
(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 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* t_0 dY.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 (* (floor w) dX.u))
(t_5 (* t_1 dY.u))
(t_6 (pow (floor h) 2.0))
(t_7 (fma (* t_0 dX.u) dX.u (* (* t_6 dX.v) dX.v)))
(t_8 (* (floor w) dY.u))
(t_9 (fmax t_7 (fma t_1 dY.u (* (* t_6 dY.v) dY.v))))
(t_10 (+ (* t_4 t_4) (* t_3 t_3)))
(t_11 (* (floor h) dY.v))
(t_12 (fabs (- (* t_3 t_8) (* t_4 t_11))))
(t_13 (* t_11 t_11))
(t_14 (fmax t_10 (+ (* t_8 t_8) t_13)))
(t_15 (sqrt t_14))
(t_16 (> (/ t_14 t_12) (floor maxAniso))))
(if (<= (log2 (if t_16 (/ t_15 (floor maxAniso)) (/ t_12 t_15))) 100.0)
(log2
(if t_16
(/ (sqrt (fmax t_10 (+ t_5 t_13))) (floor maxAniso))
(/ t_12 (sqrt (fmax t_10 t_5)))))
(log2
(if (> (/ t_9 t_2) (floor maxAniso))
(/ (sqrt t_9) (floor maxAniso))
(*
(sqrt
(/
1.0
(fmax t_7 (fma t_0 (* dY.u dY.u) (pow (* dY.v (floor h)) 2.0)))))
t_2))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(w), 2.0f);
float t_1 = t_0 * dY_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 = floorf(w) * dX_46_u;
float t_5 = t_1 * dY_46_u;
float t_6 = powf(floorf(h), 2.0f);
float t_7 = fmaf((t_0 * dX_46_u), dX_46_u, ((t_6 * dX_46_v) * dX_46_v));
float t_8 = floorf(w) * dY_46_u;
float t_9 = fmaxf(t_7, fmaf(t_1, dY_46_u, ((t_6 * dY_46_v) * dY_46_v)));
float t_10 = (t_4 * t_4) + (t_3 * t_3);
float t_11 = floorf(h) * dY_46_v;
float t_12 = fabsf(((t_3 * t_8) - (t_4 * t_11)));
float t_13 = t_11 * t_11;
float t_14 = fmaxf(t_10, ((t_8 * t_8) + t_13));
float t_15 = sqrtf(t_14);
int t_16 = (t_14 / t_12) > floorf(maxAniso);
float tmp;
if (t_16) {
tmp = t_15 / floorf(maxAniso);
} else {
tmp = t_12 / t_15;
}
float tmp_2;
if (log2f(tmp) <= 100.0f) {
float tmp_3;
if (t_16) {
tmp_3 = sqrtf(fmaxf(t_10, (t_5 + t_13))) / floorf(maxAniso);
} else {
tmp_3 = t_12 / sqrtf(fmaxf(t_10, t_5));
}
tmp_2 = log2f(tmp_3);
} else {
float tmp_4;
if ((t_9 / t_2) > floorf(maxAniso)) {
tmp_4 = sqrtf(t_9) / floorf(maxAniso);
} else {
tmp_4 = sqrtf((1.0f / fmaxf(t_7, fmaf(t_0, (dY_46_u * dY_46_u), powf((dY_46_v * floorf(h)), 2.0f))))) * t_2;
}
tmp_2 = log2f(tmp_4);
}
return tmp_2;
}
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(t_0 * dY_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 = Float32(floor(w) * dX_46_u) t_5 = Float32(t_1 * dY_46_u) t_6 = floor(h) ^ Float32(2.0) t_7 = fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_6 * dX_46_v) * dX_46_v)) t_8 = Float32(floor(w) * dY_46_u) t_9 = fmax(t_7, fma(t_1, dY_46_u, Float32(Float32(t_6 * dY_46_v) * dY_46_v))) t_10 = Float32(Float32(t_4 * t_4) + Float32(t_3 * t_3)) t_11 = Float32(floor(h) * dY_46_v) t_12 = abs(Float32(Float32(t_3 * t_8) - Float32(t_4 * t_11))) t_13 = Float32(t_11 * t_11) t_14 = fmax(t_10, Float32(Float32(t_8 * t_8) + t_13)) t_15 = sqrt(t_14) t_16 = Float32(t_14 / t_12) > floor(maxAniso) tmp = Float32(0.0) if (t_16) tmp = Float32(t_15 / floor(maxAniso)); else tmp = Float32(t_12 / t_15); end tmp_2 = Float32(0.0) if (log2(tmp) <= Float32(100.0)) tmp_3 = Float32(0.0) if (t_16) tmp_3 = Float32(sqrt(fmax(t_10, Float32(t_5 + t_13))) / floor(maxAniso)); else tmp_3 = Float32(t_12 / sqrt(fmax(t_10, t_5))); end tmp_2 = log2(tmp_3); else tmp_4 = Float32(0.0) if (Float32(t_9 / t_2) > floor(maxAniso)) tmp_4 = Float32(sqrt(t_9) / floor(maxAniso)); else tmp_4 = Float32(sqrt(Float32(Float32(1.0) / fmax(t_7, fma(t_0, Float32(dY_46_u * dY_46_u), (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))))) * t_2); end tmp_2 = log2(tmp_4); end return tmp_2 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot dY.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\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_1 \cdot dY.u\\
t_6 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_7 := \mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, \left(t\_6 \cdot dX.v\right) \cdot dX.v\right)\\
t_8 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_9 := \mathsf{max}\left(t\_7, \mathsf{fma}\left(t\_1, dY.u, \left(t\_6 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_10 := t\_4 \cdot t\_4 + t\_3 \cdot t\_3\\
t_11 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_12 := \left|t\_3 \cdot t\_8 - t\_4 \cdot t\_11\right|\\
t_13 := t\_11 \cdot t\_11\\
t_14 := \mathsf{max}\left(t\_10, t\_8 \cdot t\_8 + t\_13\right)\\
t_15 := \sqrt{t\_14}\\
t_16 := \frac{t\_14}{t\_12} > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_16:\\
\;\;\;\;\frac{t\_15}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_12}{t\_15}\\
\end{array} \leq 100:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_16:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_10, t\_5 + t\_13\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_12}{\sqrt{\mathsf{max}\left(t\_10, t\_5\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_9}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_9}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_7, \mathsf{fma}\left(t\_0, dY.u \cdot dY.u, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)\right)}} \cdot t\_2\\
\end{array}\\
\end{array}
\end{array}
if (log2.f32 (if (>.f32 (/.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u))))) (floor.f32 maxAniso)) (/.f32 (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v))))) (floor.f32 maxAniso)) (/.f32 (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u)))) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))))) < 100Initial program 99.9%
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.f3299.9
Applied rewrites99.9%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-*.f3299.9
Applied rewrites99.9%
if 100 < (log2.f32 (if (>.f32 (/.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u))))) (floor.f32 maxAniso)) (/.f32 (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v))))) (floor.f32 maxAniso)) (/.f32 (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u)))) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))))) Initial program 5.6%
Taylor expanded in w around 0
Applied rewrites18.0%
Applied rewrites15.0%
Final simplification78.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1
(fabs (* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h)))))
(t_2 (pow (floor h) 2.0))
(t_3 (* (floor w) dX.u))
(t_4 (* dX.u (floor w)))
(t_5 (* (floor h) dX.v))
(t_6 (pow (floor w) 2.0))
(t_7 (* t_6 dY.u))
(t_8 (pow (* dY.v (floor h)) 2.0))
(t_9 (* (floor w) dY.u))
(t_10 (fma (* t_6 dX.u) dX.u (* (* t_2 dX.v) dX.v)))
(t_11 (fmax t_10 (fma t_7 dY.u (* (* t_2 dY.v) dY.v))))
(t_12 (+ (* t_3 t_3) (* t_5 t_5)))
(t_13 (* (floor h) dY.v))
(t_14 (fmax t_12 (+ (* t_9 t_9) (* t_13 t_13))))
(t_15 (sqrt t_14))
(t_16 (fabs (- (* t_5 t_9) (* t_3 t_13))))
(t_17 (/ t_15 (floor maxAniso))))
(if (<=
(log2 (if (> (/ t_14 t_16) (floor maxAniso)) t_17 (/ t_16 t_15)))
100.0)
(log2
(if (>
(/
(fmax
(+ (pow t_0 2.0) (pow t_4 2.0))
(+ t_8 (pow (* dY.u (floor w)) 2.0)))
(fabs (- (* (* t_4 dY.v) (floor h)) (* (* t_0 dY.u) (floor w)))))
(floor maxAniso))
t_17
(/ t_16 (sqrt (fmax t_12 (* t_7 dY.u))))))
(log2
(if (> (/ t_11 t_1) (floor maxAniso))
(/ (sqrt t_11) (floor maxAniso))
(* (sqrt (/ 1.0 (fmax t_10 (fma t_6 (* dY.u dY.u) t_8)))) 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_v * floorf(h);
float t_1 = fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
float t_2 = powf(floorf(h), 2.0f);
float t_3 = floorf(w) * dX_46_u;
float t_4 = dX_46_u * floorf(w);
float t_5 = floorf(h) * dX_46_v;
float t_6 = powf(floorf(w), 2.0f);
float t_7 = t_6 * dY_46_u;
float t_8 = powf((dY_46_v * floorf(h)), 2.0f);
float t_9 = floorf(w) * dY_46_u;
float t_10 = fmaf((t_6 * dX_46_u), dX_46_u, ((t_2 * dX_46_v) * dX_46_v));
float t_11 = fmaxf(t_10, fmaf(t_7, dY_46_u, ((t_2 * dY_46_v) * dY_46_v)));
float t_12 = (t_3 * t_3) + (t_5 * t_5);
float t_13 = floorf(h) * dY_46_v;
float t_14 = fmaxf(t_12, ((t_9 * t_9) + (t_13 * t_13)));
float t_15 = sqrtf(t_14);
float t_16 = fabsf(((t_5 * t_9) - (t_3 * t_13)));
float t_17 = t_15 / floorf(maxAniso);
float tmp;
if ((t_14 / t_16) > floorf(maxAniso)) {
tmp = t_17;
} else {
tmp = t_16 / t_15;
}
float tmp_2;
if (log2f(tmp) <= 100.0f) {
float tmp_3;
if ((fmaxf((powf(t_0, 2.0f) + powf(t_4, 2.0f)), (t_8 + powf((dY_46_u * floorf(w)), 2.0f))) / fabsf((((t_4 * dY_46_v) * floorf(h)) - ((t_0 * dY_46_u) * floorf(w))))) > floorf(maxAniso)) {
tmp_3 = t_17;
} else {
tmp_3 = t_16 / sqrtf(fmaxf(t_12, (t_7 * dY_46_u)));
}
tmp_2 = log2f(tmp_3);
} else {
float tmp_4;
if ((t_11 / t_1) > floorf(maxAniso)) {
tmp_4 = sqrtf(t_11) / floorf(maxAniso);
} else {
tmp_4 = sqrtf((1.0f / fmaxf(t_10, fmaf(t_6, (dY_46_u * dY_46_u), t_8)))) * t_1;
}
tmp_2 = log2f(tmp_4);
}
return tmp_2;
}
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 = abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h)))) t_2 = floor(h) ^ Float32(2.0) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(dX_46_u * floor(w)) t_5 = Float32(floor(h) * dX_46_v) t_6 = floor(w) ^ Float32(2.0) t_7 = Float32(t_6 * dY_46_u) t_8 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_9 = Float32(floor(w) * dY_46_u) t_10 = fma(Float32(t_6 * dX_46_u), dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)) t_11 = fmax(t_10, fma(t_7, dY_46_u, Float32(Float32(t_2 * dY_46_v) * dY_46_v))) t_12 = Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) t_13 = Float32(floor(h) * dY_46_v) t_14 = fmax(t_12, Float32(Float32(t_9 * t_9) + Float32(t_13 * t_13))) t_15 = sqrt(t_14) t_16 = abs(Float32(Float32(t_5 * t_9) - Float32(t_3 * t_13))) t_17 = Float32(t_15 / floor(maxAniso)) tmp = Float32(0.0) if (Float32(t_14 / t_16) > floor(maxAniso)) tmp = t_17; else tmp = Float32(t_16 / t_15); end tmp_2 = Float32(0.0) if (log2(tmp) <= Float32(100.0)) tmp_3 = Float32(0.0) if (Float32(fmax(Float32((t_0 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))), Float32(t_8 + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))) / abs(Float32(Float32(Float32(t_4 * dY_46_v) * floor(h)) - Float32(Float32(t_0 * dY_46_u) * floor(w))))) > floor(maxAniso)) tmp_3 = t_17; else tmp_3 = Float32(t_16 / sqrt(fmax(t_12, Float32(t_7 * dY_46_u)))); end tmp_2 = log2(tmp_3); else tmp_4 = Float32(0.0) if (Float32(t_11 / t_1) > floor(maxAniso)) tmp_4 = Float32(sqrt(t_11) / floor(maxAniso)); else tmp_4 = Float32(sqrt(Float32(Float32(1.0) / fmax(t_10, fma(t_6, Float32(dY_46_u * dY_46_u), t_8)))) * t_1); end tmp_2 = log2(tmp_4); end return tmp_2 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \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_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_7 := t\_6 \cdot dY.u\\
t_8 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_9 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_10 := \mathsf{fma}\left(t\_6 \cdot dX.u, dX.u, \left(t\_2 \cdot dX.v\right) \cdot dX.v\right)\\
t_11 := \mathsf{max}\left(t\_10, \mathsf{fma}\left(t\_7, dY.u, \left(t\_2 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_12 := t\_3 \cdot t\_3 + t\_5 \cdot t\_5\\
t_13 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_14 := \mathsf{max}\left(t\_12, t\_9 \cdot t\_9 + t\_13 \cdot t\_13\right)\\
t_15 := \sqrt{t\_14}\\
t_16 := \left|t\_5 \cdot t\_9 - t\_3 \cdot t\_13\right|\\
t_17 := \frac{t\_15}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{if}\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_14}{t\_16} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_17\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_16}{t\_15}\\
\end{array} \leq 100:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({t\_0}^{2} + {t\_4}^{2}, t\_8 + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)}{\left|\left(t\_4 \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor - \left(t\_0 \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_17\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_16}{\sqrt{\mathsf{max}\left(t\_12, t\_7 \cdot dY.u\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_11}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_11}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_10, \mathsf{fma}\left(t\_6, dY.u \cdot dY.u, t\_8\right)\right)}} \cdot t\_1\\
\end{array}\\
\end{array}
\end{array}
if (log2.f32 (if (>.f32 (/.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u))))) (floor.f32 maxAniso)) (/.f32 (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v))))) (floor.f32 maxAniso)) (/.f32 (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u)))) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))))) < 100Initial program 99.9%
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.f3299.9
Applied rewrites99.9%
Applied rewrites99.9%
if 100 < (log2.f32 (if (>.f32 (/.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u))))) (floor.f32 maxAniso)) (/.f32 (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v))))) (floor.f32 maxAniso)) (/.f32 (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u)))) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))))) Initial program 5.6%
Taylor expanded in w around 0
Applied rewrites18.0%
Applied rewrites14.0%
Final simplification79.9%
(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 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor h) dX.v))
(t_4 (pow (floor h) 2.0))
(t_5 (pow (floor w) 2.0))
(t_6 (fma (* t_5 dX.u) dX.u (* (* t_4 dX.v) dX.v)))
(t_7 (* t_5 dY.u))
(t_8 (fmax t_6 (fma t_7 dY.u (* (* t_4 dY.v) dY.v))))
(t_9 (* t_7 dY.u))
(t_10 (+ (* t_2 t_2) (* t_3 t_3)))
(t_11 (* (floor h) dY.v))
(t_12 (fabs (- (* t_3 t_1) (* t_2 t_11))))
(t_13 (* t_11 t_11))
(t_14 (fmax t_10 (+ (* t_1 t_1) t_13)))
(t_15 (sqrt t_14)))
(if (<=
(log2
(if (> (/ t_14 t_12) (floor maxAniso))
(/ t_15 (floor maxAniso))
(/ t_12 t_15)))
100.0)
(log2
(if (> (/ t_14 (fabs (* (* dX.u t_11) (floor w)))) (floor maxAniso))
(/ (sqrt (fmax t_10 (+ t_9 t_13))) (floor maxAniso))
(/ t_12 (sqrt (fmax t_10 t_9)))))
(log2
(if (> (/ t_8 t_0) (floor maxAniso))
(/ (sqrt t_8) (floor maxAniso))
(*
(sqrt
(/
1.0
(fmax t_6 (fma t_5 (* dY.u dY.u) (pow (* dY.v (floor h)) 2.0)))))
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 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(h) * dX_46_v;
float t_4 = powf(floorf(h), 2.0f);
float t_5 = powf(floorf(w), 2.0f);
float t_6 = fmaf((t_5 * dX_46_u), dX_46_u, ((t_4 * dX_46_v) * dX_46_v));
float t_7 = t_5 * dY_46_u;
float t_8 = fmaxf(t_6, fmaf(t_7, dY_46_u, ((t_4 * dY_46_v) * dY_46_v)));
float t_9 = t_7 * dY_46_u;
float t_10 = (t_2 * t_2) + (t_3 * t_3);
float t_11 = floorf(h) * dY_46_v;
float t_12 = fabsf(((t_3 * t_1) - (t_2 * t_11)));
float t_13 = t_11 * t_11;
float t_14 = fmaxf(t_10, ((t_1 * t_1) + t_13));
float t_15 = sqrtf(t_14);
float tmp;
if ((t_14 / t_12) > floorf(maxAniso)) {
tmp = t_15 / floorf(maxAniso);
} else {
tmp = t_12 / t_15;
}
float tmp_2;
if (log2f(tmp) <= 100.0f) {
float tmp_3;
if ((t_14 / fabsf(((dX_46_u * t_11) * floorf(w)))) > floorf(maxAniso)) {
tmp_3 = sqrtf(fmaxf(t_10, (t_9 + t_13))) / floorf(maxAniso);
} else {
tmp_3 = t_12 / sqrtf(fmaxf(t_10, t_9));
}
tmp_2 = log2f(tmp_3);
} else {
float tmp_4;
if ((t_8 / t_0) > floorf(maxAniso)) {
tmp_4 = sqrtf(t_8) / floorf(maxAniso);
} else {
tmp_4 = sqrtf((1.0f / fmaxf(t_6, fmaf(t_5, (dY_46_u * dY_46_u), powf((dY_46_v * floorf(h)), 2.0f))))) * t_0;
}
tmp_2 = log2f(tmp_4);
}
return tmp_2;
}
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 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(h) * dX_46_v) t_4 = floor(h) ^ Float32(2.0) t_5 = floor(w) ^ Float32(2.0) t_6 = fma(Float32(t_5 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v)) t_7 = Float32(t_5 * dY_46_u) t_8 = fmax(t_6, fma(t_7, dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v))) t_9 = Float32(t_7 * dY_46_u) t_10 = Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) t_11 = Float32(floor(h) * dY_46_v) t_12 = abs(Float32(Float32(t_3 * t_1) - Float32(t_2 * t_11))) t_13 = Float32(t_11 * t_11) t_14 = fmax(t_10, Float32(Float32(t_1 * t_1) + t_13)) t_15 = sqrt(t_14) tmp = Float32(0.0) if (Float32(t_14 / t_12) > floor(maxAniso)) tmp = Float32(t_15 / floor(maxAniso)); else tmp = Float32(t_12 / t_15); end tmp_2 = Float32(0.0) if (log2(tmp) <= Float32(100.0)) tmp_3 = Float32(0.0) if (Float32(t_14 / abs(Float32(Float32(dX_46_u * t_11) * floor(w)))) > floor(maxAniso)) tmp_3 = Float32(sqrt(fmax(t_10, Float32(t_9 + t_13))) / floor(maxAniso)); else tmp_3 = Float32(t_12 / sqrt(fmax(t_10, t_9))); end tmp_2 = log2(tmp_3); else tmp_4 = Float32(0.0) if (Float32(t_8 / t_0) > floor(maxAniso)) tmp_4 = Float32(sqrt(t_8) / floor(maxAniso)); else tmp_4 = Float32(sqrt(Float32(Float32(1.0) / fmax(t_6, fma(t_5, Float32(dY_46_u * dY_46_u), (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))))) * t_0); end tmp_2 = log2(tmp_4); end return tmp_2 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\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := \mathsf{fma}\left(t\_5 \cdot dX.u, dX.u, \left(t\_4 \cdot dX.v\right) \cdot dX.v\right)\\
t_7 := t\_5 \cdot dY.u\\
t_8 := \mathsf{max}\left(t\_6, \mathsf{fma}\left(t\_7, dY.u, \left(t\_4 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_9 := t\_7 \cdot dY.u\\
t_10 := t\_2 \cdot t\_2 + t\_3 \cdot t\_3\\
t_11 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_12 := \left|t\_3 \cdot t\_1 - t\_2 \cdot t\_11\right|\\
t_13 := t\_11 \cdot t\_11\\
t_14 := \mathsf{max}\left(t\_10, t\_1 \cdot t\_1 + t\_13\right)\\
t_15 := \sqrt{t\_14}\\
\mathbf{if}\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_14}{t\_12} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_15}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_12}{t\_15}\\
\end{array} \leq 100:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_14}{\left|\left(dX.u \cdot t\_11\right) \cdot \left\lfloor w\right\rfloor \right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_10, t\_9 + t\_13\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_12}{\sqrt{\mathsf{max}\left(t\_10, t\_9\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_8}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_8}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_6, \mathsf{fma}\left(t\_5, dY.u \cdot dY.u, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)\right)}} \cdot t\_0\\
\end{array}\\
\end{array}
\end{array}
if (log2.f32 (if (>.f32 (/.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u))))) (floor.f32 maxAniso)) (/.f32 (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v))))) (floor.f32 maxAniso)) (/.f32 (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u)))) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))))) < 100Initial program 99.9%
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.f3299.9
Applied rewrites99.9%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-*.f3299.9
Applied rewrites99.9%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3298.7
Applied rewrites98.7%
if 100 < (log2.f32 (if (>.f32 (/.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u))))) (floor.f32 maxAniso)) (/.f32 (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v))))) (floor.f32 maxAniso)) (/.f32 (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u)))) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))))) Initial program 5.6%
Taylor expanded in w around 0
Applied rewrites18.7%
Applied rewrites14.4%
Final simplification77.9%
(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 h) (floor w)))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (* dX.v (floor h)))
(t_5 (* (floor h) dX.v))
(t_6 (pow (floor h) 2.0))
(t_7 (pow (* dX.u (floor w)) 2.0))
(t_8 (* t_0 dY.u))
(t_9 (fma t_8 dY.u (* (* t_6 dY.v) dY.v)))
(t_10 (* t_8 dY.u))
(t_11 (+ (* t_3 t_3) (* t_5 t_5)))
(t_12 (* (floor h) dY.v))
(t_13 (fabs (- (* t_5 t_2) (* t_3 t_12))))
(t_14 (* t_12 t_12))
(t_15 (fmax t_11 (+ (* t_2 t_2) t_14)))
(t_16 (sqrt t_15))
(t_17 (fmax (fma (* t_0 dX.u) dX.u (* (* t_6 dX.v) dX.v)) t_9)))
(if (<=
(log2
(if (> (/ t_15 t_13) (floor maxAniso))
(/ t_16 (floor maxAniso))
(/ t_13 t_16)))
12.0)
(log2
(if (>
(/
t_17
(fabs (* (* (- (* dY.v dX.u) (* dY.u dX.v)) (floor w)) (floor h))))
(floor maxAniso))
(/ (sqrt (fmax t_11 (+ t_10 t_14))) (floor maxAniso))
(/ (fabs (* (* (- dX.v) dY.u) t_1)) (sqrt (fmax t_11 t_10)))))
(log2
(if (>
(/
(fmax
(+ (pow t_4 2.0) t_7)
(+ (pow (* dY.v (floor h)) 2.0) (pow (* dY.u (floor w)) 2.0)))
(fabs (* t_1 (* dY.u dX.v))))
(floor maxAniso))
(/
(sqrt (fmax (+ t_7 (* (floor h) (* t_4 dX.v))) t_9))
(floor maxAniso))
(*
(sqrt (/ 1.0 t_17))
(fabs
(* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (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 = floorf(h) * floorf(w);
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = dX_46_v * floorf(h);
float t_5 = floorf(h) * dX_46_v;
float t_6 = powf(floorf(h), 2.0f);
float t_7 = powf((dX_46_u * floorf(w)), 2.0f);
float t_8 = t_0 * dY_46_u;
float t_9 = fmaf(t_8, dY_46_u, ((t_6 * dY_46_v) * dY_46_v));
float t_10 = t_8 * dY_46_u;
float t_11 = (t_3 * t_3) + (t_5 * t_5);
float t_12 = floorf(h) * dY_46_v;
float t_13 = fabsf(((t_5 * t_2) - (t_3 * t_12)));
float t_14 = t_12 * t_12;
float t_15 = fmaxf(t_11, ((t_2 * t_2) + t_14));
float t_16 = sqrtf(t_15);
float t_17 = fmaxf(fmaf((t_0 * dX_46_u), dX_46_u, ((t_6 * dX_46_v) * dX_46_v)), t_9);
float tmp;
if ((t_15 / t_13) > floorf(maxAniso)) {
tmp = t_16 / floorf(maxAniso);
} else {
tmp = t_13 / t_16;
}
float tmp_2;
if (log2f(tmp) <= 12.0f) {
float tmp_3;
if ((t_17 / fabsf(((((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)) * floorf(w)) * floorf(h)))) > floorf(maxAniso)) {
tmp_3 = sqrtf(fmaxf(t_11, (t_10 + t_14))) / floorf(maxAniso);
} else {
tmp_3 = fabsf(((-dX_46_v * dY_46_u) * t_1)) / sqrtf(fmaxf(t_11, t_10));
}
tmp_2 = log2f(tmp_3);
} else {
float tmp_4;
if ((fmaxf((powf(t_4, 2.0f) + t_7), (powf((dY_46_v * floorf(h)), 2.0f) + powf((dY_46_u * floorf(w)), 2.0f))) / fabsf((t_1 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp_4 = sqrtf(fmaxf((t_7 + (floorf(h) * (t_4 * dX_46_v))), t_9)) / floorf(maxAniso);
} else {
tmp_4 = sqrtf((1.0f / t_17)) * fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
}
tmp_2 = log2f(tmp_4);
}
return tmp_2;
}
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(h) * floor(w)) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(dX_46_v * floor(h)) t_5 = Float32(floor(h) * dX_46_v) t_6 = floor(h) ^ Float32(2.0) t_7 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_8 = Float32(t_0 * dY_46_u) t_9 = fma(t_8, dY_46_u, Float32(Float32(t_6 * dY_46_v) * dY_46_v)) t_10 = Float32(t_8 * dY_46_u) t_11 = Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) t_12 = Float32(floor(h) * dY_46_v) t_13 = abs(Float32(Float32(t_5 * t_2) - Float32(t_3 * t_12))) t_14 = Float32(t_12 * t_12) t_15 = fmax(t_11, Float32(Float32(t_2 * t_2) + t_14)) t_16 = sqrt(t_15) t_17 = fmax(fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_6 * dX_46_v) * dX_46_v)), t_9) tmp = Float32(0.0) if (Float32(t_15 / t_13) > floor(maxAniso)) tmp = Float32(t_16 / floor(maxAniso)); else tmp = Float32(t_13 / t_16); end tmp_2 = Float32(0.0) if (log2(tmp) <= Float32(12.0)) tmp_3 = Float32(0.0) if (Float32(t_17 / 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_3 = Float32(sqrt(fmax(t_11, Float32(t_10 + t_14))) / floor(maxAniso)); else tmp_3 = Float32(abs(Float32(Float32(Float32(-dX_46_v) * dY_46_u) * t_1)) / sqrt(fmax(t_11, t_10))); end tmp_2 = log2(tmp_3); else tmp_4 = Float32(0.0) if (Float32(fmax(Float32((t_4 ^ Float32(2.0)) + t_7), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))) / abs(Float32(t_1 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp_4 = Float32(sqrt(fmax(Float32(t_7 + Float32(floor(h) * Float32(t_4 * dX_46_v))), t_9)) / floor(maxAniso)); else tmp_4 = Float32(sqrt(Float32(Float32(1.0) / t_17)) * abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h))))); end tmp_2 = log2(tmp_4); end return tmp_2 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_7 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_8 := t\_0 \cdot dY.u\\
t_9 := \mathsf{fma}\left(t\_8, dY.u, \left(t\_6 \cdot dY.v\right) \cdot dY.v\right)\\
t_10 := t\_8 \cdot dY.u\\
t_11 := t\_3 \cdot t\_3 + t\_5 \cdot t\_5\\
t_12 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_13 := \left|t\_5 \cdot t\_2 - t\_3 \cdot t\_12\right|\\
t_14 := t\_12 \cdot t\_12\\
t_15 := \mathsf{max}\left(t\_11, t\_2 \cdot t\_2 + t\_14\right)\\
t_16 := \sqrt{t\_15}\\
t_17 := \mathsf{max}\left(\mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, \left(t\_6 \cdot dX.v\right) \cdot dX.v\right), t\_9\right)\\
\mathbf{if}\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_15}{t\_13} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_16}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_13}{t\_16}\\
\end{array} \leq 12:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_17}{\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\_11, t\_10 + t\_14\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(-dX.v\right) \cdot dY.u\right) \cdot t\_1\right|}{\sqrt{\mathsf{max}\left(t\_11, t\_10\right)}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({t\_4}^{2} + t\_7, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)}{\left|t\_1 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_7 + \left\lfloor h\right\rfloor \cdot \left(t\_4 \cdot dX.v\right), t\_9\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_17}} \cdot \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|\\
\end{array}\\
\end{array}
\end{array}
if (log2.f32 (if (>.f32 (/.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u))))) (floor.f32 maxAniso)) (/.f32 (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v))))) (floor.f32 maxAniso)) (/.f32 (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u)))) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))))) < 12Initial program 99.6%
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.f3299.6
Applied rewrites99.6%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-*.f3299.7
Applied rewrites99.7%
Taylor expanded in w around 0
Applied rewrites74.3%
Taylor expanded in dX.u around 0
mul-1-negN/A
associate-*r*N/A
distribute-lft-neg-inN/A
*-commutativeN/A
distribute-lft-neg-outN/A
mul-1-negN/A
lower-*.f32N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
lower-*.f32N/A
mul-1-negN/A
lower-neg.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3273.2
Applied rewrites73.2%
if 12 < (log2.f32 (if (>.f32 (/.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u))))) (floor.f32 maxAniso)) (/.f32 (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v))))) (floor.f32 maxAniso)) (/.f32 (fabs.f32 (-.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 h) dY.v)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 w) dY.u)))) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))))) Initial program 73.6%
Taylor expanded in w around 0
Applied rewrites18.3%
Applied rewrites14.3%
Taylor expanded in dX.u around 0
Applied rewrites13.9%
Applied rewrites46.0%
Final simplification47.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* dY.v (floor h)) 2.0))
(t_1 (pow (floor w) 2.0))
(t_2 (* dX.v (floor h)))
(t_3 (pow (floor h) 2.0))
(t_4 (fma (* t_1 dY.u) dY.u (* (* t_3 dY.v) dY.v)))
(t_5 (pow (* dX.u (floor w)) 2.0))
(t_6
(>
(/
(fmax (+ (pow t_2 2.0) t_5) (+ t_0 (pow (* dY.u (floor w)) 2.0)))
(fabs (* (* (floor h) (floor w)) (* dY.u dX.v))))
(floor maxAniso)))
(t_7 (fma (* t_1 dX.u) dX.u (* (* t_3 dX.v) dX.v)))
(t_8
(*
(sqrt (/ 1.0 (fmax t_7 t_4)))
(fabs
(* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h)))))))
(if (or (<= dX.u -500.0) (not (<= dX.u 20.0)))
(log2
(if t_6
(/
(sqrt (fmax (+ t_5 (* (floor h) (* t_2 dX.v))) t_4))
(floor maxAniso))
t_8))
(log2
(if t_6
(/ (sqrt (fmax t_7 (+ t_0 (* t_1 (* dY.u dY.u))))) (floor maxAniso))
t_8)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((dY_46_v * floorf(h)), 2.0f);
float t_1 = powf(floorf(w), 2.0f);
float t_2 = dX_46_v * floorf(h);
float t_3 = powf(floorf(h), 2.0f);
float t_4 = fmaf((t_1 * dY_46_u), dY_46_u, ((t_3 * dY_46_v) * dY_46_v));
float t_5 = powf((dX_46_u * floorf(w)), 2.0f);
int t_6 = (fmaxf((powf(t_2, 2.0f) + t_5), (t_0 + powf((dY_46_u * floorf(w)), 2.0f))) / fabsf(((floorf(h) * floorf(w)) * (dY_46_u * dX_46_v)))) > floorf(maxAniso);
float t_7 = fmaf((t_1 * dX_46_u), dX_46_u, ((t_3 * dX_46_v) * dX_46_v));
float t_8 = sqrtf((1.0f / fmaxf(t_7, t_4))) * fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))));
float tmp_1;
if ((dX_46_u <= -500.0f) || !(dX_46_u <= 20.0f)) {
float tmp_2;
if (t_6) {
tmp_2 = sqrtf(fmaxf((t_5 + (floorf(h) * (t_2 * dX_46_v))), t_4)) / floorf(maxAniso);
} else {
tmp_2 = t_8;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if (t_6) {
tmp_3 = sqrtf(fmaxf(t_7, (t_0 + (t_1 * (dY_46_u * dY_46_u))))) / floorf(maxAniso);
} else {
tmp_3 = t_8;
}
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(dY_46_v * floor(h)) ^ Float32(2.0) t_1 = floor(w) ^ Float32(2.0) t_2 = Float32(dX_46_v * floor(h)) t_3 = floor(h) ^ Float32(2.0) t_4 = fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v)) t_5 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_6 = Float32(fmax(Float32((t_2 ^ Float32(2.0)) + t_5), Float32(t_0 + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))) / abs(Float32(Float32(floor(h) * floor(w)) * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso) t_7 = fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(Float32(t_3 * dX_46_v) * dX_46_v)) t_8 = Float32(sqrt(Float32(Float32(1.0) / fmax(t_7, t_4))) * abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h))))) tmp_1 = Float32(0.0) if ((dX_46_u <= Float32(-500.0)) || !(dX_46_u <= Float32(20.0))) tmp_2 = Float32(0.0) if (t_6) tmp_2 = Float32(sqrt(fmax(Float32(t_5 + Float32(floor(h) * Float32(t_2 * dX_46_v))), t_4)) / floor(maxAniso)); else tmp_2 = t_8; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (t_6) tmp_3 = Float32(sqrt(fmax(t_7, Float32(t_0 + Float32(t_1 * Float32(dY_46_u * dY_46_u))))) / floor(maxAniso)); else tmp_3 = t_8; end tmp_1 = log2(tmp_3); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, \left(t\_3 \cdot dY.v\right) \cdot dY.v\right)\\
t_5 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := \frac{\mathsf{max}\left({t\_2}^{2} + t\_5, t\_0 + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)}{\left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor \\
t_7 := \mathsf{fma}\left(t\_1 \cdot dX.u, dX.u, \left(t\_3 \cdot dX.v\right) \cdot dX.v\right)\\
t_8 := \sqrt{\frac{1}{\mathsf{max}\left(t\_7, t\_4\right)}} \cdot \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|\\
\mathbf{if}\;dX.u \leq -500 \lor \neg \left(dX.u \leq 20\right):\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_5 + \left\lfloor h\right\rfloor \cdot \left(t\_2 \cdot dX.v\right), t\_4\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_7, t\_0 + t\_1 \cdot \left(dY.u \cdot dY.u\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\end{array}
\end{array}
if dX.u < -500 or 20 < dX.u Initial program 70.6%
Taylor expanded in w around 0
Applied rewrites19.1%
Applied rewrites14.2%
Taylor expanded in dX.u around 0
Applied rewrites14.3%
Applied rewrites59.7%
if -500 < dX.u < 20Initial program 81.3%
Taylor expanded in w around 0
Applied rewrites15.7%
Applied rewrites13.7%
Taylor expanded in dX.u around 0
Applied rewrites12.3%
Applied rewrites58.2%
Final simplification69.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (floor h) 2.0))
(t_2 (* (floor w) dX.u))
(t_3 (pow (floor w) 2.0))
(t_4 (* t_3 dY.u))
(t_5 (* t_4 dY.u))
(t_6 (* (floor h) dX.v))
(t_7 (+ (* t_2 t_2) (* t_6 t_6))))
(log2
(if (>
(/
(fmax
(fma (* t_3 dX.u) dX.u (* (* t_1 dX.v) dX.v))
(fma t_4 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_7 (+ t_5 (* t_0 t_0)))) (floor maxAniso))
(/
(fabs (* (* (floor w) dY.v) (* (floor h) dX.u)))
(sqrt (fmax t_7 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) * dY_46_v;
float t_1 = powf(floorf(h), 2.0f);
float t_2 = floorf(w) * dX_46_u;
float t_3 = powf(floorf(w), 2.0f);
float t_4 = t_3 * dY_46_u;
float t_5 = t_4 * dY_46_u;
float t_6 = floorf(h) * dX_46_v;
float t_7 = (t_2 * t_2) + (t_6 * t_6);
float tmp;
if ((fmaxf(fmaf((t_3 * dX_46_u), dX_46_u, ((t_1 * dX_46_v) * dX_46_v)), fmaf(t_4, 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_7, (t_5 + (t_0 * t_0)))) / floorf(maxAniso);
} else {
tmp = fabsf(((floorf(w) * dY_46_v) * (floorf(h) * dX_46_u))) / sqrtf(fmaxf(t_7, 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) * dY_46_v) t_1 = floor(h) ^ Float32(2.0) t_2 = Float32(floor(w) * dX_46_u) t_3 = floor(w) ^ Float32(2.0) t_4 = Float32(t_3 * dY_46_u) t_5 = Float32(t_4 * dY_46_u) t_6 = Float32(floor(h) * dX_46_v) t_7 = Float32(Float32(t_2 * t_2) + Float32(t_6 * t_6)) tmp = Float32(0.0) if (Float32(fmax(fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_1 * dX_46_v) * dX_46_v)), fma(t_4, 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(t_7, Float32(t_5 + Float32(t_0 * t_0)))) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(floor(w) * dY_46_v) * Float32(floor(h) * dX_46_u))) / sqrt(fmax(t_7, t_5))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := t\_3 \cdot dY.u\\
t_5 := t\_4 \cdot dY.u\\
t_6 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_7 := t\_2 \cdot t\_2 + t\_6 \cdot t\_6\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_3 \cdot dX.u, dX.u, \left(t\_1 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_4, 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\_7, t\_5 + t\_0 \cdot t\_0\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right|}{\sqrt{\mathsf{max}\left(t\_7, t\_5\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.7%
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.f3276.8
Applied rewrites76.8%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-*.f3276.8
Applied rewrites76.8%
Taylor expanded in w around 0
Applied rewrites39.5%
Taylor expanded in dX.u around inf
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3235.3
Applied rewrites35.7%
Final simplification35.4%
herbie shell --seed 2024343
(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)))))))))