
(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 11 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 h) 2.0))
(t_1 (pow (floor w) 2.0))
(t_2
(fmax
(fma (* t_1 dX.u) dX.u (* (* t_0 dX.v) dX.v))
(fma (* t_1 dY.u) dY.u (* (* t_0 dY.v) dY.v))))
(t_3
(fabs (* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h))))))
(log2
(if (> (/ t_2 t_3) (floor maxAniso))
(/ (sqrt t_2) (floor maxAniso))
(* (sqrt (/ 1.0 t_2)) t_3)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(h), 2.0f);
float t_1 = powf(floorf(w), 2.0f);
float t_2 = fmaxf(fmaf((t_1 * dX_46_u), dX_46_u, ((t_0 * dX_46_v) * dX_46_v)), fmaf((t_1 * dY_46_u), dY_46_u, ((t_0 * dY_46_v) * dY_46_v)));
float t_3 = fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
float tmp;
if ((t_2 / t_3) > floorf(maxAniso)) {
tmp = sqrtf(t_2) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_2)) * t_3;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = floor(w) ^ Float32(2.0) t_2 = fmax(fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v)), fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_0 * dY_46_v) * dY_46_v))) t_3 = abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h)))) tmp = Float32(0.0) if (Float32(t_2 / t_3) > floor(maxAniso)) tmp = Float32(sqrt(t_2) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_2)) * t_3); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := \mathsf{max}\left(\mathsf{fma}\left(t\_1 \cdot dX.u, dX.u, \left(t\_0 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, \left(t\_0 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_3 := \left|\mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \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}:\\
\;\;\;\;\sqrt{\frac{1}{t\_2}} \cdot t\_3\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in w around 0
Applied rewrites75.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (pow (floor h) 2.0))
(t_2 (* (floor w) dX.u))
(t_3 (* (* t_1 dX.v) dX.v))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_0 t_0) (* t_4 t_4)))
(t_6 (pow (floor w) 2.0))
(t_7 (* (floor h) dX.v)))
(log2
(if (>
(/
(fmax
(fma (* t_6 dX.u) dX.u t_3)
(fma (* t_6 dY.u) dY.u (* (* t_1 dY.v) dY.v)))
(fabs (* (* (- (* dY.v dX.u) (* dY.u dX.v)) (floor w)) (floor h))))
(floor maxAniso))
(/ (sqrt (fmax (+ (* t_2 t_2) (* t_7 t_7)) t_5)) (floor maxAniso))
(/
(fabs
(*
(* (* (floor h) (floor w)) (/ (fma dY.v dX.u (* (- dY.u) dX.v)) dX.v))
dX.v))
(sqrt (fmax 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 = floorf(w) * dY_46_u;
float t_1 = powf(floorf(h), 2.0f);
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_1 * dX_46_v) * dX_46_v;
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_0 * t_0) + (t_4 * t_4);
float t_6 = powf(floorf(w), 2.0f);
float t_7 = floorf(h) * dX_46_v;
float tmp;
if ((fmaxf(fmaf((t_6 * dX_46_u), dX_46_u, t_3), fmaf((t_6 * dY_46_u), dY_46_u, ((t_1 * dY_46_v) * dY_46_v))) / fabsf(((((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)) * floorf(w)) * floorf(h)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((t_2 * t_2) + (t_7 * t_7)), t_5)) / floorf(maxAniso);
} else {
tmp = fabsf((((floorf(h) * floorf(w)) * (fmaf(dY_46_v, dX_46_u, (-dY_46_u * dX_46_v)) / dX_46_v)) * dX_46_v)) / sqrtf(fmaxf(t_3, 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(w) * dY_46_u) t_1 = floor(h) ^ Float32(2.0) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(Float32(t_1 * dX_46_v) * dX_46_v) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_0 * t_0) + Float32(t_4 * t_4)) t_6 = floor(w) ^ Float32(2.0) t_7 = Float32(floor(h) * dX_46_v) tmp = Float32(0.0) if (Float32(fmax(fma(Float32(t_6 * dX_46_u), dX_46_u, t_3), fma(Float32(t_6 * dY_46_u), dY_46_u, Float32(Float32(t_1 * dY_46_v) * dY_46_v))) / abs(Float32(Float32(Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)) * floor(w)) * floor(h)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(Float32(t_2 * t_2) + Float32(t_7 * t_7)), t_5)) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(Float32(floor(h) * floor(w)) * Float32(fma(dY_46_v, dX_46_u, Float32(Float32(-dY_46_u) * dX_46_v)) / dX_46_v)) * dX_46_v)) / sqrt(fmax(t_3, t_5))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := \left(t\_1 \cdot dX.v\right) \cdot dX.v\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := t\_0 \cdot t\_0 + t\_4 \cdot t\_4\\
t_6 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_7 := \left\lfloor h\right\rfloor \cdot dX.v\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_6 \cdot dX.u, dX.u, t\_3\right), \mathsf{fma}\left(t\_6 \cdot dY.u, dY.u, \left(t\_1 \cdot dY.v\right) \cdot dY.v\right)\right)}{\left|\left(\left(dY.v \cdot dX.u - dY.u \cdot dX.v\right) \cdot \left\lfloor w\right\rfloor \right) \cdot \left\lfloor h\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_2 \cdot t\_2 + t\_7 \cdot t\_7, t\_5\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \frac{\mathsf{fma}\left(dY.v, dX.u, \left(-dY.u\right) \cdot dX.v\right)}{dX.v}\right) \cdot dX.v\right|}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3274.7
Applied rewrites74.7%
Taylor expanded in dX.v around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites74.7%
Taylor expanded in w around 0
Applied rewrites74.7%
Taylor expanded in dX.v around 0
Applied rewrites74.7%
Final simplification74.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (pow (floor w) 2.0))
(t_2
(fabs (* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h)))))
(t_3 (fma (* t_1 dX.u) dX.u (* (* t_0 dX.v) dX.v)))
(t_4 (* (* t_0 dY.v) dY.v))
(t_5 (fmax t_3 (fma (* t_1 dY.u) dY.u t_4))))
(log2
(if (> (/ t_5 t_2) (floor maxAniso))
(/ (sqrt t_5) (floor maxAniso))
(* (sqrt (/ 1.0 (fmax t_3 t_4))) t_2)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(h), 2.0f);
float t_1 = powf(floorf(w), 2.0f);
float t_2 = fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
float t_3 = fmaf((t_1 * dX_46_u), dX_46_u, ((t_0 * dX_46_v) * dX_46_v));
float t_4 = (t_0 * dY_46_v) * dY_46_v;
float t_5 = fmaxf(t_3, fmaf((t_1 * dY_46_u), dY_46_u, t_4));
float tmp;
if ((t_5 / t_2) > floorf(maxAniso)) {
tmp = sqrtf(t_5) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / fmaxf(t_3, t_4))) * t_2;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = floor(w) ^ Float32(2.0) t_2 = abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h)))) t_3 = fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v)) t_4 = Float32(Float32(t_0 * dY_46_v) * dY_46_v) t_5 = fmax(t_3, fma(Float32(t_1 * dY_46_u), dY_46_u, t_4)) tmp = Float32(0.0) if (Float32(t_5 / t_2) > floor(maxAniso)) tmp = Float32(sqrt(t_5) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / fmax(t_3, t_4))) * t_2); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := \left|\mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_3 := \mathsf{fma}\left(t\_1 \cdot dX.u, dX.u, \left(t\_0 \cdot dX.v\right) \cdot dX.v\right)\\
t_4 := \left(t\_0 \cdot dY.v\right) \cdot dY.v\\
t_5 := \mathsf{max}\left(t\_3, \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, t\_4\right)\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_5}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_3, t\_4\right)}} \cdot t\_2\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in w around 0
Applied rewrites75.0%
Taylor expanded in dY.u around 0
Applied rewrites73.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (floor w) 2.0))
(t_2 (* t_1 dY.u))
(t_3 (* t_1 dX.u))
(t_4 (* (floor h) dX.v))
(t_5 (* (floor w) dY.u))
(t_6
(fabs (* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h)))))
(t_7 (pow (floor h) 2.0))
(t_8 (* (* t_7 dX.v) dX.v))
(t_9 (* (floor w) dX.u))
(t_10 (fabs (- (* t_4 t_5) (* t_9 t_0))))
(t_11 (fma t_3 dX.u t_8))
(t_12 (+ (* t_5 t_5) (* t_0 t_0)))
(t_13 (fmax t_8 t_12))
(t_14 (/ t_10 (sqrt t_13)))
(t_15 (* (* t_7 dY.v) dY.v))
(t_16 (fma t_2 dY.u t_15)))
(if (<= dY.u -0.10000000149011612)
(log2
(if (> (/ (fmax t_8 (* t_2 dY.u)) t_10) (floor maxAniso))
(/ (sqrt (fmax (+ (* t_9 t_9) (* t_4 t_4)) t_12)) (floor maxAniso))
t_14))
(if (<= dY.u 400.0)
(log2
(if (> (/ (fmax t_11 t_15) t_6) (floor maxAniso))
(/
(sqrt
(fmax
(fma
(floor h)
(* (floor h) (* dX.v dX.v))
(pow (* dX.u (floor w)) 2.0))
t_16))
(floor maxAniso))
(* (sqrt (/ 1.0 (fmax t_11 t_16))) t_6)))
(log2
(if (> (/ t_13 (fabs (* (* t_0 dX.u) (floor w)))) (floor maxAniso))
(/ (sqrt (fmax (* t_3 dX.u) t_12)) (floor maxAniso))
t_14))))))
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(floorf(w), 2.0f);
float t_2 = t_1 * dY_46_u;
float t_3 = t_1 * dX_46_u;
float t_4 = floorf(h) * dX_46_v;
float t_5 = floorf(w) * dY_46_u;
float t_6 = fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
float t_7 = powf(floorf(h), 2.0f);
float t_8 = (t_7 * dX_46_v) * dX_46_v;
float t_9 = floorf(w) * dX_46_u;
float t_10 = fabsf(((t_4 * t_5) - (t_9 * t_0)));
float t_11 = fmaf(t_3, dX_46_u, t_8);
float t_12 = (t_5 * t_5) + (t_0 * t_0);
float t_13 = fmaxf(t_8, t_12);
float t_14 = t_10 / sqrtf(t_13);
float t_15 = (t_7 * dY_46_v) * dY_46_v;
float t_16 = fmaf(t_2, dY_46_u, t_15);
float tmp_1;
if (dY_46_u <= -0.10000000149011612f) {
float tmp_2;
if ((fmaxf(t_8, (t_2 * dY_46_u)) / t_10) > floorf(maxAniso)) {
tmp_2 = sqrtf(fmaxf(((t_9 * t_9) + (t_4 * t_4)), t_12)) / floorf(maxAniso);
} else {
tmp_2 = t_14;
}
tmp_1 = log2f(tmp_2);
} else if (dY_46_u <= 400.0f) {
float tmp_3;
if ((fmaxf(t_11, t_15) / t_6) > floorf(maxAniso)) {
tmp_3 = sqrtf(fmaxf(fmaf(floorf(h), (floorf(h) * (dX_46_v * dX_46_v)), powf((dX_46_u * floorf(w)), 2.0f)), t_16)) / floorf(maxAniso);
} else {
tmp_3 = sqrtf((1.0f / fmaxf(t_11, t_16))) * t_6;
}
tmp_1 = log2f(tmp_3);
} else {
float tmp_4;
if ((t_13 / fabsf(((t_0 * dX_46_u) * floorf(w)))) > floorf(maxAniso)) {
tmp_4 = sqrtf(fmaxf((t_3 * dX_46_u), t_12)) / floorf(maxAniso);
} else {
tmp_4 = t_14;
}
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) * dY_46_v) t_1 = floor(w) ^ Float32(2.0) t_2 = Float32(t_1 * dY_46_u) t_3 = Float32(t_1 * dX_46_u) t_4 = Float32(floor(h) * dX_46_v) t_5 = Float32(floor(w) * dY_46_u) t_6 = abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h)))) t_7 = floor(h) ^ Float32(2.0) t_8 = Float32(Float32(t_7 * dX_46_v) * dX_46_v) t_9 = Float32(floor(w) * dX_46_u) t_10 = abs(Float32(Float32(t_4 * t_5) - Float32(t_9 * t_0))) t_11 = fma(t_3, dX_46_u, t_8) t_12 = Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)) t_13 = fmax(t_8, t_12) t_14 = Float32(t_10 / sqrt(t_13)) t_15 = Float32(Float32(t_7 * dY_46_v) * dY_46_v) t_16 = fma(t_2, dY_46_u, t_15) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-0.10000000149011612)) tmp_2 = Float32(0.0) if (Float32(fmax(t_8, Float32(t_2 * dY_46_u)) / t_10) > floor(maxAniso)) tmp_2 = Float32(sqrt(fmax(Float32(Float32(t_9 * t_9) + Float32(t_4 * t_4)), t_12)) / floor(maxAniso)); else tmp_2 = t_14; end tmp_1 = log2(tmp_2); elseif (dY_46_u <= Float32(400.0)) tmp_3 = Float32(0.0) if (Float32(fmax(t_11, t_15) / t_6) > floor(maxAniso)) tmp_3 = Float32(sqrt(fmax(fma(floor(h), Float32(floor(h) * Float32(dX_46_v * dX_46_v)), (Float32(dX_46_u * floor(w)) ^ Float32(2.0))), t_16)) / floor(maxAniso)); else tmp_3 = Float32(sqrt(Float32(Float32(1.0) / fmax(t_11, t_16))) * t_6); end tmp_1 = log2(tmp_3); else tmp_4 = Float32(0.0) if (Float32(t_13 / abs(Float32(Float32(t_0 * dX_46_u) * floor(w)))) > floor(maxAniso)) tmp_4 = Float32(sqrt(fmax(Float32(t_3 * dX_46_u), t_12)) / floor(maxAniso)); else tmp_4 = t_14; end tmp_1 = log2(tmp_4); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := t\_1 \cdot dY.u\\
t_3 := t\_1 \cdot dX.u\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_6 := \left|\mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_7 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_8 := \left(t\_7 \cdot dX.v\right) \cdot dX.v\\
t_9 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_10 := \left|t\_4 \cdot t\_5 - t\_9 \cdot t\_0\right|\\
t_11 := \mathsf{fma}\left(t\_3, dX.u, t\_8\right)\\
t_12 := t\_5 \cdot t\_5 + t\_0 \cdot t\_0\\
t_13 := \mathsf{max}\left(t\_8, t\_12\right)\\
t_14 := \frac{t\_10}{\sqrt{t\_13}}\\
t_15 := \left(t\_7 \cdot dY.v\right) \cdot dY.v\\
t_16 := \mathsf{fma}\left(t\_2, dY.u, t\_15\right)\\
\mathbf{if}\;dY.u \leq -0.10000000149011612:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_8, t\_2 \cdot dY.u\right)}{t\_10} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_9 \cdot t\_9 + t\_4 \cdot t\_4, t\_12\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_14\\
\end{array}\\
\mathbf{elif}\;dY.u \leq 400:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_11, t\_15\right)}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloor h\right\rfloor , \left\lfloor h\right\rfloor \cdot \left(dX.v \cdot dX.v\right), {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right), t\_16\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_11, t\_16\right)}} \cdot t\_6\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_13}{\left|\left(t\_0 \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_3 \cdot dX.u, t\_12\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_14\\
\end{array}\\
\end{array}
\end{array}
if dY.u < -0.100000001Initial program 74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3274.7
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3273.8
Applied rewrites73.8%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3272.5
Applied rewrites72.5%
if -0.100000001 < dY.u < 400Initial program 81.7%
Taylor expanded in w around 0
Applied rewrites81.7%
Taylor expanded in dY.u around 0
Applied rewrites80.7%
Applied rewrites80.7%
if 400 < dY.u Initial program 61.5%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3261.6
Applied rewrites61.6%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3262.5
Applied rewrites62.5%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3260.9
Applied rewrites60.9%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3261.4
Applied rewrites61.4%
Final simplification73.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (* (floor h) dY.v))
(t_3 (+ (* t_0 t_0) (* t_2 t_2)))
(t_4 (fmax (* (* (pow (floor h) 2.0) dX.v) dX.v) t_3))
(t_5 (* (floor h) dX.v)))
(log2
(if (>
(/ t_4 (fabs (* (* (- dY.u) dX.v) (* (floor h) (floor w)))))
(floor maxAniso))
(/ (sqrt (fmax (+ (* t_1 t_1) (* t_5 t_5)) t_3)) (floor maxAniso))
(/ (fabs (- (* t_5 t_0) (* t_1 t_2))) (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 = floorf(w) * dY_46_u;
float t_1 = floorf(w) * dX_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = (t_0 * t_0) + (t_2 * t_2);
float t_4 = fmaxf(((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v), t_3);
float t_5 = floorf(h) * dX_46_v;
float tmp;
if ((t_4 / fabsf(((-dY_46_u * dX_46_v) * (floorf(h) * floorf(w))))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((t_1 * t_1) + (t_5 * t_5)), t_3)) / floorf(maxAniso);
} else {
tmp = fabsf(((t_5 * t_0) - (t_1 * t_2))) / sqrtf(t_4);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)) t_4 = fmax(Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v), t_3) t_5 = Float32(floor(h) * dX_46_v) tmp = Float32(0.0) if (Float32(t_4 / abs(Float32(Float32(Float32(-dY_46_u) * dX_46_v) * Float32(floor(h) * floor(w))))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5)), t_3)) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(t_5 * t_0) - Float32(t_1 * t_2))) / sqrt(t_4)); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = floor(w) * dX_46_u; t_2 = floor(h) * dY_46_v; t_3 = (t_0 * t_0) + (t_2 * t_2); t_4 = max((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v), t_3); t_5 = floor(h) * dX_46_v; tmp = single(0.0); if ((t_4 / abs(((-dY_46_u * dX_46_v) * (floor(h) * floor(w))))) > floor(maxAniso)) tmp = sqrt(max(((t_1 * t_1) + (t_5 * t_5)), t_3)) / floor(maxAniso); else tmp = abs(((t_5 * t_0) - (t_1 * t_2))) / sqrt(t_4); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := t\_0 \cdot t\_0 + t\_2 \cdot t\_2\\
t_4 := \mathsf{max}\left(\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v, t\_3\right)\\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{\left|\left(\left(-dY.u\right) \cdot dX.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_1 \cdot t\_1 + t\_5 \cdot t\_5, t\_3\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_5 \cdot t\_0 - t\_1 \cdot t\_2\right|}{\sqrt{t\_4}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3274.7
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3268.9
Applied rewrites68.9%
Taylor expanded in dX.u around 0
mul-1-negN/A
associate-*r*N/A
distribute-lft-neg-inN/A
lower-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3273.9
Applied rewrites73.9%
Final simplification73.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* (floor w) dX.u))
(t_2
(fabs (* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h)))))
(t_3 (* (floor h) dX.v))
(t_4 (pow (floor h) 2.0))
(t_5 (* (* t_4 dY.v) dY.v))
(t_6 (* (* t_4 dX.v) dX.v))
(t_7 (fma (* t_0 dX.u) dX.u t_6))
(t_8 (* (floor w) dY.u))
(t_9 (fma (* t_0 dY.u) dY.u t_5))
(t_10 (* (floor h) dY.v))
(t_11 (+ (* t_8 t_8) (* t_10 t_10)))
(t_12 (fmax t_6 t_11)))
(if (<= dY.u 400.0)
(log2
(if (> (/ (fmax t_7 t_5) t_2) (floor maxAniso))
(/ (sqrt (fmax t_7 t_9)) (floor maxAniso))
(* (sqrt (/ 1.0 (fmax t_6 t_9))) t_2)))
(log2
(if (> (/ t_12 (fabs (* (* t_10 dX.u) (floor w)))) (floor maxAniso))
(/ (sqrt (fmax (+ (* t_1 t_1) (* t_3 t_3)) t_11)) (floor maxAniso))
(/
(fabs (* (* (- dY.u) dX.v) (* (floor h) (floor w))))
(sqrt t_12)))))))
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), 2.0f);
float t_1 = floorf(w) * dX_46_u;
float t_2 = fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
float t_3 = floorf(h) * dX_46_v;
float t_4 = powf(floorf(h), 2.0f);
float t_5 = (t_4 * dY_46_v) * dY_46_v;
float t_6 = (t_4 * dX_46_v) * dX_46_v;
float t_7 = fmaf((t_0 * dX_46_u), dX_46_u, t_6);
float t_8 = floorf(w) * dY_46_u;
float t_9 = fmaf((t_0 * dY_46_u), dY_46_u, t_5);
float t_10 = floorf(h) * dY_46_v;
float t_11 = (t_8 * t_8) + (t_10 * t_10);
float t_12 = fmaxf(t_6, t_11);
float tmp_1;
if (dY_46_u <= 400.0f) {
float tmp_2;
if ((fmaxf(t_7, t_5) / t_2) > floorf(maxAniso)) {
tmp_2 = sqrtf(fmaxf(t_7, t_9)) / floorf(maxAniso);
} else {
tmp_2 = sqrtf((1.0f / fmaxf(t_6, t_9))) * t_2;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((t_12 / fabsf(((t_10 * dX_46_u) * floorf(w)))) > floorf(maxAniso)) {
tmp_3 = sqrtf(fmaxf(((t_1 * t_1) + (t_3 * t_3)), t_11)) / floorf(maxAniso);
} else {
tmp_3 = fabsf(((-dY_46_u * dX_46_v) * (floorf(h) * floorf(w)))) / sqrtf(t_12);
}
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 = floor(w) ^ Float32(2.0) t_1 = Float32(floor(w) * dX_46_u) t_2 = abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h)))) t_3 = Float32(floor(h) * dX_46_v) t_4 = floor(h) ^ Float32(2.0) t_5 = Float32(Float32(t_4 * dY_46_v) * dY_46_v) t_6 = Float32(Float32(t_4 * dX_46_v) * dX_46_v) t_7 = fma(Float32(t_0 * dX_46_u), dX_46_u, t_6) t_8 = Float32(floor(w) * dY_46_u) t_9 = fma(Float32(t_0 * dY_46_u), dY_46_u, t_5) t_10 = Float32(floor(h) * dY_46_v) t_11 = Float32(Float32(t_8 * t_8) + Float32(t_10 * t_10)) t_12 = fmax(t_6, t_11) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(400.0)) tmp_2 = Float32(0.0) if (Float32(fmax(t_7, t_5) / t_2) > floor(maxAniso)) tmp_2 = Float32(sqrt(fmax(t_7, t_9)) / floor(maxAniso)); else tmp_2 = Float32(sqrt(Float32(Float32(1.0) / fmax(t_6, t_9))) * t_2); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(t_12 / abs(Float32(Float32(t_10 * dX_46_u) * floor(w)))) > floor(maxAniso)) tmp_3 = Float32(sqrt(fmax(Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)), t_11)) / floor(maxAniso)); else tmp_3 = Float32(abs(Float32(Float32(Float32(-dY_46_u) * dX_46_v) * Float32(floor(h) * floor(w)))) / sqrt(t_12)); end tmp_1 = log2(tmp_3); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := \left|\mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := \left(t\_4 \cdot dY.v\right) \cdot dY.v\\
t_6 := \left(t\_4 \cdot dX.v\right) \cdot dX.v\\
t_7 := \mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, t\_6\right)\\
t_8 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_9 := \mathsf{fma}\left(t\_0 \cdot dY.u, dY.u, t\_5\right)\\
t_10 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_11 := t\_8 \cdot t\_8 + t\_10 \cdot t\_10\\
t_12 := \mathsf{max}\left(t\_6, t\_11\right)\\
\mathbf{if}\;dY.u \leq 400:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_7, t\_5\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_7, t\_9\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_6, t\_9\right)}} \cdot t\_2\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_12}{\left|\left(t\_10 \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_1 \cdot t\_1 + t\_3 \cdot t\_3, t\_11\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(-dY.u\right) \cdot dX.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|}{\sqrt{t\_12}}\\
\end{array}\\
\end{array}
\end{array}
if dY.u < 400Initial program 79.6%
Taylor expanded in w around 0
Applied rewrites79.6%
Taylor expanded in dY.u around 0
Applied rewrites74.0%
Taylor expanded in dX.u around 0
Applied rewrites73.7%
if 400 < dY.u Initial program 61.5%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3261.6
Applied rewrites61.6%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3262.5
Applied rewrites62.5%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3260.9
Applied rewrites60.9%
Taylor expanded in dX.u around 0
mul-1-negN/A
associate-*r*N/A
distribute-lft-neg-inN/A
lower-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3259.1
Applied rewrites59.1%
Final simplification69.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor h) dY.v))
(t_4 (+ (* t_0 t_0) (* t_3 t_3)))
(t_5 (fmax (* (* (pow (floor h) 2.0) dX.v) dX.v) t_4)))
(log2
(if (> (/ t_5 (fabs (* (* t_3 dX.u) (floor w)))) (floor maxAniso))
(/ (sqrt (fmax (+ (* t_1 t_1) (* t_2 t_2)) t_4)) (floor maxAniso))
(/
(fabs (* (fma dY.v dX.u (* (- dY.u) dX.v)) (* (floor h) (floor w))))
(sqrt 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(w) * dY_46_u;
float t_1 = floorf(w) * dX_46_u;
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(h) * dY_46_v;
float t_4 = (t_0 * t_0) + (t_3 * t_3);
float t_5 = fmaxf(((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v), t_4);
float tmp;
if ((t_5 / fabsf(((t_3 * dX_46_u) * floorf(w)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((t_1 * t_1) + (t_2 * t_2)), t_4)) / floorf(maxAniso);
} else {
tmp = fabsf((fmaf(dY_46_v, dX_46_u, (-dY_46_u * dX_46_v)) * (floorf(h) * floorf(w)))) / sqrtf(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(w) * dY_46_u) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) t_5 = fmax(Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v), t_4) tmp = Float32(0.0) if (Float32(t_5 / abs(Float32(Float32(t_3 * dX_46_u) * floor(w)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)), t_4)) / floor(maxAniso)); else tmp = Float32(abs(Float32(fma(dY_46_v, dX_46_u, Float32(Float32(-dY_46_u) * dX_46_v)) * Float32(floor(h) * floor(w)))) / sqrt(t_5)); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := t\_0 \cdot t\_0 + t\_3 \cdot t\_3\\
t_5 := \mathsf{max}\left(\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v, t\_4\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_5}{\left|\left(t\_3 \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_1 \cdot t\_1 + t\_2 \cdot t\_2, t\_4\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\mathsf{fma}\left(dY.v, dX.u, \left(-dY.u\right) \cdot dX.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|}{\sqrt{t\_5}}\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3274.7
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3268.9
Applied rewrites68.9%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3267.6
Applied rewrites67.6%
Taylor expanded in w around 0
associate-*r*N/A
associate-*r*N/A
distribute-rgt-out--N/A
*-commutativeN/A
lower-*.f32N/A
fp-cancel-sub-sign-invN/A
distribute-lft-neg-outN/A
*-commutativeN/A
lower-fma.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3267.6
Applied rewrites67.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (* (* t_0 dX.v) dX.v))
(t_2 (* (* t_0 dY.v) dY.v))
(t_3 (pow (floor w) 2.0))
(t_4 (fma (* t_3 dY.u) dY.u t_2))
(t_5 (fma (* t_3 dX.u) dX.u t_1))
(t_6
(fabs (* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h))))))
(log2
(if (> (/ (fmax t_5 t_2) t_6) (floor maxAniso))
(/ (sqrt (fmax t_5 t_4)) (floor maxAniso))
(* (sqrt (/ 1.0 (fmax t_1 t_4))) 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 = powf(floorf(h), 2.0f);
float t_1 = (t_0 * dX_46_v) * dX_46_v;
float t_2 = (t_0 * dY_46_v) * dY_46_v;
float t_3 = powf(floorf(w), 2.0f);
float t_4 = fmaf((t_3 * dY_46_u), dY_46_u, t_2);
float t_5 = fmaf((t_3 * dX_46_u), dX_46_u, t_1);
float t_6 = fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
float tmp;
if ((fmaxf(t_5, t_2) / t_6) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_5, t_4)) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / fmaxf(t_1, t_4))) * t_6;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(Float32(t_0 * dX_46_v) * dX_46_v) t_2 = Float32(Float32(t_0 * dY_46_v) * dY_46_v) t_3 = floor(w) ^ Float32(2.0) t_4 = fma(Float32(t_3 * dY_46_u), dY_46_u, t_2) t_5 = fma(Float32(t_3 * dX_46_u), dX_46_u, t_1) t_6 = abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h)))) tmp = Float32(0.0) if (Float32(fmax(t_5, t_2) / t_6) > floor(maxAniso)) tmp = Float32(sqrt(fmax(t_5, t_4)) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / fmax(t_1, t_4))) * t_6); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := \left(t\_0 \cdot dX.v\right) \cdot dX.v\\
t_2 := \left(t\_0 \cdot dY.v\right) \cdot dY.v\\
t_3 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \mathsf{fma}\left(t\_3 \cdot dY.u, dY.u, t\_2\right)\\
t_5 := \mathsf{fma}\left(t\_3 \cdot dX.u, dX.u, t\_1\right)\\
t_6 := \left|\mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
\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(t\_5, t\_4\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_1, t\_4\right)}} \cdot t\_6\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in w around 0
Applied rewrites75.0%
Taylor expanded in dY.u around 0
Applied rewrites66.5%
Taylor expanded in dX.u around 0
Applied rewrites66.3%
Final simplification66.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* (floor w) (floor h)))
(t_2 (* (- dY.v) dX.u))
(t_3 (pow (floor h) 2.0))
(t_4
(fmax
(fma (* t_0 dX.u) dX.u (* (* t_3 dX.v) dX.v))
(fma (* t_0 dY.u) dY.u (* (* t_3 dY.v) dY.v)))))
(log2
(if (>
(/
(/
(fmax (pow (* dX.v (floor h)) 2.0) (pow (* dY.v (floor h)) 2.0))
(fabs (fma dX.v dY.u t_2)))
t_1)
(floor maxAniso))
(/ (sqrt t_4) (floor maxAniso))
(* (sqrt (/ 1.0 t_4)) (fabs (* (fma dY.u dX.v t_2) t_1)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(w), 2.0f);
float t_1 = floorf(w) * floorf(h);
float t_2 = -dY_46_v * dX_46_u;
float t_3 = powf(floorf(h), 2.0f);
float t_4 = fmaxf(fmaf((t_0 * dX_46_u), dX_46_u, ((t_3 * dX_46_v) * dX_46_v)), fmaf((t_0 * dY_46_u), dY_46_u, ((t_3 * dY_46_v) * dY_46_v)));
float tmp;
if (((fmaxf(powf((dX_46_v * floorf(h)), 2.0f), powf((dY_46_v * floorf(h)), 2.0f)) / fabsf(fmaf(dX_46_v, dY_46_u, t_2))) / t_1) > floorf(maxAniso)) {
tmp = sqrtf(t_4) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_4)) * fabsf((fmaf(dY_46_u, dX_46_v, 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 = floor(w) ^ Float32(2.0) t_1 = Float32(floor(w) * floor(h)) t_2 = Float32(Float32(-dY_46_v) * dX_46_u) t_3 = floor(h) ^ Float32(2.0) t_4 = fmax(fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_3 * dX_46_v) * dX_46_v)), fma(Float32(t_0 * dY_46_u), dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v))) tmp = Float32(0.0) if (Float32(Float32(fmax((Float32(dX_46_v * floor(h)) ^ Float32(2.0)), (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) / abs(fma(dX_46_v, dY_46_u, t_2))) / t_1) > floor(maxAniso)) tmp = Float32(sqrt(t_4) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_4)) * abs(Float32(fma(dY_46_u, dX_46_v, t_2) * t_1))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := \left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_2 := \left(-dY.v\right) \cdot dX.u\\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := \mathsf{max}\left(\mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, \left(t\_3 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_0 \cdot dY.u, dY.u, \left(t\_3 \cdot dY.v\right) \cdot dY.v\right)\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}{\left|\mathsf{fma}\left(dX.v, dY.u, t\_2\right)\right|}}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_4}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_4}} \cdot \left|\mathsf{fma}\left(dY.u, dX.v, t\_2\right) \cdot t\_1\right|\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in w around 0
Applied rewrites75.0%
Taylor expanded in dY.u around 0
Applied rewrites66.5%
Taylor expanded in dX.u around 0
Applied rewrites50.4%
Applied rewrites50.5%
Final simplification50.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs (* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h)))))
(t_1 (pow (floor w) 2.0))
(t_2 (pow (floor h) 2.0))
(t_3 (* (* t_2 dX.v) dX.v))
(t_4
(fmax
(fma (* t_1 dX.u) dX.u t_3)
(fma (* t_1 dY.u) dY.u (* (* t_2 dY.v) dY.v)))))
(log2
(if (> (/ (fmax t_3 (pow (* dY.v (floor h)) 2.0)) t_0) (floor maxAniso))
(/ (sqrt t_4) (floor maxAniso))
(* (sqrt (/ 1.0 t_4)) t_0)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
float t_1 = powf(floorf(w), 2.0f);
float t_2 = powf(floorf(h), 2.0f);
float t_3 = (t_2 * dX_46_v) * dX_46_v;
float t_4 = fmaxf(fmaf((t_1 * dX_46_u), dX_46_u, t_3), fmaf((t_1 * dY_46_u), dY_46_u, ((t_2 * dY_46_v) * dY_46_v)));
float tmp;
if ((fmaxf(t_3, powf((dY_46_v * floorf(h)), 2.0f)) / t_0) > floorf(maxAniso)) {
tmp = sqrtf(t_4) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_4)) * t_0;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h)))) t_1 = floor(w) ^ Float32(2.0) t_2 = floor(h) ^ Float32(2.0) t_3 = Float32(Float32(t_2 * dX_46_v) * dX_46_v) t_4 = fmax(fma(Float32(t_1 * dX_46_u), dX_46_u, t_3), fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_2 * dY_46_v) * dY_46_v))) tmp = Float32(0.0) if (Float32(fmax(t_3, (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) / t_0) > floor(maxAniso)) tmp = Float32(sqrt(t_4) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_4)) * t_0); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \left(t\_2 \cdot dX.v\right) \cdot dX.v\\
t_4 := \mathsf{max}\left(\mathsf{fma}\left(t\_1 \cdot dX.u, dX.u, t\_3\right), \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, \left(t\_2 \cdot dY.v\right) \cdot dY.v\right)\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_3, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_4}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_4}} \cdot t\_0\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in w around 0
Applied rewrites75.0%
Taylor expanded in dY.u around 0
Applied rewrites66.5%
Taylor expanded in dX.u around 0
Applied rewrites50.4%
Applied rewrites50.4%
Final simplification50.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (pow (floor h) 2.0))
(t_2
(fmax
(fma (* t_0 dX.u) dX.u (* (* t_1 dX.v) dX.v))
(fma (* t_0 dY.u) dY.u (* (* t_1 dY.v) dY.v))))
(t_3 (* (- dY.v) dX.u)))
(log2
(if (>
(/
(fmax (pow (* dX.v (floor h)) 2.0) (pow (* dY.v (floor h)) 2.0))
(* (* (fma dX.v dY.u t_3) (floor w)) (floor h)))
(floor maxAniso))
(/ (sqrt t_2) (floor maxAniso))
(*
(sqrt (/ 1.0 t_2))
(fabs (* (fma dY.u dX.v t_3) (* (floor w) (floor h)))))))))
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), 2.0f);
float t_1 = powf(floorf(h), 2.0f);
float t_2 = fmaxf(fmaf((t_0 * dX_46_u), dX_46_u, ((t_1 * dX_46_v) * dX_46_v)), fmaf((t_0 * dY_46_u), dY_46_u, ((t_1 * dY_46_v) * dY_46_v)));
float t_3 = -dY_46_v * dX_46_u;
float tmp;
if ((fmaxf(powf((dX_46_v * floorf(h)), 2.0f), powf((dY_46_v * floorf(h)), 2.0f)) / ((fmaf(dX_46_v, dY_46_u, t_3) * floorf(w)) * floorf(h))) > floorf(maxAniso)) {
tmp = sqrtf(t_2) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_2)) * fabsf((fmaf(dY_46_u, dX_46_v, t_3) * (floorf(w) * floorf(h))));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = floor(h) ^ Float32(2.0) t_2 = fmax(fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_1 * dX_46_v) * dX_46_v)), fma(Float32(t_0 * dY_46_u), dY_46_u, Float32(Float32(t_1 * dY_46_v) * dY_46_v))) t_3 = Float32(Float32(-dY_46_v) * dX_46_u) tmp = Float32(0.0) if (Float32(fmax((Float32(dX_46_v * floor(h)) ^ Float32(2.0)), (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) / Float32(Float32(fma(dX_46_v, dY_46_u, t_3) * floor(w)) * floor(h))) > floor(maxAniso)) tmp = Float32(sqrt(t_2) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_2)) * abs(Float32(fma(dY_46_u, dX_46_v, t_3) * Float32(floor(w) * floor(h))))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := \mathsf{max}\left(\mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, \left(t\_1 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_0 \cdot dY.u, dY.u, \left(t\_1 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_3 := \left(-dY.v\right) \cdot dX.u\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}{\left(\mathsf{fma}\left(dX.v, dY.u, t\_3\right) \cdot \left\lfloor w\right\rfloor \right) \cdot \left\lfloor h\right\rfloor } > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_2}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_2}} \cdot \left|\mathsf{fma}\left(dY.u, dX.v, t\_3\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
\end{array}
\end{array}
\end{array}
Initial program 74.9%
Taylor expanded in w around 0
Applied rewrites75.0%
Taylor expanded in dY.u around 0
Applied rewrites66.5%
Taylor expanded in dX.u around 0
Applied rewrites50.4%
Applied rewrites32.5%
Final simplification32.5%
herbie shell --seed 2024352
(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)))))))))