
(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 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\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)))))
(log2
(if (>
(/ (/ t_1 (fabs t_0)) (fabs (* (floor w) (floor h))))
(floor maxAniso))
(/ (pow t_1 0.5) (floor maxAniso))
(* (fabs (* (floor h) (* (floor w) t_0))) (pow 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 = 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(t_0)) / fabsf((floorf(w) * floorf(h)))) > floorf(maxAniso)) {
tmp = powf(t_1, 0.5f) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(h) * (floorf(w) * t_0))) * powf(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) * 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(Float32(t_1 / abs(t_0)) / abs(Float32(floor(w) * floor(h)))) > floor(maxAniso)) tmp = Float32((t_1 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(h) * Float32(floor(w) * t_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 = 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(t_0)) / abs((floor(w) * floor(h)))) > floor(maxAniso)) tmp = (t_1 ^ single(0.5)) / floor(maxAniso); else tmp = abs((floor(h) * (floor(w) * t_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 := \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)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{t\_1}{\left|t\_0\right|}}{\left|\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_1}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot t\_0\right)\right| \cdot {t\_1}^{-0.5}\\
\end{array}
\end{array}
\end{array}
Initial program 70.4%
Simplified70.4%
Applied egg-rr70.4%
Applied egg-rr70.7%
Final simplification70.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dX.u))
(t_2 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dX.v))
(t_5
(fmax
(+ (pow t_1 2.0) (pow t_4 2.0))
(+ (pow t_3 2.0) (pow t_0 2.0))))
(t_6 (* (floor h) t_2))
(t_7 (/ (fabs (* (floor w) t_6)) (sqrt t_5)))
(t_8
(> (/ t_5 (fabs (* t_2 (* (floor w) (floor h))))) (floor maxAniso)))
(t_9 (+ (* (floor w) (* dX.u t_1)) (* (floor h) (* dX.v t_4)))))
(if (<= dY.v -0.0006500000017695129)
(log2
(if t_8
(/
(sqrt (fmax t_9 (* dY.v (* dY.v (pow (floor h) 2.0)))))
(floor maxAniso))
t_7))
(if (<= dY.v 5.000000018137469e-16)
(log2
(if t_8
(/
(sqrt (fmax t_9 (* dY.u (* dY.u (pow (floor w) 2.0)))))
(floor maxAniso))
t_7))
(log2
(if (> (/ (/ t_5 (floor w)) (fabs t_6)) (floor maxAniso))
(/
(sqrt
(fmax
t_9
(+ (* (floor w) (* dY.u t_3)) (pow (exp (log t_0)) 2.0))))
(floor maxAniso))
t_7))))))
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 = floorf(w) * dX_46_u;
float t_2 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * dX_46_v;
float t_5 = fmaxf((powf(t_1, 2.0f) + powf(t_4, 2.0f)), (powf(t_3, 2.0f) + powf(t_0, 2.0f)));
float t_6 = floorf(h) * t_2;
float t_7 = fabsf((floorf(w) * t_6)) / sqrtf(t_5);
int t_8 = (t_5 / fabsf((t_2 * (floorf(w) * floorf(h))))) > floorf(maxAniso);
float t_9 = (floorf(w) * (dX_46_u * t_1)) + (floorf(h) * (dX_46_v * t_4));
float tmp_1;
if (dY_46_v <= -0.0006500000017695129f) {
float tmp_2;
if (t_8) {
tmp_2 = sqrtf(fmaxf(t_9, (dY_46_v * (dY_46_v * powf(floorf(h), 2.0f))))) / floorf(maxAniso);
} else {
tmp_2 = t_7;
}
tmp_1 = log2f(tmp_2);
} else if (dY_46_v <= 5.000000018137469e-16f) {
float tmp_3;
if (t_8) {
tmp_3 = sqrtf(fmaxf(t_9, (dY_46_u * (dY_46_u * powf(floorf(w), 2.0f))))) / floorf(maxAniso);
} else {
tmp_3 = t_7;
}
tmp_1 = log2f(tmp_3);
} else {
float tmp_4;
if (((t_5 / floorf(w)) / fabsf(t_6)) > floorf(maxAniso)) {
tmp_4 = sqrtf(fmaxf(t_9, ((floorf(w) * (dY_46_u * t_3)) + powf(expf(logf(t_0)), 2.0f)))) / floorf(maxAniso);
} else {
tmp_4 = t_7;
}
tmp_1 = log2f(tmp_4);
}
return tmp_1;
}
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(floor(w) * dX_46_u) t_2 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * dX_46_v) t_5 = (Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : ((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_4 ^ Float32(2.0))) : max(Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))), Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))))) t_6 = Float32(floor(h) * t_2) t_7 = Float32(abs(Float32(floor(w) * t_6)) / sqrt(t_5)) t_8 = Float32(t_5 / abs(Float32(t_2 * Float32(floor(w) * floor(h))))) > floor(maxAniso) t_9 = Float32(Float32(floor(w) * Float32(dX_46_u * t_1)) + Float32(floor(h) * Float32(dX_46_v * t_4))) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(-0.0006500000017695129)) tmp_2 = Float32(0.0) if (t_8) tmp_2 = Float32(sqrt(((t_9 != t_9) ? Float32(dY_46_v * Float32(dY_46_v * (floor(h) ^ Float32(2.0)))) : ((Float32(dY_46_v * Float32(dY_46_v * (floor(h) ^ Float32(2.0)))) != Float32(dY_46_v * Float32(dY_46_v * (floor(h) ^ Float32(2.0))))) ? t_9 : max(t_9, Float32(dY_46_v * Float32(dY_46_v * (floor(h) ^ Float32(2.0)))))))) / floor(maxAniso)); else tmp_2 = t_7; end tmp_1 = log2(tmp_2); elseif (dY_46_v <= Float32(5.000000018137469e-16)) tmp_3 = Float32(0.0) if (t_8) tmp_3 = Float32(sqrt(((t_9 != t_9) ? Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))) : ((Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))) != Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0))))) ? t_9 : max(t_9, Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))))))) / floor(maxAniso)); else tmp_3 = t_7; end tmp_1 = log2(tmp_3); else tmp_4 = Float32(0.0) if (Float32(Float32(t_5 / floor(w)) / abs(t_6)) > floor(maxAniso)) tmp_4 = Float32(sqrt(((t_9 != t_9) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_3)) + (exp(log(t_0)) ^ Float32(2.0))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_3)) + (exp(log(t_0)) ^ Float32(2.0))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_3)) + (exp(log(t_0)) ^ Float32(2.0)))) ? t_9 : max(t_9, Float32(Float32(floor(w) * Float32(dY_46_u * t_3)) + (exp(log(t_0)) ^ Float32(2.0))))))) / floor(maxAniso)); else tmp_4 = t_7; end tmp_1 = log2(tmp_4); end return tmp_1 end
function tmp_6 = 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) * dX_46_u; t_2 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_3 = floor(w) * dY_46_u; t_4 = floor(h) * dX_46_v; t_5 = max(((t_1 ^ single(2.0)) + (t_4 ^ single(2.0))), ((t_3 ^ single(2.0)) + (t_0 ^ single(2.0)))); t_6 = floor(h) * t_2; t_7 = abs((floor(w) * t_6)) / sqrt(t_5); t_8 = (t_5 / abs((t_2 * (floor(w) * floor(h))))) > floor(maxAniso); t_9 = (floor(w) * (dX_46_u * t_1)) + (floor(h) * (dX_46_v * t_4)); tmp_2 = single(0.0); if (dY_46_v <= single(-0.0006500000017695129)) tmp_3 = single(0.0); if (t_8) tmp_3 = sqrt(max(t_9, (dY_46_v * (dY_46_v * (floor(h) ^ single(2.0)))))) / floor(maxAniso); else tmp_3 = t_7; end tmp_2 = log2(tmp_3); elseif (dY_46_v <= single(5.000000018137469e-16)) tmp_4 = single(0.0); if (t_8) tmp_4 = sqrt(max(t_9, (dY_46_u * (dY_46_u * (floor(w) ^ single(2.0)))))) / floor(maxAniso); else tmp_4 = t_7; end tmp_2 = log2(tmp_4); else tmp_5 = single(0.0); if (((t_5 / floor(w)) / abs(t_6)) > floor(maxAniso)) tmp_5 = sqrt(max(t_9, ((floor(w) * (dY_46_u * t_3)) + (exp(log(t_0)) ^ single(2.0))))) / floor(maxAniso); else tmp_5 = t_7; end tmp_2 = log2(tmp_5); end tmp_6 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_2 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_4 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_5 := \mathsf{max}\left({t\_1}^{2} + {t\_4}^{2}, {t\_3}^{2} + {t\_0}^{2}\right)\\
t_6 := \left\lfloorh\right\rfloor \cdot t\_2\\
t_7 := \frac{\left|\left\lfloorw\right\rfloor \cdot t\_6\right|}{\sqrt{t\_5}}\\
t_8 := \frac{t\_5}{\left|t\_2 \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right)\right|} > \left\lfloormaxAniso\right\rfloor\\
t_9 := \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_1\right) + \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t\_4\right)\\
\mathbf{if}\;dY.v \leq -0.0006500000017695129:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_9, dY.v \cdot \left(dY.v \cdot {\left(\left\lfloorh\right\rfloor\right)}^{2}\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{elif}\;dY.v \leq 5.000000018137469 \cdot 10^{-16}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_9, dY.u \cdot \left(dY.u \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{t\_5}{\left\lfloorw\right\rfloor}}{\left|t\_6\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_9, \left\lfloorw\right\rfloor \cdot \left(dY.u \cdot t\_3\right) + {\left(e^{\log t\_0}\right)}^{2}\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\end{array}
\end{array}
if dY.v < -6.50000002e-4Initial program 65.8%
Simplified65.8%
associate-*r*N/A
pow2N/A
pow-to-expN/A
exp-prodN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3233.1%
Applied egg-rr33.1%
Applied egg-rr33.1%
Applied egg-rr33.1%
Taylor expanded in dY.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3256.7%
Simplified56.7%
if -6.50000002e-4 < dY.v < 5.00000002e-16Initial program 67.1%
Simplified67.1%
associate-*r*N/A
pow2N/A
pow-to-expN/A
exp-prodN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3249.9%
Applied egg-rr49.9%
Applied egg-rr49.9%
Applied egg-rr49.9%
Taylor expanded in dY.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3265.1%
Simplified65.1%
if 5.00000002e-16 < dY.v Initial program 75.7%
Simplified75.6%
associate-*r*N/A
pow2N/A
pow-to-expN/A
exp-prodN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3275.4%
Applied egg-rr75.4%
Applied egg-rr75.5%
Applied egg-rr75.5%
Applied egg-rr75.5%
Final simplification67.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dX.u))
(t_2 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dX.v))
(t_5 (+ (* (floor w) (* dX.u t_1)) (* (floor h) (* dX.v t_4))))
(t_6
(fmax
(+ (pow t_1 2.0) (pow t_4 2.0))
(+ (pow t_3 2.0) (pow t_0 2.0))))
(t_7 (* (floor h) t_2))
(t_8 (/ (fabs (* (floor w) t_7)) (sqrt t_6))))
(if (<= dY.v -1.999999936531045e-19)
(log2
(if (> (/ t_6 (fabs (* t_2 (* (floor w) (floor h))))) (floor maxAniso))
(/
(sqrt (fmax t_5 (* dY.u (* dY.u (pow (floor w) 2.0)))))
(floor maxAniso))
t_8))
(log2
(if (> (/ (/ t_6 (floor w)) (fabs t_7)) (floor maxAniso))
(/
(sqrt
(fmax t_5 (+ (* (floor w) (* dY.u t_3)) (pow (exp (log t_0)) 2.0))))
(floor maxAniso))
t_8)))))
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 = floorf(w) * dX_46_u;
float t_2 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * dX_46_v;
float t_5 = (floorf(w) * (dX_46_u * t_1)) + (floorf(h) * (dX_46_v * t_4));
float t_6 = fmaxf((powf(t_1, 2.0f) + powf(t_4, 2.0f)), (powf(t_3, 2.0f) + powf(t_0, 2.0f)));
float t_7 = floorf(h) * t_2;
float t_8 = fabsf((floorf(w) * t_7)) / sqrtf(t_6);
float tmp_1;
if (dY_46_v <= -1.999999936531045e-19f) {
float tmp_2;
if ((t_6 / fabsf((t_2 * (floorf(w) * floorf(h))))) > floorf(maxAniso)) {
tmp_2 = sqrtf(fmaxf(t_5, (dY_46_u * (dY_46_u * powf(floorf(w), 2.0f))))) / floorf(maxAniso);
} else {
tmp_2 = t_8;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if (((t_6 / floorf(w)) / fabsf(t_7)) > floorf(maxAniso)) {
tmp_3 = sqrtf(fmaxf(t_5, ((floorf(w) * (dY_46_u * t_3)) + powf(expf(logf(t_0)), 2.0f)))) / floorf(maxAniso);
} else {
tmp_3 = t_8;
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * dX_46_v) t_5 = Float32(Float32(floor(w) * Float32(dX_46_u * t_1)) + Float32(floor(h) * Float32(dX_46_v * t_4))) t_6 = (Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : ((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_4 ^ Float32(2.0))) : max(Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))), Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))))) t_7 = Float32(floor(h) * t_2) t_8 = Float32(abs(Float32(floor(w) * t_7)) / sqrt(t_6)) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(-1.999999936531045e-19)) tmp_2 = Float32(0.0) if (Float32(t_6 / abs(Float32(t_2 * Float32(floor(w) * floor(h))))) > floor(maxAniso)) tmp_2 = Float32(sqrt(((t_5 != t_5) ? Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))) : ((Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))) != Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0))))) ? t_5 : max(t_5, Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))))))) / floor(maxAniso)); else tmp_2 = t_8; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(Float32(t_6 / floor(w)) / abs(t_7)) > floor(maxAniso)) tmp_3 = Float32(sqrt(((t_5 != t_5) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_3)) + (exp(log(t_0)) ^ Float32(2.0))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_3)) + (exp(log(t_0)) ^ Float32(2.0))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_3)) + (exp(log(t_0)) ^ Float32(2.0)))) ? t_5 : max(t_5, Float32(Float32(floor(w) * Float32(dY_46_u * t_3)) + (exp(log(t_0)) ^ Float32(2.0))))))) / floor(maxAniso)); else tmp_3 = t_8; 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(h) * dY_46_v; t_1 = floor(w) * dX_46_u; t_2 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_3 = floor(w) * dY_46_u; t_4 = floor(h) * dX_46_v; t_5 = (floor(w) * (dX_46_u * t_1)) + (floor(h) * (dX_46_v * t_4)); t_6 = max(((t_1 ^ single(2.0)) + (t_4 ^ single(2.0))), ((t_3 ^ single(2.0)) + (t_0 ^ single(2.0)))); t_7 = floor(h) * t_2; t_8 = abs((floor(w) * t_7)) / sqrt(t_6); tmp_2 = single(0.0); if (dY_46_v <= single(-1.999999936531045e-19)) tmp_3 = single(0.0); if ((t_6 / abs((t_2 * (floor(w) * floor(h))))) > floor(maxAniso)) tmp_3 = sqrt(max(t_5, (dY_46_u * (dY_46_u * (floor(w) ^ single(2.0)))))) / floor(maxAniso); else tmp_3 = t_8; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if (((t_6 / floor(w)) / abs(t_7)) > floor(maxAniso)) tmp_4 = sqrt(max(t_5, ((floor(w) * (dY_46_u * t_3)) + (exp(log(t_0)) ^ single(2.0))))) / floor(maxAniso); else tmp_4 = t_8; end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_2 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_4 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_5 := \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_1\right) + \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t\_4\right)\\
t_6 := \mathsf{max}\left({t\_1}^{2} + {t\_4}^{2}, {t\_3}^{2} + {t\_0}^{2}\right)\\
t_7 := \left\lfloorh\right\rfloor \cdot t\_2\\
t_8 := \frac{\left|\left\lfloorw\right\rfloor \cdot t\_7\right|}{\sqrt{t\_6}}\\
\mathbf{if}\;dY.v \leq -1.999999936531045 \cdot 10^{-19}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_6}{\left|t\_2 \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right)\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_5, dY.u \cdot \left(dY.u \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{t\_6}{\left\lfloorw\right\rfloor}}{\left|t\_7\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_5, \left\lfloorw\right\rfloor \cdot \left(dY.u \cdot t\_3\right) + {\left(e^{\log t\_0}\right)}^{2}\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\end{array}
\end{array}
if dY.v < -1.99999994e-19Initial program 66.2%
Simplified66.2%
associate-*r*N/A
pow2N/A
pow-to-expN/A
exp-prodN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3237.1%
Applied egg-rr37.1%
Applied egg-rr37.1%
Applied egg-rr37.1%
Taylor expanded in dY.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3251.2%
Simplified51.2%
if -1.99999994e-19 < dY.v Initial program 74.6%
Simplified74.6%
associate-*r*N/A
pow2N/A
pow-to-expN/A
exp-prodN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3274.4%
Applied egg-rr74.4%
Applied egg-rr74.8%
Applied egg-rr74.5%
Applied egg-rr74.5%
Final simplification62.8%
(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
(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 (floor w)) (fabs (* (floor h) t_0))) (floor maxAniso))
(/ (pow t_1 0.5) (floor maxAniso))
(* (fabs (* (floor h) (* (floor w) t_0))) (pow 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 = 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 / floorf(w)) / fabsf((floorf(h) * t_0))) > floorf(maxAniso)) {
tmp = powf(t_1, 0.5f) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(h) * (floorf(w) * t_0))) * powf(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) * 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(Float32(t_1 / floor(w)) / abs(Float32(floor(h) * t_0))) > floor(maxAniso)) tmp = Float32((t_1 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(h) * Float32(floor(w) * t_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 = 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 / floor(w)) / abs((floor(h) * t_0))) > floor(maxAniso)) tmp = (t_1 ^ single(0.5)) / floor(maxAniso); else tmp = abs((floor(h) * (floor(w) * t_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 := \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)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{t\_1}{\left\lfloorw\right\rfloor}}{\left|\left\lfloorh\right\rfloor \cdot t\_0\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{{t\_1}^{0.5}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot t\_0\right)\right| \cdot {t\_1}^{-0.5}\\
\end{array}
\end{array}
\end{array}
Initial program 70.4%
Simplified70.4%
Applied egg-rr70.4%
Applied egg-rr70.7%
Applied egg-rr70.5%
Final simplification70.5%
(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 (pow (* (floor w) dY.u) 2.0))
(t_3 (* (floor w) dX.u))
(t_4
(fmax
(+ (pow t_3 2.0) (pow t_1 2.0))
(+ t_2 (pow (* (floor h) dY.v) 2.0)))))
(log2
(if (> (/ t_4 (fabs (* t_0 (* (floor w) (floor h))))) (floor maxAniso))
(/
(sqrt
(fmax
(+ (* (floor w) (* dX.u t_3)) (* (floor h) (* dX.v t_1)))
(fma (pow (floor h) 2.0) (* dY.v dY.v) t_2)))
(floor maxAniso))
(/ (fabs (* (floor w) (* (floor h) t_0))) (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 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_1 = floorf(h) * dX_46_v;
float t_2 = powf((floorf(w) * dY_46_u), 2.0f);
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf((powf(t_3, 2.0f) + powf(t_1, 2.0f)), (t_2 + powf((floorf(h) * dY_46_v), 2.0f)));
float tmp;
if ((t_4 / fabsf((t_0 * (floorf(w) * floorf(h))))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((floorf(w) * (dX_46_u * t_3)) + (floorf(h) * (dX_46_v * t_1))), fmaf(powf(floorf(h), 2.0f), (dY_46_v * dY_46_v), t_2))) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * t_0))) / 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(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) ^ Float32(2.0) t_3 = Float32(floor(w) * dX_46_u) t_4 = (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(floor(h) * dY_46_v) ^ Float32(2.0))) : ((Float32(t_2 + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) != Float32(t_2 + (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(floor(h) * dY_46_v) ^ Float32(2.0))))) tmp = Float32(0.0) if (Float32(t_4 / abs(Float32(t_0 * Float32(floor(w) * floor(h))))) > floor(maxAniso)) tmp = Float32(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)))) ? fma((floor(h) ^ Float32(2.0)), Float32(dY_46_v * dY_46_v), t_2) : ((fma((floor(h) ^ Float32(2.0)), Float32(dY_46_v * dY_46_v), t_2) != fma((floor(h) ^ Float32(2.0)), Float32(dY_46_v * dY_46_v), t_2)) ? 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))), fma((floor(h) ^ Float32(2.0)), Float32(dY_46_v * dY_46_v), t_2))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(w) * Float32(floor(h) * t_0))) / sqrt(t_4)); end return 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(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left({t\_3}^{2} + {t\_1}^{2}, t\_2 + {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{\left|t\_0 \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right)\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{\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), \mathsf{fma}\left({\left(\left\lfloorh\right\rfloor\right)}^{2}, dY.v \cdot dY.v, t\_2\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot t\_0\right)\right|}{\sqrt{t\_4}}\\
\end{array}
\end{array}
\end{array}
Initial program 70.4%
Simplified70.4%
associate-*r*N/A
pow2N/A
pow-to-expN/A
exp-prodN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3255.6%
Applied egg-rr55.6%
Applied egg-rr55.6%
Applied egg-rr55.6%
+-commutativeN/A
rem-exp-logN/A
unpow-prod-downN/A
fma-defineN/A
fma-lowering-fma.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f32N/A
unpow2N/A
*-lowering-*.f32N/A
associate-*r*N/A
unpow2N/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3270.4%
Applied egg-rr70.4%
Final simplification70.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u))))
(t_1 (* (floor h) dX.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dY.v))
(t_4 (* (floor w) dX.u))
(t_5
(fmax
(+ (pow t_4 2.0) (pow t_1 2.0))
(+ (pow t_2 2.0) (pow t_3 2.0)))))
(log2
(if (> (/ (/ t_5 (floor w)) (fabs t_0)) (floor maxAniso))
(/
(sqrt
(fmax
(+ (* (floor w) (* dX.u t_4)) (* (floor h) (* dX.v t_1)))
(+ (* (floor w) (* dY.u t_2)) (pow (exp (log t_3)) 2.0))))
(floor maxAniso))
(/ (fabs (* (floor w) t_0)) (sqrt 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_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(h) * dY_46_v;
float t_4 = floorf(w) * dX_46_u;
float t_5 = fmaxf((powf(t_4, 2.0f) + powf(t_1, 2.0f)), (powf(t_2, 2.0f) + powf(t_3, 2.0f)));
float tmp;
if (((t_5 / floorf(w)) / fabsf(t_0)) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((floorf(w) * (dX_46_u * t_4)) + (floorf(h) * (dX_46_v * t_1))), ((floorf(w) * (dY_46_u * t_2)) + powf(expf(logf(t_3)), 2.0f)))) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * t_0)) / sqrtf(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) * 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(h) * dY_46_v) t_4 = Float32(floor(w) * dX_46_u) t_5 = (Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) : ((Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))) ? Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : max(Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))), Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))))) tmp = Float32(0.0) if (Float32(Float32(t_5 / floor(w)) / abs(t_0)) > floor(maxAniso)) tmp = Float32(sqrt(((Float32(Float32(floor(w) * Float32(dX_46_u * t_4)) + Float32(floor(h) * Float32(dX_46_v * t_1))) != Float32(Float32(floor(w) * Float32(dX_46_u * t_4)) + Float32(floor(h) * Float32(dX_46_v * t_1)))) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + (exp(log(t_3)) ^ Float32(2.0))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + (exp(log(t_3)) ^ Float32(2.0))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + (exp(log(t_3)) ^ Float32(2.0)))) ? Float32(Float32(floor(w) * Float32(dX_46_u * t_4)) + Float32(floor(h) * Float32(dX_46_v * t_1))) : max(Float32(Float32(floor(w) * Float32(dX_46_u * t_4)) + Float32(floor(h) * Float32(dX_46_v * t_1))), Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + (exp(log(t_3)) ^ Float32(2.0))))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(w) * t_0)) / sqrt(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_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(h) * dY_46_v; t_4 = floor(w) * dX_46_u; t_5 = max(((t_4 ^ single(2.0)) + (t_1 ^ single(2.0))), ((t_2 ^ single(2.0)) + (t_3 ^ single(2.0)))); tmp = single(0.0); if (((t_5 / floor(w)) / abs(t_0)) > floor(maxAniso)) tmp = sqrt(max(((floor(w) * (dX_46_u * t_4)) + (floor(h) * (dX_46_v * t_1))), ((floor(w) * (dY_46_u * t_2)) + (exp(log(t_3)) ^ single(2.0))))) / floor(maxAniso); else tmp = abs((floor(w) * t_0)) / sqrt(t_5); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\\
t_1 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_4 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_5 := \mathsf{max}\left({t\_4}^{2} + {t\_1}^{2}, {t\_2}^{2} + {t\_3}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{t\_5}{\left\lfloorw\right\rfloor}}{\left|t\_0\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_4\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(e^{\log t\_3}\right)}^{2}\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left\lfloorw\right\rfloor \cdot t\_0\right|}{\sqrt{t\_5}}\\
\end{array}
\end{array}
\end{array}
Initial program 70.4%
Simplified70.4%
associate-*r*N/A
pow2N/A
pow-to-expN/A
exp-prodN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3255.6%
Applied egg-rr55.6%
Applied egg-rr56.4%
Applied egg-rr56.1%
Applied egg-rr56.1%
herbie shell --seed 2024152
(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)))))))))