
(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 7 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 (* (floor h) dX.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4
(sqrt
(fmax
(+ (* (floor w) (* dX.u t_3)) (* (floor h) (* dX.v t_1)))
(+
(* (floor w) (* dY.u t_2))
(* (* (floor h) (floor h)) (* dY.v dY.v)))))))
(log2
(if (>
(/
(fmax
(+ (pow t_3 2.0) (pow t_1 2.0))
(+ (pow t_2 2.0) (pow (* (floor h) dY.v) 2.0)))
(fabs (* (floor w) (* (floor h) t_0))))
(floor maxAniso))
(/ t_4 (floor maxAniso))
(/ (fabs (* t_0 (* (floor w) (floor h)))) 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 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = sqrtf(fmaxf(((floorf(w) * (dX_46_u * t_3)) + (floorf(h) * (dX_46_v * t_1))), ((floorf(w) * (dY_46_u * t_2)) + ((floorf(h) * floorf(h)) * (dY_46_v * dY_46_v)))));
float tmp;
if ((fmaxf((powf(t_3, 2.0f) + powf(t_1, 2.0f)), (powf(t_2, 2.0f) + powf((floorf(h) * dY_46_v), 2.0f))) / fabsf((floorf(w) * (floorf(h) * t_0)))) > floorf(maxAniso)) {
tmp = t_4 / floorf(maxAniso);
} else {
tmp = fabsf((t_0 * (floorf(w) * floorf(h)))) / 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(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = sqrt(((Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_1))) != Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_1)))) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + Float32(Float32(floor(h) * floor(h)) * Float32(dY_46_v * dY_46_v))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + Float32(Float32(floor(h) * floor(h)) * Float32(dY_46_v * dY_46_v))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + Float32(Float32(floor(h) * floor(h)) * Float32(dY_46_v * dY_46_v)))) ? Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_1))) : max(Float32(Float32(floor(w) * Float32(dX_46_u * t_3)) + Float32(floor(h) * Float32(dX_46_v * t_1))), Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + Float32(Float32(floor(h) * floor(h)) * Float32(dY_46_v * dY_46_v))))))) tmp = Float32(0.0) if (Float32(((Float32((t_3 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? Float32((t_2 ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) : ((Float32((t_2 ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))), Float32((t_2 ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0)))))) / abs(Float32(floor(w) * Float32(floor(h) * t_0)))) > floor(maxAniso)) tmp = Float32(t_4 / floor(maxAniso)); else tmp = Float32(abs(Float32(t_0 * Float32(floor(w) * floor(h)))) / 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 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_1 = floor(h) * dX_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = sqrt(max(((floor(w) * (dX_46_u * t_3)) + (floor(h) * (dX_46_v * t_1))), ((floor(w) * (dY_46_u * t_2)) + ((floor(h) * floor(h)) * (dY_46_v * dY_46_v))))); tmp = single(0.0); if ((max(((t_3 ^ single(2.0)) + (t_1 ^ single(2.0))), ((t_2 ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)))) / abs((floor(w) * (floor(h) * t_0)))) > floor(maxAniso)) tmp = t_4 / floor(maxAniso); else tmp = abs((t_0 * (floor(w) * floor(h)))) / t_4; 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\lfloorh\right\rfloor \cdot dX.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \sqrt{\mathsf{max}\left(\left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_3\right) + \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t\_1\right), \left\lfloorw\right\rfloor \cdot \left(dY.u \cdot t\_2\right) + \left(\left\lfloorh\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot \left(dY.v \cdot dY.v\right)\right)}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({t\_3}^{2} + {t\_1}^{2}, {t\_2}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\right)}{\left|\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot t\_0\right)\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{t\_4}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_0 \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right)\right|}{t\_4}\\
\end{array}
\end{array}
\end{array}
Initial program 78.6%
Simplified78.6%
>-lowering->.f32N/A
Applied egg-rr78.6%
Final simplification78.6%
(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 (pow t_0 0.5))
(t_2
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(log2
(if (> (/ t_0 t_2) (floor maxAniso))
(/ t_1 (floor maxAniso))
(/ t_2 t_1)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fmaxf((powf((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 = powf(t_0, 0.5f);
float t_2 = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp;
if ((t_0 / t_2) > floorf(maxAniso)) {
tmp = t_1 / floorf(maxAniso);
} else {
tmp = t_2 / t_1;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (Float32((Float32(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 = t_0 ^ Float32(0.5) t_2 = abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) tmp = Float32(0.0) if (Float32(t_0 / t_2) > floor(maxAniso)) tmp = Float32(t_1 / floor(maxAniso)); else tmp = Float32(t_2 / t_1); end return log2(tmp) end
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 = t_0 ^ single(0.5); t_2 = abs((floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp = single(0.0); if ((t_0 / t_2) > floor(maxAniso)) tmp = t_1 / floor(maxAniso); else tmp = t_2 / t_1; 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 := {t\_0}^{0.5}\\
t_2 := \left|\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\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\_2} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{t\_1}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_1}\\
\end{array}
\end{array}
\end{array}
Initial program 78.6%
Simplified78.6%
Applied egg-rr78.6%
(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 w) (* (floor h) (- (* 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 (pow t_0 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 = 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(w) * (floorf(h) * ((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 / powf(t_0, 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(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(w) * Float32(floor(h) * 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 / (t_0 ^ 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 = 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(w) * (floor(h) * ((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 / (t_0 ^ single(0.5)); 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\lfloorw\right\rfloor \cdot \left(\left\lfloorh\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{e^{2 \cdot \left(\log t\_0 \cdot 0.25\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{{t\_0}^{0.5}}\\
\end{array}
\end{array}
\end{array}
Initial program 78.6%
Simplified78.6%
Applied egg-rr78.6%
Applied egg-rr77.9%
Final simplification77.9%
(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)))
(log2
(if (>
(/ t_1 (fabs (* (* (floor w) dX.v) (* (floor h) dY.u))))
(floor maxAniso))
(/ (pow t_1 0.5) (floor maxAniso))
(/
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))
(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 tmp;
if ((t_1 / fabsf(((floorf(w) * dX_46_v) * (floorf(h) * dY_46_u)))) > floorf(maxAniso)) {
tmp = powf(t_1, 0.5f) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / 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)) tmp = Float32(0.0) if (Float32(t_1 / abs(Float32(Float32(floor(w) * dX_46_v) * Float32(floor(h) * dY_46_u)))) > floor(maxAniso)) tmp = Float32((t_1 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) / 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); tmp = single(0.0); if ((t_1 / abs(((floor(w) * dX_46_v) * (floor(h) * dY_46_u)))) > floor(maxAniso)) tmp = (t_1 ^ single(0.5)) / floor(maxAniso); else tmp = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / 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)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_1}{\left|\left(\left\lfloorw\right\rfloor \cdot dX.v\right) \cdot \left(\left\lfloorh\right\rfloor \cdot dY.u\right)\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_1}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\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|}{\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 78.6%
Simplified78.6%
Taylor expanded in dX.u around 0
associate-*r*N/A
associate-*r*N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
*-commutativeN/A
associate-*l*N/A
neg-mul-1N/A
*-lowering-*.f32N/A
neg-sub0N/A
--lowering--.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f3277.5%
Simplified77.5%
Applied egg-rr77.5%
unpow1/2N/A
sqrt-lowering-sqrt.f32N/A
fmax-lowering-fmax.f32N/A
+-lowering-+.f32N/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
+-lowering-+.f32N/A
Applied egg-rr77.5%
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.f3277.5%
Simplified77.5%
Final simplification77.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (+ (pow (* (floor w) dY.u) 2.0) (pow t_0 2.0)))
(t_2 (* (floor w) dX.u))
(t_3 (fmax (+ (pow t_2 2.0) (pow (* (floor h) dX.v) 2.0)) t_1)))
(log2
(if (> (* (/ t_3 t_2) (/ 1.0 t_0)) (floor maxAniso))
(/ (pow t_3 0.5) (floor maxAniso))
(/
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))
(pow (fmax (* dX.v (* dX.v (pow (floor h) 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(h) * dY_46_v;
float t_1 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_0, 2.0f);
float t_2 = floorf(w) * dX_46_u;
float t_3 = fmaxf((powf(t_2, 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_1);
float tmp;
if (((t_3 / t_2) * (1.0f / t_0)) > floorf(maxAniso)) {
tmp = powf(t_3, 0.5f) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / powf(fmaxf((dX_46_v * (dX_46_v * powf(floorf(h), 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(h) * dY_46_v) t_1 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_2 = Float32(floor(w) * dX_46_u) t_3 = (Float32((t_2 ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? t_1 : ((t_1 != t_1) ? Float32((t_2 ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((t_2 ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), t_1)) tmp = Float32(0.0) if (Float32(Float32(t_3 / t_2) * Float32(Float32(1.0) / t_0)) > floor(maxAniso)) tmp = Float32((t_3 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) / (((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_1 : ((t_1 != t_1) ? 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_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 = floor(h) * dY_46_v; t_1 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_2 = floor(w) * dX_46_u; t_3 = max(((t_2 ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), t_1); tmp = single(0.0); if (((t_3 / t_2) * (single(1.0) / t_0)) > floor(maxAniso)) tmp = (t_3 ^ single(0.5)) / floor(maxAniso); else tmp = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / (max((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))), t_1) ^ single(0.5)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {t\_0}^{2}\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := \mathsf{max}\left({t\_2}^{2} + {\left(\left\lfloorh\right\rfloor \cdot dX.v\right)}^{2}, t\_1\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_3}{t\_2} \cdot \frac{1}{t\_0} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_3}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\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|}{{\left(\mathsf{max}\left(dX.v \cdot \left(dX.v \cdot {\left(\left\lfloorh\right\rfloor\right)}^{2}\right), t\_1\right)\right)}^{0.5}}\\
\end{array}
\end{array}
\end{array}
Initial program 78.6%
Simplified78.6%
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
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3277.4%
Simplified77.4%
Applied egg-rr77.4%
div-invN/A
associate-*r/N/A
associate-*r*N/A
fabs-mulN/A
unpow1N/A
sqr-powN/A
fabs-sqrN/A
sqr-powN/A
unpow1N/A
sqr-powN/A
fabs-sqrN/A
sqr-powN/A
Applied egg-rr47.3%
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.f3248.4%
Simplified48.4%
Final simplification48.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (+ (pow (* (floor w) dY.u) 2.0) (pow t_0 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) (* dX.u t_0))) (floor maxAniso))
(/ (pow t_2 0.5) (floor maxAniso))
(*
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(pow (fmax (* dX.v (* dX.v (pow (floor h) 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(h) * dY_46_v;
float t_1 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_0, 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) * (dX_46_u * t_0))) > floorf(maxAniso)) {
tmp = powf(t_2, 0.5f) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) * powf(fmaxf((dX_46_v * (dX_46_v * powf(floorf(h), 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(h) * dY_46_v) t_1 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_0 ^ 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(t_2 / Float32(floor(w) * Float32(dX_46_u * t_0))) > floor(maxAniso)) tmp = Float32((t_2 ^ Float32(0.5)) / 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))))) * (((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_1 : ((t_1 != t_1) ? 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_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 = floor(h) * dY_46_v; t_1 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_0 ^ 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) * (dX_46_u * t_0))) > floor(maxAniso)) tmp = (t_2 ^ single(0.5)) / floor(maxAniso); else tmp = abs((floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) * (max((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))), t_1) ^ single(-0.5)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {t\_0}^{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{t\_2}{\left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_0\right)} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_2}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\left|\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right| \cdot {\left(\mathsf{max}\left(dX.v \cdot \left(dX.v \cdot {\left(\left\lfloorh\right\rfloor\right)}^{2}\right), t\_1\right)\right)}^{-0.5}\\
\end{array}
\end{array}
\end{array}
Initial program 78.6%
Simplified78.6%
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
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3277.4%
Simplified77.4%
Applied egg-rr77.4%
Applied egg-rr47.2%
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.f3248.4%
Simplified48.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (+ (pow (* (floor w) dY.u) 2.0) (pow t_0 2.0)))
(t_2
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_1)))
(log2
(if (>
(/
(fmax (* (* dX.u dX.u) (pow (floor w) 2.0)) t_1)
(* (floor w) (* dX.u t_0)))
(floor maxAniso))
(/ (pow t_2 0.5) (floor maxAniso))
(*
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(pow t_2 -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(h) * dY_46_v;
float t_1 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_0, 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 ((fmaxf(((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)), t_1) / (floorf(w) * (dX_46_u * t_0))) > floorf(maxAniso)) {
tmp = powf(t_2, 0.5f) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) * powf(t_2, -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(h) * dY_46_v) t_1 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_0 ^ 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(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(floor(w) * Float32(dX_46_u * t_0))) > floor(maxAniso)) tmp = Float32((t_2 ^ Float32(0.5)) / 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))))) * (t_2 ^ 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 = floor(h) * dY_46_v; t_1 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_0 ^ 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 ((max(((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))), t_1) / (floor(w) * (dX_46_u * t_0))) > floor(maxAniso)) tmp = (t_2 ^ single(0.5)) / floor(maxAniso); else tmp = abs((floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) * (t_2 ^ single(-0.5)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2} + {t\_0}^{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{\mathsf{max}\left(\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_1\right)}{\left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_0\right)} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_2}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\left|\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right| \cdot {t\_2}^{-0.5}\\
\end{array}
\end{array}
\end{array}
Initial program 78.6%
Simplified78.6%
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
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3277.4%
Simplified77.4%
Applied egg-rr77.4%
Applied egg-rr47.2%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3246.6%
Simplified46.6%
herbie shell --seed 2024145
(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)))))))))