
(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 6 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 (* (floor w) dX.u))
(t_1 (pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(t_2
(fabs (* (- (* dX.u dY.v) (* dX.v dY.u)) (* (floor h) (floor w)))))
(t_3 (* (floor h) dX.v)))
(log2
(if (> (/ (fmax (pow (hypot t_3 t_0) 2.0) t_1) t_2) (floor maxAniso))
(/
(sqrt
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(fma
(floor w)
(* (floor w) (* dY.u dY.u))
(* (floor h) (* (floor h) (* dY.v dY.v))))))
(floor maxAniso))
(* t_2 (pow (fmax (pow (hypot t_0 t_3) 2.0) t_1) -0.5))))))
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(w) * dX_46_u;
float t_1 = powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f);
float t_2 = fabsf((((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)) * (floorf(h) * floorf(w))));
float t_3 = floorf(h) * dX_46_v;
float tmp;
if ((fmaxf(powf(hypotf(t_3, t_0), 2.0f), t_1) / t_2) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), fmaf(floorf(w), (floorf(w) * (dY_46_u * dY_46_u)), (floorf(h) * (floorf(h) * (dY_46_v * dY_46_v)))))) / floorf(maxAniso);
} else {
tmp = t_2 * powf(fmaxf(powf(hypotf(t_0, t_3), 2.0f), t_1), -0.5f);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_2 = abs(Float32(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) * Float32(floor(h) * floor(w)))) t_3 = Float32(floor(h) * dX_46_v) tmp = Float32(0.0) if (Float32((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), t_1))) / t_2) > floor(maxAniso)) tmp = Float32(sqrt(((fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v))))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) / floor(maxAniso)); else tmp = Float32(t_2 * ((((hypot(t_0, t_3) ^ Float32(2.0)) != (hypot(t_0, t_3) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(t_0, t_3) ^ Float32(2.0)) : max((hypot(t_0, t_3) ^ Float32(2.0)), t_1))) ^ Float32(-0.5))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := {\left(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_2 := \left|\left(dX.u \cdot dY.v - dX.v \cdot dY.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}, t\_1\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloor w\right\rfloor , \left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\right), \mathsf{fma}\left(\left\lfloor w\right\rfloor , \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot dY.u\right), \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot {\left(\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_0, t\_3\right)\right)}^{2}, t\_1\right)\right)}^{-0.5}\\
\end{array}
\end{array}
\end{array}
Initial program 75.7%
Simplified75.7%
Applied egg-rr75.7%
Applied egg-rr75.7%
un-div-inv75.7%
Applied egg-rr75.7%
Final simplification75.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor w) dY.u))
(t_4 (fmax (pow (hypot t_2 t_0) 2.0) (pow (hypot t_1 t_3) 2.0))))
(log2
(if (>
(/ t_4 (fabs (* (floor w) (* (floor h) (* dX.u dY.v)))))
(floor maxAniso))
(/
(sqrt (fmax (+ (* t_2 t_2) (* t_0 t_0)) (+ (* t_3 t_3) (* t_1 t_1))))
(floor maxAniso))
(/
(* (- (* dX.u dY.v) (* dX.v dY.u)) (* (floor h) (floor w)))
(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 = floorf(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(w) * dY_46_u;
float t_4 = fmaxf(powf(hypotf(t_2, t_0), 2.0f), powf(hypotf(t_1, t_3), 2.0f));
float tmp;
if ((t_4 / fabsf((floorf(w) * (floorf(h) * (dX_46_u * dY_46_v))))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((t_2 * t_2) + (t_0 * t_0)), ((t_3 * t_3) + (t_1 * t_1)))) / floorf(maxAniso);
} else {
tmp = (((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)) * (floorf(h) * floorf(w))) / 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(floor(h) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(w) * dY_46_u) t_4 = ((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? (hypot(t_1, t_3) ^ Float32(2.0)) : (((hypot(t_1, t_3) ^ Float32(2.0)) != (hypot(t_1, t_3) ^ Float32(2.0))) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), (hypot(t_1, t_3) ^ Float32(2.0)))) tmp = Float32(0.0) if (Float32(t_4 / abs(Float32(floor(w) * Float32(floor(h) * Float32(dX_46_u * dY_46_v))))) > floor(maxAniso)) tmp = Float32(sqrt(((Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) != Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0))) ? Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) : ((Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) != Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1))) ? Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) : max(Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)), Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)))))) / floor(maxAniso)); else tmp = Float32(Float32(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) * Float32(floor(h) * floor(w))) / sqrt(t_4)); 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(h) * dY_46_v; t_2 = floor(w) * dX_46_u; t_3 = floor(w) * dY_46_u; t_4 = max((hypot(t_2, t_0) ^ single(2.0)), (hypot(t_1, t_3) ^ single(2.0))); tmp = single(0.0); if ((t_4 / abs((floor(w) * (floor(h) * (dX_46_u * dY_46_v))))) > floor(maxAniso)) tmp = sqrt(max(((t_2 * t_2) + (t_0 * t_0)), ((t_3 * t_3) + (t_1 * t_1)))) / floor(maxAniso); else tmp = (((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)) * (floor(h) * floor(w))) / sqrt(t_4); 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 h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := \mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_1, t\_3\right)\right)}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v\right)\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_2 \cdot t\_2 + t\_0 \cdot t\_0, t\_3 \cdot t\_3 + t\_1 \cdot t\_1\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left(dX.u \cdot dY.v - dX.v \cdot dY.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)}{\sqrt{t\_4}}\\
\end{array}
\end{array}
\end{array}
Initial program 75.7%
Taylor expanded in dX.u around inf 75.0%
associate-*r*75.0%
*-commutative75.0%
associate-*r*75.0%
Simplified75.0%
*-un-lft-identity75.0%
associate-*l*75.0%
associate-*l*75.0%
Applied egg-rr75.0%
Simplified74.6%
Taylor expanded in w around 0 74.6%
Simplified74.6%
Final simplification74.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor h) (floor w)))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor h) dX.v))
(t_4 (pow (hypot t_0 t_3) 2.0))
(t_5 (* (floor w) dY.u))
(t_6 (pow (hypot t_2 t_5) 2.0))
(t_7 (/ (sqrt (fmax (pow (hypot t_3 t_0) 2.0) t_6)) (floor maxAniso)))
(t_8 (fmax t_4 t_6))
(t_9 (* dY.v (* (sqrt (/ 1.0 t_8)) (* dX.u t_1)))))
(if (<= dY.u 1.999999936531045e-19)
(log2 (if (> (/ t_8 (* dX.v (* dY.u (- t_1)))) (floor maxAniso)) t_7 t_9))
(log2
(if (>
(/
1.0
(*
(* (floor w) t_2)
(/ dX.u (fmax t_4 (pow (hypot t_5 t_2) 2.0)))))
(floor maxAniso))
t_7
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 = floorf(w) * dX_46_u;
float t_1 = floorf(h) * floorf(w);
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(h) * dX_46_v;
float t_4 = powf(hypotf(t_0, t_3), 2.0f);
float t_5 = floorf(w) * dY_46_u;
float t_6 = powf(hypotf(t_2, t_5), 2.0f);
float t_7 = sqrtf(fmaxf(powf(hypotf(t_3, t_0), 2.0f), t_6)) / floorf(maxAniso);
float t_8 = fmaxf(t_4, t_6);
float t_9 = dY_46_v * (sqrtf((1.0f / t_8)) * (dX_46_u * t_1));
float tmp_1;
if (dY_46_u <= 1.999999936531045e-19f) {
float tmp_2;
if ((t_8 / (dX_46_v * (dY_46_u * -t_1))) > floorf(maxAniso)) {
tmp_2 = t_7;
} else {
tmp_2 = t_9;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((1.0f / ((floorf(w) * t_2) * (dX_46_u / fmaxf(t_4, powf(hypotf(t_5, t_2), 2.0f))))) > floorf(maxAniso)) {
tmp_3 = t_7;
} else {
tmp_3 = t_9;
}
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 = Float32(floor(w) * dX_46_u) t_1 = Float32(floor(h) * floor(w)) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(h) * dX_46_v) t_4 = hypot(t_0, t_3) ^ Float32(2.0) t_5 = Float32(floor(w) * dY_46_u) t_6 = hypot(t_2, t_5) ^ Float32(2.0) t_7 = Float32(sqrt((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? t_6 : ((t_6 != t_6) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), t_6)))) / floor(maxAniso)) t_8 = (t_4 != t_4) ? t_6 : ((t_6 != t_6) ? t_4 : max(t_4, t_6)) t_9 = Float32(dY_46_v * Float32(sqrt(Float32(Float32(1.0) / t_8)) * Float32(dX_46_u * t_1))) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(1.999999936531045e-19)) tmp_2 = Float32(0.0) if (Float32(t_8 / Float32(dX_46_v * Float32(dY_46_u * Float32(-t_1)))) > floor(maxAniso)) tmp_2 = t_7; else tmp_2 = t_9; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(Float32(1.0) / Float32(Float32(floor(w) * t_2) * Float32(dX_46_u / ((t_4 != t_4) ? (hypot(t_5, t_2) ^ Float32(2.0)) : (((hypot(t_5, t_2) ^ Float32(2.0)) != (hypot(t_5, t_2) ^ Float32(2.0))) ? t_4 : max(t_4, (hypot(t_5, t_2) ^ Float32(2.0)))))))) > floor(maxAniso)) tmp_3 = t_7; else tmp_3 = t_9; end tmp_1 = log2(tmp_3); end return tmp_1 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = floor(h) * floor(w); t_2 = floor(h) * dY_46_v; t_3 = floor(h) * dX_46_v; t_4 = hypot(t_0, t_3) ^ single(2.0); t_5 = floor(w) * dY_46_u; t_6 = hypot(t_2, t_5) ^ single(2.0); t_7 = sqrt(max((hypot(t_3, t_0) ^ single(2.0)), t_6)) / floor(maxAniso); t_8 = max(t_4, t_6); t_9 = dY_46_v * (sqrt((single(1.0) / t_8)) * (dX_46_u * t_1)); tmp_2 = single(0.0); if (dY_46_u <= single(1.999999936531045e-19)) tmp_3 = single(0.0); if ((t_8 / (dX_46_v * (dY_46_u * -t_1))) > floor(maxAniso)) tmp_3 = t_7; else tmp_3 = t_9; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((single(1.0) / ((floor(w) * t_2) * (dX_46_u / max(t_4, (hypot(t_5, t_2) ^ single(2.0)))))) > floor(maxAniso)) tmp_4 = t_7; else tmp_4 = t_9; end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := {\left(\mathsf{hypot}\left(t\_0, t\_3\right)\right)}^{2}\\
t_5 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_6 := {\left(\mathsf{hypot}\left(t\_2, t\_5\right)\right)}^{2}\\
t_7 := \frac{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}, t\_6\right)}}{\left\lfloor maxAniso\right\rfloor }\\
t_8 := \mathsf{max}\left(t\_4, t\_6\right)\\
t_9 := dY.v \cdot \left(\sqrt{\frac{1}{t\_8}} \cdot \left(dX.u \cdot t\_1\right)\right)\\
\mathbf{if}\;dY.u \leq 1.999999936531045 \cdot 10^{-19}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_8}{dX.v \cdot \left(dY.u \cdot \left(-t\_1\right)\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{1}{\left(\left\lfloor w\right\rfloor \cdot t\_2\right) \cdot \frac{dX.u}{\mathsf{max}\left(t\_4, {\left(\mathsf{hypot}\left(t\_5, t\_2\right)\right)}^{2}\right)}} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}\\
\end{array}
\end{array}
if dY.u < 1.99999994e-19Initial program 75.2%
Applied egg-rr75.2%
Simplified40.8%
Taylor expanded in dX.u around inf 40.4%
Simplified40.4%
Taylor expanded in dX.v around inf 41.0%
Simplified41.0%
if 1.99999994e-19 < dY.u Initial program 76.1%
Applied egg-rr76.1%
Simplified36.2%
Taylor expanded in dX.u around inf 37.0%
Simplified37.0%
Applied egg-rr37.0%
unpow-137.0%
associate-/l*37.1%
*-commutative37.1%
*-commutative37.1%
Simplified37.1%
Taylor expanded in dX.u around inf 43.9%
Simplified44.0%
Final simplification42.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor h) (floor w)))
(t_2 (* (floor h) dX.v))
(t_3 (pow (hypot t_0 t_2) 2.0))
(t_4 (* (floor h) dY.v))
(t_5 (* (floor w) dY.u))
(t_6 (fmax t_3 (pow (hypot t_5 t_4) 2.0)))
(t_7 (pow (hypot t_4 t_5) 2.0))
(t_8 (fmax t_3 t_7)))
(if (<= dY.u 1.999999936531045e-19)
(log2
(if (> (/ t_8 (* dX.v (* dY.u (- t_1)))) (floor maxAniso))
(/ (sqrt (fmax (pow (hypot t_2 t_0) 2.0) t_7)) (floor maxAniso))
(* dY.v (* (sqrt (/ 1.0 t_8)) (* dX.u t_1)))))
(log2
(if (> (/ t_6 (* dX.u (* (floor w) t_4))) (floor maxAniso))
(/ (sqrt t_6) (floor maxAniso))
(* dY.v (* (pow t_6 -0.5) (* (floor w) (* (floor h) dX.u)))))))))
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(w) * dX_46_u;
float t_1 = floorf(h) * floorf(w);
float t_2 = floorf(h) * dX_46_v;
float t_3 = powf(hypotf(t_0, t_2), 2.0f);
float t_4 = floorf(h) * dY_46_v;
float t_5 = floorf(w) * dY_46_u;
float t_6 = fmaxf(t_3, powf(hypotf(t_5, t_4), 2.0f));
float t_7 = powf(hypotf(t_4, t_5), 2.0f);
float t_8 = fmaxf(t_3, t_7);
float tmp_1;
if (dY_46_u <= 1.999999936531045e-19f) {
float tmp_2;
if ((t_8 / (dX_46_v * (dY_46_u * -t_1))) > floorf(maxAniso)) {
tmp_2 = sqrtf(fmaxf(powf(hypotf(t_2, t_0), 2.0f), t_7)) / floorf(maxAniso);
} else {
tmp_2 = dY_46_v * (sqrtf((1.0f / t_8)) * (dX_46_u * t_1));
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((t_6 / (dX_46_u * (floorf(w) * t_4))) > floorf(maxAniso)) {
tmp_3 = sqrtf(t_6) / floorf(maxAniso);
} else {
tmp_3 = dY_46_v * (powf(t_6, -0.5f) * (floorf(w) * (floorf(h) * dX_46_u)));
}
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 = Float32(floor(w) * dX_46_u) t_1 = Float32(floor(h) * floor(w)) t_2 = Float32(floor(h) * dX_46_v) t_3 = hypot(t_0, t_2) ^ Float32(2.0) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(floor(w) * dY_46_u) t_6 = (t_3 != t_3) ? (hypot(t_5, t_4) ^ Float32(2.0)) : (((hypot(t_5, t_4) ^ Float32(2.0)) != (hypot(t_5, t_4) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_5, t_4) ^ Float32(2.0)))) t_7 = hypot(t_4, t_5) ^ Float32(2.0) t_8 = (t_3 != t_3) ? t_7 : ((t_7 != t_7) ? t_3 : max(t_3, t_7)) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(1.999999936531045e-19)) tmp_2 = Float32(0.0) if (Float32(t_8 / Float32(dX_46_v * Float32(dY_46_u * Float32(-t_1)))) > floor(maxAniso)) tmp_2 = Float32(sqrt((((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? t_7 : ((t_7 != t_7) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), t_7)))) / floor(maxAniso)); else tmp_2 = Float32(dY_46_v * Float32(sqrt(Float32(Float32(1.0) / t_8)) * Float32(dX_46_u * t_1))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(t_6 / Float32(dX_46_u * Float32(floor(w) * t_4))) > floor(maxAniso)) tmp_3 = Float32(sqrt(t_6) / floor(maxAniso)); else tmp_3 = Float32(dY_46_v * Float32((t_6 ^ Float32(-0.5)) * Float32(floor(w) * Float32(floor(h) * dX_46_u)))); end tmp_1 = log2(tmp_3); end return tmp_1 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = floor(h) * floor(w); t_2 = floor(h) * dX_46_v; t_3 = hypot(t_0, t_2) ^ single(2.0); t_4 = floor(h) * dY_46_v; t_5 = floor(w) * dY_46_u; t_6 = max(t_3, (hypot(t_5, t_4) ^ single(2.0))); t_7 = hypot(t_4, t_5) ^ single(2.0); t_8 = max(t_3, t_7); tmp_2 = single(0.0); if (dY_46_u <= single(1.999999936531045e-19)) tmp_3 = single(0.0); if ((t_8 / (dX_46_v * (dY_46_u * -t_1))) > floor(maxAniso)) tmp_3 = sqrt(max((hypot(t_2, t_0) ^ single(2.0)), t_7)) / floor(maxAniso); else tmp_3 = dY_46_v * (sqrt((single(1.0) / t_8)) * (dX_46_u * t_1)); end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((t_6 / (dX_46_u * (floor(w) * t_4))) > floor(maxAniso)) tmp_4 = sqrt(t_6) / floor(maxAniso); else tmp_4 = dY_46_v * ((t_6 ^ single(-0.5)) * (floor(w) * (floor(h) * dX_46_u))); end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := {\left(\mathsf{hypot}\left(t\_0, t\_2\right)\right)}^{2}\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_6 := \mathsf{max}\left(t\_3, {\left(\mathsf{hypot}\left(t\_5, t\_4\right)\right)}^{2}\right)\\
t_7 := {\left(\mathsf{hypot}\left(t\_4, t\_5\right)\right)}^{2}\\
t_8 := \mathsf{max}\left(t\_3, t\_7\right)\\
\mathbf{if}\;dY.u \leq 1.999999936531045 \cdot 10^{-19}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_8}{dX.v \cdot \left(dY.u \cdot \left(-t\_1\right)\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}, t\_7\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \left(\sqrt{\frac{1}{t\_8}} \cdot \left(dX.u \cdot t\_1\right)\right)\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_6}{dX.u \cdot \left(\left\lfloor w\right\rfloor \cdot t\_4\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_6}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \left({t\_6}^{-0.5} \cdot \left(\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right)\right)\\
\end{array}\\
\end{array}
\end{array}
if dY.u < 1.99999994e-19Initial program 75.2%
Applied egg-rr75.2%
Simplified40.8%
Taylor expanded in dX.u around inf 40.4%
Simplified40.4%
Taylor expanded in dX.v around inf 41.0%
Simplified41.0%
if 1.99999994e-19 < dY.u Initial program 76.1%
Applied egg-rr76.1%
Simplified36.2%
Taylor expanded in dX.v around 0 44.7%
Simplified44.7%
Taylor expanded in dX.u around inf 43.9%
Simplified43.9%
Applied egg-rr43.9%
Simplified43.9%
Final simplification42.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(t_2 (* (floor w) dX.u))
(t_3 (sqrt (fmax (pow (hypot t_0 t_2) 2.0) t_1))))
(log2
(if (>
(/
(fmax (pow (hypot t_2 t_0) 2.0) t_1)
(* (floor w) (* (floor h) (* dX.u dY.v))))
(floor maxAniso))
(/ t_3 (floor maxAniso))
(/ (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))) 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 = floorf(h) * dX_46_v;
float t_1 = powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f);
float t_2 = floorf(w) * dX_46_u;
float t_3 = sqrtf(fmaxf(powf(hypotf(t_0, t_2), 2.0f), t_1));
float tmp;
if ((fmaxf(powf(hypotf(t_2, t_0), 2.0f), t_1) / (floorf(w) * (floorf(h) * (dX_46_u * dY_46_v)))) > floorf(maxAniso)) {
tmp = t_3 / floorf(maxAniso);
} else {
tmp = (floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))) / 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(floor(h) * dX_46_v) t_1 = hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_2 = Float32(floor(w) * dX_46_u) t_3 = sqrt((((hypot(t_0, t_2) ^ Float32(2.0)) != (hypot(t_0, t_2) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(t_0, t_2) ^ Float32(2.0)) : max((hypot(t_0, t_2) ^ Float32(2.0)), t_1)))) tmp = Float32(0.0) if (Float32((((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), t_1))) / Float32(floor(w) * Float32(floor(h) * Float32(dX_46_u * dY_46_v)))) > floor(maxAniso)) tmp = Float32(t_3 / floor(maxAniso)); else tmp = Float32(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)))) / t_3); 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 = hypot((floor(h) * dY_46_v), (floor(w) * dY_46_u)) ^ single(2.0); t_2 = floor(w) * dX_46_u; t_3 = sqrt(max((hypot(t_0, t_2) ^ single(2.0)), t_1)); tmp = single(0.0); if ((max((hypot(t_2, t_0) ^ single(2.0)), t_1) / (floor(w) * (floor(h) * (dX_46_u * dY_46_v)))) > floor(maxAniso)) tmp = t_3 / floor(maxAniso); else tmp = (floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))) / t_3; 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(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_0, t\_2\right)\right)}^{2}, t\_1\right)}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}, t\_1\right)}{\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v\right)\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)}{t\_3}\\
\end{array}
\end{array}
\end{array}
Initial program 75.7%
Applied egg-rr75.7%
Simplified38.4%
Taylor expanded in dX.v around 0 40.6%
Simplified40.6%
Final simplification40.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1
(fmax
(pow (hypot (* (floor w) dX.u) (* (floor h) dX.v)) 2.0)
(pow (hypot (* (floor w) dY.u) t_0) 2.0))))
(log2
(if (> (/ t_1 (* dX.u (* (floor w) t_0))) (floor maxAniso))
(/ (sqrt t_1) (floor maxAniso))
(* dY.v (* (pow t_1 -0.5) (* (floor w) (* (floor h) dX.u))))))))
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) * dY_46_v;
float t_1 = fmaxf(powf(hypotf((floorf(w) * dX_46_u), (floorf(h) * dX_46_v)), 2.0f), powf(hypotf((floorf(w) * dY_46_u), t_0), 2.0f));
float tmp;
if ((t_1 / (dX_46_u * (floorf(w) * t_0))) > floorf(maxAniso)) {
tmp = sqrtf(t_1) / floorf(maxAniso);
} else {
tmp = dY_46_v * (powf(t_1, -0.5f) * (floorf(w) * (floorf(h) * dX_46_u)));
}
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) * dY_46_v) t_1 = ((hypot(Float32(floor(w) * dX_46_u), Float32(floor(h) * dX_46_v)) ^ Float32(2.0)) != (hypot(Float32(floor(w) * dX_46_u), Float32(floor(h) * dX_46_v)) ^ Float32(2.0))) ? (hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0)) : (((hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0)) != (hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0))) ? (hypot(Float32(floor(w) * dX_46_u), Float32(floor(h) * dX_46_v)) ^ Float32(2.0)) : max((hypot(Float32(floor(w) * dX_46_u), Float32(floor(h) * dX_46_v)) ^ Float32(2.0)), (hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0)))) tmp = Float32(0.0) if (Float32(t_1 / Float32(dX_46_u * Float32(floor(w) * t_0))) > floor(maxAniso)) tmp = Float32(sqrt(t_1) / floor(maxAniso)); else tmp = Float32(dY_46_v * Float32((t_1 ^ Float32(-0.5)) * Float32(floor(w) * Float32(floor(h) * dX_46_u)))); 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) * dY_46_v; t_1 = max((hypot((floor(w) * dX_46_u), (floor(h) * dX_46_v)) ^ single(2.0)), (hypot((floor(w) * dY_46_u), t_0) ^ single(2.0))); tmp = single(0.0); if ((t_1 / (dX_46_u * (floor(w) * t_0))) > floor(maxAniso)) tmp = sqrt(t_1) / floor(maxAniso); else tmp = dY_46_v * ((t_1 ^ single(-0.5)) * (floor(w) * (floor(h) * dX_46_u))); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := \mathsf{max}\left({\left(\mathsf{hypot}\left(\left\lfloor w\right\rfloor \cdot dX.u, \left\lfloor h\right\rfloor \cdot dX.v\right)\right)}^{2}, {\left(\mathsf{hypot}\left(\left\lfloor w\right\rfloor \cdot dY.u, t\_0\right)\right)}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_1}{dX.u \cdot \left(\left\lfloor w\right\rfloor \cdot t\_0\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_1}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \left({t\_1}^{-0.5} \cdot \left(\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right)\right)\\
\end{array}
\end{array}
\end{array}
Initial program 75.7%
Applied egg-rr75.7%
Simplified38.4%
Taylor expanded in dX.v around 0 40.6%
Simplified40.6%
Taylor expanded in dX.u around inf 39.1%
Simplified39.2%
Applied egg-rr39.2%
Simplified39.2%
Final simplification39.2%
herbie shell --seed 2024165
(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)))))))))