
(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 77.5%
Applied rewrites77.5%
Final simplification77.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dX.v) 2.0))
(t_1 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_2 (fmax (+ (pow (* (floor w) dX.u) 2.0) t_0) t_1))
(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_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(h) * dX_46_v), 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(w) * dX_46_u), 2.0f) + t_0), t_1);
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_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(h) * dX_46_v) ^ 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(w) * dX_46_u) ^ Float32(2.0)) + t_0), t_1) 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_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(h) * dX_46_v) ^ 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(w) * dX_46_u) ^ single(2.0)) + t_0), t_1); 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_0, t_1)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\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 w\right\rfloor \cdot dX.u\right)}^{2} + t\_0, t\_1\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\_0, t\_1\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.5%
Taylor expanded in dX.u around 0
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3277.3
Applied rewrites77.3%
Applied rewrites77.3%
Final simplification77.3%
(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 (pow (* (floor w) dY.u) 2.0))
(t_2 (+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0)))
(t_3 (* (floor h) (floor w))))
(log2
(if (> (/ (fmax t_2 t_1) (fabs (* t_3 (* dY.u dX.v)))) (floor maxAniso))
(/
(sqrt (fmax t_2 (+ t_0 (pow (* (exp (log (floor w))) dY.u) 2.0))))
(floor maxAniso))
(/
(fabs (* t_3 (- (* dY.v dX.u) (* dY.u dX.v))))
(sqrt (fmax t_2 (+ 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(h) * dY_46_v), 2.0f);
float t_1 = powf((floorf(w) * dY_46_u), 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f);
float t_3 = floorf(h) * floorf(w);
float tmp;
if ((fmaxf(t_2, t_1) / fabsf((t_3 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_2, (t_0 + powf((expf(logf(floorf(w))) * dY_46_u), 2.0f)))) / floorf(maxAniso);
} else {
tmp = fabsf((t_3 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / sqrtf(fmaxf(t_2, (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(h) * dY_46_v) ^ Float32(2.0) t_1 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_2 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) t_3 = Float32(floor(h) * floor(w)) tmp = Float32(0.0) if (Float32(fmax(t_2, t_1) / abs(Float32(t_3 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(t_2, Float32(t_0 + (Float32(exp(log(floor(w))) * dY_46_u) ^ Float32(2.0))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(t_3 * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) / sqrt(fmax(t_2, Float32(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(h) * dY_46_v) ^ single(2.0); t_1 = (floor(w) * dY_46_u) ^ single(2.0); t_2 = ((floor(h) * dX_46_v) ^ single(2.0)) + ((floor(w) * dX_46_u) ^ single(2.0)); t_3 = floor(h) * floor(w); tmp = single(0.0); if ((max(t_2, t_1) / abs((t_3 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = sqrt(max(t_2, (t_0 + ((exp(log(floor(w))) * dY_46_u) ^ single(2.0))))) / floor(maxAniso); else tmp = abs((t_3 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / sqrt(max(t_2, (t_0 + t_1))); 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\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
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\_2, t\_1\right)}{\left|t\_3 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_2, t\_0 + {\left(e^{\log \left(\left\lfloor w\right\rfloor \right)} \cdot dY.u\right)}^{2}\right)}}{\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|}{\sqrt{\mathsf{max}\left(t\_2, t\_0 + t\_1\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.5%
Applied rewrites77.5%
lift-floor.f32N/A
unpow1N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-floor.f3277.5
Applied rewrites77.5%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3270.9
Applied rewrites70.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3276.6
Applied rewrites76.6%
Final simplification76.6%
(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 (+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0)))
(t_2 (sqrt (fmax t_1 (+ t_0 (pow (* (floor w) dY.u) 2.0)))))
(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);
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, (t_0 + powf((floorf(w) * dY_46_u), 2.0f))));
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(floor(h) * dY_46_v) ^ 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(t_0 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) 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); t_1 = ((floor(h) * dX_46_v) ^ single(2.0)) + ((floor(w) * dX_46_u) ^ single(2.0)); t_2 = sqrt(max(t_1, (t_0 + ((floor(w) * dY_46_u) ^ single(2.0))))); 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}\\
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, t\_0 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\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 77.5%
Applied rewrites77.5%
Taylor expanded in dY.u around 0
Applied rewrites68.9%
Taylor expanded in dX.u around inf
associate-*r*N/A
lower-*.f32N/A
mul-1-negN/A
lower-neg.f3276.2
Applied rewrites76.2%
Final simplification76.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dX.v) 2.0))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (+ t_1 (pow (* (floor w) dY.u) 2.0)))
(t_3 (+ t_0 (pow (* (floor w) dX.u) 2.0)))
(t_4 (sqrt (fmax t_3 t_2)))
(t_5 (/ t_4 (floor maxAniso)))
(t_6 (* (floor h) (floor w)))
(t_7 (fabs (* t_6 (- (* dY.v dX.u) (* dY.u dX.v))))))
(if (or (<= dX.u -0.00019999999494757503)
(not (<= dX.u 0.0005000000237487257)))
(log2
(if (> (/ (fmax t_3 t_1) t_7) (floor maxAniso))
t_5
(/ t_7 (sqrt (fmax t_0 t_2)))))
(log2
(if (>
(/ (fmax t_0 t_1) (fabs (* t_6 (* (- dX.u) dY.v))))
(floor maxAniso))
t_5
(/ t_7 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(h) * dX_46_v), 2.0f);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = t_1 + powf((floorf(w) * dY_46_u), 2.0f);
float t_3 = t_0 + powf((floorf(w) * dX_46_u), 2.0f);
float t_4 = sqrtf(fmaxf(t_3, t_2));
float t_5 = t_4 / floorf(maxAniso);
float t_6 = floorf(h) * floorf(w);
float t_7 = fabsf((t_6 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
float tmp_1;
if ((dX_46_u <= -0.00019999999494757503f) || !(dX_46_u <= 0.0005000000237487257f)) {
float tmp_2;
if ((fmaxf(t_3, t_1) / t_7) > floorf(maxAniso)) {
tmp_2 = t_5;
} else {
tmp_2 = t_7 / sqrtf(fmaxf(t_0, t_2));
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_0, t_1) / fabsf((t_6 * (-dX_46_u * dY_46_v)))) > floorf(maxAniso)) {
tmp_3 = t_5;
} else {
tmp_3 = t_7 / 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(h) * dX_46_v) ^ Float32(2.0) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = Float32(t_1 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_3 = Float32(t_0 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) t_4 = sqrt(fmax(t_3, t_2)) t_5 = Float32(t_4 / floor(maxAniso)) t_6 = Float32(floor(h) * floor(w)) t_7 = abs(Float32(t_6 * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) tmp_1 = Float32(0.0) if ((dX_46_u <= Float32(-0.00019999999494757503)) || !(dX_46_u <= Float32(0.0005000000237487257))) tmp_2 = Float32(0.0) if (Float32(fmax(t_3, t_1) / t_7) > floor(maxAniso)) tmp_2 = t_5; else tmp_2 = Float32(t_7 / sqrt(fmax(t_0, t_2))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(fmax(t_0, t_1) / abs(Float32(t_6 * Float32(Float32(-dX_46_u) * dY_46_v)))) > floor(maxAniso)) tmp_3 = t_5; else tmp_3 = Float32(t_7 / 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(h) * dX_46_v) ^ single(2.0); t_1 = (floor(h) * dY_46_v) ^ single(2.0); t_2 = t_1 + ((floor(w) * dY_46_u) ^ single(2.0)); t_3 = t_0 + ((floor(w) * dX_46_u) ^ single(2.0)); t_4 = sqrt(max(t_3, t_2)); t_5 = t_4 / floor(maxAniso); t_6 = floor(h) * floor(w); t_7 = abs((t_6 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))); tmp_2 = single(0.0); if ((dX_46_u <= single(-0.00019999999494757503)) || ~((dX_46_u <= single(0.0005000000237487257)))) tmp_3 = single(0.0); if ((max(t_3, t_1) / t_7) > floor(maxAniso)) tmp_3 = t_5; else tmp_3 = t_7 / sqrt(max(t_0, t_2)); end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((max(t_0, t_1) / abs((t_6 * (-dX_46_u * dY_46_v)))) > floor(maxAniso)) tmp_4 = t_5; else tmp_4 = t_7 / 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 h\right\rfloor \cdot dX.v\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := t\_0 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_3, t\_2\right)}\\
t_5 := \frac{t\_4}{\left\lfloor maxAniso\right\rfloor }\\
t_6 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_7 := \left|t\_6 \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|\\
\mathbf{if}\;dX.u \leq -0.00019999999494757503 \lor \neg \left(dX.u \leq 0.0005000000237487257\right):\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_3, t\_1\right)}{t\_7} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{\sqrt{\mathsf{max}\left(t\_0, t\_2\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_0, t\_1\right)}{\left|t\_6 \cdot \left(\left(-dX.u\right) \cdot dY.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{t\_4}\\
\end{array}\\
\end{array}
\end{array}
if dX.u < -1.99999995e-4 or 5.00000024e-4 < dX.u Initial program 73.8%
Applied rewrites73.8%
Taylor expanded in dY.u around 0
Applied rewrites72.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3272.0
Applied rewrites72.0%
if -1.99999995e-4 < dX.u < 5.00000024e-4Initial program 82.3%
Applied rewrites82.3%
Taylor expanded in dY.u around 0
Applied rewrites64.5%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3263.4
Applied rewrites63.4%
Taylor expanded in dX.u around inf
associate-*r*N/A
lower-*.f32N/A
mul-1-negN/A
lower-neg.f3278.8
Applied rewrites78.8%
Final simplification75.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dX.v) 2.0))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (+ t_1 (pow (* (floor w) dY.u) 2.0)))
(t_3 (* (floor h) (floor w)))
(t_4 (fabs (* t_3 (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_5 (pow (* (floor w) dX.u) 2.0))
(t_6 (+ t_0 t_5))
(t_7 (sqrt (fmax t_6 t_2)))
(t_8 (> (/ (fmax t_6 t_1) t_4) (floor maxAniso)))
(t_9 (/ t_7 (floor maxAniso))))
(if (<= dX.u -0.00019999999494757503)
(log2 (if t_8 t_9 (/ t_4 (sqrt (fmax t_0 t_2)))))
(if (<= dX.u 0.0005000000237487257)
(log2
(if (>
(/ (fmax t_0 t_1) (fabs (* t_3 (* (- dX.u) dY.v))))
(floor maxAniso))
t_9
(/ t_4 t_7)))
(log2 (if t_8 t_9 (/ t_4 (sqrt (fmax t_5 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) * dX_46_v), 2.0f);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = t_1 + powf((floorf(w) * dY_46_u), 2.0f);
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) * dX_46_u), 2.0f);
float t_6 = t_0 + t_5;
float t_7 = sqrtf(fmaxf(t_6, t_2));
int t_8 = (fmaxf(t_6, t_1) / t_4) > floorf(maxAniso);
float t_9 = t_7 / floorf(maxAniso);
float tmp_1;
if (dX_46_u <= -0.00019999999494757503f) {
float tmp_2;
if (t_8) {
tmp_2 = t_9;
} else {
tmp_2 = t_4 / sqrtf(fmaxf(t_0, t_2));
}
tmp_1 = log2f(tmp_2);
} else if (dX_46_u <= 0.0005000000237487257f) {
float tmp_3;
if ((fmaxf(t_0, t_1) / fabsf((t_3 * (-dX_46_u * dY_46_v)))) > floorf(maxAniso)) {
tmp_3 = t_9;
} else {
tmp_3 = t_4 / t_7;
}
tmp_1 = log2f(tmp_3);
} else {
float tmp_4;
if (t_8) {
tmp_4 = t_9;
} else {
tmp_4 = t_4 / sqrtf(fmaxf(t_5, t_2));
}
tmp_1 = log2f(tmp_4);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = Float32(t_1 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) 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) * dX_46_u) ^ Float32(2.0) t_6 = Float32(t_0 + t_5) t_7 = sqrt(fmax(t_6, t_2)) t_8 = Float32(fmax(t_6, t_1) / t_4) > floor(maxAniso) t_9 = Float32(t_7 / floor(maxAniso)) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(-0.00019999999494757503)) tmp_2 = Float32(0.0) if (t_8) tmp_2 = t_9; else tmp_2 = Float32(t_4 / sqrt(fmax(t_0, t_2))); end tmp_1 = log2(tmp_2); elseif (dX_46_u <= Float32(0.0005000000237487257)) tmp_3 = Float32(0.0) if (Float32(fmax(t_0, t_1) / abs(Float32(t_3 * Float32(Float32(-dX_46_u) * dY_46_v)))) > floor(maxAniso)) tmp_3 = t_9; else tmp_3 = Float32(t_4 / t_7); end tmp_1 = log2(tmp_3); else tmp_4 = Float32(0.0) if (t_8) tmp_4 = t_9; else tmp_4 = Float32(t_4 / sqrt(fmax(t_5, t_2))); end tmp_1 = log2(tmp_4); end return tmp_1 end
function tmp_6 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (floor(h) * dX_46_v) ^ single(2.0); t_1 = (floor(h) * dY_46_v) ^ single(2.0); t_2 = t_1 + ((floor(w) * dY_46_u) ^ single(2.0)); 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) * dX_46_u) ^ single(2.0); t_6 = t_0 + t_5; t_7 = sqrt(max(t_6, t_2)); t_8 = (max(t_6, t_1) / t_4) > floor(maxAniso); t_9 = t_7 / floor(maxAniso); tmp_2 = single(0.0); if (dX_46_u <= single(-0.00019999999494757503)) tmp_3 = single(0.0); if (t_8) tmp_3 = t_9; else tmp_3 = t_4 / sqrt(max(t_0, t_2)); end tmp_2 = log2(tmp_3); elseif (dX_46_u <= single(0.0005000000237487257)) tmp_4 = single(0.0); if ((max(t_0, t_1) / abs((t_3 * (-dX_46_u * dY_46_v)))) > floor(maxAniso)) tmp_4 = t_9; else tmp_4 = t_4 / t_7; end tmp_2 = log2(tmp_4); else tmp_5 = single(0.0); if (t_8) tmp_5 = t_9; else tmp_5 = t_4 / sqrt(max(t_5, t_2)); end tmp_2 = log2(tmp_5); end tmp_6 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
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 dX.u\right)}^{2}\\
t_6 := t\_0 + t\_5\\
t_7 := \sqrt{\mathsf{max}\left(t\_6, t\_2\right)}\\
t_8 := \frac{\mathsf{max}\left(t\_6, t\_1\right)}{t\_4} > \left\lfloor maxAniso\right\rfloor \\
t_9 := \frac{t\_7}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{if}\;dX.u \leq -0.00019999999494757503:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_0, t\_2\right)}}\\
\end{array}\\
\mathbf{elif}\;dX.u \leq 0.0005000000237487257:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_0, t\_1\right)}{\left|t\_3 \cdot \left(\left(-dX.u\right) \cdot dY.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{t\_7}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_5, t\_2\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dX.u < -1.99999995e-4Initial program 77.1%
Applied rewrites77.1%
Taylor expanded in dY.u around 0
Applied rewrites74.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.4
Applied rewrites74.4%
if -1.99999995e-4 < dX.u < 5.00000024e-4Initial program 82.3%
Applied rewrites82.3%
Taylor expanded in dY.u around 0
Applied rewrites64.5%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3263.4
Applied rewrites63.4%
Taylor expanded in dX.u around inf
associate-*r*N/A
lower-*.f32N/A
mul-1-negN/A
lower-neg.f3278.8
Applied rewrites78.8%
if 5.00000024e-4 < dX.u Initial program 70.3%
Applied rewrites70.3%
Taylor expanded in dY.u around 0
Applied rewrites70.2%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3269.5
Applied rewrites69.5%
Final simplification75.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (floor w)))
(t_1 (pow (* (floor w) dX.u) 2.0))
(t_2 (pow (* (floor h) dX.v) 2.0))
(t_3 (fabs (* t_0 (- (* dY.v dX.u) (* dY.u dX.v)))))
(t_4 (pow (* (floor h) dY.v) 2.0))
(t_5 (sqrt (fmax (+ t_2 t_1) (+ t_4 (pow (* (floor w) dY.u) 2.0)))))
(t_6 (/ t_3 t_5))
(t_7 (/ t_5 (floor maxAniso))))
(if (or (<= dX.u -1000.0) (not (<= dX.u 0.20000000298023224)))
(log2 (if (> (/ (fmax t_1 t_4) t_3) (floor maxAniso)) t_7 t_6))
(log2
(if (>
(/ (fmax t_2 t_4) (fabs (* t_0 (* (- dX.u) dY.v))))
(floor maxAniso))
t_7
t_6)))))
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 = powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f);
float t_3 = fabsf((t_0 * ((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_1), (t_4 + powf((floorf(w) * dY_46_u), 2.0f))));
float t_6 = t_3 / t_5;
float t_7 = t_5 / floorf(maxAniso);
float tmp_1;
if ((dX_46_u <= -1000.0f) || !(dX_46_u <= 0.20000000298023224f)) {
float tmp_2;
if ((fmaxf(t_1, t_4) / t_3) > floorf(maxAniso)) {
tmp_2 = t_7;
} else {
tmp_2 = t_6;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_2, t_4) / fabsf((t_0 * (-dX_46_u * dY_46_v)))) > floorf(maxAniso)) {
tmp_3 = t_7;
} else {
tmp_3 = t_6;
}
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) * floor(w)) t_1 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_2 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_3 = abs(Float32(t_0 * 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(Float32(t_2 + t_1), Float32(t_4 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) t_6 = Float32(t_3 / t_5) t_7 = Float32(t_5 / floor(maxAniso)) tmp_1 = Float32(0.0) if ((dX_46_u <= Float32(-1000.0)) || !(dX_46_u <= Float32(0.20000000298023224))) tmp_2 = Float32(0.0) if (Float32(fmax(t_1, t_4) / t_3) > floor(maxAniso)) tmp_2 = t_7; else tmp_2 = t_6; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(fmax(t_2, t_4) / abs(Float32(t_0 * Float32(Float32(-dX_46_u) * dY_46_v)))) > floor(maxAniso)) tmp_3 = t_7; else tmp_3 = t_6; 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) * floor(w); t_1 = (floor(w) * dX_46_u) ^ single(2.0); t_2 = (floor(h) * dX_46_v) ^ single(2.0); t_3 = abs((t_0 * ((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_1), (t_4 + ((floor(w) * dY_46_u) ^ single(2.0))))); t_6 = t_3 / t_5; t_7 = t_5 / floor(maxAniso); tmp_2 = single(0.0); if ((dX_46_u <= single(-1000.0)) || ~((dX_46_u <= single(0.20000000298023224)))) tmp_3 = single(0.0); if ((max(t_1, t_4) / t_3) > floor(maxAniso)) tmp_3 = t_7; else tmp_3 = t_6; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((max(t_2, t_4) / abs((t_0 * (-dX_46_u * dY_46_v)))) > floor(maxAniso)) tmp_4 = t_7; else tmp_4 = t_6; 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 \left\lfloor w\right\rfloor \\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_3 := \left|t\_0 \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\_1, t\_4 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)}\\
t_6 := \frac{t\_3}{t\_5}\\
t_7 := \frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{if}\;dX.u \leq -1000 \lor \neg \left(dX.u \leq 0.20000000298023224\right):\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_4\right)}{t\_3} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_2, t\_4\right)}{\left|t\_0 \cdot \left(\left(-dX.u\right) \cdot dY.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\\
\end{array}
\end{array}
if dX.u < -1e3 or 0.200000003 < dX.u Initial program 73.2%
Applied rewrites73.2%
Taylor expanded in dY.u around 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.f3269.4
Applied rewrites69.4%
if -1e3 < dX.u < 0.200000003Initial program 80.9%
Applied rewrites80.9%
Taylor expanded in dY.u around 0
Applied rewrites66.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3263.3
Applied rewrites63.3%
Taylor expanded in dX.u around inf
associate-*r*N/A
lower-*.f32N/A
mul-1-negN/A
lower-neg.f3275.8
Applied rewrites75.8%
Final simplification73.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dX.v) 2.0))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2
(sqrt
(fmax
(+ t_0 (pow (* (floor w) dX.u) 2.0))
(+ t_1 (pow (* (floor w) dY.u) 2.0)))))
(t_3 (/ t_2 (floor maxAniso)))
(t_4 (* (floor h) (floor w)))
(t_5 (/ (fabs (* t_4 (- (* dY.v dX.u) (* dY.u dX.v)))) t_2))
(t_6 (fmax t_0 t_1)))
(if (<= dY.u -5.0)
(log2
(if (> (/ t_6 (fabs (* t_4 (* (- dX.u) dY.v)))) (floor maxAniso))
t_3
t_5))
(log2
(if (> (/ t_6 (fabs (* t_4 (* dY.u dX.v)))) (floor maxAniso))
t_3
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(h) * dX_46_v), 2.0f);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = sqrtf(fmaxf((t_0 + powf((floorf(w) * dX_46_u), 2.0f)), (t_1 + powf((floorf(w) * dY_46_u), 2.0f))));
float t_3 = t_2 / floorf(maxAniso);
float t_4 = floorf(h) * floorf(w);
float t_5 = fabsf((t_4 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / t_2;
float t_6 = fmaxf(t_0, t_1);
float tmp_1;
if (dY_46_u <= -5.0f) {
float tmp_2;
if ((t_6 / fabsf((t_4 * (-dX_46_u * dY_46_v)))) > floorf(maxAniso)) {
tmp_2 = t_3;
} else {
tmp_2 = t_5;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((t_6 / fabsf((t_4 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp_3 = t_3;
} 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(h) * dX_46_v) ^ Float32(2.0) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = sqrt(fmax(Float32(t_0 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32(t_1 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) t_3 = Float32(t_2 / floor(maxAniso)) t_4 = Float32(floor(h) * floor(w)) t_5 = Float32(abs(Float32(t_4 * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) / t_2) t_6 = fmax(t_0, t_1) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-5.0)) tmp_2 = Float32(0.0) if (Float32(t_6 / abs(Float32(t_4 * Float32(Float32(-dX_46_u) * dY_46_v)))) > floor(maxAniso)) tmp_2 = t_3; else tmp_2 = t_5; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(t_6 / abs(Float32(t_4 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp_3 = t_3; else tmp_3 = t_5; 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) ^ single(2.0); t_1 = (floor(h) * dY_46_v) ^ single(2.0); t_2 = sqrt(max((t_0 + ((floor(w) * dX_46_u) ^ single(2.0))), (t_1 + ((floor(w) * dY_46_u) ^ single(2.0))))); t_3 = t_2 / floor(maxAniso); t_4 = floor(h) * floor(w); t_5 = abs((t_4 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / t_2; t_6 = max(t_0, t_1); tmp_2 = single(0.0); if (dY_46_u <= single(-5.0)) tmp_3 = single(0.0); if ((t_6 / abs((t_4 * (-dX_46_u * dY_46_v)))) > floor(maxAniso)) tmp_3 = t_3; else tmp_3 = t_5; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((t_6 / abs((t_4 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp_4 = t_3; else tmp_4 = t_5; end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := \sqrt{\mathsf{max}\left(t\_0 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)}\\
t_3 := \frac{t\_2}{\left\lfloor maxAniso\right\rfloor }\\
t_4 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_5 := \frac{\left|t\_4 \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|}{t\_2}\\
t_6 := \mathsf{max}\left(t\_0, t\_1\right)\\
\mathbf{if}\;dY.u \leq -5:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_6}{\left|t\_4 \cdot \left(\left(-dX.u\right) \cdot dY.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_3\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_6}{\left|t\_4 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_3\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\end{array}
\end{array}
if dY.u < -5Initial program 72.1%
Applied rewrites72.1%
Taylor expanded in dY.u around 0
Applied rewrites55.8%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3239.7
Applied rewrites39.7%
Taylor expanded in dX.u around inf
associate-*r*N/A
lower-*.f32N/A
mul-1-negN/A
lower-neg.f3260.7
Applied rewrites60.7%
if -5 < dY.u Initial program 79.6%
Applied rewrites79.6%
Taylor expanded in dY.u around 0
Applied rewrites73.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3259.4
Applied rewrites59.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3268.9
Applied rewrites68.9%
Final simplification66.6%
(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 (* (floor h) (floor w)))
(t_2 (pow (* (floor h) dX.v) 2.0))
(t_3
(sqrt
(fmax
(+ t_2 (pow (* (floor w) dX.u) 2.0))
(+ t_0 (pow (* (floor w) dY.u) 2.0))))))
(log2
(if (> (/ (fmax t_2 t_0) (fabs (* t_1 (* dY.u dX.v)))) (floor maxAniso))
(/ t_3 (floor maxAniso))
(/ (fabs (* t_1 (- (* dY.v dX.u) (* dY.u dX.v)))) 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(h) * dY_46_v), 2.0f);
float t_1 = floorf(h) * floorf(w);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f);
float t_3 = sqrtf(fmaxf((t_2 + powf((floorf(w) * dX_46_u), 2.0f)), (t_0 + powf((floorf(w) * dY_46_u), 2.0f))));
float tmp;
if ((fmaxf(t_2, t_0) / fabsf((t_1 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = t_3 / floorf(maxAniso);
} else {
tmp = fabsf((t_1 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / 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(h) * dY_46_v) ^ Float32(2.0) t_1 = Float32(floor(h) * floor(w)) t_2 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_3 = sqrt(fmax(Float32(t_2 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32(t_0 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) tmp = Float32(0.0) if (Float32(fmax(t_2, t_0) / abs(Float32(t_1 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(t_3 / floor(maxAniso)); else tmp = Float32(abs(Float32(t_1 * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)))) / 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(h) * dY_46_v) ^ single(2.0); t_1 = floor(h) * floor(w); t_2 = (floor(h) * dX_46_v) ^ single(2.0); t_3 = sqrt(max((t_2 + ((floor(w) * dX_46_u) ^ single(2.0))), (t_0 + ((floor(w) * dY_46_u) ^ single(2.0))))); tmp = single(0.0); if ((max(t_2, t_0) / abs((t_1 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = t_3 / floor(maxAniso); else tmp = abs((t_1 * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)))) / t_3; 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\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_2 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_0 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_2, t\_0\right)}{\left|t\_1 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_1 \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|}{t\_3}\\
\end{array}
\end{array}
\end{array}
Initial program 77.5%
Applied rewrites77.5%
Taylor expanded in dY.u around 0
Applied rewrites68.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3253.9
Applied rewrites53.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3262.1
Applied rewrites62.1%
Final simplification62.1%
herbie shell --seed 2025064
(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)))))))))