
(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 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(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}
Sampling outcomes in binary32 precision:
Herbie found 8 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 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(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
(fmax
(+ (pow (* dX.u (floor w)) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0))))
(t_1 (sqrt t_0))
(t_2
(* (* (floor w) (floor h)) (fabs (fma dX.u dY.v (* dX.v (- dY.u)))))))
(log2
(if (> (/ t_0 t_2) (floor maxAniso))
(/ t_1 (floor maxAniso))
(/ t_2 t_1)))))
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 = fmaxf((powf((dX_46_u * floorf(w)), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f)));
float t_1 = sqrtf(t_0);
float t_2 = (floorf(w) * floorf(h)) * fabsf(fmaf(dX_46_u, dY_46_v, (dX_46_v * -dY_46_u)));
float tmp;
if ((t_0 / t_2) > floorf(maxAniso)) {
tmp = t_1 / floorf(maxAniso);
} else {
tmp = t_2 / t_1;
}
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_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) : ((Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) != Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) ? Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) t_1 = sqrt(t_0) t_2 = Float32(Float32(floor(w) * floor(h)) * abs(fma(dX_46_u, dY_46_v, Float32(dX_46_v * Float32(-dY_46_u))))) tmp = Float32(0.0) if (Float32(t_0 / t_2) > floor(maxAniso)) tmp = Float32(t_1 / floor(maxAniso)); else tmp = Float32(t_2 / t_1); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\\
t_1 := \sqrt{t\_0}\\
t_2 := \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot \left|\mathsf{fma}\left(dX.u, dY.v, dX.v \cdot \left(-dY.u\right)\right)\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_0}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_1}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_1}\\
\end{array}
\end{array}
\end{array}
Initial program 76.9%
Applied egg-rr76.9%
Applied egg-rr76.9%
Final simplification76.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* t_0 (* dY.u dY.u)))
(t_2 (pow (floor h) 2.0))
(t_3 (fma dX.v (* dX.v t_2) (* (* dX.u dX.u) t_0)))
(t_4 (fmax t_3 (fma dY.v (* dY.v t_2) t_1)))
(t_5
(fabs (* (floor h) (* (floor w) (fma dX.v (- dY.u) (* dX.u dY.v)))))))
(log2
(if (> (/ t_4 t_5) (floor maxAniso))
(/ (sqrt t_4) (floor maxAniso))
(* t_5 (sqrt (/ 1.0 (fmax t_3 t_1))))))))
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 = powf(floorf(w), 2.0f);
float t_1 = t_0 * (dY_46_u * dY_46_u);
float t_2 = powf(floorf(h), 2.0f);
float t_3 = fmaf(dX_46_v, (dX_46_v * t_2), ((dX_46_u * dX_46_u) * t_0));
float t_4 = fmaxf(t_3, fmaf(dY_46_v, (dY_46_v * t_2), t_1));
float t_5 = fabsf((floorf(h) * (floorf(w) * fmaf(dX_46_v, -dY_46_u, (dX_46_u * dY_46_v)))));
float tmp;
if ((t_4 / t_5) > floorf(maxAniso)) {
tmp = sqrtf(t_4) / floorf(maxAniso);
} else {
tmp = t_5 * sqrtf((1.0f / fmaxf(t_3, t_1)));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(t_0 * Float32(dY_46_u * dY_46_u)) t_2 = floor(h) ^ Float32(2.0) t_3 = fma(dX_46_v, Float32(dX_46_v * t_2), Float32(Float32(dX_46_u * dX_46_u) * t_0)) t_4 = (t_3 != t_3) ? fma(dY_46_v, Float32(dY_46_v * t_2), t_1) : ((fma(dY_46_v, Float32(dY_46_v * t_2), t_1) != fma(dY_46_v, Float32(dY_46_v * t_2), t_1)) ? t_3 : max(t_3, fma(dY_46_v, Float32(dY_46_v * t_2), t_1))) t_5 = abs(Float32(floor(h) * Float32(floor(w) * fma(dX_46_v, Float32(-dY_46_u), Float32(dX_46_u * dY_46_v))))) tmp = Float32(0.0) if (Float32(t_4 / t_5) > floor(maxAniso)) tmp = Float32(sqrt(t_4) / floor(maxAniso)); else tmp = Float32(t_5 * sqrt(Float32(Float32(1.0) / ((t_3 != t_3) ? t_1 : ((t_1 != t_1) ? t_3 : max(t_3, t_1)))))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot \left(dY.u \cdot dY.u\right)\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \mathsf{fma}\left(dX.v, dX.v \cdot t\_2, \left(dX.u \cdot dX.u\right) \cdot t\_0\right)\\
t_4 := \mathsf{max}\left(t\_3, \mathsf{fma}\left(dY.v, dY.v \cdot t\_2, t\_1\right)\right)\\
t_5 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \mathsf{fma}\left(dX.v, -dY.u, dX.u \cdot dY.v\right)\right)\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_4}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_5 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_3, t\_1\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.9%
Taylor expanded in w around 0
Simplified76.9%
Taylor expanded in dY.v around 0
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3276.7
Simplified76.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1
(fabs (* (floor h) (* (floor w) (fma dX.v (- dY.u) (* dX.u dY.v))))))
(t_2 (pow (floor w) 2.0))
(t_3 (fma dY.v (* dY.v t_0) (* t_2 (* dY.u dY.u))))
(t_4 (* (* dX.u dX.u) t_2)))
(log2
(if (> (/ (fmax (* dX.u (* dX.u t_2)) t_3) t_1) (floor maxAniso))
(/ (sqrt (fmax (fma dX.v (* dX.v t_0) t_4) t_3)) (floor maxAniso))
(* t_1 (sqrt (/ 1.0 (fmax t_4 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 = powf(floorf(h), 2.0f);
float t_1 = fabsf((floorf(h) * (floorf(w) * fmaf(dX_46_v, -dY_46_u, (dX_46_u * dY_46_v)))));
float t_2 = powf(floorf(w), 2.0f);
float t_3 = fmaf(dY_46_v, (dY_46_v * t_0), (t_2 * (dY_46_u * dY_46_u)));
float t_4 = (dX_46_u * dX_46_u) * t_2;
float tmp;
if ((fmaxf((dX_46_u * (dX_46_u * t_2)), t_3) / t_1) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(fmaf(dX_46_v, (dX_46_v * t_0), t_4), t_3)) / floorf(maxAniso);
} else {
tmp = t_1 * sqrtf((1.0f / fmaxf(t_4, t_3)));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = abs(Float32(floor(h) * Float32(floor(w) * fma(dX_46_v, Float32(-dY_46_u), Float32(dX_46_u * dY_46_v))))) t_2 = floor(w) ^ Float32(2.0) t_3 = fma(dY_46_v, Float32(dY_46_v * t_0), Float32(t_2 * Float32(dY_46_u * dY_46_u))) t_4 = Float32(Float32(dX_46_u * dX_46_u) * t_2) tmp = Float32(0.0) if (Float32(((Float32(dX_46_u * Float32(dX_46_u * t_2)) != Float32(dX_46_u * Float32(dX_46_u * t_2))) ? t_3 : ((t_3 != t_3) ? Float32(dX_46_u * Float32(dX_46_u * t_2)) : max(Float32(dX_46_u * Float32(dX_46_u * t_2)), t_3))) / t_1) > floor(maxAniso)) tmp = Float32(sqrt(((fma(dX_46_v, Float32(dX_46_v * t_0), t_4) != fma(dX_46_v, Float32(dX_46_v * t_0), t_4)) ? t_3 : ((t_3 != t_3) ? fma(dX_46_v, Float32(dX_46_v * t_0), t_4) : max(fma(dX_46_v, Float32(dX_46_v * t_0), t_4), t_3)))) / floor(maxAniso)); else tmp = Float32(t_1 * sqrt(Float32(Float32(1.0) / ((t_4 != t_4) ? t_3 : ((t_3 != t_3) ? t_4 : max(t_4, t_3)))))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \mathsf{fma}\left(dX.v, -dY.u, dX.u \cdot dY.v\right)\right)\right|\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := \mathsf{fma}\left(dY.v, dY.v \cdot t\_0, t\_2 \cdot \left(dY.u \cdot dY.u\right)\right)\\
t_4 := \left(dX.u \cdot dX.u\right) \cdot t\_2\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(dX.u \cdot \left(dX.u \cdot t\_2\right), t\_3\right)}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(dX.v, dX.v \cdot t\_0, t\_4\right), t\_3\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_4, t\_3\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.9%
Taylor expanded in w around 0
Simplified76.9%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3269.5
Simplified69.5%
Taylor expanded in dX.v around 0
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3270.6
Simplified70.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* dX.u (* dX.u t_0)))
(t_2 (pow (floor h) 2.0))
(t_3 (* (* dX.u dX.u) t_0))
(t_4 (fma dX.v (* dX.v t_2) t_3))
(t_5 (* t_0 (* dY.u dY.u)))
(t_6
(fabs (* (floor h) (* (floor w) (fma dX.v (- dY.u) (* dX.u dY.v))))))
(t_7 (fma dY.v (* dY.v t_2) t_5)))
(if (<= dY.u 50.0)
(log2
(if (> (/ (fmax t_1 (* t_2 (* dY.v dY.v))) t_6) (floor maxAniso))
(/
(pow
(fmax
(+ (pow (* dX.u (floor w)) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
0.5)
(floor maxAniso))
(* t_6 (sqrt (/ 1.0 (fmax t_4 t_7))))))
(log2
(if (> (/ (fmax t_1 t_7) t_6) (floor maxAniso))
(/ (sqrt (fmax t_3 t_7)) (floor maxAniso))
(* t_6 (sqrt (/ 1.0 (fmax t_4 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 = powf(floorf(w), 2.0f);
float t_1 = dX_46_u * (dX_46_u * t_0);
float t_2 = powf(floorf(h), 2.0f);
float t_3 = (dX_46_u * dX_46_u) * t_0;
float t_4 = fmaf(dX_46_v, (dX_46_v * t_2), t_3);
float t_5 = t_0 * (dY_46_u * dY_46_u);
float t_6 = fabsf((floorf(h) * (floorf(w) * fmaf(dX_46_v, -dY_46_u, (dX_46_u * dY_46_v)))));
float t_7 = fmaf(dY_46_v, (dY_46_v * t_2), t_5);
float tmp_1;
if (dY_46_u <= 50.0f) {
float tmp_2;
if ((fmaxf(t_1, (t_2 * (dY_46_v * dY_46_v))) / t_6) > floorf(maxAniso)) {
tmp_2 = powf(fmaxf((powf((dX_46_u * floorf(w)), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f))), 0.5f) / floorf(maxAniso);
} else {
tmp_2 = t_6 * sqrtf((1.0f / fmaxf(t_4, t_7)));
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_1, t_7) / t_6) > floorf(maxAniso)) {
tmp_3 = sqrtf(fmaxf(t_3, t_7)) / floorf(maxAniso);
} else {
tmp_3 = t_6 * sqrtf((1.0f / fmaxf(t_4, t_5)));
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(dX_46_u * Float32(dX_46_u * t_0)) t_2 = floor(h) ^ Float32(2.0) t_3 = Float32(Float32(dX_46_u * dX_46_u) * t_0) t_4 = fma(dX_46_v, Float32(dX_46_v * t_2), t_3) t_5 = Float32(t_0 * Float32(dY_46_u * dY_46_u)) t_6 = abs(Float32(floor(h) * Float32(floor(w) * fma(dX_46_v, Float32(-dY_46_u), Float32(dX_46_u * dY_46_v))))) t_7 = fma(dY_46_v, Float32(dY_46_v * t_2), t_5) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(50.0)) tmp_2 = Float32(0.0) if (Float32(((t_1 != t_1) ? Float32(t_2 * Float32(dY_46_v * dY_46_v)) : ((Float32(t_2 * Float32(dY_46_v * dY_46_v)) != Float32(t_2 * Float32(dY_46_v * dY_46_v))) ? t_1 : max(t_1, Float32(t_2 * Float32(dY_46_v * dY_46_v))))) / t_6) > floor(maxAniso)) tmp_2 = Float32((((Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) : ((Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) != Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) ? Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))))) ^ Float32(0.5)) / floor(maxAniso)); else tmp_2 = Float32(t_6 * sqrt(Float32(Float32(1.0) / ((t_4 != t_4) ? t_7 : ((t_7 != t_7) ? t_4 : max(t_4, t_7)))))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(((t_1 != t_1) ? t_7 : ((t_7 != t_7) ? t_1 : max(t_1, t_7))) / t_6) > floor(maxAniso)) tmp_3 = Float32(sqrt(((t_3 != t_3) ? t_7 : ((t_7 != t_7) ? t_3 : max(t_3, t_7)))) / floor(maxAniso)); else tmp_3 = Float32(t_6 * sqrt(Float32(Float32(1.0) / ((t_4 != t_4) ? t_5 : ((t_5 != t_5) ? t_4 : max(t_4, t_5)))))); end tmp_1 = log2(tmp_3); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := dX.u \cdot \left(dX.u \cdot t\_0\right)\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \left(dX.u \cdot dX.u\right) \cdot t\_0\\
t_4 := \mathsf{fma}\left(dX.v, dX.v \cdot t\_2, t\_3\right)\\
t_5 := t\_0 \cdot \left(dY.u \cdot dY.u\right)\\
t_6 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \mathsf{fma}\left(dX.v, -dY.u, dX.u \cdot dY.v\right)\right)\right|\\
t_7 := \mathsf{fma}\left(dY.v, dY.v \cdot t\_2, t\_5\right)\\
\mathbf{if}\;dY.u \leq 50:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_2 \cdot \left(dY.v \cdot dY.v\right)\right)}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{{\left(\mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\right)}^{0.5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_4, t\_7\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_7\right)}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_3, t\_7\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_4, t\_5\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dY.u < 50Initial program 78.1%
Taylor expanded in w around 0
Simplified78.1%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3268.9
Simplified68.9%
Applied egg-rr68.9%
Taylor expanded in dY.v around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3264.6
Simplified64.6%
if 50 < dY.u Initial program 73.3%
Taylor expanded in w around 0
Simplified73.4%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3271.3
Simplified71.3%
Taylor expanded in dX.v around 0
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3271.3
Simplified71.3%
Taylor expanded in dY.v around 0
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3271.3
Simplified71.3%
Final simplification66.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* dX.u (* dX.u t_0)))
(t_2
(fabs (* (floor h) (* (floor w) (fma dX.v (- dY.u) (* dX.u dY.v))))))
(t_3 (* t_0 (* dY.u dY.u)))
(t_4 (pow (floor h) 2.0))
(t_5 (fma dX.v (* dX.v t_4) (* (* dX.u dX.u) t_0)))
(t_6 (fmax t_5 (fma dY.v (* dY.v t_4) t_3))))
(if (<= dY.u 100000000.0)
(log2
(if (> (/ (fmax t_1 (* t_4 (* dY.v dY.v))) t_2) (floor maxAniso))
(/
(pow
(fmax
(+ (pow (* dX.u (floor w)) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
0.5)
(floor maxAniso))
(* t_2 (sqrt (/ 1.0 t_6)))))
(log2
(if (> (/ (fmax t_1 (* dY.u (* dY.u t_0))) t_2) (floor maxAniso))
(/ (sqrt t_6) (floor maxAniso))
(* t_2 (sqrt (/ 1.0 (fmax t_5 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 = powf(floorf(w), 2.0f);
float t_1 = dX_46_u * (dX_46_u * t_0);
float t_2 = fabsf((floorf(h) * (floorf(w) * fmaf(dX_46_v, -dY_46_u, (dX_46_u * dY_46_v)))));
float t_3 = t_0 * (dY_46_u * dY_46_u);
float t_4 = powf(floorf(h), 2.0f);
float t_5 = fmaf(dX_46_v, (dX_46_v * t_4), ((dX_46_u * dX_46_u) * t_0));
float t_6 = fmaxf(t_5, fmaf(dY_46_v, (dY_46_v * t_4), t_3));
float tmp_1;
if (dY_46_u <= 100000000.0f) {
float tmp_2;
if ((fmaxf(t_1, (t_4 * (dY_46_v * dY_46_v))) / t_2) > floorf(maxAniso)) {
tmp_2 = powf(fmaxf((powf((dX_46_u * floorf(w)), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f))), 0.5f) / floorf(maxAniso);
} else {
tmp_2 = t_2 * sqrtf((1.0f / t_6));
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_1, (dY_46_u * (dY_46_u * t_0))) / t_2) > floorf(maxAniso)) {
tmp_3 = sqrtf(t_6) / floorf(maxAniso);
} else {
tmp_3 = t_2 * sqrtf((1.0f / fmaxf(t_5, t_3)));
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(dX_46_u * Float32(dX_46_u * t_0)) t_2 = abs(Float32(floor(h) * Float32(floor(w) * fma(dX_46_v, Float32(-dY_46_u), Float32(dX_46_u * dY_46_v))))) t_3 = Float32(t_0 * Float32(dY_46_u * dY_46_u)) t_4 = floor(h) ^ Float32(2.0) t_5 = fma(dX_46_v, Float32(dX_46_v * t_4), Float32(Float32(dX_46_u * dX_46_u) * t_0)) t_6 = (t_5 != t_5) ? fma(dY_46_v, Float32(dY_46_v * t_4), t_3) : ((fma(dY_46_v, Float32(dY_46_v * t_4), t_3) != fma(dY_46_v, Float32(dY_46_v * t_4), t_3)) ? t_5 : max(t_5, fma(dY_46_v, Float32(dY_46_v * t_4), t_3))) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(100000000.0)) tmp_2 = Float32(0.0) if (Float32(((t_1 != t_1) ? Float32(t_4 * Float32(dY_46_v * dY_46_v)) : ((Float32(t_4 * Float32(dY_46_v * dY_46_v)) != Float32(t_4 * Float32(dY_46_v * dY_46_v))) ? t_1 : max(t_1, Float32(t_4 * Float32(dY_46_v * dY_46_v))))) / t_2) > floor(maxAniso)) tmp_2 = Float32((((Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) : ((Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) != Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) ? Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))))) ^ Float32(0.5)) / floor(maxAniso)); else tmp_2 = Float32(t_2 * sqrt(Float32(Float32(1.0) / t_6))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(((t_1 != t_1) ? Float32(dY_46_u * Float32(dY_46_u * t_0)) : ((Float32(dY_46_u * Float32(dY_46_u * t_0)) != Float32(dY_46_u * Float32(dY_46_u * t_0))) ? t_1 : max(t_1, Float32(dY_46_u * Float32(dY_46_u * t_0))))) / t_2) > floor(maxAniso)) tmp_3 = Float32(sqrt(t_6) / floor(maxAniso)); else tmp_3 = Float32(t_2 * sqrt(Float32(Float32(1.0) / ((t_5 != t_5) ? t_3 : ((t_3 != t_3) ? t_5 : max(t_5, t_3)))))); end tmp_1 = log2(tmp_3); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := dX.u \cdot \left(dX.u \cdot t\_0\right)\\
t_2 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \mathsf{fma}\left(dX.v, -dY.u, dX.u \cdot dY.v\right)\right)\right|\\
t_3 := t\_0 \cdot \left(dY.u \cdot dY.u\right)\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := \mathsf{fma}\left(dX.v, dX.v \cdot t\_4, \left(dX.u \cdot dX.u\right) \cdot t\_0\right)\\
t_6 := \mathsf{max}\left(t\_5, \mathsf{fma}\left(dY.v, dY.v \cdot t\_4, t\_3\right)\right)\\
\mathbf{if}\;dY.u \leq 100000000:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_4 \cdot \left(dY.v \cdot dY.v\right)\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{{\left(\mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\right)}^{0.5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \sqrt{\frac{1}{t\_6}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, dY.u \cdot \left(dY.u \cdot t\_0\right)\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_6}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_5, t\_3\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dY.u < 1e8Initial program 79.2%
Taylor expanded in w around 0
Simplified79.2%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3270.5
Simplified70.5%
Applied egg-rr70.5%
Taylor expanded in dY.v around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3266.2
Simplified66.2%
if 1e8 < dY.u Initial program 66.7%
Taylor expanded in w around 0
Simplified66.7%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3265.3
Simplified65.3%
Taylor expanded in dY.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3265.1
Simplified65.1%
Taylor expanded in dY.v around 0
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3266.3
Simplified66.3%
Final simplification66.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* dX.u (* dX.u t_0)))
(t_2
(fabs (* (floor h) (* (floor w) (fma dX.v (- dY.u) (* dX.u dY.v))))))
(t_3 (* t_0 (* dY.u dY.u)))
(t_4 (pow (floor h) 2.0))
(t_5 (fma dX.v (* dX.v t_4) (* (* dX.u dX.u) t_0)))
(t_6 (fmax t_5 (fma dY.v (* dY.v t_4) t_3)))
(t_7 (/ (sqrt t_6) (floor maxAniso))))
(if (<= dY.u 100000000.0)
(log2
(if (> (/ (fmax t_1 (* t_4 (* dY.v dY.v))) t_2) (floor maxAniso))
t_7
(* t_2 (sqrt (/ 1.0 t_6)))))
(log2
(if (> (/ (fmax t_1 (* dY.u (* dY.u t_0))) t_2) (floor maxAniso))
t_7
(* t_2 (sqrt (/ 1.0 (fmax t_5 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 = powf(floorf(w), 2.0f);
float t_1 = dX_46_u * (dX_46_u * t_0);
float t_2 = fabsf((floorf(h) * (floorf(w) * fmaf(dX_46_v, -dY_46_u, (dX_46_u * dY_46_v)))));
float t_3 = t_0 * (dY_46_u * dY_46_u);
float t_4 = powf(floorf(h), 2.0f);
float t_5 = fmaf(dX_46_v, (dX_46_v * t_4), ((dX_46_u * dX_46_u) * t_0));
float t_6 = fmaxf(t_5, fmaf(dY_46_v, (dY_46_v * t_4), t_3));
float t_7 = sqrtf(t_6) / floorf(maxAniso);
float tmp_1;
if (dY_46_u <= 100000000.0f) {
float tmp_2;
if ((fmaxf(t_1, (t_4 * (dY_46_v * dY_46_v))) / t_2) > floorf(maxAniso)) {
tmp_2 = t_7;
} else {
tmp_2 = t_2 * sqrtf((1.0f / t_6));
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_1, (dY_46_u * (dY_46_u * t_0))) / t_2) > floorf(maxAniso)) {
tmp_3 = t_7;
} else {
tmp_3 = t_2 * sqrtf((1.0f / fmaxf(t_5, t_3)));
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(dX_46_u * Float32(dX_46_u * t_0)) t_2 = abs(Float32(floor(h) * Float32(floor(w) * fma(dX_46_v, Float32(-dY_46_u), Float32(dX_46_u * dY_46_v))))) t_3 = Float32(t_0 * Float32(dY_46_u * dY_46_u)) t_4 = floor(h) ^ Float32(2.0) t_5 = fma(dX_46_v, Float32(dX_46_v * t_4), Float32(Float32(dX_46_u * dX_46_u) * t_0)) t_6 = (t_5 != t_5) ? fma(dY_46_v, Float32(dY_46_v * t_4), t_3) : ((fma(dY_46_v, Float32(dY_46_v * t_4), t_3) != fma(dY_46_v, Float32(dY_46_v * t_4), t_3)) ? t_5 : max(t_5, fma(dY_46_v, Float32(dY_46_v * t_4), t_3))) t_7 = Float32(sqrt(t_6) / floor(maxAniso)) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(100000000.0)) tmp_2 = Float32(0.0) if (Float32(((t_1 != t_1) ? Float32(t_4 * Float32(dY_46_v * dY_46_v)) : ((Float32(t_4 * Float32(dY_46_v * dY_46_v)) != Float32(t_4 * Float32(dY_46_v * dY_46_v))) ? t_1 : max(t_1, Float32(t_4 * Float32(dY_46_v * dY_46_v))))) / t_2) > floor(maxAniso)) tmp_2 = t_7; else tmp_2 = Float32(t_2 * sqrt(Float32(Float32(1.0) / t_6))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(((t_1 != t_1) ? Float32(dY_46_u * Float32(dY_46_u * t_0)) : ((Float32(dY_46_u * Float32(dY_46_u * t_0)) != Float32(dY_46_u * Float32(dY_46_u * t_0))) ? t_1 : max(t_1, Float32(dY_46_u * Float32(dY_46_u * t_0))))) / t_2) > floor(maxAniso)) tmp_3 = t_7; else tmp_3 = Float32(t_2 * sqrt(Float32(Float32(1.0) / ((t_5 != t_5) ? t_3 : ((t_3 != t_3) ? t_5 : max(t_5, t_3)))))); end tmp_1 = log2(tmp_3); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := dX.u \cdot \left(dX.u \cdot t\_0\right)\\
t_2 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \mathsf{fma}\left(dX.v, -dY.u, dX.u \cdot dY.v\right)\right)\right|\\
t_3 := t\_0 \cdot \left(dY.u \cdot dY.u\right)\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := \mathsf{fma}\left(dX.v, dX.v \cdot t\_4, \left(dX.u \cdot dX.u\right) \cdot t\_0\right)\\
t_6 := \mathsf{max}\left(t\_5, \mathsf{fma}\left(dY.v, dY.v \cdot t\_4, t\_3\right)\right)\\
t_7 := \frac{\sqrt{t\_6}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{if}\;dY.u \leq 100000000:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_4 \cdot \left(dY.v \cdot dY.v\right)\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \sqrt{\frac{1}{t\_6}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, dY.u \cdot \left(dY.u \cdot t\_0\right)\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_5, t\_3\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dY.u < 1e8Initial program 79.2%
Taylor expanded in w around 0
Simplified79.2%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3270.5
Simplified70.5%
Taylor expanded in dY.v around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3266.2
Simplified66.2%
if 1e8 < dY.u Initial program 66.7%
Taylor expanded in w around 0
Simplified66.7%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3265.3
Simplified65.3%
Taylor expanded in dY.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3265.1
Simplified65.1%
Taylor expanded in dY.v around 0
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3266.3
Simplified66.3%
Final simplification66.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs (* (floor h) (* (floor w) (fma dX.v (- dY.u) (* dX.u dY.v))))))
(t_1 (pow (floor h) 2.0))
(t_2 (pow (floor w) 2.0))
(t_3 (fma dX.v (* dX.v t_1) (* (* dX.u dX.u) t_2)))
(t_4 (* t_2 (* dY.u dY.u))))
(log2
(if (>
(/ (fmax (* dX.u (* dX.u t_2)) (* dY.u (* dY.u t_2))) t_0)
(floor maxAniso))
(/ (sqrt (fmax t_3 (fma dY.v (* dY.v t_1) t_4))) (floor maxAniso))
(* t_0 (sqrt (/ 1.0 (fmax t_3 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 = fabsf((floorf(h) * (floorf(w) * fmaf(dX_46_v, -dY_46_u, (dX_46_u * dY_46_v)))));
float t_1 = powf(floorf(h), 2.0f);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = fmaf(dX_46_v, (dX_46_v * t_1), ((dX_46_u * dX_46_u) * t_2));
float t_4 = t_2 * (dY_46_u * dY_46_u);
float tmp;
if ((fmaxf((dX_46_u * (dX_46_u * t_2)), (dY_46_u * (dY_46_u * t_2))) / t_0) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_3, fmaf(dY_46_v, (dY_46_v * t_1), t_4))) / floorf(maxAniso);
} else {
tmp = t_0 * sqrtf((1.0f / fmaxf(t_3, t_4)));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(floor(h) * Float32(floor(w) * fma(dX_46_v, Float32(-dY_46_u), Float32(dX_46_u * dY_46_v))))) t_1 = floor(h) ^ Float32(2.0) t_2 = floor(w) ^ Float32(2.0) t_3 = fma(dX_46_v, Float32(dX_46_v * t_1), Float32(Float32(dX_46_u * dX_46_u) * t_2)) t_4 = Float32(t_2 * Float32(dY_46_u * dY_46_u)) tmp = Float32(0.0) if (Float32(((Float32(dX_46_u * Float32(dX_46_u * t_2)) != Float32(dX_46_u * Float32(dX_46_u * t_2))) ? Float32(dY_46_u * Float32(dY_46_u * t_2)) : ((Float32(dY_46_u * Float32(dY_46_u * t_2)) != Float32(dY_46_u * Float32(dY_46_u * t_2))) ? Float32(dX_46_u * Float32(dX_46_u * t_2)) : max(Float32(dX_46_u * Float32(dX_46_u * t_2)), Float32(dY_46_u * Float32(dY_46_u * t_2))))) / t_0) > floor(maxAniso)) tmp = Float32(sqrt(((t_3 != t_3) ? fma(dY_46_v, Float32(dY_46_v * t_1), t_4) : ((fma(dY_46_v, Float32(dY_46_v * t_1), t_4) != fma(dY_46_v, Float32(dY_46_v * t_1), t_4)) ? t_3 : max(t_3, fma(dY_46_v, Float32(dY_46_v * t_1), t_4))))) / floor(maxAniso)); else tmp = Float32(t_0 * sqrt(Float32(Float32(1.0) / ((t_3 != t_3) ? t_4 : ((t_4 != t_4) ? t_3 : max(t_3, t_4)))))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \mathsf{fma}\left(dX.v, -dY.u, dX.u \cdot dY.v\right)\right)\right|\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := \mathsf{fma}\left(dX.v, dX.v \cdot t\_1, \left(dX.u \cdot dX.u\right) \cdot t\_2\right)\\
t_4 := t\_2 \cdot \left(dY.u \cdot dY.u\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(dX.u \cdot \left(dX.u \cdot t\_2\right), dY.u \cdot \left(dY.u \cdot t\_2\right)\right)}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_3, \mathsf{fma}\left(dY.v, dY.v \cdot t\_1, t\_4\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_3, t\_4\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.9%
Taylor expanded in w around 0
Simplified76.9%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3269.5
Simplified69.5%
Taylor expanded in dY.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3254.2
Simplified54.2%
Taylor expanded in dY.v around 0
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3256.5
Simplified56.5%
Final simplification56.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs (* (floor h) (* (floor w) (fma dX.v (- dY.u) (* dX.u dY.v))))))
(t_1 (pow (floor h) 2.0))
(t_2 (pow (floor w) 2.0))
(t_3 (fma dX.v (* dX.v t_1) (* (* dX.u dX.u) t_2))))
(log2
(if (>
(/ (fmax (* dX.u (* dX.u t_2)) (* dY.u (* dY.u t_2))) t_0)
(floor maxAniso))
(/
(sqrt (fmax t_3 (fma dY.v (* dY.v t_1) (* t_2 (* dY.u dY.u)))))
(floor maxAniso))
(* t_0 (sqrt (/ 1.0 (fmax t_3 (* t_1 (* dY.v dY.v))))))))))
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(h) * (floorf(w) * fmaf(dX_46_v, -dY_46_u, (dX_46_u * dY_46_v)))));
float t_1 = powf(floorf(h), 2.0f);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = fmaf(dX_46_v, (dX_46_v * t_1), ((dX_46_u * dX_46_u) * t_2));
float tmp;
if ((fmaxf((dX_46_u * (dX_46_u * t_2)), (dY_46_u * (dY_46_u * t_2))) / t_0) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_3, fmaf(dY_46_v, (dY_46_v * t_1), (t_2 * (dY_46_u * dY_46_u))))) / floorf(maxAniso);
} else {
tmp = t_0 * sqrtf((1.0f / fmaxf(t_3, (t_1 * (dY_46_v * dY_46_v)))));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(floor(h) * Float32(floor(w) * fma(dX_46_v, Float32(-dY_46_u), Float32(dX_46_u * dY_46_v))))) t_1 = floor(h) ^ Float32(2.0) t_2 = floor(w) ^ Float32(2.0) t_3 = fma(dX_46_v, Float32(dX_46_v * t_1), Float32(Float32(dX_46_u * dX_46_u) * t_2)) tmp = Float32(0.0) if (Float32(((Float32(dX_46_u * Float32(dX_46_u * t_2)) != Float32(dX_46_u * Float32(dX_46_u * t_2))) ? Float32(dY_46_u * Float32(dY_46_u * t_2)) : ((Float32(dY_46_u * Float32(dY_46_u * t_2)) != Float32(dY_46_u * Float32(dY_46_u * t_2))) ? Float32(dX_46_u * Float32(dX_46_u * t_2)) : max(Float32(dX_46_u * Float32(dX_46_u * t_2)), Float32(dY_46_u * Float32(dY_46_u * t_2))))) / t_0) > floor(maxAniso)) tmp = Float32(sqrt(((t_3 != t_3) ? fma(dY_46_v, Float32(dY_46_v * t_1), Float32(t_2 * Float32(dY_46_u * dY_46_u))) : ((fma(dY_46_v, Float32(dY_46_v * t_1), Float32(t_2 * Float32(dY_46_u * dY_46_u))) != fma(dY_46_v, Float32(dY_46_v * t_1), Float32(t_2 * Float32(dY_46_u * dY_46_u)))) ? t_3 : max(t_3, fma(dY_46_v, Float32(dY_46_v * t_1), Float32(t_2 * Float32(dY_46_u * dY_46_u))))))) / floor(maxAniso)); else tmp = Float32(t_0 * sqrt(Float32(Float32(1.0) / ((t_3 != t_3) ? Float32(t_1 * Float32(dY_46_v * dY_46_v)) : ((Float32(t_1 * Float32(dY_46_v * dY_46_v)) != Float32(t_1 * Float32(dY_46_v * dY_46_v))) ? t_3 : max(t_3, Float32(t_1 * Float32(dY_46_v * dY_46_v)))))))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \mathsf{fma}\left(dX.v, -dY.u, dX.u \cdot dY.v\right)\right)\right|\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := \mathsf{fma}\left(dX.v, dX.v \cdot t\_1, \left(dX.u \cdot dX.u\right) \cdot t\_2\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(dX.u \cdot \left(dX.u \cdot t\_2\right), dY.u \cdot \left(dY.u \cdot t\_2\right)\right)}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_3, \mathsf{fma}\left(dY.v, dY.v \cdot t\_1, t\_2 \cdot \left(dY.u \cdot dY.u\right)\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_3, t\_1 \cdot \left(dY.v \cdot dY.v\right)\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.9%
Taylor expanded in w around 0
Simplified76.9%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3269.5
Simplified69.5%
Taylor expanded in dY.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3254.2
Simplified54.2%
Taylor expanded in dY.v around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3254.0
Simplified54.0%
Final simplification54.0%
herbie shell --seed 2024208
(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)))))))))