
(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\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_3 := \left\lfloorw\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\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{t\_5}{\left\lfloormaxAniso\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\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_3 := \left\lfloorw\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\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{t\_5}{\left\lfloormaxAniso\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))))
(t_2 (pow t_1 0.5)))
(log2
(if (> (/ (/ t_1 (* (floor w) (floor h))) (fabs t_0)) (floor maxAniso))
(/ t_2 (floor maxAniso))
(/ (fabs (* (floor h) (* (floor w) t_0))) t_2)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = (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 t_2 = powf(t_1, 0.5f);
float tmp;
if (((t_1 / (floorf(w) * floorf(h))) / fabsf(t_0)) > floorf(maxAniso)) {
tmp = t_2 / floorf(maxAniso);
} else {
tmp = fabsf((floorf(h) * (floorf(w) * t_0))) / t_2;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = 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))))) t_2 = t_1 ^ Float32(0.5) tmp = Float32(0.0) if (Float32(Float32(t_1 / Float32(floor(w) * floor(h))) / abs(t_0)) > floor(maxAniso)) tmp = Float32(t_2 / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(h) * Float32(floor(w) * t_0))) / t_2); 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)))); t_2 = t_1 ^ single(0.5); tmp = single(0.0); if (((t_1 / (floor(w) * floor(h))) / abs(t_0)) > floor(maxAniso)) tmp = t_2 / floor(maxAniso); else tmp = abs((floor(h) * (floor(w) * t_0))) / t_2; 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\lfloorw\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\right)\\
t_2 := {t\_1}^{0.5}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{t\_1}{\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor}}{\left|t\_0\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{t\_2}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot t\_0\right)\right|}{t\_2}\\
\end{array}
\end{array}
\end{array}
Initial program 77.8%
Simplified77.8%
Applied egg-rr77.8%
Applied egg-rr78.0%
Final simplification78.0%
(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))
(/ (pow t_0 0.5) (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 = powf(t_0, 0.5f) / 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((t_0 ^ Float32(0.5)) / 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 = (t_0 ^ single(0.5)) / 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\lfloorw\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\right)\\
t_1 := \left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\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\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_0}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{t\_0}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.8%
Simplified77.8%
Applied egg-rr77.8%
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
Applied egg-rr77.8%
Final simplification77.8%
(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 (+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0)))
(t_2
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_1)))
(log2
(if (> (/ (/ t_2 (* (floor w) (floor h))) (fabs t_0)) (floor maxAniso))
(/ (pow t_2 0.5) (floor maxAniso))
(/
(fabs (* (floor h) (* (floor w) t_0)))
(pow (fmax (* (* dX.u dX.u) (pow (floor w) 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 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_1 = powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_1);
float tmp;
if (((t_2 / (floorf(w) * floorf(h))) / fabsf(t_0)) > floorf(maxAniso)) {
tmp = powf(t_2, 0.5f) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(h) * (floorf(w) * t_0))) / powf(fmaxf(((dX_46_u * dX_46_u) * powf(floorf(w), 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(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_1 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) t_2 = (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)))) ? t_1 : ((t_1 != t_1) ? 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))), t_1)) tmp = Float32(0.0) if (Float32(Float32(t_2 / Float32(floor(w) * floor(h))) / abs(t_0)) > floor(maxAniso)) tmp = Float32((t_2 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(h) * Float32(floor(w) * t_0))) / (((Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) != Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0)))) ? t_1 : ((t_1 != t_1) ? Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) : max(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))), t_1))) ^ Float32(0.5))); 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 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_1 = ((floor(w) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)); t_2 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), t_1); tmp = single(0.0); if (((t_2 / (floor(w) * floor(h))) / abs(t_0)) > floor(maxAniso)) tmp = (t_2 ^ single(0.5)) / floor(maxAniso); else tmp = abs((floor(h) * (floor(w) * t_0))) / (max(((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))), t_1) ^ single(0.5)); 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 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := \mathsf{max}\left({\left(\left\lfloorw\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, t\_1\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{t\_2}{\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor}}{\left|t\_0\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_2}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot t\_0\right)\right|}{{\left(\mathsf{max}\left(\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_1\right)\right)}^{0.5}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.8%
Simplified77.8%
Applied egg-rr77.8%
Applied egg-rr78.0%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3277.7%
Simplified77.7%
Final simplification77.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0)))
(t_1
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_0))
(t_2
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(log2
(if (> (/ t_1 t_2) (floor maxAniso))
(/ (pow t_1 0.5) (floor maxAniso))
(/ t_2 (sqrt (fmax (* (* dX.u dX.u) (pow (floor w) 2.0)) 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 = powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f);
float t_1 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_0);
float t_2 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp;
if ((t_1 / t_2) > floorf(maxAniso)) {
tmp = powf(t_1, 0.5f) / floorf(maxAniso);
} else {
tmp = t_2 / sqrtf(fmaxf(((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)), 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) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) 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)))) ? t_0 : ((t_0 != t_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))), t_0)) t_2 = 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_1 / t_2) > floor(maxAniso)) tmp = Float32((t_1 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(t_2 / sqrt(((Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) != Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0)))) ? t_0 : ((t_0 != t_0) ? Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) : max(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))), 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 = ((floor(w) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)); t_1 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), t_0); t_2 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp = single(0.0); if ((t_1 / t_2) > floor(maxAniso)) tmp = (t_1 ^ single(0.5)) / floor(maxAniso); else tmp = t_2 / sqrt(max(((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))), t_0)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := \mathsf{max}\left({\left(\left\lfloorw\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)\\
t_2 := \left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\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\_1}{t\_2} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_1}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{\sqrt{\mathsf{max}\left(\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.8%
Simplified77.8%
Applied egg-rr77.8%
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
Applied egg-rr77.8%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3277.5%
Simplified77.5%
Final simplification77.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0)))
(t_1
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_0))
(t_2
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(log2
(if (> (/ t_1 t_2) (floor maxAniso))
(/ (pow t_1 0.5) (floor maxAniso))
(/ t_2 (sqrt (fmax (* dX.v (* dX.v (pow (floor h) 2.0))) 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 = powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f);
float t_1 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_0);
float t_2 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp;
if ((t_1 / t_2) > floorf(maxAniso)) {
tmp = powf(t_1, 0.5f) / floorf(maxAniso);
} else {
tmp = t_2 / sqrtf(fmaxf((dX_46_v * (dX_46_v * powf(floorf(h), 2.0f))), 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) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) 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)))) ? t_0 : ((t_0 != t_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))), t_0)) t_2 = 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_1 / t_2) > floor(maxAniso)) tmp = Float32((t_1 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(t_2 / sqrt(((Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) != Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) ? t_0 : ((t_0 != t_0) ? Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) : max(Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))), 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 = ((floor(w) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)); t_1 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), t_0); t_2 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp = single(0.0); if ((t_1 / t_2) > floor(maxAniso)) tmp = (t_1 ^ single(0.5)) / floor(maxAniso); else tmp = t_2 / sqrt(max((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))), t_0)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := \mathsf{max}\left({\left(\left\lfloorw\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)\\
t_2 := \left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\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\_1}{t\_2} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_1}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{\sqrt{\mathsf{max}\left(dX.v \cdot \left(dX.v \cdot {\left(\left\lfloorh\right\rfloor\right)}^{2}\right), t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.8%
Simplified77.8%
Applied egg-rr77.8%
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
Applied egg-rr77.8%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3277.0%
Simplified77.0%
Final simplification77.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0)))
(t_1 (fmax (* (* dX.u dX.u) (pow (floor w) 2.0)) t_0))
(t_2
(/
(pow
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_0)
0.5)
(floor maxAniso)))
(t_3 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_4 (fabs (* (floor h) (* (floor w) t_3)))))
(if (<= dX.v -200000000.0)
(log2
(if (>
(/
(/
(fmax (* dX.v (* dX.v (pow (floor h) 2.0))) t_0)
(* (floor w) (floor h)))
(fabs t_3))
(floor maxAniso))
t_2
(/ t_4 (pow t_1 0.5))))
(log2 (if (> (/ t_1 t_4) (floor maxAniso)) t_2 (/ t_4 (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 = powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f);
float t_1 = fmaxf(((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)), t_0);
float t_2 = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_0), 0.5f) / floorf(maxAniso);
float t_3 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_4 = fabsf((floorf(h) * (floorf(w) * t_3)));
float tmp_1;
if (dX_46_v <= -200000000.0f) {
float tmp_2;
if (((fmaxf((dX_46_v * (dX_46_v * powf(floorf(h), 2.0f))), t_0) / (floorf(w) * floorf(h))) / fabsf(t_3)) > floorf(maxAniso)) {
tmp_2 = t_2;
} else {
tmp_2 = t_4 / powf(t_1, 0.5f);
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((t_1 / t_4) > floorf(maxAniso)) {
tmp_3 = t_2;
} else {
tmp_3 = t_4 / sqrtf(t_1);
}
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((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) t_1 = (Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) != Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0)))) ? t_0 : ((t_0 != t_0) ? Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) : max(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))), t_0)) t_2 = Float32((((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)))) ? t_0 : ((t_0 != t_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))), t_0))) ^ Float32(0.5)) / floor(maxAniso)) t_3 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_4 = abs(Float32(floor(h) * Float32(floor(w) * t_3))) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(-200000000.0)) tmp_2 = Float32(0.0) if (Float32(Float32(((Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) != Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) ? t_0 : ((t_0 != t_0) ? Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) : max(Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))), t_0))) / Float32(floor(w) * floor(h))) / abs(t_3)) > floor(maxAniso)) tmp_2 = t_2; else tmp_2 = Float32(t_4 / (t_1 ^ Float32(0.5))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(t_1 / t_4) > floor(maxAniso)) tmp_3 = t_2; else tmp_3 = Float32(t_4 / sqrt(t_1)); 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) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)); t_1 = max(((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))), t_0); t_2 = (max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), t_0) ^ single(0.5)) / floor(maxAniso); t_3 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_4 = abs((floor(h) * (floor(w) * t_3))); tmp_2 = single(0.0); if (dX_46_v <= single(-200000000.0)) tmp_3 = single(0.0); if (((max((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))), t_0) / (floor(w) * floor(h))) / abs(t_3)) > floor(maxAniso)) tmp_3 = t_2; else tmp_3 = t_4 / (t_1 ^ single(0.5)); end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((t_1 / t_4) > floor(maxAniso)) tmp_4 = t_2; else tmp_4 = t_4 / sqrt(t_1); end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := \mathsf{max}\left(\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_0\right)\\
t_2 := \frac{{\left(\mathsf{max}\left({\left(\left\lfloorw\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)\right)}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
t_3 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_4 := \left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot t\_3\right)\right|\\
\mathbf{if}\;dX.v \leq -200000000:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{\mathsf{max}\left(dX.v \cdot \left(dX.v \cdot {\left(\left\lfloorh\right\rfloor\right)}^{2}\right), t\_0\right)}{\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor}}{\left|t\_3\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;t\_2\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{{t\_1}^{0.5}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_1}{t\_4} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;t\_2\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{t\_1}}\\
\end{array}\\
\end{array}
\end{array}
if dX.v < -2e8Initial program 63.2%
Simplified63.2%
Applied egg-rr63.2%
Applied egg-rr63.8%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3263.8%
Simplified63.8%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3263.5%
Simplified63.5%
if -2e8 < dX.v Initial program 80.8%
Simplified80.8%
Applied egg-rr80.8%
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
Applied egg-rr80.8%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3277.6%
Simplified77.6%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3278.3%
Simplified78.3%
Final simplification75.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0)))
(t_1 (fmax (* (* dX.u dX.u) (pow (floor w) 2.0)) t_0))
(t_2
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(log2
(if (> (/ t_1 t_2) (floor maxAniso))
(/
(pow
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_0)
0.5)
(floor maxAniso))
(/ t_2 (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 = powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f);
float t_1 = fmaxf(((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)), t_0);
float t_2 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp;
if ((t_1 / t_2) > floorf(maxAniso)) {
tmp = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_0), 0.5f) / floorf(maxAniso);
} else {
tmp = t_2 / 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(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) t_1 = (Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) != Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0)))) ? t_0 : ((t_0 != t_0) ? Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) : max(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))), t_0)) t_2 = 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_1 / t_2) > floor(maxAniso)) tmp = Float32((((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)))) ? t_0 : ((t_0 != t_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))), t_0))) ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(t_2 / 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 = ((floor(w) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)); t_1 = max(((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))), t_0); t_2 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp = single(0.0); if ((t_1 / t_2) > floor(maxAniso)) tmp = (max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), t_0) ^ single(0.5)) / floor(maxAniso); else tmp = t_2 / sqrt(t_1); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := \mathsf{max}\left(\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_0\right)\\
t_2 := \left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\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\_1}{t\_2} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{\left(\mathsf{max}\left({\left(\left\lfloorw\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)\right)}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{\sqrt{t\_1}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.8%
Simplified77.8%
Applied egg-rr77.8%
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
Applied egg-rr77.8%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3269.7%
Simplified69.7%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3272.0%
Simplified72.0%
Final simplification72.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_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 (>
(/ (fmax (* (* dX.u dX.u) (pow (floor w) 2.0)) t_0) t_1)
(floor maxAniso))
(/
(pow
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_0)
0.5)
(floor maxAniso))
(/ t_1 (sqrt (fmax (* dX.v (* dX.v (pow (floor h) 2.0))) 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 = 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 ((fmaxf(((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)), t_0) / t_1) > floorf(maxAniso)) {
tmp = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_0), 0.5f) / floorf(maxAniso);
} else {
tmp = t_1 / sqrtf(fmaxf((dX_46_v * (dX_46_v * powf(floorf(h), 2.0f))), 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) * 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(((Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) != Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0)))) ? t_0 : ((t_0 != t_0) ? Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) : max(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))), t_0))) / t_1) > floor(maxAniso)) tmp = Float32((((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)))) ? t_0 : ((t_0 != t_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))), t_0))) ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(t_1 / sqrt(((Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) != Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) ? t_0 : ((t_0 != t_0) ? Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) : max(Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))), 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 = ((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 ((max(((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))), t_0) / t_1) > floor(maxAniso)) tmp = (max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), t_0) ^ single(0.5)) / floor(maxAniso); else tmp = t_1 / sqrt(max((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))), t_0)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := \left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\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{\mathsf{max}\left(\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_0\right)}{t\_1} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{\left(\mathsf{max}\left({\left(\left\lfloorw\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)\right)}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left(dX.v \cdot \left(dX.v \cdot {\left(\left\lfloorh\right\rfloor\right)}^{2}\right), t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.8%
Simplified77.8%
Applied egg-rr77.8%
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
Applied egg-rr77.8%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3269.7%
Simplified69.7%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3269.0%
Simplified69.0%
Final simplification69.0%
herbie shell --seed 2024158
(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)))))))))