floor(w), Float32(Float32(Float32(dY_46_v * floor(h)) * dY_46_v) * floor(h)))) t_2 = sqrt(t_1) tmp = Float32(0.0) if (Float32(t_1 / t_0) > floor(maxAniso)) tmp = Float32(t_2 / floor(maxAniso)); else tmp = Float32(t_0 / t_2); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left(\left\lfloor w\right\rfloor \cdot dX.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot dY.v\right) - \left(\left\lfloor h\right\rfloor \cdot dX.v\right) \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\right|\\
t_1 := \mathsf{max}\left(\mathsf{fma}\left(\left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, \left\lfloor h\right\rfloor , \left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right), \mathsf{fma}\left(\left(dY.u \cdot \left\lfloor w\right\rfloor \right) \cdot dY.u, \left\lfloor w\right\rfloor , \left(\left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right)\right)\\
t_2 := \sqrt{t\_1}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_1}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_2}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_2}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
Applied rewrites76.7%
Applied rewrites76.7%
Applied rewrites76.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.v (floor h)))
(t_1 (fabs (* (floor w) (fma (* (floor h) dX.v) dY.u (* t_0 dX.u)))))
(t_2
(fmax
(fma
(* (* (floor w) (floor w)) dX.u)
dX.u
(* (* dX.v dX.v) (* (floor h) (floor h))))
(fma
(* t_0 dY.v)
(floor h)
(* (* (* dY.u (floor w)) dY.u) (floor w)))))
(t_3 (sqrt t_2)))
(log2
(if (> (/ t_2 t_1) (floor maxAniso))
(/ t_3 (floor maxAniso))
(/ t_1 t_3)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dY_46_v * floorf(h);
float t_1 = fabsf((floorf(w) * fmaf((floorf(h) * dX_46_v), dY_46_u, (t_0 * dX_46_u))));
float t_2 = fmaxf(fmaf(((floorf(w) * floorf(w)) * dX_46_u), dX_46_u, ((dX_46_v * dX_46_v) * (floorf(h) * floorf(h)))), fmaf((t_0 * dY_46_v), floorf(h), (((dY_46_u * floorf(w)) * dY_46_u) * floorf(w))));
float t_3 = sqrtf(t_2);
float tmp;
if ((t_2 / t_1) > floorf(maxAniso)) {
tmp = t_3 / floorf(maxAniso);
} else {
tmp = t_1 / t_3;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_v * floor(h)) t_1 = abs(Float32(floor(w) * fma(Float32(floor(h) * dX_46_v), dY_46_u, Float32(t_0 * dX_46_u)))) t_2 = fmax(fma(Float32(Float32(floor(w) * floor(w)) * dX_46_u), dX_46_u, Float32(Float32(dX_46_v * dX_46_v) * Float32(floor(h) * floor(h)))), fma(Float32(t_0 * dY_46_v), floor(h), Float32(Float32(Float32(dY_46_u * floor(w)) * dY_46_u) * floor(w)))) t_3 = sqrt(t_2) tmp = Float32(0.0) if (Float32(t_2 / t_1) > floor(maxAniso)) tmp = Float32(t_3 / floor(maxAniso)); else tmp = Float32(t_1 / t_3); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \left|\left\lfloor w\right\rfloor \cdot \mathsf{fma}\left(\left\lfloor h\right\rfloor \cdot dX.v, dY.u, t\_0 \cdot dX.u\right)\right|\\
t_2 := \mathsf{max}\left(\mathsf{fma}\left(\left(\left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u, dX.u, \left(dX.v \cdot dX.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right), \mathsf{fma}\left(t\_0 \cdot dY.v, \left\lfloor h\right\rfloor , \left(\left(dY.u \cdot \left\lfloor w\right\rfloor \right) \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\right)\\
t_3 := \sqrt{t\_2}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{t\_3}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3264.9
Applied rewrites64.9%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3262.5
Applied rewrites62.5%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3266.1
Applied rewrites66.1%
Applied rewrites66.1%
Applied rewrites66.0%
Applied rewrites76.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (* (* (* dY.u (floor h)) (floor w)) (- dX.v)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf((((dY_46_u * floorf(h)) * floorf(w)) * -dX_46_v));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(Float32(dY_46_u * floor(h)) * floor(w)) * Float32(-dX_46_v))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs((((dY_46_u * floor(h)) * floor(w)) * -dX_46_v)); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|\left(\left(dY.u \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right) \cdot \left(-dX.v\right)\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
lift-*.f32N/A
mul-1-negN/A
lift-*.f32N/A
*-commutativeN/A
distribute-rgt-neg-inN/A
lower-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-neg.f3275.8
Applied rewrites75.8%
lift-*.f32N/A
mul-1-negN/A
lift-*.f32N/A
*-commutativeN/A
distribute-rgt-neg-inN/A
lower-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-neg.f3275.8
Applied rewrites75.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (fabs (* (* (* dY.u (floor h)) (floor w)) (- dX.v))))
(t_1
(fmax
(fma
(* (* dX.v (floor h)) dX.v)
(floor h)
(* (* (* dX.u (floor w)) dX.u) (floor w)))
(fma
(* (* dY.v (floor h)) dY.v)
(floor h)
(* (* (* dY.u (floor w)) dY.u) (floor w)))))
(t_2 (sqrt t_1)))
(log2
(if (> (/ t_1 t_0) (floor maxAniso))
(/ t_2 (floor maxAniso))
(/ t_0 t_2)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf((((dY_46_u * floorf(h)) * floorf(w)) * -dX_46_v));
float t_1 = fmaxf(fmaf(((dX_46_v * floorf(h)) * dX_46_v), floorf(h), (((dX_46_u * floorf(w)) * dX_46_u) * floorf(w))), fmaf(((dY_46_v * floorf(h)) * dY_46_v), floorf(h), (((dY_46_u * floorf(w)) * dY_46_u) * floorf(w))));
float t_2 = sqrtf(t_1);
float tmp;
if ((t_1 / t_0) > floorf(maxAniso)) {
tmp = t_2 / floorf(maxAniso);
} else {
tmp = t_0 / t_2;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(Float32(Float32(dY_46_u * floor(h)) * floor(w)) * Float32(-dX_46_v))) t_1 = fmax(fma(Float32(Float32(dX_46_v * floor(h)) * dX_46_v), floor(h), Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w))), fma(Float32(Float32(dY_46_v * floor(h)) * dY_46_v), floor(h), Float32(Float32(Float32(dY_46_u * floor(w)) * dY_46_u) * floor(w)))) t_2 = sqrt(t_1) tmp = Float32(0.0) if (Float32(t_1 / t_0) > floor(maxAniso)) tmp = Float32(t_2 / floor(maxAniso)); else tmp = Float32(t_0 / t_2); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left(\left(dY.u \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right) \cdot \left(-dX.v\right)\right|\\
t_1 := \mathsf{max}\left(\mathsf{fma}\left(\left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, \left\lfloor h\right\rfloor , \left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right), \mathsf{fma}\left(\left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v, \left\lfloor h\right\rfloor , \left(\left(dY.u \cdot \left\lfloor w\right\rfloor \right) \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\right)\\
t_2 := \sqrt{t\_1}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_1}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_2}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_2}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f3275.8
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f3275.8
Applied rewrites75.8%
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f3275.8
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f3275.8
Applied rewrites75.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (- dX.v) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (* dY.v (floor h)))
(t_3 (* dY.u (floor w)))
(t_4
(fmax
(fma
(* (* dX.v (floor h)) dX.v)
(floor h)
(* (* (* dX.u (floor w)) dX.u) (floor w)))
(fma (* t_2 dY.v) (floor h) (* (* t_3 dY.u) (floor w))))))
(log2
(if (> (/ t_4 (fabs (* t_0 (* (floor h) (floor w))))) (floor maxAniso))
(/ (sqrt t_4) (floor maxAniso))
(/
(fabs (* (* (floor w) (floor h)) t_0))
(sqrt
(fmax
(fma (* (* (floor h) (floor h)) dX.v) dX.v (* t_1 t_1))
(* (fma dY.u (floor w) t_2) (- t_3 t_2)))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = -dX_46_v * dY_46_u;
float t_1 = floorf(w) * dX_46_u;
float t_2 = dY_46_v * floorf(h);
float t_3 = dY_46_u * floorf(w);
float t_4 = fmaxf(fmaf(((dX_46_v * floorf(h)) * dX_46_v), floorf(h), (((dX_46_u * floorf(w)) * dX_46_u) * floorf(w))), fmaf((t_2 * dY_46_v), floorf(h), ((t_3 * dY_46_u) * floorf(w))));
float tmp;
if ((t_4 / fabsf((t_0 * (floorf(h) * floorf(w))))) > floorf(maxAniso)) {
tmp = sqrtf(t_4) / floorf(maxAniso);
} else {
tmp = fabsf(((floorf(w) * floorf(h)) * t_0)) / sqrtf(fmaxf(fmaf(((floorf(h) * floorf(h)) * dX_46_v), dX_46_v, (t_1 * t_1)), (fmaf(dY_46_u, floorf(w), t_2) * (t_3 - t_2))));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(Float32(-dX_46_v) * dY_46_u) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(dY_46_v * floor(h)) t_3 = Float32(dY_46_u * floor(w)) t_4 = fmax(fma(Float32(Float32(dX_46_v * floor(h)) * dX_46_v), floor(h), Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w))), fma(Float32(t_2 * dY_46_v), floor(h), Float32(Float32(t_3 * dY_46_u) * floor(w)))) tmp = Float32(0.0) if (Float32(t_4 / abs(Float32(t_0 * Float32(floor(h) * floor(w))))) > floor(maxAniso)) tmp = Float32(sqrt(t_4) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(floor(w) * floor(h)) * t_0)) / sqrt(fmax(fma(Float32(Float32(floor(h) * floor(h)) * dX_46_v), dX_46_v, Float32(t_1 * t_1)), Float32(fma(dY_46_u, floor(w), t_2) * Float32(t_3 - t_2))))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(-dX.v\right) \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_3 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_4 := \mathsf{max}\left(\mathsf{fma}\left(\left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, \left\lfloor h\right\rfloor , \left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right), \mathsf{fma}\left(t\_2 \cdot dY.v, \left\lfloor h\right\rfloor , \left(t\_3 \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{\left|t\_0 \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_4}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot t\_0\right|}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left(\left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, dX.v, t\_1 \cdot t\_1\right), \mathsf{fma}\left(dY.u, \left\lfloor w\right\rfloor , t\_2\right) \cdot \left(t\_3 - t\_2\right)\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
Applied rewrites75.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (fabs (* (* (- dX.v) dY.u) (* (floor h) (floor w)))))
(t_1 (* (floor w) dX.u))
(t_2 (fabs (* (* (floor h) dX.v) (* (- dY.u) (floor w)))))
(t_3 (* dY.v (floor h)))
(t_4 (fma dY.u (floor w) t_3))
(t_5 (* dY.u (floor w)))
(t_6 (* (floor h) (floor h)))
(t_7 (fmax (fma (* t_6 dX.v) dX.v (* t_1 t_1)) (* t_4 (- t_5 t_3))))
(t_8 (sqrt t_7))
(t_9
(log2
(if (> (/ t_7 t_0) (floor maxAniso))
(/ t_8 (floor maxAniso))
(/ t_0 t_8))))
(t_10
(fmax
(fma (* (* (floor w) (floor w)) dX.u) dX.u (* (* dX.v dX.v) t_6))
(* (- t_3 t_5) t_4)))
(t_11 (sqrt t_10)))
(if (<= dY.u -20.5)
t_9
(if (<= dY.u 99999997952.0)
(log2
(if (> (/ t_10 t_2) (floor maxAniso))
(/ t_11 (floor maxAniso))
(/ t_2 t_11)))
t_9))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf(((-dX_46_v * dY_46_u) * (floorf(h) * floorf(w))));
float t_1 = floorf(w) * dX_46_u;
float t_2 = fabsf(((floorf(h) * dX_46_v) * (-dY_46_u * floorf(w))));
float t_3 = dY_46_v * floorf(h);
float t_4 = fmaf(dY_46_u, floorf(w), t_3);
float t_5 = dY_46_u * floorf(w);
float t_6 = floorf(h) * floorf(h);
float t_7 = fmaxf(fmaf((t_6 * dX_46_v), dX_46_v, (t_1 * t_1)), (t_4 * (t_5 - t_3)));
float t_8 = sqrtf(t_7);
float tmp;
if ((t_7 / t_0) > floorf(maxAniso)) {
tmp = t_8 / floorf(maxAniso);
} else {
tmp = t_0 / t_8;
}
float t_9 = log2f(tmp);
float t_10 = fmaxf(fmaf(((floorf(w) * floorf(w)) * dX_46_u), dX_46_u, ((dX_46_v * dX_46_v) * t_6)), ((t_3 - t_5) * t_4));
float t_11 = sqrtf(t_10);
float tmp_1;
if (dY_46_u <= -20.5f) {
tmp_1 = t_9;
} else if (dY_46_u <= 99999997952.0f) {
float tmp_2;
if ((t_10 / t_2) > floorf(maxAniso)) {
tmp_2 = t_11 / floorf(maxAniso);
} else {
tmp_2 = t_2 / t_11;
}
tmp_1 = log2f(tmp_2);
} else {
tmp_1 = t_9;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(Float32(Float32(-dX_46_v) * dY_46_u) * Float32(floor(h) * floor(w)))) t_1 = Float32(floor(w) * dX_46_u) t_2 = abs(Float32(Float32(floor(h) * dX_46_v) * Float32(Float32(-dY_46_u) * floor(w)))) t_3 = Float32(dY_46_v * floor(h)) t_4 = fma(dY_46_u, floor(w), t_3) t_5 = Float32(dY_46_u * floor(w)) t_6 = Float32(floor(h) * floor(h)) t_7 = fmax(fma(Float32(t_6 * dX_46_v), dX_46_v, Float32(t_1 * t_1)), Float32(t_4 * Float32(t_5 - t_3))) t_8 = sqrt(t_7) tmp = Float32(0.0) if (Float32(t_7 / t_0) > floor(maxAniso)) tmp = Float32(t_8 / floor(maxAniso)); else tmp = Float32(t_0 / t_8); end t_9 = log2(tmp) t_10 = fmax(fma(Float32(Float32(floor(w) * floor(w)) * dX_46_u), dX_46_u, Float32(Float32(dX_46_v * dX_46_v) * t_6)), Float32(Float32(t_3 - t_5) * t_4)) t_11 = sqrt(t_10) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-20.5)) tmp_1 = t_9; elseif (dY_46_u <= Float32(99999997952.0)) tmp_2 = Float32(0.0) if (Float32(t_10 / t_2) > floor(maxAniso)) tmp_2 = Float32(t_11 / floor(maxAniso)); else tmp_2 = Float32(t_2 / t_11); end tmp_1 = log2(tmp_2); else tmp_1 = t_9; end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left(\left(-dX.v\right) \cdot dY.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := \left|\left(\left\lfloor h\right\rfloor \cdot dX.v\right) \cdot \left(\left(-dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\right|\\
t_3 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_4 := \mathsf{fma}\left(dY.u, \left\lfloor w\right\rfloor , t\_3\right)\\
t_5 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_6 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_7 := \mathsf{max}\left(\mathsf{fma}\left(t\_6 \cdot dX.v, dX.v, t\_1 \cdot t\_1\right), t\_4 \cdot \left(t\_5 - t\_3\right)\right)\\
t_8 := \sqrt{t\_7}\\
t_9 := \log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_7}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_8}\\
\end{array}\\
t_10 := \mathsf{max}\left(\mathsf{fma}\left(\left(\left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u, dX.u, \left(dX.v \cdot dX.v\right) \cdot t\_6\right), \left(t\_3 - t\_5\right) \cdot t\_4\right)\\
t_11 := \sqrt{t\_10}\\
\mathbf{if}\;dY.u \leq -20.5:\\
\;\;\;\;t\_9\\
\mathbf{elif}\;dY.u \leq 99999997952:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_10}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_11}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_11}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
if dY.u < -20.5 or 99999998000 < dY.u Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
Applied rewrites71.1%
Applied rewrites61.3%
Applied rewrites62.4%
if -20.5 < dY.u < 99999998000Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
Applied rewrites64.4%
Applied rewrites61.1%
Applied rewrites64.5%
Applied rewrites64.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.u (floor w)))
(t_1 (fabs (* (* (- dX.v) dY.u) (* (floor h) (floor w)))))
(t_2 (* (floor w) dX.u))
(t_3 (* dY.v (floor h)))
(t_4
(fmax
(fma
(* (* dX.v (floor h)) dX.v)
(floor h)
(* (* (* dX.u (floor w)) dX.u) (floor w)))
(* (fma dY.v (floor h) t_0) (- t_3 t_0))))
(t_5
(fmax
(fma (* (* (floor h) (floor h)) dX.v) dX.v (* t_2 t_2))
(* (fma dY.u (floor w) t_3) (- t_0 t_3))))
(t_6 (sqrt t_5))
(t_7
(log2
(if (> (/ t_5 t_1) (floor maxAniso))
(/ t_6 (floor maxAniso))
(/ t_1 t_6))))
(t_8 (sqrt t_4)))
(if (<= dY.u -20.5)
t_7
(if (<= dY.u 99999997952.0)
(log2
(if (> (/ t_4 t_1) (floor maxAniso))
(/ t_8 (floor maxAniso))
(/ t_1 t_8)))
t_7))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dY_46_u * floorf(w);
float t_1 = fabsf(((-dX_46_v * dY_46_u) * (floorf(h) * floorf(w))));
float t_2 = floorf(w) * dX_46_u;
float t_3 = dY_46_v * floorf(h);
float t_4 = fmaxf(fmaf(((dX_46_v * floorf(h)) * dX_46_v), floorf(h), (((dX_46_u * floorf(w)) * dX_46_u) * floorf(w))), (fmaf(dY_46_v, floorf(h), t_0) * (t_3 - t_0)));
float t_5 = fmaxf(fmaf(((floorf(h) * floorf(h)) * dX_46_v), dX_46_v, (t_2 * t_2)), (fmaf(dY_46_u, floorf(w), t_3) * (t_0 - t_3)));
float t_6 = sqrtf(t_5);
float tmp;
if ((t_5 / t_1) > floorf(maxAniso)) {
tmp = t_6 / floorf(maxAniso);
} else {
tmp = t_1 / t_6;
}
float t_7 = log2f(tmp);
float t_8 = sqrtf(t_4);
float tmp_1;
if (dY_46_u <= -20.5f) {
tmp_1 = t_7;
} else if (dY_46_u <= 99999997952.0f) {
float tmp_2;
if ((t_4 / t_1) > floorf(maxAniso)) {
tmp_2 = t_8 / floorf(maxAniso);
} else {
tmp_2 = t_1 / t_8;
}
tmp_1 = log2f(tmp_2);
} else {
tmp_1 = t_7;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_u * floor(w)) t_1 = abs(Float32(Float32(Float32(-dX_46_v) * dY_46_u) * Float32(floor(h) * floor(w)))) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(dY_46_v * floor(h)) t_4 = fmax(fma(Float32(Float32(dX_46_v * floor(h)) * dX_46_v), floor(h), Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w))), Float32(fma(dY_46_v, floor(h), t_0) * Float32(t_3 - t_0))) t_5 = fmax(fma(Float32(Float32(floor(h) * floor(h)) * dX_46_v), dX_46_v, Float32(t_2 * t_2)), Float32(fma(dY_46_u, floor(w), t_3) * Float32(t_0 - t_3))) t_6 = sqrt(t_5) tmp = Float32(0.0) if (Float32(t_5 / t_1) > floor(maxAniso)) tmp = Float32(t_6 / floor(maxAniso)); else tmp = Float32(t_1 / t_6); end t_7 = log2(tmp) t_8 = sqrt(t_4) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-20.5)) tmp_1 = t_7; elseif (dY_46_u <= Float32(99999997952.0)) tmp_2 = Float32(0.0) if (Float32(t_4 / t_1) > floor(maxAniso)) tmp_2 = Float32(t_8 / floor(maxAniso)); else tmp_2 = Float32(t_1 / t_8); end tmp_1 = log2(tmp_2); else tmp_1 = t_7; end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_1 := \left|\left(\left(-dX.v\right) \cdot dY.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_4 := \mathsf{max}\left(\mathsf{fma}\left(\left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, \left\lfloor h\right\rfloor , \left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right), \mathsf{fma}\left(dY.v, \left\lfloor h\right\rfloor , t\_0\right) \cdot \left(t\_3 - t\_0\right)\right)\\
t_5 := \mathsf{max}\left(\mathsf{fma}\left(\left(\left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, dX.v, t\_2 \cdot t\_2\right), \mathsf{fma}\left(dY.u, \left\lfloor w\right\rfloor , t\_3\right) \cdot \left(t\_0 - t\_3\right)\right)\\
t_6 := \sqrt{t\_5}\\
t_7 := \log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_5}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_6}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{t\_6}\\
\end{array}\\
t_8 := \sqrt{t\_4}\\
\mathbf{if}\;dY.u \leq -20.5:\\
\;\;\;\;t\_7\\
\mathbf{elif}\;dY.u \leq 99999997952:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{t\_8}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}
\end{array}
if dY.u < -20.5 or 99999998000 < dY.u Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
Applied rewrites71.1%
Applied rewrites61.3%
Applied rewrites62.4%
if -20.5 < dY.u < 99999998000Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
Applied rewrites64.4%
Applied rewrites61.1%
Applied rewrites64.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (fabs (* (* (- dX.v) dY.u) (* (floor h) (floor w)))))
(t_1 (* dY.u (floor w)))
(t_2
(fmax
(fma
(* (* dX.v (floor h)) dX.v)
(floor h)
(* (* (* dX.u (floor w)) dX.u) (floor w)))
(* (fma dY.v (floor h) t_1) (- (* dY.v (floor h)) t_1))))
(t_3 (sqrt t_2)))
(log2
(if (> (/ t_2 t_0) (floor maxAniso))
(/ t_3 (floor maxAniso))
(/ t_0 t_3)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf(((-dX_46_v * dY_46_u) * (floorf(h) * floorf(w))));
float t_1 = dY_46_u * floorf(w);
float t_2 = fmaxf(fmaf(((dX_46_v * floorf(h)) * dX_46_v), floorf(h), (((dX_46_u * floorf(w)) * dX_46_u) * floorf(w))), (fmaf(dY_46_v, floorf(h), t_1) * ((dY_46_v * floorf(h)) - t_1)));
float t_3 = sqrtf(t_2);
float tmp;
if ((t_2 / t_0) > floorf(maxAniso)) {
tmp = t_3 / floorf(maxAniso);
} else {
tmp = t_0 / t_3;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(Float32(Float32(-dX_46_v) * dY_46_u) * Float32(floor(h) * floor(w)))) t_1 = Float32(dY_46_u * floor(w)) t_2 = fmax(fma(Float32(Float32(dX_46_v * floor(h)) * dX_46_v), floor(h), Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w))), Float32(fma(dY_46_v, floor(h), t_1) * Float32(Float32(dY_46_v * floor(h)) - t_1))) t_3 = sqrt(t_2) tmp = Float32(0.0) if (Float32(t_2 / t_0) > floor(maxAniso)) tmp = Float32(t_3 / floor(maxAniso)); else tmp = Float32(t_0 / t_3); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left(\left(-dX.v\right) \cdot dY.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|\\
t_1 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_2 := \mathsf{max}\left(\mathsf{fma}\left(\left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, \left\lfloor h\right\rfloor , \left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right), \mathsf{fma}\left(dY.v, \left\lfloor h\right\rfloor , t\_1\right) \cdot \left(dY.v \cdot \left\lfloor h\right\rfloor - t\_1\right)\right)\\
t_3 := \sqrt{t\_2}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
Applied rewrites64.4%
Applied rewrites61.1%
Applied rewrites64.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.v (floor h)))
(t_1 (fabs (* (* (- dX.v) dY.u) (* (floor h) (floor w)))))
(t_2 (* dY.u (floor w)))
(t_3 (- t_0 t_2))
(t_4
(fmax
(fma
(* (* dX.v (floor h)) dX.v)
(floor h)
(* (* (* dX.u (floor w)) dX.u) (floor w)))
(* (fma dY.v (floor h) t_2) t_3))))
(log2
(if (> (/ t_4 t_1) (floor maxAniso))
(/
1.0
(/
(/
(floor maxAniso)
(sqrt
(fmax
(fma
(* (* (floor w) (floor w)) dX.u)
dX.u
(* (* dX.v dX.v) (* (floor h) (floor h))))
(* t_3 (fma dY.u (floor w) t_0)))))
1.0))
(/ t_1 (sqrt t_4))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dY_46_v * floorf(h);
float t_1 = fabsf(((-dX_46_v * dY_46_u) * (floorf(h) * floorf(w))));
float t_2 = dY_46_u * floorf(w);
float t_3 = t_0 - t_2;
float t_4 = fmaxf(fmaf(((dX_46_v * floorf(h)) * dX_46_v), floorf(h), (((dX_46_u * floorf(w)) * dX_46_u) * floorf(w))), (fmaf(dY_46_v, floorf(h), t_2) * t_3));
float tmp;
if ((t_4 / t_1) > floorf(maxAniso)) {
tmp = 1.0f / ((floorf(maxAniso) / sqrtf(fmaxf(fmaf(((floorf(w) * floorf(w)) * dX_46_u), dX_46_u, ((dX_46_v * dX_46_v) * (floorf(h) * floorf(h)))), (t_3 * fmaf(dY_46_u, floorf(w), t_0))))) / 1.0f);
} else {
tmp = t_1 / sqrtf(t_4);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_v * floor(h)) t_1 = abs(Float32(Float32(Float32(-dX_46_v) * dY_46_u) * Float32(floor(h) * floor(w)))) t_2 = Float32(dY_46_u * floor(w)) t_3 = Float32(t_0 - t_2) t_4 = fmax(fma(Float32(Float32(dX_46_v * floor(h)) * dX_46_v), floor(h), Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w))), Float32(fma(dY_46_v, floor(h), t_2) * t_3)) tmp = Float32(0.0) if (Float32(t_4 / t_1) > floor(maxAniso)) tmp = Float32(Float32(1.0) / Float32(Float32(floor(maxAniso) / sqrt(fmax(fma(Float32(Float32(floor(w) * floor(w)) * dX_46_u), dX_46_u, Float32(Float32(dX_46_v * dX_46_v) * Float32(floor(h) * floor(h)))), Float32(t_3 * fma(dY_46_u, floor(w), t_0))))) / Float32(1.0))); else tmp = Float32(t_1 / sqrt(t_4)); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \left|\left(\left(-dX.v\right) \cdot dY.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|\\
t_2 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_3 := t\_0 - t\_2\\
t_4 := \mathsf{max}\left(\mathsf{fma}\left(\left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, \left\lfloor h\right\rfloor , \left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right), \mathsf{fma}\left(dY.v, \left\lfloor h\right\rfloor , t\_2\right) \cdot t\_3\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{1}{\frac{\frac{\left\lfloor maxAniso\right\rfloor }{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left(\left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u, dX.u, \left(dX.v \cdot dX.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right), t\_3 \cdot \mathsf{fma}\left(dY.u, \left\lfloor w\right\rfloor , t\_0\right)\right)}}}{1}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{t\_4}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
Applied rewrites64.4%
Applied rewrites61.1%
Applied rewrites64.5%
Applied rewrites64.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (fabs (* (* (- dX.v) dY.u) (* (floor h) (floor w)))))
(t_1 (* dY.u (floor w)))
(t_2
(fmax
(fma
(* (* dX.v (floor h)) dX.v)
(floor h)
(* (* (* dX.u (floor w)) dX.u) (floor w)))
(* (fma dY.v (floor h) t_1) (* -1.0 t_1))))
(t_3 (sqrt t_2)))
(log2
(if (> (/ t_2 t_0) (floor maxAniso))
(/ t_3 (floor maxAniso))
(/ t_0 t_3)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf(((-dX_46_v * dY_46_u) * (floorf(h) * floorf(w))));
float t_1 = dY_46_u * floorf(w);
float t_2 = fmaxf(fmaf(((dX_46_v * floorf(h)) * dX_46_v), floorf(h), (((dX_46_u * floorf(w)) * dX_46_u) * floorf(w))), (fmaf(dY_46_v, floorf(h), t_1) * (-1.0f * t_1)));
float t_3 = sqrtf(t_2);
float tmp;
if ((t_2 / t_0) > floorf(maxAniso)) {
tmp = t_3 / floorf(maxAniso);
} else {
tmp = t_0 / t_3;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(Float32(Float32(-dX_46_v) * dY_46_u) * Float32(floor(h) * floor(w)))) t_1 = Float32(dY_46_u * floor(w)) t_2 = fmax(fma(Float32(Float32(dX_46_v * floor(h)) * dX_46_v), floor(h), Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w))), Float32(fma(dY_46_v, floor(h), t_1) * Float32(Float32(-1.0) * t_1))) t_3 = sqrt(t_2) tmp = Float32(0.0) if (Float32(t_2 / t_0) > floor(maxAniso)) tmp = Float32(t_3 / floor(maxAniso)); else tmp = Float32(t_0 / t_3); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left(\left(-dX.v\right) \cdot dY.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|\\
t_1 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_2 := \mathsf{max}\left(\mathsf{fma}\left(\left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v, \left\lfloor h\right\rfloor , \left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right), \mathsf{fma}\left(dY.v, \left\lfloor h\right\rfloor , t\_1\right) \cdot \left(-1 \cdot t\_1\right)\right)\\
t_3 := \sqrt{t\_2}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Taylor expanded in dX.u around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3275.8
Applied rewrites75.8%
Applied rewrites75.8%
Applied rewrites64.4%
Applied rewrites61.1%
Applied rewrites64.5%
Taylor expanded in dY.u around inf
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f3262.3
Applied rewrites62.3%
Taylor expanded in dY.u around inf
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f3252.2
Applied rewrites52.2%
Taylor expanded in dY.u around inf
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f3252.8
Applied rewrites52.8%
herbie shell --seed 2025150
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (LOD)"
:precision binary32
:pre (and (and (and (and (and (and (and (<= 1.0 w) (<= w 16384.0)) (and (<= 1.0 h) (<= h 16384.0))) (and (<= 1e-20 (fabs dX.u)) (<= (fabs dX.u) 1e+20))) (and (<= 1e-20 (fabs dX.v)) (<= (fabs dX.v) 1e+20))) (and (<= 1e-20 (fabs dY.u)) (<= (fabs dY.u) 1e+20))) (and (<= 1e-20 (fabs dY.v)) (<= (fabs dY.v) 1e+20))) (== maxAniso 16.0))
(log2 (if (> (/ (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))) (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u))))) (floor maxAniso)) (/ (sqrt (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v))))) (floor maxAniso)) (/ (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u)))) (sqrt (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))))))))