
(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 10 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 (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
(fmax (+ (pow (* (/ 1.0 (pow (floor h) -1.0)) dX.v) 2.0) t_0) t_1))
(floor maxAniso))
(/ t_3 (sqrt 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) * 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(fmaxf((powf(((1.0f / powf(floorf(h), -1.0f)) * dX_46_v), 2.0f) + t_0), t_1)) / floorf(maxAniso);
} else {
tmp = t_3 / sqrtf(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) * 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(fmax(Float32((Float32(Float32(Float32(1.0) / (floor(h) ^ Float32(-1.0))) * dX_46_v) ^ Float32(2.0)) + t_0), t_1)) / floor(maxAniso)); else tmp = Float32(t_3 / sqrt(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) * 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(max(((((single(1.0) / (floor(h) ^ single(-1.0))) * dX_46_v) ^ single(2.0)) + t_0), t_1)) / floor(maxAniso); else tmp = t_3 / sqrt(t_2); 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{\mathsf{max}\left({\left(\frac{1}{{\left(\left\lfloor h\right\rfloor \right)}^{-1}} \cdot dX.v\right)}^{2} + t\_0, t\_1\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{\sqrt{t\_2}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Applied rewrites74.9%
lift-floor.f32N/A
unpow1N/A
metadata-evalN/A
pow-negN/A
lower-/.f32N/A
lower-pow.f32N/A
lift-floor.f3274.9
Applied rewrites74.9%
Final simplification74.9%
(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 74.9%
Applied rewrites74.9%
Final simplification74.9%
(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 (fmax (+ t_1 (pow (* (floor h) dX.v) 2.0)) t_0))
(t_3
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (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(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 = fmaxf((t_1 + powf((floorf(h) * dX_46_v), 2.0f)), t_0);
float t_3 = fabsf(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * 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(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 = fmax(Float32(t_1 + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), t_0) t_3 = abs(Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * 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(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 = max((t_1 + ((floor(h) * dX_46_v) ^ single(2.0))), t_0); t_3 = abs(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * 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 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 := \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.u \cdot dX.v - dY.v \cdot dX.u\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 74.9%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3274.7
Applied rewrites74.7%
Applied rewrites74.7%
(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 (fmax (+ t_1 (pow (* (floor h) dX.v) 2.0)) t_0)))
(log2
(if (>
(/ t_2 (fabs (* (* (* (- dX.u) dY.v) (floor h)) (floor w))))
(floor maxAniso))
(/ (sqrt t_2) (floor maxAniso))
(/
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w)))
(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(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 = fmaxf((t_1 + powf((floorf(h) * dX_46_v), 2.0f)), t_0);
float tmp;
if ((t_2 / fabsf((((-dX_46_u * dY_46_v) * floorf(h)) * floorf(w)))) > floorf(maxAniso)) {
tmp = sqrtf(t_2) / floorf(maxAniso);
} else {
tmp = fabsf(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floorf(h)) * floorf(w))) / 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(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 = fmax(Float32(t_1 + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), t_0) tmp = Float32(0.0) if (Float32(t_2 / abs(Float32(Float32(Float32(Float32(-dX_46_u) * dY_46_v) * floor(h)) * floor(w)))) > floor(maxAniso)) tmp = Float32(sqrt(t_2) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / 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(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 = max((t_1 + ((floor(h) * dX_46_v) ^ single(2.0))), t_0); tmp = single(0.0); if ((t_2 / abs((((-dX_46_u * dY_46_v) * floor(h)) * floor(w)))) > floor(maxAniso)) tmp = sqrt(t_2) / floor(maxAniso); else tmp = abs(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / sqrt(max(t_1, 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} + {\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 := \mathsf{max}\left(t\_1 + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{\left|\left(\left(\left(-dX.u\right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_2}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|}{\sqrt{\mathsf{max}\left(t\_1, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3274.7
Applied rewrites74.7%
Applied rewrites74.7%
Taylor expanded in dX.u around inf
associate-*r*N/A
mul-1-negN/A
lower-*.f32N/A
lower-neg.f3274.3
Applied rewrites74.3%
(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 (fmax (+ t_1 (pow (* (floor h) dX.v) 2.0)) t_0)))
(log2
(if (>
(/ t_2 (fabs (* (* (* dY.u dX.v) (floor h)) (floor w))))
(floor maxAniso))
(/ (sqrt t_2) (floor maxAniso))
(/
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w)))
(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(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 = fmaxf((t_1 + powf((floorf(h) * dX_46_v), 2.0f)), t_0);
float tmp;
if ((t_2 / fabsf((((dY_46_u * dX_46_v) * floorf(h)) * floorf(w)))) > floorf(maxAniso)) {
tmp = sqrtf(t_2) / floorf(maxAniso);
} else {
tmp = fabsf(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floorf(h)) * floorf(w))) / 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(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 = fmax(Float32(t_1 + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), t_0) tmp = Float32(0.0) if (Float32(t_2 / abs(Float32(Float32(Float32(dY_46_u * dX_46_v) * floor(h)) * floor(w)))) > floor(maxAniso)) tmp = Float32(sqrt(t_2) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / 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(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 = max((t_1 + ((floor(h) * dX_46_v) ^ single(2.0))), t_0); tmp = single(0.0); if ((t_2 / abs((((dY_46_u * dX_46_v) * floor(h)) * floor(w)))) > floor(maxAniso)) tmp = sqrt(t_2) / floor(maxAniso); else tmp = abs(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / sqrt(max(t_1, 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} + {\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 := \mathsf{max}\left(t\_1 + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{\left|\left(\left(dY.u \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_2}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|}{\sqrt{\mathsf{max}\left(t\_1, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3274.7
Applied rewrites74.7%
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3273.3
Applied rewrites73.3%
(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 w) dY.u) 2.0))
(t_3 (* (floor h) dX.v))
(t_4 (pow t_3 2.0))
(t_5 (+ t_4 t_0))
(t_6
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_7
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w))))
(t_8 (+ t_1 t_2)))
(if (or (<= dY.v -9.999999974752427e-7) (not (<= dY.v 100.0)))
(log2
(if (>
(/
(fmax
(*
(+ (ratio-of-squares t_3 dX.u) (pow (floor w) 2.0))
(* dX.u dX.u))
t_1)
t_7)
(floor maxAniso))
(/ (sqrt (fmax (+ t_0 t_4) t_8)) (floor maxAniso))
(/ t_7 (sqrt (fmax t_0 t_8)))))
(log2
(if (> (/ (fmax t_5 t_2) t_6) (floor maxAniso))
(/
(sqrt
(fmax (+ (pow (* (/ 1.0 (pow (floor h) -1.0)) dX.v) 2.0) t_0) t_8))
(floor maxAniso))
(/ t_6 (sqrt (fmax t_5 t_8))))))))\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 w\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := {t\_3}^{2}\\
t_5 := t\_4 + t\_0\\
t_6 := \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_7 := \left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|\\
t_8 := t\_1 + t\_2\\
\mathbf{if}\;dY.v \leq -9.999999974752427 \cdot 10^{-7} \lor \neg \left(dY.v \leq 100\right):\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\left(\mathsf{ratio\_of\_squares}\left(t\_3, dX.u\right) + {\left(\left\lfloor w\right\rfloor \right)}^{2}\right) \cdot \left(dX.u \cdot dX.u\right), t\_1\right)}{t\_7} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_0 + t\_4, t\_8\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{\sqrt{\mathsf{max}\left(t\_0, t\_8\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_5, t\_2\right)}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left({\left(\frac{1}{{\left(\left\lfloor h\right\rfloor \right)}^{-1}} \cdot dX.v\right)}^{2} + t\_0, t\_8\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{\sqrt{\mathsf{max}\left(t\_5, t\_8\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dY.v < -9.99999997e-7 or 100 < dY.v Initial program 72.5%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3272.5
Applied rewrites72.5%
Applied rewrites72.5%
Taylor expanded in dY.u around 0
Applied rewrites70.5%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-+.f32N/A
pow-prod-downN/A
pow2N/A
unpow2N/A
lower-ratio-of-squares.f32N/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3272.0
Applied rewrites72.0%
if -9.99999997e-7 < dY.v < 100Initial program 77.8%
Applied rewrites77.8%
lift-floor.f32N/A
unpow1N/A
metadata-evalN/A
pow-negN/A
lower-/.f32N/A
lower-pow.f32N/A
lift-floor.f3277.8
Applied rewrites77.8%
Taylor expanded in dY.u around inf
Applied rewrites76.6%
Final simplification74.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (pow t_0 2.0))
(t_2 (* (floor h) dX.v))
(t_3 (pow (* (floor w) dX.u) 2.0))
(t_4 (pow (* (floor h) dY.v) 2.0))
(t_5 (pow t_2 2.0))
(t_6 (+ t_3 t_5))
(t_7 (+ t_5 t_3))
(t_8
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_9
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w))))
(t_10 (+ t_4 t_1))
(t_11 (/ t_9 (sqrt (fmax t_3 t_10))))
(t_12 (fmax t_6 t_10)))
(if (<= dY.v -9.999999974752427e-7)
(log2
(if (>
(/
(fmax
(*
(+ (ratio-of-squares t_2 dX.u) (pow (floor w) 2.0))
(* dX.u dX.u))
t_4)
t_9)
(floor maxAniso))
(/ (sqrt t_12) (floor maxAniso))
t_11))
(if (<= dY.v 1.0000000116860974e-7)
(log2
(if (> (/ (fmax t_7 t_1) t_8) (floor maxAniso))
(/
(sqrt
(fmax
(+ (pow (* (/ 1.0 (pow (floor h) -1.0)) dX.v) 2.0) t_3)
t_10))
(floor maxAniso))
(/ t_8 (sqrt (fmax t_7 t_10)))))
(log2
(if (> (/ t_12 t_9) (floor maxAniso))
(/
(sqrt
(fmax
t_6
(*
(+ (ratio-of-squares t_0 dY.v) (pow (floor h) 2.0))
(* dY.v dY.v))))
(floor maxAniso))
t_11))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := {t\_0}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_5 := {t\_2}^{2}\\
t_6 := t\_3 + t\_5\\
t_7 := t\_5 + t\_3\\
t_8 := \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_9 := \left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|\\
t_10 := t\_4 + t\_1\\
t_11 := \frac{t\_9}{\sqrt{\mathsf{max}\left(t\_3, t\_10\right)}}\\
t_12 := \mathsf{max}\left(t\_6, t\_10\right)\\
\mathbf{if}\;dY.v \leq -9.999999974752427 \cdot 10^{-7}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\left(\mathsf{ratio\_of\_squares}\left(t\_2, dX.u\right) + {\left(\left\lfloor w\right\rfloor \right)}^{2}\right) \cdot \left(dX.u \cdot dX.u\right), t\_4\right)}{t\_9} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_12}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array}\\
\mathbf{elif}\;dY.v \leq 1.0000000116860974 \cdot 10^{-7}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_7, t\_1\right)}{t\_8} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left({\left(\frac{1}{{\left(\left\lfloor h\right\rfloor \right)}^{-1}} \cdot dX.v\right)}^{2} + t\_3, t\_10\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_8}{\sqrt{\mathsf{max}\left(t\_7, t\_10\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_12}{t\_9} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_6, \left(\mathsf{ratio\_of\_squares}\left(t\_0, dY.v\right) + {\left(\left\lfloor h\right\rfloor \right)}^{2}\right) \cdot \left(dY.v \cdot dY.v\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array}\\
\end{array}
\end{array}
if dY.v < -9.99999997e-7Initial program 73.0%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3273.0
Applied rewrites73.0%
Applied rewrites73.0%
Taylor expanded in dY.u around 0
Applied rewrites72.0%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-+.f32N/A
pow-prod-downN/A
pow2N/A
unpow2N/A
lower-ratio-of-squares.f32N/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3272.9
Applied rewrites72.9%
if -9.99999997e-7 < dY.v < 1.00000001e-7Initial program 77.2%
Applied rewrites77.2%
lift-floor.f32N/A
unpow1N/A
metadata-evalN/A
pow-negN/A
lower-/.f32N/A
lower-pow.f32N/A
lift-floor.f3277.2
Applied rewrites77.2%
Taylor expanded in dY.u around inf
Applied rewrites76.5%
if 1.00000001e-7 < dY.v Initial program 74.3%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3274.3
Applied rewrites74.3%
Applied rewrites74.3%
Taylor expanded in dY.v around inf
Applied rewrites74.3%
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))
(t_2 (pow (* (floor w) dY.u) 2.0))
(t_3 (* (floor h) dX.v))
(t_4 (+ t_0 (pow t_3 2.0)))
(t_5
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w))))
(t_6 (+ t_1 t_2))
(t_7 (/ t_5 (sqrt (fmax t_0 t_6))))
(t_8 (/ (sqrt (fmax t_4 t_6)) (floor maxAniso))))
(if (or (<= dY.v -3.999999989900971e-6) (not (<= dY.v 100.0)))
(log2
(if (>
(/
(fmax
(*
(+ (ratio-of-squares t_3 dX.u) (pow (floor w) 2.0))
(* dX.u dX.u))
t_1)
t_5)
(floor maxAniso))
t_8
t_7))
(log2
(if (>
(/
(fmax t_4 t_2)
(fabs
(*
(* (* (- (/ (* dY.u dX.v) dX.u) dY.v) dX.u) (floor h))
(floor w))))
(floor maxAniso))
t_8
t_7)))))\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 w\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := t\_0 + {t\_3}^{2}\\
t_5 := \left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|\\
t_6 := t\_1 + t\_2\\
t_7 := \frac{t\_5}{\sqrt{\mathsf{max}\left(t\_0, t\_6\right)}}\\
t_8 := \frac{\sqrt{\mathsf{max}\left(t\_4, t\_6\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{if}\;dY.v \leq -3.999999989900971 \cdot 10^{-6} \lor \neg \left(dY.v \leq 100\right):\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\left(\mathsf{ratio\_of\_squares}\left(t\_3, dX.u\right) + {\left(\left\lfloor w\right\rfloor \right)}^{2}\right) \cdot \left(dX.u \cdot dX.u\right), t\_1\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_2\right)}{\left|\left(\left(\left(\frac{dY.u \cdot dX.v}{dX.u} - dY.v\right) \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\end{array}
\end{array}
if dY.v < -3.99999999e-6 or 100 < dY.v Initial program 73.0%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3273.0
Applied rewrites73.0%
Applied rewrites73.0%
Taylor expanded in dY.u around 0
Applied rewrites71.0%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-+.f32N/A
pow-prod-downN/A
pow2N/A
unpow2N/A
lower-ratio-of-squares.f32N/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3272.4
Applied rewrites72.4%
if -3.99999999e-6 < dY.v < 100Initial program 77.2%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3276.7
Applied rewrites76.7%
Applied rewrites76.7%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower-/.f32N/A
*-commutativeN/A
lift-*.f3277.2
Applied rewrites77.2%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3276.0
Applied rewrites76.0%
Final simplification74.0%
(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 w) dY.u) 2.0))
(t_3 (* (floor h) dX.v))
(t_4 (+ t_0 (pow t_3 2.0)))
(t_5
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w))))
(t_6 (+ t_1 t_2))
(t_7 (/ t_5 (sqrt (fmax t_0 t_6))))
(t_8 (/ (sqrt (fmax t_4 t_6)) (floor maxAniso))))
(if (or (<= dY.v -3.999999989900971e-6) (not (<= dY.v 100.0)))
(log2
(if (>
(/
(fmax
(*
(+ (ratio-of-squares t_3 dX.u) (pow (floor w) 2.0))
(* dX.u dX.u))
t_1)
t_5)
(floor maxAniso))
t_8
t_7))
(log2 (if (> (/ (fmax t_4 t_2) t_5) (floor maxAniso)) t_8 t_7)))))\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 w\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := t\_0 + {t\_3}^{2}\\
t_5 := \left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|\\
t_6 := t\_1 + t\_2\\
t_7 := \frac{t\_5}{\sqrt{\mathsf{max}\left(t\_0, t\_6\right)}}\\
t_8 := \frac{\sqrt{\mathsf{max}\left(t\_4, t\_6\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{if}\;dY.v \leq -3.999999989900971 \cdot 10^{-6} \lor \neg \left(dY.v \leq 100\right):\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\left(\mathsf{ratio\_of\_squares}\left(t\_3, dX.u\right) + {\left(\left\lfloor w\right\rfloor \right)}^{2}\right) \cdot \left(dX.u \cdot dX.u\right), t\_1\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_2\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\end{array}
\end{array}
if dY.v < -3.99999999e-6 or 100 < dY.v Initial program 73.0%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3273.0
Applied rewrites73.0%
Applied rewrites73.0%
Taylor expanded in dY.u around 0
Applied rewrites71.0%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-+.f32N/A
pow-prod-downN/A
pow2N/A
unpow2N/A
lower-ratio-of-squares.f32N/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3272.4
Applied rewrites72.4%
if -3.99999999e-6 < dY.v < 100Initial program 77.2%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3276.7
Applied rewrites76.7%
Applied rewrites76.7%
Taylor expanded in dY.u around inf
Applied rewrites75.5%
Final simplification73.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (pow (* (floor w) dX.u) 2.0))
(t_3
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w))))
(t_4 (+ t_1 (pow (* (floor w) dY.u) 2.0))))
(log2
(if (>
(/
(fmax
(*
(+ (ratio-of-squares t_0 dX.u) (pow (floor w) 2.0))
(* dX.u dX.u))
t_1)
t_3)
(floor maxAniso))
(/ (sqrt (fmax (+ t_2 (pow t_0 2.0)) t_4)) (floor maxAniso))
(/ t_3 (sqrt (fmax t_2 t_4)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_3 := \left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|\\
t_4 := t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\left(\mathsf{ratio\_of\_squares}\left(t\_0, dX.u\right) + {\left(\left\lfloor w\right\rfloor \right)}^{2}\right) \cdot \left(dX.u \cdot dX.u\right), t\_1\right)}{t\_3} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_2 + {t\_0}^{2}, t\_4\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{\sqrt{\mathsf{max}\left(t\_2, t\_4\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in dX.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3274.7
Applied rewrites74.7%
Applied rewrites74.7%
Taylor expanded in dY.u around 0
Applied rewrites65.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-+.f32N/A
pow-prod-downN/A
pow2N/A
unpow2N/A
lower-ratio-of-squares.f32N/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3266.6
Applied rewrites66.6%
Final simplification66.6%
herbie shell --seed 2025065
(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)))))))))