
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\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 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\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 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_1
(sqrt
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(fma
(floor w)
(* (floor w) (* dY.u dY.u))
(* (floor h) (* (floor h) (* dY.v dY.v))))))))
(log2
(if (>
(/
(fmax
(pow (hypot (* dX.v (floor h)) (* dX.u (floor w))) 2.0)
(pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(fabs (* (floor h) (* (floor w) t_0))))
(floor maxAniso))
(/ t_1 (floor maxAniso))
(/ (fabs (* (floor w) (* (floor h) 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 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_1 = sqrtf(fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), fmaf(floorf(w), (floorf(w) * (dY_46_u * dY_46_u)), (floorf(h) * (floorf(h) * (dY_46_v * dY_46_v))))));
float tmp;
if ((fmaxf(powf(hypotf((dX_46_v * floorf(h)), (dX_46_u * floorf(w))), 2.0f), powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f)) / fabsf((floorf(h) * (floorf(w) * t_0)))) > floorf(maxAniso)) {
tmp = t_1 / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * 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(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_1 = sqrt(((fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v))))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) tmp = Float32(0.0) if (Float32((((hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)) != (hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0))) ? (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) : (((hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0))) ? (hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)) : max((hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)), (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0))))) / abs(Float32(floor(h) * Float32(floor(w) * t_0)))) > floor(maxAniso)) tmp = Float32(t_1 / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(w) * Float32(floor(h) * t_0))) / t_1); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_1 := \sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloor w\right\rfloor , \left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\right), \mathsf{fma}\left(\left\lfloor w\right\rfloor , \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot dY.u\right), \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)\right)}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(\mathsf{hypot}\left(dX.v \cdot \left\lfloor h\right\rfloor , dX.u \cdot \left\lfloor w\right\rfloor \right)\right)}^{2}, {\left(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\right)}{\left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot t\_0\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_1}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot t\_0\right)\right|}{t\_1}\\
\end{array}
\end{array}
\end{array}
Initial program 74.6%
Simplified74.7%
Taylor expanded in w around 0 74.7%
Simplified74.7%
Final simplification74.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fmax
(pow (hypot (* dX.v (floor h)) (* dX.u (floor w))) 2.0)
(pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0)))
(t_1 (sqrt t_0))
(t_2
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(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(hypotf((dX_46_v * floorf(h)), (dX_46_u * floorf(w))), 2.0f), powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f));
float t_1 = sqrtf(t_0);
float t_2 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
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 = ((hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)) != (hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0))) ? (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) : (((hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0))) ? (hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)) : max((hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)), (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)))) t_1 = sqrt(t_0) t_2 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) 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((hypot((dX_46_v * floor(h)), (dX_46_u * floor(w))) ^ single(2.0)), (hypot((floor(h) * dY_46_v), (floor(w) * dY_46_u)) ^ single(2.0))); t_1 = sqrt(t_0); t_2 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); 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(\mathsf{hypot}\left(dX.v \cdot \left\lfloor h\right\rfloor , dX.u \cdot \left\lfloor w\right\rfloor \right)\right)}^{2}, {\left(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\right)\\
t_1 := \sqrt{t\_0}\\
t_2 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\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%
Simplified74.7%
Applied egg-rr66.4%
Simplified74.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* dX.u (floor w)))
(t_2 (* (floor h) dY.v))
(t_3 (pow (hypot t_2 (* (floor w) dY.u)) 2.0))
(t_4 (pow (hypot t_0 t_1) 2.0))
(t_5 (fmax t_4 t_3))
(t_6
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(if (<= dX.v -0.15000000596046448)
(log2
(if (> (/ t_5 t_6) (floor maxAniso))
(/ (sqrt (fmax t_4 (pow t_2 2.0))) (floor maxAniso))
(/ t_6 (sqrt (fmax (pow t_0 2.0) t_3)))))
(log2
(if (> (/ (fmax (pow t_1 2.0) t_3) t_6) (floor maxAniso))
(/ (sqrt t_5) (floor maxAniso))
(/ t_6 (sqrt (fmax (exp (* 2.0 (log t_1))) 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 = dX_46_v * floorf(h);
float t_1 = dX_46_u * floorf(w);
float t_2 = floorf(h) * dY_46_v;
float t_3 = powf(hypotf(t_2, (floorf(w) * dY_46_u)), 2.0f);
float t_4 = powf(hypotf(t_0, t_1), 2.0f);
float t_5 = fmaxf(t_4, t_3);
float t_6 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp_1;
if (dX_46_v <= -0.15000000596046448f) {
float tmp_2;
if ((t_5 / t_6) > floorf(maxAniso)) {
tmp_2 = sqrtf(fmaxf(t_4, powf(t_2, 2.0f))) / floorf(maxAniso);
} else {
tmp_2 = t_6 / sqrtf(fmaxf(powf(t_0, 2.0f), t_3));
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(powf(t_1, 2.0f), t_3) / t_6) > floorf(maxAniso)) {
tmp_3 = sqrtf(t_5) / floorf(maxAniso);
} else {
tmp_3 = t_6 / sqrtf(fmaxf(expf((2.0f * logf(t_1))), t_3));
}
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(dX_46_v * floor(h)) t_1 = Float32(dX_46_u * floor(w)) t_2 = Float32(floor(h) * dY_46_v) t_3 = hypot(t_2, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_4 = hypot(t_0, t_1) ^ Float32(2.0) t_5 = (t_4 != t_4) ? t_3 : ((t_3 != t_3) ? t_4 : max(t_4, t_3)) t_6 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(-0.15000000596046448)) tmp_2 = Float32(0.0) if (Float32(t_5 / t_6) > floor(maxAniso)) tmp_2 = Float32(sqrt(((t_4 != t_4) ? (t_2 ^ Float32(2.0)) : (((t_2 ^ Float32(2.0)) != (t_2 ^ Float32(2.0))) ? t_4 : max(t_4, (t_2 ^ Float32(2.0)))))) / floor(maxAniso)); else tmp_2 = Float32(t_6 / sqrt((((t_0 ^ Float32(2.0)) != (t_0 ^ Float32(2.0))) ? t_3 : ((t_3 != t_3) ? (t_0 ^ Float32(2.0)) : max((t_0 ^ Float32(2.0)), t_3))))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32((((t_1 ^ Float32(2.0)) != (t_1 ^ Float32(2.0))) ? t_3 : ((t_3 != t_3) ? (t_1 ^ Float32(2.0)) : max((t_1 ^ Float32(2.0)), t_3))) / t_6) > floor(maxAniso)) tmp_3 = Float32(sqrt(t_5) / floor(maxAniso)); else tmp_3 = Float32(t_6 / sqrt(((exp(Float32(Float32(2.0) * log(t_1))) != exp(Float32(Float32(2.0) * log(t_1)))) ? t_3 : ((t_3 != t_3) ? exp(Float32(Float32(2.0) * log(t_1))) : max(exp(Float32(Float32(2.0) * log(t_1))), t_3))))); 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 = dX_46_v * floor(h); t_1 = dX_46_u * floor(w); t_2 = floor(h) * dY_46_v; t_3 = hypot(t_2, (floor(w) * dY_46_u)) ^ single(2.0); t_4 = hypot(t_0, t_1) ^ single(2.0); t_5 = max(t_4, t_3); t_6 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp_2 = single(0.0); if (dX_46_v <= single(-0.15000000596046448)) tmp_3 = single(0.0); if ((t_5 / t_6) > floor(maxAniso)) tmp_3 = sqrt(max(t_4, (t_2 ^ single(2.0)))) / floor(maxAniso); else tmp_3 = t_6 / sqrt(max((t_0 ^ single(2.0)), t_3)); end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((max((t_1 ^ single(2.0)), t_3) / t_6) > floor(maxAniso)) tmp_4 = sqrt(t_5) / floor(maxAniso); else tmp_4 = t_6 / sqrt(max(exp((single(2.0) * log(t_1))), t_3)); end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := {\left(\mathsf{hypot}\left(t\_2, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_4 := {\left(\mathsf{hypot}\left(t\_0, t\_1\right)\right)}^{2}\\
t_5 := \mathsf{max}\left(t\_4, t\_3\right)\\
t_6 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
\mathbf{if}\;dX.v \leq -0.15000000596046448:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_5}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_4, {t\_2}^{2}\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{\sqrt{\mathsf{max}\left({t\_0}^{2}, t\_3\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({t\_1}^{2}, t\_3\right)}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{\sqrt{\mathsf{max}\left(e^{2 \cdot \log t\_1}, t\_3\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dX.v < -0.150000006Initial program 67.9%
Simplified67.9%
Applied egg-rr64.6%
Simplified67.9%
Taylor expanded in dY.v around inf 67.2%
*-commutative67.9%
unpow267.9%
unpow267.9%
swap-sqr67.9%
unpow267.9%
Simplified67.2%
Taylor expanded in dX.v around inf 67.2%
*-commutative67.2%
unpow267.2%
unpow267.2%
swap-sqr67.2%
unpow267.2%
*-commutative67.2%
Simplified67.2%
if -0.150000006 < dX.v Initial program 77.0%
Simplified77.1%
Applied egg-rr67.0%
Simplified77.1%
Taylor expanded in dX.v around 0 76.8%
unpow276.8%
unpow276.8%
swap-sqr76.8%
unpow276.8%
Simplified76.8%
Taylor expanded in dX.v around 0 73.3%
unpow276.8%
unpow276.8%
swap-sqr76.8%
unpow276.8%
Simplified73.3%
add-exp-log73.3%
log-pow73.5%
*-commutative73.5%
Applied egg-rr73.5%
Final simplification71.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot (* dX.v (floor h)) (* dX.u (floor w))) 2.0))
(t_2 (fmax t_1 (pow (hypot t_0 (* (floor w) dY.u)) 2.0)))
(t_3
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(log2
(if (> (/ t_2 t_3) (floor maxAniso))
(/ (sqrt t_2) (floor maxAniso))
(/ t_3 (sqrt (fmax t_1 (pow t_0 2.0))))))))
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 = floorf(h) * dY_46_v;
float t_1 = powf(hypotf((dX_46_v * floorf(h)), (dX_46_u * floorf(w))), 2.0f);
float t_2 = fmaxf(t_1, powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f));
float t_3 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp;
if ((t_2 / t_3) > floorf(maxAniso)) {
tmp = sqrtf(t_2) / floorf(maxAniso);
} else {
tmp = t_3 / sqrtf(fmaxf(t_1, powf(t_0, 2.0f)));
}
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) t_1 = hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0) t_2 = (t_1 != t_1) ? (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) : (((hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) != (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0))) ? t_1 : max(t_1, (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0)))) t_3 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) 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(((t_1 != t_1) ? (t_0 ^ Float32(2.0)) : (((t_0 ^ Float32(2.0)) != (t_0 ^ Float32(2.0))) ? t_1 : max(t_1, (t_0 ^ Float32(2.0))))))); 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; t_1 = hypot((dX_46_v * floor(h)), (dX_46_u * floor(w))) ^ single(2.0); t_2 = max(t_1, (hypot(t_0, (floor(w) * dY_46_u)) ^ single(2.0))); t_3 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); 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 ^ single(2.0)))); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(dX.v \cdot \left\lfloor h\right\rfloor , dX.u \cdot \left\lfloor w\right\rfloor \right)\right)}^{2}\\
t_2 := \mathsf{max}\left(t\_1, {\left(\mathsf{hypot}\left(t\_0, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\right)\\
t_3 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\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\_1, {t\_0}^{2}\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.6%
Simplified74.7%
Applied egg-rr66.4%
Simplified74.7%
Taylor expanded in dY.v around inf 74.4%
*-commutative74.4%
unpow274.4%
unpow274.4%
swap-sqr74.4%
unpow274.4%
Simplified74.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(t_2 (fmax (pow (hypot (* dX.v (floor h)) t_0) 2.0) t_1))
(t_3
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(log2
(if (> (/ t_2 t_3) (floor maxAniso))
(/ (sqrt t_2) (floor maxAniso))
(/ t_3 (sqrt (fmax (pow t_0 2.0) 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 = dX_46_u * floorf(w);
float t_1 = powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f);
float t_2 = fmaxf(powf(hypotf((dX_46_v * floorf(h)), t_0), 2.0f), t_1);
float t_3 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp;
if ((t_2 / t_3) > floorf(maxAniso)) {
tmp = sqrtf(t_2) / floorf(maxAniso);
} else {
tmp = t_3 / sqrtf(fmaxf(powf(t_0, 2.0f), 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(dX_46_u * floor(w)) t_1 = hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_2 = ((hypot(Float32(dX_46_v * floor(h)), t_0) ^ Float32(2.0)) != (hypot(Float32(dX_46_v * floor(h)), t_0) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(Float32(dX_46_v * floor(h)), t_0) ^ Float32(2.0)) : max((hypot(Float32(dX_46_v * floor(h)), t_0) ^ Float32(2.0)), t_1)) t_3 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) 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((((t_0 ^ Float32(2.0)) != (t_0 ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (t_0 ^ Float32(2.0)) : max((t_0 ^ Float32(2.0)), 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 = dX_46_u * floor(w); t_1 = hypot((floor(h) * dY_46_v), (floor(w) * dY_46_u)) ^ single(2.0); t_2 = max((hypot((dX_46_v * floor(h)), t_0) ^ single(2.0)), t_1); t_3 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); 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 ^ single(2.0)), t_1)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := {\left(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_2 := \mathsf{max}\left({\left(\mathsf{hypot}\left(dX.v \cdot \left\lfloor h\right\rfloor , t\_0\right)\right)}^{2}, t\_1\right)\\
t_3 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\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}^{2}, t\_1\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.6%
Simplified74.7%
Applied egg-rr66.4%
Simplified74.7%
Taylor expanded in dX.v around 0 74.2%
unpow274.2%
unpow274.2%
swap-sqr74.2%
unpow274.2%
Simplified74.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* (floor h) dY.v))
(t_2 (pow (hypot t_1 (* (floor w) dY.u)) 2.0))
(t_3 (* dX.u (floor w)))
(t_4 (pow (hypot t_0 t_3) 2.0))
(t_5 (/ (sqrt (fmax t_4 t_2)) (floor maxAniso)))
(t_6
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(if (<= dX.v -200.0)
(log2
(if (> (/ (fmax (pow t_0 2.0) t_2) t_6) (floor maxAniso))
t_5
(/ t_6 (sqrt (fmax t_4 (pow t_1 2.0))))))
(log2
(if (> (/ (fmax (pow t_3 2.0) t_2) t_6) (floor maxAniso))
t_5
(/ t_6 (sqrt (fmax (exp (* 2.0 (log t_3))) 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 = dX_46_v * floorf(h);
float t_1 = floorf(h) * dY_46_v;
float t_2 = powf(hypotf(t_1, (floorf(w) * dY_46_u)), 2.0f);
float t_3 = dX_46_u * floorf(w);
float t_4 = powf(hypotf(t_0, t_3), 2.0f);
float t_5 = sqrtf(fmaxf(t_4, t_2)) / floorf(maxAniso);
float t_6 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp_1;
if (dX_46_v <= -200.0f) {
float tmp_2;
if ((fmaxf(powf(t_0, 2.0f), t_2) / t_6) > floorf(maxAniso)) {
tmp_2 = t_5;
} else {
tmp_2 = t_6 / sqrtf(fmaxf(t_4, powf(t_1, 2.0f)));
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(powf(t_3, 2.0f), t_2) / t_6) > floorf(maxAniso)) {
tmp_3 = t_5;
} else {
tmp_3 = t_6 / sqrtf(fmaxf(expf((2.0f * logf(t_3))), t_2));
}
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(dX_46_v * floor(h)) t_1 = Float32(floor(h) * dY_46_v) t_2 = hypot(t_1, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_3 = Float32(dX_46_u * floor(w)) t_4 = hypot(t_0, t_3) ^ Float32(2.0) t_5 = Float32(sqrt(((t_4 != t_4) ? t_2 : ((t_2 != t_2) ? t_4 : max(t_4, t_2)))) / floor(maxAniso)) t_6 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(-200.0)) tmp_2 = Float32(0.0) if (Float32((((t_0 ^ Float32(2.0)) != (t_0 ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (t_0 ^ Float32(2.0)) : max((t_0 ^ Float32(2.0)), t_2))) / t_6) > floor(maxAniso)) tmp_2 = t_5; else tmp_2 = Float32(t_6 / sqrt(((t_4 != t_4) ? (t_1 ^ Float32(2.0)) : (((t_1 ^ Float32(2.0)) != (t_1 ^ Float32(2.0))) ? t_4 : max(t_4, (t_1 ^ Float32(2.0))))))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32((((t_3 ^ Float32(2.0)) != (t_3 ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (t_3 ^ Float32(2.0)) : max((t_3 ^ Float32(2.0)), t_2))) / t_6) > floor(maxAniso)) tmp_3 = t_5; else tmp_3 = Float32(t_6 / sqrt(((exp(Float32(Float32(2.0) * log(t_3))) != exp(Float32(Float32(2.0) * log(t_3)))) ? t_2 : ((t_2 != t_2) ? exp(Float32(Float32(2.0) * log(t_3))) : max(exp(Float32(Float32(2.0) * log(t_3))), t_2))))); 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 = dX_46_v * floor(h); t_1 = floor(h) * dY_46_v; t_2 = hypot(t_1, (floor(w) * dY_46_u)) ^ single(2.0); t_3 = dX_46_u * floor(w); t_4 = hypot(t_0, t_3) ^ single(2.0); t_5 = sqrt(max(t_4, t_2)) / floor(maxAniso); t_6 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp_2 = single(0.0); if (dX_46_v <= single(-200.0)) tmp_3 = single(0.0); if ((max((t_0 ^ single(2.0)), t_2) / t_6) > floor(maxAniso)) tmp_3 = t_5; else tmp_3 = t_6 / sqrt(max(t_4, (t_1 ^ single(2.0)))); end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((max((t_3 ^ single(2.0)), t_2) / t_6) > floor(maxAniso)) tmp_4 = t_5; else tmp_4 = t_6 / sqrt(max(exp((single(2.0) * log(t_3))), t_2)); end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := {\left(\mathsf{hypot}\left(t\_1, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_3 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_4 := {\left(\mathsf{hypot}\left(t\_0, t\_3\right)\right)}^{2}\\
t_5 := \frac{\sqrt{\mathsf{max}\left(t\_4, t\_2\right)}}{\left\lfloor maxAniso\right\rfloor }\\
t_6 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
\mathbf{if}\;dX.v \leq -200:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({t\_0}^{2}, t\_2\right)}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{\sqrt{\mathsf{max}\left(t\_4, {t\_1}^{2}\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({t\_3}^{2}, t\_2\right)}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{\sqrt{\mathsf{max}\left(e^{2 \cdot \log t\_3}, t\_2\right)}}\\
\end{array}\\
\end{array}
\end{array}
if dX.v < -200Initial program 69.3%
Simplified69.3%
Applied egg-rr67.5%
Simplified69.3%
Taylor expanded in dY.v around inf 69.3%
*-commutative69.3%
unpow269.3%
unpow269.3%
swap-sqr69.3%
unpow269.3%
Simplified69.3%
Taylor expanded in dX.v around inf 68.3%
*-commutative68.4%
unpow268.4%
unpow268.4%
swap-sqr68.4%
unpow268.4%
*-commutative68.4%
Simplified68.3%
if -200 < dX.v Initial program 76.3%
Simplified76.3%
Applied egg-rr66.1%
Simplified76.3%
Taylor expanded in dX.v around 0 76.0%
unpow276.0%
unpow276.0%
swap-sqr76.0%
unpow276.0%
Simplified76.0%
Taylor expanded in dX.v around 0 72.3%
unpow276.0%
unpow276.0%
swap-sqr76.0%
unpow276.0%
Simplified72.3%
add-exp-log72.3%
log-pow72.5%
*-commutative72.5%
Applied egg-rr72.5%
Final simplification71.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* (floor h) dY.v))
(t_2 (pow (hypot t_1 (* (floor w) dY.u)) 2.0))
(t_3 (* dX.u (floor w)))
(t_4 (fmax (pow t_3 2.0) t_2))
(t_5 (pow (hypot t_0 t_3) 2.0))
(t_6 (/ (sqrt (fmax t_5 t_2)) (floor maxAniso)))
(t_7
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(if (<= dX.v -200.0)
(log2
(if (> (/ (fmax (pow t_0 2.0) t_2) t_7) (floor maxAniso))
t_6
(/ t_7 (sqrt (fmax t_5 (pow t_1 2.0))))))
(log2 (if (> (/ t_4 t_7) (floor maxAniso)) t_6 (/ t_7 (sqrt t_4)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dX_46_v * floorf(h);
float t_1 = floorf(h) * dY_46_v;
float t_2 = powf(hypotf(t_1, (floorf(w) * dY_46_u)), 2.0f);
float t_3 = dX_46_u * floorf(w);
float t_4 = fmaxf(powf(t_3, 2.0f), t_2);
float t_5 = powf(hypotf(t_0, t_3), 2.0f);
float t_6 = sqrtf(fmaxf(t_5, t_2)) / floorf(maxAniso);
float t_7 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp_1;
if (dX_46_v <= -200.0f) {
float tmp_2;
if ((fmaxf(powf(t_0, 2.0f), t_2) / t_7) > floorf(maxAniso)) {
tmp_2 = t_6;
} else {
tmp_2 = t_7 / sqrtf(fmaxf(t_5, powf(t_1, 2.0f)));
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((t_4 / t_7) > floorf(maxAniso)) {
tmp_3 = t_6;
} else {
tmp_3 = t_7 / sqrtf(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(dX_46_v * floor(h)) t_1 = Float32(floor(h) * dY_46_v) t_2 = hypot(t_1, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_3 = Float32(dX_46_u * floor(w)) t_4 = ((t_3 ^ Float32(2.0)) != (t_3 ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (t_3 ^ Float32(2.0)) : max((t_3 ^ Float32(2.0)), t_2)) t_5 = hypot(t_0, t_3) ^ Float32(2.0) t_6 = Float32(sqrt(((t_5 != t_5) ? t_2 : ((t_2 != t_2) ? t_5 : max(t_5, t_2)))) / floor(maxAniso)) t_7 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(-200.0)) tmp_2 = Float32(0.0) if (Float32((((t_0 ^ Float32(2.0)) != (t_0 ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (t_0 ^ Float32(2.0)) : max((t_0 ^ Float32(2.0)), t_2))) / t_7) > floor(maxAniso)) tmp_2 = t_6; else tmp_2 = Float32(t_7 / sqrt(((t_5 != t_5) ? (t_1 ^ Float32(2.0)) : (((t_1 ^ Float32(2.0)) != (t_1 ^ Float32(2.0))) ? t_5 : max(t_5, (t_1 ^ Float32(2.0))))))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(t_4 / t_7) > floor(maxAniso)) tmp_3 = t_6; else tmp_3 = Float32(t_7 / sqrt(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 = dX_46_v * floor(h); t_1 = floor(h) * dY_46_v; t_2 = hypot(t_1, (floor(w) * dY_46_u)) ^ single(2.0); t_3 = dX_46_u * floor(w); t_4 = max((t_3 ^ single(2.0)), t_2); t_5 = hypot(t_0, t_3) ^ single(2.0); t_6 = sqrt(max(t_5, t_2)) / floor(maxAniso); t_7 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp_2 = single(0.0); if (dX_46_v <= single(-200.0)) tmp_3 = single(0.0); if ((max((t_0 ^ single(2.0)), t_2) / t_7) > floor(maxAniso)) tmp_3 = t_6; else tmp_3 = t_7 / sqrt(max(t_5, (t_1 ^ single(2.0)))); end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if ((t_4 / t_7) > floor(maxAniso)) tmp_4 = t_6; else tmp_4 = t_7 / sqrt(t_4); end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := {\left(\mathsf{hypot}\left(t\_1, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_3 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_4 := \mathsf{max}\left({t\_3}^{2}, t\_2\right)\\
t_5 := {\left(\mathsf{hypot}\left(t\_0, t\_3\right)\right)}^{2}\\
t_6 := \frac{\sqrt{\mathsf{max}\left(t\_5, t\_2\right)}}{\left\lfloor maxAniso\right\rfloor }\\
t_7 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
\mathbf{if}\;dX.v \leq -200:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({t\_0}^{2}, t\_2\right)}{t\_7} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{\sqrt{\mathsf{max}\left(t\_5, {t\_1}^{2}\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_7} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{\sqrt{t\_4}}\\
\end{array}\\
\end{array}
\end{array}
if dX.v < -200Initial program 69.3%
Simplified69.3%
Applied egg-rr67.5%
Simplified69.3%
Taylor expanded in dY.v around inf 69.3%
*-commutative69.3%
unpow269.3%
unpow269.3%
swap-sqr69.3%
unpow269.3%
Simplified69.3%
Taylor expanded in dX.v around inf 68.3%
*-commutative68.4%
unpow268.4%
unpow268.4%
swap-sqr68.4%
unpow268.4%
*-commutative68.4%
Simplified68.3%
if -200 < dX.v Initial program 76.3%
Simplified76.3%
Applied egg-rr66.1%
Simplified76.3%
Taylor expanded in dX.v around 0 76.0%
unpow276.0%
unpow276.0%
swap-sqr76.0%
unpow276.0%
Simplified76.0%
Taylor expanded in dX.v around 0 72.3%
unpow276.0%
unpow276.0%
swap-sqr76.0%
unpow276.0%
Simplified72.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(t_1
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_2 (* dX.u (floor w)))
(t_3 (fmax (pow t_2 2.0) t_0)))
(log2
(if (> (/ t_3 t_1) (floor maxAniso))
(/
(sqrt (fmax (pow (hypot (* dX.v (floor h)) t_2) 2.0) t_0))
(floor maxAniso))
(/ t_1 (sqrt t_3))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f);
float t_1 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float t_2 = dX_46_u * floorf(w);
float t_3 = fmaxf(powf(t_2, 2.0f), t_0);
float tmp;
if ((t_3 / t_1) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(powf(hypotf((dX_46_v * floorf(h)), t_2), 2.0f), t_0)) / floorf(maxAniso);
} else {
tmp = t_1 / sqrtf(t_3);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_1 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_2 = Float32(dX_46_u * floor(w)) t_3 = ((t_2 ^ Float32(2.0)) != (t_2 ^ Float32(2.0))) ? t_0 : ((t_0 != t_0) ? (t_2 ^ Float32(2.0)) : max((t_2 ^ Float32(2.0)), t_0)) tmp = Float32(0.0) if (Float32(t_3 / t_1) > floor(maxAniso)) tmp = Float32(sqrt((((hypot(Float32(dX_46_v * floor(h)), t_2) ^ Float32(2.0)) != (hypot(Float32(dX_46_v * floor(h)), t_2) ^ Float32(2.0))) ? t_0 : ((t_0 != t_0) ? (hypot(Float32(dX_46_v * floor(h)), t_2) ^ Float32(2.0)) : max((hypot(Float32(dX_46_v * floor(h)), t_2) ^ Float32(2.0)), t_0)))) / floor(maxAniso)); else tmp = Float32(t_1 / sqrt(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 = hypot((floor(h) * dY_46_v), (floor(w) * dY_46_u)) ^ single(2.0); t_1 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); t_2 = dX_46_u * floor(w); t_3 = max((t_2 ^ single(2.0)), t_0); tmp = single(0.0); if ((t_3 / t_1) > floor(maxAniso)) tmp = sqrt(max((hypot((dX_46_v * floor(h)), t_2) ^ single(2.0)), t_0)) / floor(maxAniso); else tmp = t_1 / sqrt(t_3); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_1 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
t_2 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_3 := \mathsf{max}\left({t\_2}^{2}, t\_0\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_3}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(dX.v \cdot \left\lfloor h\right\rfloor , t\_2\right)\right)}^{2}, t\_0\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{t\_3}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.6%
Simplified74.7%
Applied egg-rr66.4%
Simplified74.7%
Taylor expanded in dX.v around 0 74.2%
unpow274.2%
unpow274.2%
swap-sqr74.2%
unpow274.2%
Simplified74.2%
Taylor expanded in dX.v around 0 67.5%
unpow274.2%
unpow274.2%
swap-sqr74.2%
unpow274.2%
Simplified67.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(t_1
(fabs (* (floor h) (* (floor w) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_2 (fmax (pow (* dX.u (floor w)) 2.0) t_0)))
(log2
(if (> (/ t_2 t_1) (floor maxAniso))
(/ (sqrt (fmax (pow (* (floor w) (- dX.u)) 2.0) t_0)) (floor maxAniso))
(/ t_1 (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(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f);
float t_1 = fabsf((floorf(h) * (floorf(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float t_2 = fmaxf(powf((dX_46_u * floorf(w)), 2.0f), t_0);
float tmp;
if ((t_2 / t_1) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(powf((floorf(w) * -dX_46_u), 2.0f), t_0)) / floorf(maxAniso);
} else {
tmp = t_1 / 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 = hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_1 = abs(Float32(floor(h) * Float32(floor(w) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_2 = ((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) != (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) ? t_0 : ((t_0 != t_0) ? (Float32(dX_46_u * floor(w)) ^ Float32(2.0)) : max((Float32(dX_46_u * floor(w)) ^ Float32(2.0)), t_0)) tmp = Float32(0.0) if (Float32(t_2 / t_1) > floor(maxAniso)) tmp = Float32(sqrt((((Float32(floor(w) * Float32(-dX_46_u)) ^ Float32(2.0)) != (Float32(floor(w) * Float32(-dX_46_u)) ^ Float32(2.0))) ? t_0 : ((t_0 != t_0) ? (Float32(floor(w) * Float32(-dX_46_u)) ^ Float32(2.0)) : max((Float32(floor(w) * Float32(-dX_46_u)) ^ Float32(2.0)), t_0)))) / floor(maxAniso)); else tmp = Float32(t_1 / 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 = hypot((floor(h) * dY_46_v), (floor(w) * dY_46_u)) ^ single(2.0); t_1 = abs((floor(h) * (floor(w) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); t_2 = max(((dX_46_u * floor(w)) ^ single(2.0)), t_0); tmp = single(0.0); if ((t_2 / t_1) > floor(maxAniso)) tmp = sqrt(max(((floor(w) * -dX_46_u) ^ single(2.0)), t_0)) / floor(maxAniso); else tmp = t_1 / sqrt(t_2); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_1 := \left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
t_2 := \mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}, t\_0\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot \left(-dX.u\right)\right)}^{2}, t\_0\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{t\_2}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.6%
Simplified74.7%
Applied egg-rr66.4%
Simplified74.7%
Taylor expanded in dX.v around 0 74.2%
unpow274.2%
unpow274.2%
swap-sqr74.2%
unpow274.2%
Simplified74.2%
Taylor expanded in dX.v around 0 67.5%
unpow274.2%
unpow274.2%
swap-sqr74.2%
unpow274.2%
Simplified67.5%
Taylor expanded in dX.u around -inf 61.4%
mul-1-neg61.4%
distribute-rgt-neg-in61.4%
Simplified61.4%
Final simplification61.4%
herbie shell --seed 2024185
(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)))))))))