
(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}
Sampling outcomes in binary32 precision:
Herbie found 9 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
(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 74.6%
Applied rewrites74.6%
Final simplification74.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dX.u) 2.0))
(t_1 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_2 (fmax (+ (pow (* (floor h) dX.v) 2.0) t_0) t_1))
(t_3
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v))))))
(log2
(if (> (/ t_2 t_3) (floor maxAniso))
(/ (sqrt t_2) (floor maxAniso))
(/ t_3 (sqrt (fmax t_0 t_1)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((floorf(w) * dX_46_u), 2.0f);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_2 = fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + t_0), t_1);
float t_3 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float tmp;
if ((t_2 / t_3) > floorf(maxAniso)) {
tmp = sqrtf(t_2) / floorf(maxAniso);
} else {
tmp = t_3 / sqrtf(fmaxf(t_0, 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(floor(w) * dX_46_u) ^ Float32(2.0) t_1 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_2 = fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_0), t_1) t_3 = 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_2 / t_3) > floor(maxAniso)) tmp = Float32(sqrt(t_2) / floor(maxAniso)); else tmp = Float32(t_3 / sqrt(fmax(t_0, t_1))); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (floor(w) * dX_46_u) ^ single(2.0); t_1 = ((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_2 = max((((floor(h) * dX_46_v) ^ single(2.0)) + t_0), t_1); t_3 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); tmp = single(0.0); if ((t_2 / t_3) > floor(maxAniso)) tmp = sqrt(t_2) / floor(maxAniso); else tmp = t_3 / sqrt(max(t_0, t_1)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_2 := \mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_0, t\_1\right)\\
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|\\
\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\_0, t\_1\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.6%
Applied rewrites74.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.3
Applied rewrites74.3%
Final simplification74.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_1 (pow (* (floor w) dX.u) 2.0))
(t_2 (sqrt (fmax (+ (pow (* (floor h) dX.v) 2.0) t_1) t_0)))
(t_3 (* (floor h) (floor w))))
(log2
(if (>
(/ (fmax t_1 t_0) (fabs (* t_3 (* (- dX.u) dY.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(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = sqrtf(fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + t_1), t_0));
float t_3 = floorf(h) * floorf(w);
float tmp;
if ((fmaxf(t_1, t_0) / fabsf((t_3 * (-dX_46_u * dY_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((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_1 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_2 = sqrt(fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_1), 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(Float32(-dX_46_u) * dY_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(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_1 = (floor(w) * dX_46_u) ^ single(2.0); t_2 = sqrt(max((((floor(h) * dX_46_v) ^ single(2.0)) + t_1), t_0)); t_3 = floor(h) * floor(w); tmp = single(0.0); if ((max(t_1, t_0) / abs((t_3 * (-dX_46_u * dY_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 h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_2 := \sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_1, 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(\left(-dX.u\right) \cdot dY.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 74.6%
Applied rewrites74.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3267.8
Applied rewrites67.8%
Taylor expanded in dX.u around inf
associate-*r*N/A
lower-*.f32N/A
mul-1-negN/A
lower-neg.f3273.1
Applied rewrites73.1%
Final simplification73.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dX.u) 2.0))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (+ (pow (* (floor h) dX.v) 2.0) t_0))
(t_3 (* (floor h) (floor w)))
(t_4 (fabs (* t_3 (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_5 (pow (* (floor w) dY.u) 2.0))
(t_6 (+ t_1 t_5))
(t_7 (fmax t_0 t_6))
(t_8 (/ (sqrt (fmax t_2 t_6)) (floor maxAniso))))
(if (<= dX.v -52.0)
(log2
(if (>
(/
(fmax t_2 t_5)
(fabs (* t_3 (* (- (/ (* dY.u dX.v) dX.u) dY.v) dX.u))))
(floor maxAniso))
t_8
(/ t_4 (sqrt t_7))))
(log2
(if (> (/ t_7 t_4) (floor maxAniso))
t_8
(/ t_4 (sqrt (fmax 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 = powf((floorf(w) * dX_46_u), 2.0f);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f) + t_0;
float t_3 = floorf(h) * floorf(w);
float t_4 = fabsf((t_3 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_5 = powf((floorf(w) * dY_46_u), 2.0f);
float t_6 = t_1 + t_5;
float t_7 = fmaxf(t_0, t_6);
float t_8 = sqrtf(fmaxf(t_2, t_6)) / floorf(maxAniso);
float tmp_1;
if (dX_46_v <= -52.0f) {
float tmp_2;
if ((fmaxf(t_2, t_5) / fabsf((t_3 * ((((dY_46_u * dX_46_v) / dX_46_u) - dY_46_v) * dX_46_u)))) > floorf(maxAniso)) {
tmp_2 = t_8;
} else {
tmp_2 = t_4 / sqrtf(t_7);
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((t_7 / t_4) > floorf(maxAniso)) {
tmp_3 = t_8;
} else {
tmp_3 = t_4 / sqrtf(fmaxf(t_2, t_1));
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_0) t_3 = Float32(floor(h) * floor(w)) t_4 = abs(Float32(t_3 * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_5 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_6 = Float32(t_1 + t_5) t_7 = fmax(t_0, t_6) t_8 = Float32(sqrt(fmax(t_2, t_6)) / floor(maxAniso)) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(-52.0)) tmp_2 = Float32(0.0) if (Float32(fmax(t_2, t_5) / abs(Float32(t_3 * Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) / dX_46_u) - dY_46_v) * dX_46_u)))) > floor(maxAniso)) tmp_2 = t_8; else tmp_2 = Float32(t_4 / sqrt(t_7)); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(t_7 / t_4) > floor(maxAniso)) tmp_3 = t_8; else tmp_3 = Float32(t_4 / sqrt(fmax(t_2, t_1))); end tmp_1 = log2(tmp_3); end return tmp_1 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (floor(w) * dX_46_u) ^ single(2.0); t_1 = (floor(h) * dY_46_v) ^ single(2.0); t_2 = ((floor(h) * dX_46_v) ^ single(2.0)) + t_0; t_3 = floor(h) * floor(w); t_4 = abs((t_3 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_5 = (floor(w) * dY_46_u) ^ single(2.0); t_6 = t_1 + t_5; t_7 = max(t_0, t_6); t_8 = sqrt(max(t_2, t_6)) / floor(maxAniso); tmp_2 = single(0.0); if (dX_46_v <= single(-52.0)) tmp_3 = single(0.0); if ((max(t_2, t_5) / abs((t_3 * ((((dY_46_u * dX_46_v) / dX_46_u) - dY_46_v) * dX_46_u)))) > floor(maxAniso)) tmp_3 = t_8; else tmp_3 = t_4 / sqrt(t_7); end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((t_7 / t_4) > floor(maxAniso)) tmp_4 = t_8; else tmp_4 = t_4 / sqrt(max(t_2, t_1)); 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 dX.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_0\\
t_3 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_4 := \left|t\_3 \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
t_5 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_6 := t\_1 + t\_5\\
t_7 := \mathsf{max}\left(t\_0, t\_6\right)\\
t_8 := \frac{\sqrt{\mathsf{max}\left(t\_2, t\_6\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{if}\;dX.v \leq -52:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_2, t\_5\right)}{\left|t\_3 \cdot \left(\left(\frac{dY.u \cdot dX.v}{dX.u} - dY.v\right) \cdot dX.u\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{t\_7}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_7}{t\_4} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_2, t\_1\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dX.v < -52Initial program 62.0%
Applied rewrites62.0%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3262.1
Applied rewrites62.1%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower-/.f32N/A
*-commutativeN/A
lift-*.f3261.6
Applied rewrites61.6%
Taylor expanded in dY.u around inf
Applied rewrites61.4%
if -52 < dX.v Initial program 78.2%
Applied rewrites78.2%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.1
Applied rewrites74.1%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.1
Applied rewrites74.1%
Final simplification71.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dY.v) 2.0))
(t_1 (+ t_0 (pow (* (floor w) dY.u) 2.0)))
(t_2
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_3 (pow (* (floor w) dX.u) 2.0))
(t_4 (+ (pow (* (floor h) dX.v) 2.0) t_3)))
(log2
(if (> (/ (fmax t_3 t_1) t_2) (floor maxAniso))
(/ (sqrt (fmax t_4 t_1)) (floor maxAniso))
(/ t_2 (sqrt (fmax t_4 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(h) * dY_46_v), 2.0f);
float t_1 = t_0 + powf((floorf(w) * dY_46_u), 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(w) * dX_46_u), 2.0f);
float t_4 = powf((floorf(h) * dX_46_v), 2.0f) + t_3;
float tmp;
if ((fmaxf(t_3, t_1) / t_2) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_4, t_1)) / floorf(maxAniso);
} else {
tmp = t_2 / sqrtf(fmaxf(t_4, 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(h) * dY_46_v) ^ Float32(2.0) t_1 = Float32(t_0 + (Float32(floor(w) * dY_46_u) ^ 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(floor(w) * dX_46_u) ^ Float32(2.0) t_4 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_3) tmp = Float32(0.0) if (Float32(fmax(t_3, t_1) / t_2) > floor(maxAniso)) tmp = Float32(sqrt(fmax(t_4, t_1)) / floor(maxAniso)); else tmp = Float32(t_2 / sqrt(fmax(t_4, 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(h) * dY_46_v) ^ single(2.0); t_1 = t_0 + ((floor(w) * dY_46_u) ^ single(2.0)); t_2 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_3 = (floor(w) * dX_46_u) ^ single(2.0); t_4 = ((floor(h) * dX_46_v) ^ single(2.0)) + t_3; tmp = single(0.0); if ((max(t_3, t_1) / t_2) > floor(maxAniso)) tmp = sqrt(max(t_4, t_1)) / floor(maxAniso); else tmp = t_2 / sqrt(max(t_4, t_0)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := t\_0 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\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 w\right\rfloor \cdot dX.u\right)}^{2}\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_3\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_3, t\_1\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_4, t\_1\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{\sqrt{\mathsf{max}\left(t\_4, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.6%
Applied rewrites74.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3267.8
Applied rewrites67.8%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3267.5
Applied rewrites67.5%
Final simplification67.5%
(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) dY.v) 2.0))
(t_2 (+ t_1 t_0))
(t_3 (* (floor w) dX.u))
(t_4 (pow t_3 2.0))
(t_5
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_6 (pow (* (floor h) dX.v) 2.0))
(t_7 (sqrt (fmax (+ t_6 t_4) t_2)))
(t_8
(log2
(if (> (/ (fmax t_4 t_0) t_5) (floor maxAniso))
(/
(sqrt (fmax (+ t_6 (exp (* (log t_3) 2.0))) t_2))
(floor maxAniso))
(/ t_5 t_7)))))
(if (<= dY.u -6.0)
t_8
(if (<= dY.u 20000000.0)
(log2
(if (> (/ (fmax t_4 t_1) t_5) (floor maxAniso))
(/ t_7 (floor maxAniso))
(/
(fabs (* (* (floor w) (- (* dY.u dX.v) (* dY.v dX.u))) (floor h)))
(sqrt (fmax (+ t_4 t_6) (+ t_0 t_1))))))
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 = powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = t_1 + t_0;
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(t_3, 2.0f);
float t_5 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_6 = powf((floorf(h) * dX_46_v), 2.0f);
float t_7 = sqrtf(fmaxf((t_6 + t_4), t_2));
float tmp;
if ((fmaxf(t_4, t_0) / t_5) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf((t_6 + expf((logf(t_3) * 2.0f))), t_2)) / floorf(maxAniso);
} else {
tmp = t_5 / t_7;
}
float t_8 = log2f(tmp);
float tmp_1;
if (dY_46_u <= -6.0f) {
tmp_1 = t_8;
} else if (dY_46_u <= 20000000.0f) {
float tmp_2;
if ((fmaxf(t_4, t_1) / t_5) > floorf(maxAniso)) {
tmp_2 = t_7 / floorf(maxAniso);
} else {
tmp_2 = fabsf(((floorf(w) * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u))) * floorf(h))) / sqrtf(fmaxf((t_4 + t_6), (t_0 + t_1)));
}
tmp_1 = log2f(tmp_2);
} else {
tmp_1 = t_8;
}
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) * dY_46_v) ^ Float32(2.0) t_2 = Float32(t_1 + t_0) t_3 = Float32(floor(w) * dX_46_u) t_4 = t_3 ^ Float32(2.0) t_5 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_6 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_7 = sqrt(fmax(Float32(t_6 + t_4), t_2)) tmp = Float32(0.0) if (Float32(fmax(t_4, t_0) / t_5) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(t_6 + exp(Float32(log(t_3) * Float32(2.0)))), t_2)) / floor(maxAniso)); else tmp = Float32(t_5 / t_7); end t_8 = log2(tmp) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-6.0)) tmp_1 = t_8; elseif (dY_46_u <= Float32(20000000.0)) tmp_2 = Float32(0.0) if (Float32(fmax(t_4, t_1) / t_5) > floor(maxAniso)) tmp_2 = Float32(t_7 / floor(maxAniso)); else tmp_2 = Float32(abs(Float32(Float32(floor(w) * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u))) * floor(h))) / sqrt(fmax(Float32(t_4 + t_6), Float32(t_0 + t_1)))); end tmp_1 = log2(tmp_2); else tmp_1 = t_8; end return tmp_1 end
function tmp_4 = 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) * dY_46_v) ^ single(2.0); t_2 = t_1 + t_0; t_3 = floor(w) * dX_46_u; t_4 = t_3 ^ single(2.0); t_5 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_6 = (floor(h) * dX_46_v) ^ single(2.0); t_7 = sqrt(max((t_6 + t_4), t_2)); tmp = single(0.0); if ((max(t_4, t_0) / t_5) > floor(maxAniso)) tmp = sqrt(max((t_6 + exp((log(t_3) * single(2.0)))), t_2)) / floor(maxAniso); else tmp = t_5 / t_7; end t_8 = log2(tmp); tmp_2 = single(0.0); if (dY_46_u <= single(-6.0)) tmp_2 = t_8; elseif (dY_46_u <= single(20000000.0)) tmp_3 = single(0.0); if ((max(t_4, t_1) / t_5) > floor(maxAniso)) tmp_3 = t_7 / floor(maxAniso); else tmp_3 = abs(((floor(w) * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u))) * floor(h))) / sqrt(max((t_4 + t_6), (t_0 + t_1))); end tmp_2 = log2(tmp_3); else tmp_2 = t_8; end tmp_4 = 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 dY.v\right)}^{2}\\
t_2 := t\_1 + t\_0\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := {t\_3}^{2}\\
t_5 := \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_6 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_7 := \sqrt{\mathsf{max}\left(t\_6 + t\_4, t\_2\right)}\\
t_8 := \log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_0\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_6 + e^{\log t\_3 \cdot 2}, t\_2\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_5}{t\_7}\\
\end{array}\\
\mathbf{if}\;dY.u \leq -6:\\
\;\;\;\;t\_8\\
\mathbf{elif}\;dY.u \leq 20000000:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_1\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_7}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left\lfloor w\right\rfloor \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right) \cdot \left\lfloor h\right\rfloor \right|}{\sqrt{\mathsf{max}\left(t\_4 + t\_6, t\_0 + t\_1\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
if dY.u < -6 or 2e7 < dY.u Initial program 72.2%
Applied rewrites72.2%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3265.8
Applied rewrites65.8%
lift-pow.f32N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f3263.2
Applied rewrites63.2%
Taylor expanded in dY.u around inf
Applied rewrites63.0%
if -6 < dY.u < 2e7Initial program 76.6%
Applied rewrites76.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.4
Applied rewrites69.4%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3267.9
Applied rewrites67.9%
Applied rewrites67.9%
Final simplification65.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (+ t_1 t_0))
(t_3 (* (floor w) dX.u))
(t_4 (pow t_3 2.0))
(t_5
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_6 (pow (* (floor h) dX.v) 2.0))
(t_7 (sqrt (fmax (+ t_6 t_4) t_2)))
(t_8 (/ t_5 t_7))
(t_9
(log2
(if (> (/ (fmax t_4 t_0) t_5) (floor maxAniso))
(/
(sqrt (fmax (+ t_6 (exp (* (log t_3) 2.0))) t_2))
(floor maxAniso))
t_8))))
(if (<= dY.u -6.0)
t_9
(if (<= dY.u 20000000.0)
(log2
(if (> (/ (fmax t_4 t_1) t_5) (floor maxAniso))
(/ t_7 (floor maxAniso))
t_8))
t_9))))
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) * dY_46_v), 2.0f);
float t_2 = t_1 + t_0;
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(t_3, 2.0f);
float t_5 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_6 = powf((floorf(h) * dX_46_v), 2.0f);
float t_7 = sqrtf(fmaxf((t_6 + t_4), t_2));
float t_8 = t_5 / t_7;
float tmp;
if ((fmaxf(t_4, t_0) / t_5) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf((t_6 + expf((logf(t_3) * 2.0f))), t_2)) / floorf(maxAniso);
} else {
tmp = t_8;
}
float t_9 = log2f(tmp);
float tmp_1;
if (dY_46_u <= -6.0f) {
tmp_1 = t_9;
} else if (dY_46_u <= 20000000.0f) {
float tmp_2;
if ((fmaxf(t_4, t_1) / t_5) > floorf(maxAniso)) {
tmp_2 = t_7 / floorf(maxAniso);
} else {
tmp_2 = t_8;
}
tmp_1 = log2f(tmp_2);
} else {
tmp_1 = t_9;
}
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) * dY_46_v) ^ Float32(2.0) t_2 = Float32(t_1 + t_0) t_3 = Float32(floor(w) * dX_46_u) t_4 = t_3 ^ Float32(2.0) t_5 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_6 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_7 = sqrt(fmax(Float32(t_6 + t_4), t_2)) t_8 = Float32(t_5 / t_7) tmp = Float32(0.0) if (Float32(fmax(t_4, t_0) / t_5) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(t_6 + exp(Float32(log(t_3) * Float32(2.0)))), t_2)) / floor(maxAniso)); else tmp = t_8; end t_9 = log2(tmp) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-6.0)) tmp_1 = t_9; elseif (dY_46_u <= Float32(20000000.0)) tmp_2 = Float32(0.0) if (Float32(fmax(t_4, t_1) / t_5) > floor(maxAniso)) tmp_2 = Float32(t_7 / floor(maxAniso)); else tmp_2 = t_8; end tmp_1 = log2(tmp_2); else tmp_1 = t_9; end return tmp_1 end
function tmp_4 = 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) * dY_46_v) ^ single(2.0); t_2 = t_1 + t_0; t_3 = floor(w) * dX_46_u; t_4 = t_3 ^ single(2.0); t_5 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_6 = (floor(h) * dX_46_v) ^ single(2.0); t_7 = sqrt(max((t_6 + t_4), t_2)); t_8 = t_5 / t_7; tmp = single(0.0); if ((max(t_4, t_0) / t_5) > floor(maxAniso)) tmp = sqrt(max((t_6 + exp((log(t_3) * single(2.0)))), t_2)) / floor(maxAniso); else tmp = t_8; end t_9 = log2(tmp); tmp_2 = single(0.0); if (dY_46_u <= single(-6.0)) tmp_2 = t_9; elseif (dY_46_u <= single(20000000.0)) tmp_3 = single(0.0); if ((max(t_4, t_1) / t_5) > floor(maxAniso)) tmp_3 = t_7 / floor(maxAniso); else tmp_3 = t_8; end tmp_2 = log2(tmp_3); else tmp_2 = t_9; end tmp_4 = 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 dY.v\right)}^{2}\\
t_2 := t\_1 + t\_0\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := {t\_3}^{2}\\
t_5 := \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_6 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_7 := \sqrt{\mathsf{max}\left(t\_6 + t\_4, t\_2\right)}\\
t_8 := \frac{t\_5}{t\_7}\\
t_9 := \log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_0\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_6 + e^{\log t\_3 \cdot 2}, t\_2\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{if}\;dY.u \leq -6:\\
\;\;\;\;t\_9\\
\mathbf{elif}\;dY.u \leq 20000000:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_1\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_7}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
if dY.u < -6 or 2e7 < dY.u Initial program 72.2%
Applied rewrites72.2%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3265.8
Applied rewrites65.8%
lift-pow.f32N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f3263.2
Applied rewrites63.2%
Taylor expanded in dY.u around inf
Applied rewrites63.0%
if -6 < dY.u < 2e7Initial program 76.6%
Applied rewrites76.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.4
Applied rewrites69.4%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3267.9
Applied rewrites67.9%
Final simplification65.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (+ t_1 t_0))
(t_3 (* (floor w) dX.u))
(t_4 (pow t_3 2.0))
(t_5
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_6 (pow (* (floor h) dX.v) 2.0))
(t_7 (+ t_6 t_4))
(t_8 (sqrt (fmax t_7 t_2)))
(t_9
(log2
(if (> (/ (fmax t_4 t_0) t_5) (floor maxAniso))
(/
(sqrt (fmax (+ t_6 (exp (* (log t_3) 2.0))) t_2))
(floor maxAniso))
(/ t_5 t_8)))))
(if (<= dY.u -5.300000190734863)
t_9
(if (<= dY.u 300000000.0)
(log2
(if (> (/ (fmax t_4 t_1) t_5) (floor maxAniso))
(/ t_8 (floor maxAniso))
(/ t_5 (sqrt (fmax t_7 t_0)))))
t_9))))
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) * dY_46_v), 2.0f);
float t_2 = t_1 + t_0;
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(t_3, 2.0f);
float t_5 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float t_6 = powf((floorf(h) * dX_46_v), 2.0f);
float t_7 = t_6 + t_4;
float t_8 = sqrtf(fmaxf(t_7, t_2));
float tmp;
if ((fmaxf(t_4, t_0) / t_5) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf((t_6 + expf((logf(t_3) * 2.0f))), t_2)) / floorf(maxAniso);
} else {
tmp = t_5 / t_8;
}
float t_9 = log2f(tmp);
float tmp_1;
if (dY_46_u <= -5.300000190734863f) {
tmp_1 = t_9;
} else if (dY_46_u <= 300000000.0f) {
float tmp_2;
if ((fmaxf(t_4, t_1) / t_5) > floorf(maxAniso)) {
tmp_2 = t_8 / floorf(maxAniso);
} else {
tmp_2 = t_5 / sqrtf(fmaxf(t_7, t_0));
}
tmp_1 = log2f(tmp_2);
} else {
tmp_1 = t_9;
}
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) * dY_46_v) ^ Float32(2.0) t_2 = Float32(t_1 + t_0) t_3 = Float32(floor(w) * dX_46_u) t_4 = t_3 ^ Float32(2.0) t_5 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) t_6 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_7 = Float32(t_6 + t_4) t_8 = sqrt(fmax(t_7, t_2)) tmp = Float32(0.0) if (Float32(fmax(t_4, t_0) / t_5) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(t_6 + exp(Float32(log(t_3) * Float32(2.0)))), t_2)) / floor(maxAniso)); else tmp = Float32(t_5 / t_8); end t_9 = log2(tmp) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-5.300000190734863)) tmp_1 = t_9; elseif (dY_46_u <= Float32(300000000.0)) tmp_2 = Float32(0.0) if (Float32(fmax(t_4, t_1) / t_5) > floor(maxAniso)) tmp_2 = Float32(t_8 / floor(maxAniso)); else tmp_2 = Float32(t_5 / sqrt(fmax(t_7, t_0))); end tmp_1 = log2(tmp_2); else tmp_1 = t_9; end return tmp_1 end
function tmp_4 = 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) * dY_46_v) ^ single(2.0); t_2 = t_1 + t_0; t_3 = floor(w) * dX_46_u; t_4 = t_3 ^ single(2.0); t_5 = abs(((floor(h) * floor(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); t_6 = (floor(h) * dX_46_v) ^ single(2.0); t_7 = t_6 + t_4; t_8 = sqrt(max(t_7, t_2)); tmp = single(0.0); if ((max(t_4, t_0) / t_5) > floor(maxAniso)) tmp = sqrt(max((t_6 + exp((log(t_3) * single(2.0)))), t_2)) / floor(maxAniso); else tmp = t_5 / t_8; end t_9 = log2(tmp); tmp_2 = single(0.0); if (dY_46_u <= single(-5.300000190734863)) tmp_2 = t_9; elseif (dY_46_u <= single(300000000.0)) tmp_3 = single(0.0); if ((max(t_4, t_1) / t_5) > floor(maxAniso)) tmp_3 = t_8 / floor(maxAniso); else tmp_3 = t_5 / sqrt(max(t_7, t_0)); end tmp_2 = log2(tmp_3); else tmp_2 = t_9; end tmp_4 = 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 dY.v\right)}^{2}\\
t_2 := t\_1 + t\_0\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := {t\_3}^{2}\\
t_5 := \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_6 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_7 := t\_6 + t\_4\\
t_8 := \sqrt{\mathsf{max}\left(t\_7, t\_2\right)}\\
t_9 := \log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_0\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_6 + e^{\log t\_3 \cdot 2}, t\_2\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_5}{t\_8}\\
\end{array}\\
\mathbf{if}\;dY.u \leq -5.300000190734863:\\
\;\;\;\;t\_9\\
\mathbf{elif}\;dY.u \leq 300000000:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_1\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_5}{\sqrt{\mathsf{max}\left(t\_7, t\_0\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
if dY.u < -5.30000019 or 3e8 < dY.u Initial program 72.0%
Applied rewrites72.0%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3265.4
Applied rewrites65.4%
lift-pow.f32N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f3262.8
Applied rewrites62.8%
Taylor expanded in dY.u around inf
Applied rewrites62.7%
if -5.30000019 < dY.u < 3e8Initial program 76.7%
Applied rewrites76.7%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.7
Applied rewrites69.7%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3268.2
Applied rewrites68.2%
Taylor expanded in dY.u around inf
Applied rewrites67.8%
Final simplification65.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dY.v) 2.0))
(t_1
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_2 (pow (* (floor w) dY.u) 2.0))
(t_3 (pow (* (floor w) dX.u) 2.0))
(t_4 (+ (pow (* (floor h) dX.v) 2.0) t_3)))
(log2
(if (> (/ (fmax t_3 t_0) t_1) (floor maxAniso))
(/ (sqrt (fmax t_4 (+ t_0 t_2))) (floor maxAniso))
(/ t_1 (sqrt (fmax t_4 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(h) * dY_46_v), 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) * dY_46_u), 2.0f);
float t_3 = powf((floorf(w) * dX_46_u), 2.0f);
float t_4 = powf((floorf(h) * dX_46_v), 2.0f) + t_3;
float tmp;
if ((fmaxf(t_3, t_0) / t_1) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_4, (t_0 + t_2))) / floorf(maxAniso);
} else {
tmp = t_1 / sqrtf(fmaxf(t_4, 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) * dY_46_v) ^ 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) * dY_46_u) ^ Float32(2.0) t_3 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_4 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_3) tmp = Float32(0.0) if (Float32(fmax(t_3, t_0) / t_1) > floor(maxAniso)) tmp = Float32(sqrt(fmax(t_4, Float32(t_0 + t_2))) / floor(maxAniso)); else tmp = Float32(t_1 / sqrt(fmax(t_4, 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) * dY_46_v) ^ 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) * dY_46_u) ^ single(2.0); t_3 = (floor(w) * dX_46_u) ^ single(2.0); t_4 = ((floor(h) * dX_46_v) ^ single(2.0)) + t_3; tmp = single(0.0); if ((max(t_3, t_0) / t_1) > floor(maxAniso)) tmp = sqrt(max(t_4, (t_0 + t_2))) / floor(maxAniso); else tmp = t_1 / sqrt(max(t_4, t_2)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\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 dY.u\right)}^{2}\\
t_3 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_3\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_3, t\_0\right)}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_4, t\_0 + t\_2\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left(t\_4, t\_2\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.6%
Applied rewrites74.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3267.8
Applied rewrites67.8%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3255.0
Applied rewrites55.0%
Taylor expanded in dY.u around inf
Applied rewrites54.8%
Final simplification54.8%
herbie shell --seed 2025050
(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)))))))))