
(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 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_1
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0)))))
(log2
(if (> (/ t_1 (fabs (* (floor h) (* (floor w) t_0)))) (floor maxAniso))
(/ (pow t_1 0.5) (floor maxAniso))
(* (fabs t_0) (/ (* (floor w) (floor h)) (sqrt 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 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_1 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f)));
float tmp;
if ((t_1 / fabsf((floorf(h) * (floorf(w) * t_0)))) > floorf(maxAniso)) {
tmp = powf(t_1, 0.5f) / floorf(maxAniso);
} else {
tmp = fabsf(t_0) * ((floorf(w) * floorf(h)) / sqrtf(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 * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_1 = (Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) : ((Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))))) tmp = Float32(0.0) if (Float32(t_1 / abs(Float32(floor(h) * Float32(floor(w) * t_0)))) > floor(maxAniso)) tmp = Float32((t_1 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(abs(t_0) * Float32(Float32(floor(w) * floor(h)) / sqrt(t_1))); 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 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_1 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), (((floor(w) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)))); tmp = single(0.0); if ((t_1 / abs((floor(h) * (floor(w) * t_0)))) > floor(maxAniso)) tmp = (t_1 ^ single(0.5)) / floor(maxAniso); else tmp = abs(t_0) * ((floor(w) * floor(h)) / sqrt(t_1)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_1 := \mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_1}{\left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot t\_0\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{{t\_1}^{0.5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\left|t\_0\right| \cdot \frac{\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor }{\sqrt{t\_1}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.5%
Simplified79.5%
Applied egg-rr79.5%
Applied egg-rr79.5%
unpow1/2N/A
sqrt-lowering-sqrt.f32N/A
unpow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
fmax-lowering-fmax.f32N/A
Applied egg-rr79.5%
Final simplification79.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0))))
(t_1
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(log2
(if (> (/ t_0 t_1) (floor maxAniso))
(/ (exp (* 2.0 (* (log t_0) 0.25))) (floor maxAniso))
(/ t_1 (sqrt t_0))))))
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((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f)));
float t_1 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp;
if ((t_0 / t_1) > floorf(maxAniso)) {
tmp = expf((2.0f * (logf(t_0) * 0.25f))) / floorf(maxAniso);
} else {
tmp = t_1 / sqrtf(t_0);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) : ((Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))))) t_1 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) tmp = Float32(0.0) if (Float32(t_0 / t_1) > floor(maxAniso)) tmp = Float32(exp(Float32(Float32(2.0) * Float32(log(t_0) * Float32(0.25)))) / floor(maxAniso)); else tmp = Float32(t_1 / sqrt(t_0)); 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 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), (((floor(w) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)))); t_1 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp = single(0.0); if ((t_0 / t_1) > floor(maxAniso)) tmp = exp((single(2.0) * (log(t_0) * single(0.25)))) / floor(maxAniso); else tmp = t_1 / sqrt(t_0); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\right)\\
t_1 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_0}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{e^{2 \cdot \left(\log t\_0 \cdot 0.25\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{t\_0}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.5%
Simplified79.5%
Applied egg-rr79.5%
Applied egg-rr78.9%
unpow1/2N/A
sqrt-lowering-sqrt.f32N/A
unpow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
fmax-lowering-fmax.f32N/A
Applied egg-rr78.9%
Final simplification78.9%
(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
(+ (pow t_3 2.0) (pow t_0 2.0))
(+ (pow t_1 2.0) (pow t_2 2.0)))))
(log2
(if (> (/ t_4 (* (floor w) (* dX.u t_2))) (floor maxAniso))
(/
(sqrt
(fmax
(+ (* (floor w) (* dX.u t_3)) (* (floor h) (* dX.v t_0)))
(+ (* (floor w) (* dY.u t_1)) (* (floor h) (* dY.v t_2)))))
(floor maxAniso))
(/
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(pow (pow t_4 0.25) 2.0))))))
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((powf(t_3, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_2, 2.0f)));
float tmp;
if ((t_4 / (floorf(w) * (dX_46_u * t_2))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((floorf(w) * (dX_46_u * t_3)) + (floorf(h) * (dX_46_v * t_0))), ((floorf(w) * (dY_46_u * t_1)) + (floorf(h) * (dY_46_v * t_2))))) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / powf(powf(t_4, 0.25f), 2.0f);
}
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((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))) tmp = Float32(0.0) if (Float32(t_4 / Float32(floor(w) * Float32(dX_46_u * t_2))) > floor(maxAniso)) tmp = Float32(sqrt(((Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0))) != Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0)))) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_2))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_2))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_2)))) ? Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0))) : max(Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0))), Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_2))))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) / ((t_4 ^ Float32(0.25)) ^ Float32(2.0))); 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 ^ single(2.0)) + (t_0 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_2 ^ single(2.0)))); tmp = single(0.0); if ((t_4 / (floor(w) * (dX_46_u * t_2))) > floor(maxAniso)) tmp = sqrt(max(((floor(w) * (dX_46_u * t_3)) + (floor(h) * (dX_46_v * t_0))), ((floor(w) * (dY_46_u * t_1)) + (floor(h) * (dY_46_v * t_2))))) / floor(maxAniso); else tmp = abs((floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / ((t_4 ^ single(0.25)) ^ single(2.0)); 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}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_2}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot t\_2\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot t\_3\right) + \left\lfloor h\right\rfloor \cdot \left(dX.v \cdot t\_0\right), \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_1\right) + \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_2\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\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)\right|}{{\left({t\_4}^{0.25}\right)}^{2}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.5%
Simplified79.5%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f3279.2%
Simplified79.2%
Applied egg-rr46.9%
Applied egg-rr46.9%
(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 (+ (* (floor w) (* dX.u t_3)) (* (floor h) (* dX.v t_0))))
(t_5 (* (floor h) (* dY.v t_2))))
(log2
(if (>
(/
(fmax
(+ (pow t_3 2.0) (pow t_0 2.0))
(+ (pow t_1 2.0) (pow t_2 2.0)))
(* (floor w) (* dX.u t_2)))
(floor maxAniso))
(/ (sqrt (fmax t_4 (+ (* (floor w) (* dY.u t_1)) t_5))) (floor maxAniso))
(/
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(sqrt (fmax t_4 (+ t_5 (* dY.u (* dY.u (pow (floor w) 2.0)))))))))))
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 = (floorf(w) * (dX_46_u * t_3)) + (floorf(h) * (dX_46_v * t_0));
float t_5 = floorf(h) * (dY_46_v * t_2);
float tmp;
if ((fmaxf((powf(t_3, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_2, 2.0f))) / (floorf(w) * (dX_46_u * t_2))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_4, ((floorf(w) * (dY_46_u * t_1)) + t_5))) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / sqrtf(fmaxf(t_4, (t_5 + (dY_46_u * (dY_46_u * powf(floorf(w), 2.0f))))));
}
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(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0))) t_5 = Float32(floor(h) * Float32(dY_46_v * t_2)) tmp = Float32(0.0) if (Float32(((Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))))) / Float32(floor(w) * Float32(dX_46_u * t_2))) > floor(maxAniso)) tmp = Float32(sqrt(((t_4 != t_4) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + t_5) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + t_5) != Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + t_5)) ? t_4 : max(t_4, Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + t_5))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) / sqrt(((t_4 != t_4) ? Float32(t_5 + Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0))))) : ((Float32(t_5 + Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0))))) != Float32(t_5 + Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))))) ? t_4 : max(t_4, Float32(t_5 + Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))))))))); 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 = (floor(w) * (dX_46_u * t_3)) + (floor(h) * (dX_46_v * t_0)); t_5 = floor(h) * (dY_46_v * t_2); tmp = single(0.0); if ((max(((t_3 ^ single(2.0)) + (t_0 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_2 ^ single(2.0)))) / (floor(w) * (dX_46_u * t_2))) > floor(maxAniso)) tmp = sqrt(max(t_4, ((floor(w) * (dY_46_u * t_1)) + t_5))) / floor(maxAniso); else tmp = abs((floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / sqrt(max(t_4, (t_5 + (dY_46_u * (dY_46_u * (floor(w) ^ single(2.0))))))); 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 := \left\lfloor w\right\rfloor \cdot \left(dX.u \cdot t\_3\right) + \left\lfloor h\right\rfloor \cdot \left(dX.v \cdot t\_0\right)\\
t_5 := \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_2\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({t\_3}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_2}^{2}\right)}{\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot t\_2\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_4, \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_1\right) + t\_5\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\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)\right|}{\sqrt{\mathsf{max}\left(t\_4, t\_5 + dY.u \cdot \left(dY.u \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2}\right)\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.5%
Simplified79.5%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f3279.2%
Simplified79.2%
Applied egg-rr46.9%
*-commutativeN/A
associate-*r*N/A
associate-*l*N/A
unpow2N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3246.9%
Applied egg-rr46.9%
Final simplification46.9%
(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 (pow t_1 2.0))
(t_3 (pow (floor h) 2.0))
(t_4 (* (floor w) dX.u))
(t_5 (pow t_4 2.0))
(t_6 (* (floor h) dY.v)))
(log2
(if (>
(/
(fmax (+ t_5 (pow t_0 2.0)) (+ t_2 (pow t_6 2.0)))
(* (floor w) (* dX.u t_6)))
(floor maxAniso))
(/
(sqrt
(fmax
(+ (* (floor w) (* dX.u t_4)) (* (floor h) (* dX.v t_0)))
(+ (* (floor w) (* dY.u t_1)) (* (floor h) (* dY.v t_6)))))
(floor maxAniso))
(/
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(sqrt
(fmax
(+ t_5 (* dX.v (* dX.v t_3)))
(+ t_2 (* t_3 (* 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 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = powf(t_1, 2.0f);
float t_3 = powf(floorf(h), 2.0f);
float t_4 = floorf(w) * dX_46_u;
float t_5 = powf(t_4, 2.0f);
float t_6 = floorf(h) * dY_46_v;
float tmp;
if ((fmaxf((t_5 + powf(t_0, 2.0f)), (t_2 + powf(t_6, 2.0f))) / (floorf(w) * (dX_46_u * t_6))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((floorf(w) * (dX_46_u * t_4)) + (floorf(h) * (dX_46_v * t_0))), ((floorf(w) * (dY_46_u * t_1)) + (floorf(h) * (dY_46_v * t_6))))) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / sqrtf(fmaxf((t_5 + (dX_46_v * (dX_46_v * t_3))), (t_2 + (t_3 * (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 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = t_1 ^ Float32(2.0) t_3 = floor(h) ^ Float32(2.0) t_4 = Float32(floor(w) * dX_46_u) t_5 = t_4 ^ Float32(2.0) t_6 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32(((Float32(t_5 + (t_0 ^ Float32(2.0))) != Float32(t_5 + (t_0 ^ Float32(2.0)))) ? Float32(t_2 + (t_6 ^ Float32(2.0))) : ((Float32(t_2 + (t_6 ^ Float32(2.0))) != Float32(t_2 + (t_6 ^ Float32(2.0)))) ? Float32(t_5 + (t_0 ^ Float32(2.0))) : max(Float32(t_5 + (t_0 ^ Float32(2.0))), Float32(t_2 + (t_6 ^ Float32(2.0)))))) / Float32(floor(w) * Float32(dX_46_u * t_6))) > floor(maxAniso)) tmp = Float32(sqrt(((Float32(Float32(floor(w) * Float32(dX_46_u * t_4)) + Float32(floor(h) * Float32(dX_46_v * t_0))) != Float32(Float32(floor(w) * Float32(dX_46_u * t_4)) + Float32(floor(h) * Float32(dX_46_v * t_0)))) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_6))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_6))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_6)))) ? Float32(Float32(floor(w) * Float32(dX_46_u * t_4)) + Float32(floor(h) * Float32(dX_46_v * t_0))) : max(Float32(Float32(floor(w) * Float32(dX_46_u * t_4)) + Float32(floor(h) * Float32(dX_46_v * t_0))), Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_6))))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) / sqrt(((Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * t_3))) != Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * t_3)))) ? Float32(t_2 + Float32(t_3 * Float32(dY_46_v * dY_46_v))) : ((Float32(t_2 + Float32(t_3 * Float32(dY_46_v * dY_46_v))) != Float32(t_2 + Float32(t_3 * Float32(dY_46_v * dY_46_v)))) ? Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * t_3))) : max(Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * t_3))), Float32(t_2 + Float32(t_3 * Float32(dY_46_v * dY_46_v)))))))); 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 = t_1 ^ single(2.0); t_3 = floor(h) ^ single(2.0); t_4 = floor(w) * dX_46_u; t_5 = t_4 ^ single(2.0); t_6 = floor(h) * dY_46_v; tmp = single(0.0); if ((max((t_5 + (t_0 ^ single(2.0))), (t_2 + (t_6 ^ single(2.0)))) / (floor(w) * (dX_46_u * t_6))) > floor(maxAniso)) tmp = sqrt(max(((floor(w) * (dX_46_u * t_4)) + (floor(h) * (dX_46_v * t_0))), ((floor(w) * (dY_46_u * t_1)) + (floor(h) * (dY_46_v * t_6))))) / floor(maxAniso); else tmp = abs((floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / sqrt(max((t_5 + (dX_46_v * (dX_46_v * t_3))), (t_2 + (t_3 * (dY_46_v * dY_46_v))))); 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 := {t\_1}^{2}\\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := {t\_4}^{2}\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_5 + {t\_0}^{2}, t\_2 + {t\_6}^{2}\right)}{\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot t\_6\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot t\_4\right) + \left\lfloor h\right\rfloor \cdot \left(dX.v \cdot t\_0\right), \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_1\right) + \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_6\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\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)\right|}{\sqrt{\mathsf{max}\left(t\_5 + dX.v \cdot \left(dX.v \cdot t\_3\right), t\_2 + t\_3 \cdot \left(dY.v \cdot dY.v\right)\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.5%
Simplified79.5%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f3279.2%
Simplified79.2%
Applied egg-rr46.9%
Taylor expanded in w around 0
sqrt-lowering-sqrt.f32N/A
fmax-lowering-fmax.f32N/A
Simplified46.9%
Final simplification46.9%
(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
(+ (pow t_3 2.0) (pow t_0 2.0))
(+ (pow t_1 2.0) (pow t_2 2.0)))))
(log2
(if (> (/ t_4 (* (floor w) (* dX.u t_2))) (floor maxAniso))
(/
(sqrt
(fmax
(+ (* (floor w) (* dX.u t_3)) (* (floor h) (* dX.v t_0)))
(+ (* (floor w) (* dY.u t_1)) (* (floor h) (* dY.v t_2)))))
(floor maxAniso))
(/
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(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(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf((powf(t_3, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_2, 2.0f)));
float tmp;
if ((t_4 / (floorf(w) * (dX_46_u * t_2))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((floorf(w) * (dX_46_u * t_3)) + (floorf(h) * (dX_46_v * t_0))), ((floorf(w) * (dY_46_u * t_1)) + (floorf(h) * (dY_46_v * t_2))))) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / 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(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = (Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))) tmp = Float32(0.0) if (Float32(t_4 / Float32(floor(w) * Float32(dX_46_u * t_2))) > floor(maxAniso)) tmp = Float32(sqrt(((Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0))) != Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0)))) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_2))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_2))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_2)))) ? Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0))) : max(Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_0))), Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + Float32(floor(h) * Float32(dY_46_v * t_2))))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) / 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(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 ^ single(2.0)) + (t_0 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_2 ^ single(2.0)))); tmp = single(0.0); if ((t_4 / (floor(w) * (dX_46_u * t_2))) > floor(maxAniso)) tmp = sqrt(max(((floor(w) * (dX_46_u * t_3)) + (floor(h) * (dX_46_v * t_0))), ((floor(w) * (dY_46_u * t_1)) + (floor(h) * (dY_46_v * t_2))))) / floor(maxAniso); else tmp = abs((floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / 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 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}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_2}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot t\_2\right)} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot t\_3\right) + \left\lfloor h\right\rfloor \cdot \left(dX.v \cdot t\_0\right), \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_1\right) + \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_2\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\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)\right|}{\sqrt{t\_4}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.5%
Simplified79.5%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f3279.2%
Simplified79.2%
Applied egg-rr46.9%
Applied egg-rr46.9%
herbie shell --seed 2024161
(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)))))))))