
(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 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
Herbie found 12 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 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_1 (+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0)))
(t_2 (pow (* (floor w) dY.u) 2.0))
(t_3 (fmax t_1 (+ (pow (* (floor h) dY.v) 2.0) t_2))))
(log2
(if (> (/ t_3 t_0) (floor maxAniso))
(/
(sqrt (fmax t_1 (fma (pow (floor h) 2.0) (* dY.v dY.v) t_2)))
(floor maxAniso))
(/ t_0 (sqrt t_3))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_1 = powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = powf((floorf(w) * dY_46_u), 2.0f);
float t_3 = fmaxf(t_1, (powf((floorf(h) * dY_46_v), 2.0f) + t_2));
float tmp;
if ((t_3 / t_0) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_1, fmaf(powf(floorf(h), 2.0f), (dY_46_v * dY_46_v), t_2))) / floorf(maxAniso);
} else {
tmp = t_0 / sqrtf(t_3);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_1 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) t_2 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_3 = fmax(t_1, Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_2)) tmp = Float32(0.0) if (Float32(t_3 / t_0) > floor(maxAniso)) tmp = Float32(sqrt(fmax(t_1, fma((floor(h) ^ Float32(2.0)), Float32(dY_46_v * dY_46_v), t_2))) / floor(maxAniso)); else tmp = Float32(t_0 / sqrt(t_3)); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := \mathsf{max}\left(t\_1, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_2\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_3}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_1, \mathsf{fma}\left({\left(\left\lfloor h\right\rfloor \right)}^{2}, dY.v \cdot dY.v, t\_2\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{t\_3}}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Applied rewrites80.4%
lift-+.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
pow2N/A
lift-*.f32N/A
lower-fma.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3280.5
lift-*.f32N/A
pow2N/A
lift-pow.f3280.5
Applied rewrites80.5%
Final simplification80.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fmax
(+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0))
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0))))
(t_1 (sqrt t_0))
(t_2
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v))))))
(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(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f)));
float t_1 = sqrtf(t_0);
float t_2 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
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 = fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) t_1 = sqrt(t_0) t_2 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) 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(h) * dX_46_v) ^ single(2.0)) + ((floor(w) * dX_46_u) ^ single(2.0))), (((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)))); t_1 = sqrt(t_0); t_2 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); 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\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\\
t_1 := \sqrt{t\_0}\\
t_2 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_0}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_1}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_1}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Applied rewrites80.4%
Final simplification80.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (floor w)))
(t_1
(fmax
(+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0))
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0))))
(t_2 (sqrt t_1)))
(log2
(if (> (/ t_1 (fabs (* t_0 (* dY.u dX.v)))) (floor maxAniso))
(/ t_2 (floor maxAniso))
(/ (fabs (* t_0 (- (* dY.v dX.u) (* dY.u dX.v)))) 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 = floorf(h) * floorf(w);
float t_1 = fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f)));
float t_2 = sqrtf(t_1);
float tmp;
if ((t_1 / fabsf((t_0 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = t_2 / floorf(maxAniso);
} else {
tmp = fabsf((t_0 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / 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(floor(h) * floor(w)) t_1 = fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) t_2 = sqrt(t_1) tmp = Float32(0.0) if (Float32(t_1 / abs(Float32(t_0 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(t_2 / floor(maxAniso)); else tmp = Float32(abs(Float32(t_0 * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) / 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 = floor(h) * floor(w); t_1 = max((((floor(h) * dX_46_v) ^ single(2.0)) + ((floor(w) * dX_46_u) ^ single(2.0))), (((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)))); t_2 = sqrt(t_1); tmp = single(0.0); if ((t_1 / abs((t_0 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = t_2 / floor(maxAniso); else tmp = abs((t_0 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / t_2; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_1 := \mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\\
t_2 := \sqrt{t\_1}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_1}{\left|t\_0 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_2}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_0 \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|}{t\_2}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Applied rewrites80.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3279.8
Applied rewrites79.8%
Final simplification79.8%
(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 (pow (* (floor w) dX.u) 2.0))
(t_2 (fmax (+ t_1 (pow (* (floor h) dX.v) 2.0)) t_0))
(t_3
(fabs (* (* (- (* dY.v dX.u) (* dY.u dX.v)) (floor h)) (floor w)))))
(log2
(if (> (/ t_2 t_3) (floor maxAniso))
(/ (sqrt t_2) (floor maxAniso))
(/ t_3 (sqrt (fmax t_1 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 = powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = fmaxf((t_1 + powf((floorf(h) * dX_46_v), 2.0f)), t_0);
float t_3 = fabsf(((((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)) * floorf(h)) * floorf(w)));
float tmp;
if ((t_2 / t_3) > floorf(maxAniso)) {
tmp = sqrtf(t_2) / floorf(maxAniso);
} else {
tmp = t_3 / sqrtf(fmaxf(t_1, 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(floor(w) * dX_46_u) ^ Float32(2.0) t_2 = fmax(Float32(t_1 + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), t_0) t_3 = abs(Float32(Float32(Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)) * floor(h)) * floor(w))) tmp = Float32(0.0) if (Float32(t_2 / t_3) > floor(maxAniso)) tmp = Float32(sqrt(t_2) / floor(maxAniso)); else tmp = Float32(t_3 / sqrt(fmax(t_1, 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 = (floor(w) * dX_46_u) ^ single(2.0); t_2 = max((t_1 + ((floor(h) * dX_46_v) ^ single(2.0))), t_0); t_3 = abs(((((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)) * floor(h)) * floor(w))); tmp = single(0.0); if ((t_2 / t_3) > floor(maxAniso)) tmp = sqrt(t_2) / floor(maxAniso); else tmp = t_3 / sqrt(max(t_1, t_0)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_2 := \mathsf{max}\left(t\_1 + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)\\
t_3 := \left|\left(\left(dY.v \cdot dX.u - dY.u \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{t\_3} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_2}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{\sqrt{\mathsf{max}\left(t\_1, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3279.0
Applied rewrites79.0%
Applied rewrites79.0%
Final simplification79.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0)))
(t_2 (* (floor h) (floor w))))
(log2
(if (> (/ (fmax t_1 t_0) (fabs (* t_2 (* dY.u dX.v)))) (floor maxAniso))
(/
(sqrt
(fmax
t_1
(fma (pow (floor h) 2.0) (* dY.v dY.v) (pow (* dY.u (floor w)) 2.0))))
(floor maxAniso))
(/
(fabs (* t_2 (- (* dY.v dX.u) (* dY.u dX.v))))
(sqrt (fmax t_1 (+ (pow (* (floor h) dY.v) 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);
float t_1 = powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = floorf(h) * floorf(w);
float tmp;
if ((fmaxf(t_1, t_0) / fabsf((t_2 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_1, fmaf(powf(floorf(h), 2.0f), (dY_46_v * dY_46_v), powf((dY_46_u * floorf(w)), 2.0f)))) / floorf(maxAniso);
} else {
tmp = fabsf((t_2 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / sqrtf(fmaxf(t_1, (powf((floorf(h) * dY_46_v), 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(floor(w) * dY_46_u) ^ Float32(2.0) t_1 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) t_2 = Float32(floor(h) * floor(w)) tmp = Float32(0.0) if (Float32(fmax(t_1, t_0) / abs(Float32(t_2 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(t_1, fma((floor(h) ^ Float32(2.0)), Float32(dY_46_v * dY_46_v), (Float32(dY_46_u * floor(w)) ^ Float32(2.0))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(t_2 * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) / sqrt(fmax(t_1, Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_0)))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_0\right)}{\left|t\_2 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_1, \mathsf{fma}\left({\left(\left\lfloor h\right\rfloor \right)}^{2}, dY.v \cdot dY.v, {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_2 \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|}{\sqrt{\mathsf{max}\left(t\_1, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Applied rewrites80.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.0
Applied rewrites69.0%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3278.5
Applied rewrites78.5%
lift-+.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
lower-fma.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3278.5
lift-*.f32N/A
*-commutativeN/A
lower-*.f3278.5
Applied rewrites78.5%
Final simplification78.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0)))
(t_2 (sqrt (fmax t_1 (+ (pow (* (floor h) dY.v) 2.0) t_0))))
(t_3 (* (floor h) (floor w))))
(log2
(if (> (/ (fmax t_1 t_0) (fabs (* t_3 (* dY.u dX.v)))) (floor maxAniso))
(/ t_2 (floor maxAniso))
(/ (fabs (* t_3 (- (* dY.v dX.u) (* dY.u dX.v)))) 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 = powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = sqrtf(fmaxf(t_1, (powf((floorf(h) * dY_46_v), 2.0f) + t_0)));
float t_3 = floorf(h) * floorf(w);
float tmp;
if ((fmaxf(t_1, t_0) / fabsf((t_3 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = t_2 / floorf(maxAniso);
} else {
tmp = fabsf((t_3 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / 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(floor(w) * dY_46_u) ^ Float32(2.0) t_1 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) t_2 = sqrt(fmax(t_1, Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_0))) t_3 = Float32(floor(h) * floor(w)) tmp = Float32(0.0) if (Float32(fmax(t_1, t_0) / abs(Float32(t_3 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(t_2 / floor(maxAniso)); else tmp = Float32(abs(Float32(t_3 * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) / 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 = (floor(w) * dY_46_u) ^ single(2.0); t_1 = ((floor(h) * dX_46_v) ^ single(2.0)) + ((floor(w) * dX_46_u) ^ single(2.0)); t_2 = sqrt(max(t_1, (((floor(h) * dY_46_v) ^ single(2.0)) + t_0))); t_3 = floor(h) * floor(w); tmp = single(0.0); if ((max(t_1, t_0) / abs((t_3 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = t_2 / floor(maxAniso); else tmp = abs((t_3 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / t_2; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_2 := \sqrt{\mathsf{max}\left(t\_1, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_0\right)}\\
t_3 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_0\right)}{\left|t\_3 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_2}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_3 \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|}{t\_2}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Applied rewrites80.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.0
Applied rewrites69.0%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3278.5
Applied rewrites78.5%
Final simplification78.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2 (+ t_1 (pow (* (floor w) dX.u) 2.0)))
(t_3
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_4 (pow (* (floor h) dY.v) 2.0))
(t_5 (sqrt (fmax t_2 (+ t_4 t_0))))
(t_6 (/ t_5 (floor maxAniso))))
(if (or (<= dY.v -2000.0) (not (<= dY.v 5000000.0)))
(log2
(if (> (/ (fmax t_1 (pow (* dY.v (floor h)) 2.0)) t_3) (floor maxAniso))
t_6
(/ t_3 t_5)))
(log2
(if (> (/ (fmax t_2 t_0) t_3) (floor maxAniso))
t_6
(/ t_3 (sqrt (fmax t_2 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 = powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = t_1 + powf((floorf(w) * dX_46_u), 2.0f);
float t_3 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_4 = powf((floorf(h) * dY_46_v), 2.0f);
float t_5 = sqrtf(fmaxf(t_2, (t_4 + t_0)));
float t_6 = t_5 / floorf(maxAniso);
float tmp_1;
if ((dY_46_v <= -2000.0f) || !(dY_46_v <= 5000000.0f)) {
float tmp_2;
if ((fmaxf(t_1, powf((dY_46_v * floorf(h)), 2.0f)) / t_3) > floorf(maxAniso)) {
tmp_2 = t_6;
} else {
tmp_2 = t_3 / t_5;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_2, t_0) / t_3) > floorf(maxAniso)) {
tmp_3 = t_6;
} else {
tmp_3 = t_3 / sqrtf(fmaxf(t_2, t_4));
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = Float32(t_1 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) t_3 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_4 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_5 = sqrt(fmax(t_2, Float32(t_4 + t_0))) t_6 = Float32(t_5 / floor(maxAniso)) tmp_1 = Float32(0.0) if ((dY_46_v <= Float32(-2000.0)) || !(dY_46_v <= Float32(5000000.0))) tmp_2 = Float32(0.0) if (Float32(fmax(t_1, (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) / t_3) > floor(maxAniso)) tmp_2 = t_6; else tmp_2 = Float32(t_3 / t_5); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(fmax(t_2, t_0) / t_3) > floor(maxAniso)) tmp_3 = t_6; else tmp_3 = Float32(t_3 / sqrt(fmax(t_2, t_4))); 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); t_1 = (floor(h) * dX_46_v) ^ single(2.0); t_2 = t_1 + ((floor(w) * dX_46_u) ^ single(2.0)); t_3 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_4 = (floor(h) * dY_46_v) ^ single(2.0); t_5 = sqrt(max(t_2, (t_4 + t_0))); t_6 = t_5 / floor(maxAniso); tmp_2 = single(0.0); if ((dY_46_v <= single(-2000.0)) || ~((dY_46_v <= single(5000000.0)))) tmp_3 = single(0.0); if ((max(t_1, ((dY_46_v * floor(h)) ^ single(2.0))) / t_3) > floor(maxAniso)) tmp_3 = t_6; else tmp_3 = t_3 / t_5; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((max(t_2, t_0) / t_3) > floor(maxAniso)) tmp_4 = t_6; else tmp_4 = t_3 / sqrt(max(t_2, t_4)); end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_3 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_5 := \sqrt{\mathsf{max}\left(t\_2, t\_4 + t\_0\right)}\\
t_6 := \frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{if}\;dY.v \leq -2000 \lor \neg \left(dY.v \leq 5000000\right):\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}{t\_3} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{t\_5}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_2, t\_0\right)}{t\_3} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{\sqrt{\mathsf{max}\left(t\_2, t\_4\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dY.v < -2e3 or 5e6 < dY.v Initial program 69.3%
Applied rewrites69.3%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3241.4
Applied rewrites41.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3237.4
Applied rewrites37.4%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3264.4
Applied rewrites64.4%
if -2e3 < dY.v < 5e6Initial program 86.3%
Applied rewrites86.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3283.6
Applied rewrites83.6%
Taylor expanded in dY.u around 0
unpow-prod-downN/A
pow2N/A
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3282.9
Applied rewrites82.9%
Final simplification76.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_3 (+ (pow (* (floor h) dY.v) 2.0) t_0))
(t_4 (sqrt (fmax (+ t_1 (pow (* (floor w) dX.u) 2.0)) t_3)))
(t_5 (/ t_2 t_4)))
(if (or (<= dY.v -2000.0) (not (<= dY.v 1200.0)))
(log2
(if (> (/ (fmax t_1 (pow (* dY.v (floor h)) 2.0)) t_2) (floor maxAniso))
(/ t_4 (floor maxAniso))
t_5))
(log2
(if (> (/ (fmax t_1 t_0) t_2) (floor maxAniso))
(/
(sqrt (fmax (fma (* (* dX.u (floor w)) (floor w)) dX.u t_1) t_3))
(floor maxAniso))
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 = powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_3 = powf((floorf(h) * dY_46_v), 2.0f) + t_0;
float t_4 = sqrtf(fmaxf((t_1 + powf((floorf(w) * dX_46_u), 2.0f)), t_3));
float t_5 = t_2 / t_4;
float tmp_1;
if ((dY_46_v <= -2000.0f) || !(dY_46_v <= 1200.0f)) {
float tmp_2;
if ((fmaxf(t_1, powf((dY_46_v * floorf(h)), 2.0f)) / t_2) > floorf(maxAniso)) {
tmp_2 = t_4 / floorf(maxAniso);
} else {
tmp_2 = t_5;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_1, t_0) / t_2) > floorf(maxAniso)) {
tmp_3 = sqrtf(fmaxf(fmaf(((dX_46_u * floorf(w)) * floorf(w)), dX_46_u, t_1), t_3)) / floorf(maxAniso);
} else {
tmp_3 = t_5;
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_3 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_0) t_4 = sqrt(fmax(Float32(t_1 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), t_3)) t_5 = Float32(t_2 / t_4) tmp_1 = Float32(0.0) if ((dY_46_v <= Float32(-2000.0)) || !(dY_46_v <= Float32(1200.0))) tmp_2 = Float32(0.0) if (Float32(fmax(t_1, (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) / t_2) > floor(maxAniso)) tmp_2 = Float32(t_4 / floor(maxAniso)); else tmp_2 = t_5; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(fmax(t_1, t_0) / t_2) > floor(maxAniso)) tmp_3 = Float32(sqrt(fmax(fma(Float32(Float32(dX_46_u * floor(w)) * floor(w)), dX_46_u, t_1), t_3)) / floor(maxAniso)); else tmp_3 = t_5; end tmp_1 = log2(tmp_3); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_0\\
t_4 := \sqrt{\mathsf{max}\left(t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_3\right)}\\
t_5 := \frac{t\_2}{t\_4}\\
\mathbf{if}\;dY.v \leq -2000 \lor \neg \left(dY.v \leq 1200\right):\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_4}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_0\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot \left\lfloor w\right\rfloor , dX.u, t\_1\right), t\_3\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\end{array}
\end{array}
if dY.v < -2e3 or 1200 < dY.v Initial program 71.4%
Applied rewrites71.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3245.4
Applied rewrites45.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3238.4
Applied rewrites38.4%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3262.3
Applied rewrites62.3%
if -2e3 < dY.v < 1200Initial program 86.4%
Applied rewrites86.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3284.6
Applied rewrites84.6%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3271.0
Applied rewrites71.0%
lift-+.f32N/A
+-commutativeN/A
lift-pow.f32N/A
pow2N/A
lift-*.f32N/A
associate-*r*N/A
lift-*.f32N/A
lift-fma.f3271.0
lift-*.f32N/A
*-commutativeN/A
lower-*.f3271.0
Applied rewrites71.0%
Final simplification67.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (pow t_0 2.0))
(t_2 (pow (* (floor w) dX.u) 2.0))
(t_3 (pow (* (floor w) dY.u) 2.0))
(t_4
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_5 (+ (pow (* (floor h) dY.v) 2.0) t_3))
(t_6 (> (/ (fmax t_1 t_3) t_4) (floor maxAniso)))
(t_7 (/ t_4 (sqrt (fmax (+ t_1 t_2) t_5)))))
(if (<= dX.v 1.999999936531045e-19)
(log2
(if t_6
(/
(sqrt (fmax (+ t_1 (exp (* (log (* dX.u (floor w))) 2.0))) t_5))
(floor maxAniso))
t_7))
(log2
(if t_6
(/ (sqrt (fmax (+ (exp (* (log t_0) 2.0)) t_2) t_5)) (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) * dX_46_v;
float t_1 = powf(t_0, 2.0f);
float t_2 = powf((floorf(w) * dX_46_u), 2.0f);
float t_3 = powf((floorf(w) * dY_46_u), 2.0f);
float t_4 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_5 = powf((floorf(h) * dY_46_v), 2.0f) + t_3;
int t_6 = (fmaxf(t_1, t_3) / t_4) > floorf(maxAniso);
float t_7 = t_4 / sqrtf(fmaxf((t_1 + t_2), t_5));
float tmp_1;
if (dX_46_v <= 1.999999936531045e-19f) {
float tmp_2;
if (t_6) {
tmp_2 = sqrtf(fmaxf((t_1 + expf((logf((dX_46_u * floorf(w))) * 2.0f))), t_5)) / floorf(maxAniso);
} else {
tmp_2 = t_7;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if (t_6) {
tmp_3 = sqrtf(fmaxf((expf((logf(t_0) * 2.0f)) + t_2), t_5)) / floorf(maxAniso);
} else {
tmp_3 = t_7;
}
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) * dX_46_v) t_1 = t_0 ^ Float32(2.0) t_2 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_3 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_4 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_5 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_3) t_6 = Float32(fmax(t_1, t_3) / t_4) > floor(maxAniso) t_7 = Float32(t_4 / sqrt(fmax(Float32(t_1 + t_2), t_5))) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(1.999999936531045e-19)) tmp_2 = Float32(0.0) if (t_6) tmp_2 = Float32(sqrt(fmax(Float32(t_1 + exp(Float32(log(Float32(dX_46_u * floor(w))) * Float32(2.0)))), t_5)) / floor(maxAniso)); else tmp_2 = t_7; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (t_6) tmp_3 = Float32(sqrt(fmax(Float32(exp(Float32(log(t_0) * Float32(2.0))) + t_2), t_5)) / floor(maxAniso)); else tmp_3 = t_7; 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) * dX_46_v; t_1 = t_0 ^ single(2.0); t_2 = (floor(w) * dX_46_u) ^ single(2.0); t_3 = (floor(w) * dY_46_u) ^ single(2.0); t_4 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_5 = ((floor(h) * dY_46_v) ^ single(2.0)) + t_3; t_6 = (max(t_1, t_3) / t_4) > floor(maxAniso); t_7 = t_4 / sqrt(max((t_1 + t_2), t_5)); tmp_2 = single(0.0); if (dX_46_v <= single(1.999999936531045e-19)) tmp_3 = single(0.0); if (t_6) tmp_3 = sqrt(max((t_1 + exp((log((dX_46_u * floor(w))) * single(2.0)))), t_5)) / floor(maxAniso); else tmp_3 = t_7; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if (t_6) tmp_4 = sqrt(max((exp((log(t_0) * single(2.0))) + t_2), t_5)) / floor(maxAniso); else tmp_4 = t_7; end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {t\_0}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_3 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_4 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
t_5 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_3\\
t_6 := \frac{\mathsf{max}\left(t\_1, t\_3\right)}{t\_4} > \left\lfloor maxAniso\right\rfloor \\
t_7 := \frac{t\_4}{\sqrt{\mathsf{max}\left(t\_1 + t\_2, t\_5\right)}}\\
\mathbf{if}\;dX.v \leq 1.999999936531045 \cdot 10^{-19}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_1 + e^{\log \left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot 2}, t\_5\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(e^{\log t\_0 \cdot 2} + t\_2, t\_5\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\end{array}
\end{array}
if dX.v < 1.99999994e-19Initial program 78.9%
Applied rewrites79.0%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3264.7
Applied rewrites64.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3250.5
Applied rewrites50.5%
lift-pow.f32N/A
pow-to-expN/A
lower-exp.f32N/A
lift-*.f32N/A
sum-logN/A
lift-floor.f32N/A
lower-*.f32N/A
lift-floor.f32N/A
sum-logN/A
lift-*.f32N/A
lower-log.f3247.6
lift-*.f32N/A
*-commutativeN/A
lower-*.f3247.6
Applied rewrites47.6%
if 1.99999994e-19 < dX.v Initial program 82.0%
Applied rewrites82.1%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3273.7
Applied rewrites73.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3266.4
Applied rewrites66.4%
lift-pow.f32N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f3266.1
Applied rewrites66.1%
Final simplification56.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_3 (+ (pow (* (floor h) dY.v) 2.0) t_0)))
(log2
(if (> (/ (fmax t_1 t_0) t_2) (floor maxAniso))
(/
(sqrt (fmax (fma (* (* dX.u (floor w)) (floor w)) dX.u t_1) t_3))
(floor maxAniso))
(/ t_2 (sqrt (fmax (+ t_1 (pow (* (floor w) dX.u) 2.0)) t_3)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_3 = powf((floorf(h) * dY_46_v), 2.0f) + t_0;
float tmp;
if ((fmaxf(t_1, t_0) / t_2) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(fmaf(((dX_46_u * floorf(w)) * floorf(w)), dX_46_u, t_1), t_3)) / floorf(maxAniso);
} else {
tmp = t_2 / sqrtf(fmaxf((t_1 + powf((floorf(w) * dX_46_u), 2.0f)), t_3));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_3 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_0) tmp = Float32(0.0) if (Float32(fmax(t_1, t_0) / t_2) > floor(maxAniso)) tmp = Float32(sqrt(fmax(fma(Float32(Float32(dX_46_u * floor(w)) * floor(w)), dX_46_u, t_1), t_3)) / floor(maxAniso)); else tmp = Float32(t_2 / sqrt(fmax(Float32(t_1 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), t_3))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_0\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_0\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot \left\lfloor w\right\rfloor , dX.u, t\_1\right), t\_3\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{\sqrt{\mathsf{max}\left(t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_3\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Applied rewrites80.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.0
Applied rewrites69.0%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3258.0
Applied rewrites58.0%
lift-+.f32N/A
+-commutativeN/A
lift-pow.f32N/A
pow2N/A
lift-*.f32N/A
associate-*r*N/A
lift-*.f32N/A
lift-fma.f3258.0
lift-*.f32N/A
*-commutativeN/A
lower-*.f3258.0
Applied rewrites58.0%
Final simplification58.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2 (pow (* (floor w) dY.u) 2.0))
(t_3
(sqrt
(fmax
(+ t_1 (pow (* (floor w) dX.u) 2.0))
(+ (pow (* (floor h) dY.v) 2.0) t_2)))))
(log2
(if (> (/ (fmax t_1 t_2) t_0) (floor maxAniso))
(/ t_3 (floor maxAniso))
(/ t_0 t_3)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = powf((floorf(w) * dY_46_u), 2.0f);
float t_3 = sqrtf(fmaxf((t_1 + powf((floorf(w) * dX_46_u), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + t_2)));
float tmp;
if ((fmaxf(t_1, t_2) / t_0) > floorf(maxAniso)) {
tmp = t_3 / floorf(maxAniso);
} else {
tmp = t_0 / t_3;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_3 = sqrt(fmax(Float32(t_1 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_2))) tmp = Float32(0.0) if (Float32(fmax(t_1, t_2) / t_0) > floor(maxAniso)) tmp = Float32(t_3 / floor(maxAniso)); else tmp = Float32(t_0 / t_3); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_1 = (floor(h) * dX_46_v) ^ single(2.0); t_2 = (floor(w) * dY_46_u) ^ single(2.0); t_3 = sqrt(max((t_1 + ((floor(w) * dX_46_u) ^ single(2.0))), (((floor(h) * dY_46_v) ^ single(2.0)) + t_2))); tmp = single(0.0); if ((max(t_1, t_2) / t_0) > floor(maxAniso)) tmp = t_3 / floor(maxAniso); else tmp = t_0 / t_3; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_2\right)}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_2\right)}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Applied rewrites80.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.0
Applied rewrites69.0%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3258.0
Applied rewrites58.0%
Final simplification58.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_2 (pow (* (floor w) dX.u) 2.0))
(t_3 (+ (pow (* (floor h) dY.v) 2.0) t_0))
(t_4 (* (floor h) dX.v))
(t_5 (pow t_4 2.0)))
(log2
(if (> (/ (fmax t_5 t_0) t_1) (floor maxAniso))
(/ (sqrt (fmax (+ (exp (* (log t_4) 2.0)) t_2) t_3)) (floor maxAniso))
(/ t_1 (sqrt (fmax (+ t_5 t_2) t_3)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_2 = powf((floorf(w) * dX_46_u), 2.0f);
float t_3 = powf((floorf(h) * dY_46_v), 2.0f) + t_0;
float t_4 = floorf(h) * dX_46_v;
float t_5 = powf(t_4, 2.0f);
float tmp;
if ((fmaxf(t_5, t_0) / t_1) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf((expf((logf(t_4) * 2.0f)) + t_2), t_3)) / floorf(maxAniso);
} else {
tmp = t_1 / sqrtf(fmaxf((t_5 + t_2), t_3));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_1 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_2 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_3 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_0) t_4 = Float32(floor(h) * dX_46_v) t_5 = t_4 ^ Float32(2.0) tmp = Float32(0.0) if (Float32(fmax(t_5, t_0) / t_1) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(exp(Float32(log(t_4) * Float32(2.0))) + t_2), t_3)) / floor(maxAniso)); else tmp = Float32(t_1 / sqrt(fmax(Float32(t_5 + t_2), t_3))); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (floor(w) * dY_46_u) ^ single(2.0); t_1 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_2 = (floor(w) * dX_46_u) ^ single(2.0); t_3 = ((floor(h) * dY_46_v) ^ single(2.0)) + t_0; t_4 = floor(h) * dX_46_v; t_5 = t_4 ^ single(2.0); tmp = single(0.0); if ((max(t_5, t_0) / t_1) > floor(maxAniso)) tmp = sqrt(max((exp((log(t_4) * single(2.0))) + t_2), t_3)) / floor(maxAniso); else tmp = t_1 / sqrt(max((t_5 + t_2), t_3)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_0\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := {t\_4}^{2}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_5, t\_0\right)}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(e^{\log t\_4 \cdot 2} + t\_2, t\_3\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left(t\_5 + t\_2, t\_3\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 80.4%
Applied rewrites80.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.0
Applied rewrites69.0%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3258.0
Applied rewrites58.0%
lift-pow.f32N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f3253.1
Applied rewrites53.1%
Final simplification53.1%
herbie shell --seed 2025084
(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)))))))))