
(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}
Herbie found 8 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 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (+ (* t_3 t_3) (* t_0 t_0)))
(t_5 (fmax t_4 (+ (* t_1 t_1) (* t_2 t_2))))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_5 t_6) (floor maxAniso))
(/ (sqrt t_5) (floor maxAniso))
(/ t_6 (sqrt (fmax t_4 (pow t_2 2.0))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * 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 = (t_3 * t_3) + (t_0 * t_0);
float t_5 = fmaxf(t_4, ((t_1 * t_1) + (t_2 * t_2)));
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_5 / t_6) > floorf(maxAniso)) {
tmp = sqrtf(t_5) / floorf(maxAniso);
} else {
tmp = t_6 / sqrtf(fmaxf(t_4, powf(t_2, 2.0f)));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) t_5 = fmax(t_4, Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_5 / t_6) > floor(maxAniso)) tmp = Float32(sqrt(t_5) / floor(maxAniso)); else tmp = Float32(t_6 / sqrt(fmax(t_4, (t_2 ^ Float32(2.0))))); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * 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 = (t_3 * t_3) + (t_0 * t_0); t_5 = max(t_4, ((t_1 * t_1) + (t_2 * t_2))); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_5 / t_6) > floor(maxAniso)) tmp = sqrt(t_5) / floor(maxAniso); else tmp = t_6 / sqrt(max(t_4, (t_2 ^ single(2.0)))); 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 := t\_3 \cdot t\_3 + t\_0 \cdot t\_0\\
t_5 := \mathsf{max}\left(t\_4, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_5}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{\sqrt{\mathsf{max}\left(t\_4, {t\_2}^{2}\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 75.6%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3275.2
Applied rewrites75.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2 (fmax (+ t_1 (pow (* (floor w) dX.u) 2.0)) t_0))
(t_3
(fabs (* (* (floor h) (floor w)) (- (* dY.u dX.v) (* dY.v dX.u))))))
(log2
(if (> (/ t_2 t_3) (floor maxAniso))
(/
(sqrt
(fmax (+ t_1 (pow (* (/ 1.0 (pow (floor w) -1.0)) dX.u) 2.0)) t_0))
(floor maxAniso))
(/ t_3 (sqrt t_2))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = fmaxf((t_1 + powf((floorf(w) * dX_46_u), 2.0f)), t_0);
float t_3 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u))));
float tmp;
if ((t_2 / t_3) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf((t_1 + powf(((1.0f / powf(floorf(w), -1.0f)) * dX_46_u), 2.0f)), t_0)) / floorf(maxAniso);
} else {
tmp = t_3 / sqrtf(t_2);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = fmax(Float32(t_1 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), t_0) t_3 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) tmp = Float32(0.0) if (Float32(t_2 / t_3) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(t_1 + (Float32(Float32(Float32(1.0) / (floor(w) ^ Float32(-1.0))) * dX_46_u) ^ Float32(2.0))), t_0)) / floor(maxAniso)); else tmp = Float32(t_3 / sqrt(t_2)); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = ((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_1 = (floor(h) * dX_46_v) ^ single(2.0); t_2 = max((t_1 + ((floor(w) * dX_46_u) ^ single(2.0))), t_0); t_3 = abs(((floor(h) * floor(w)) * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))); tmp = single(0.0); if ((t_2 / t_3) > floor(maxAniso)) tmp = sqrt(max((t_1 + (((single(1.0) / (floor(w) ^ single(-1.0))) * dX_46_u) ^ single(2.0))), t_0)) / floor(maxAniso); else tmp = t_3 / sqrt(t_2); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := \mathsf{max}\left(t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_0\right)\\
t_3 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{t\_3} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_1 + {\left(\frac{1}{{\left(\left\lfloor w\right\rfloor \right)}^{-1}} \cdot dX.u\right)}^{2}, t\_0\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{\sqrt{t\_2}}\\
\end{array}
\end{array}
\end{array}
Initial program 75.6%
Applied rewrites75.6%
lift-floor.f32N/A
unpow1N/A
metadata-evalN/A
pow-negN/A
lower-/.f32N/A
lower-pow.f32N/A
lift-floor.f3275.6
Applied rewrites75.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fmax
(+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0))
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0))))
(t_1 (sqrt t_0))
(t_2
(fabs (* (* (floor h) (floor w)) (- (* dY.u dX.v) (* dY.v dX.u))))))
(log2
(if (> (/ t_0 t_2) (floor maxAniso))
(/ t_1 (floor maxAniso))
(/ t_2 t_1)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f)));
float t_1 = sqrtf(t_0);
float t_2 = fabsf(((floorf(h) * floorf(w)) * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u))));
float tmp;
if ((t_0 / t_2) > floorf(maxAniso)) {
tmp = t_1 / floorf(maxAniso);
} else {
tmp = t_2 / t_1;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) t_1 = sqrt(t_0) t_2 = abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) tmp = Float32(0.0) if (Float32(t_0 / t_2) > floor(maxAniso)) tmp = Float32(t_1 / floor(maxAniso)); else tmp = Float32(t_2 / t_1); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = max((((floor(h) * dX_46_v) ^ single(2.0)) + ((floor(w) * dX_46_u) ^ single(2.0))), (((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)))); t_1 = sqrt(t_0); t_2 = abs(((floor(h) * floor(w)) * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))); tmp = single(0.0); if ((t_0 / t_2) > floor(maxAniso)) tmp = t_1 / floor(maxAniso); else tmp = t_2 / t_1; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\\
t_1 := \sqrt{t\_0}\\
t_2 := \left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_0}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_1}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_1}\\
\end{array}
\end{array}
\end{array}
Initial program 75.6%
Applied rewrites75.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2 (* (floor h) (floor w))))
(log2
(if (> (/ (fmax t_1 t_0) (fabs (* t_2 (* dY.u dX.v)))) (floor maxAniso))
(/
(sqrt (fmax (+ t_1 (pow (* (floor w) dX.u) 2.0)) t_0))
(floor maxAniso))
(/
(fabs (* t_2 (- (* dY.u dX.v) (* dY.v dX.u))))
(sqrt (fmax (+ t_1 (pow (exp (log (* dX.u (floor w)))) 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 = powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = floorf(h) * floorf(w);
float tmp;
if ((fmaxf(t_1, t_0) / fabsf((t_2 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf((t_1 + powf((floorf(w) * dX_46_u), 2.0f)), t_0)) / floorf(maxAniso);
} else {
tmp = fabsf((t_2 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / sqrtf(fmaxf((t_1 + powf(expf(logf((dX_46_u * floorf(w)))), 2.0f)), t_0));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = Float32(floor(h) * floor(w)) tmp = Float32(0.0) if (Float32(fmax(t_1, t_0) / abs(Float32(t_2 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(t_1 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), t_0)) / floor(maxAniso)); else tmp = Float32(abs(Float32(t_2 * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) / sqrt(fmax(Float32(t_1 + (exp(log(Float32(dX_46_u * floor(w)))) ^ Float32(2.0))), t_0))); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = ((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_1 = (floor(h) * dX_46_v) ^ single(2.0); t_2 = floor(h) * floor(w); tmp = single(0.0); if ((max(t_1, t_0) / abs((t_2 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = sqrt(max((t_1 + ((floor(w) * dX_46_u) ^ single(2.0))), t_0)) / floor(maxAniso); else tmp = abs((t_2 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / sqrt(max((t_1 + (exp(log((dX_46_u * floor(w)))) ^ single(2.0))), t_0)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_0\right)}{\left|t\_2 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_0\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_2 \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|}{\sqrt{\mathsf{max}\left(t\_1 + {\left(e^{\log \left(dX.u \cdot \left\lfloor w\right\rfloor \right)}\right)}^{2}, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 75.6%
Applied rewrites75.6%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3274.7
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.1
Applied rewrites74.1%
rem-exp-logN/A
lift-*.f32N/A
lift-floor.f32N/A
lower-exp.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-log.f3273.9
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f3273.9
Applied rewrites73.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dY.v) 2.0))
(t_1 (pow (* (floor w) dX.u) 2.0))
(t_2 (pow (* (floor h) dX.v) 2.0))
(t_3 (* (floor h) (floor w)))
(t_4 (+ t_0 (pow (* (floor w) dY.u) 2.0)))
(t_5
(> (/ (fmax t_2 t_4) (fabs (* t_3 (* dY.u dX.v)))) (floor maxAniso)))
(t_6 (+ t_2 t_1))
(t_7
(/
(fabs (* t_3 (- (* dY.u dX.v) (* dY.v dX.u))))
(sqrt (fmax t_6 t_4)))))
(if (<= dY.u -1.99999996490334e-13)
(log2
(if t_5
(/
(sqrt (fmax (+ (exp (* (log (* dX.v (floor h))) 2.0)) t_1) t_4))
(floor maxAniso))
t_7))
(log2
(if t_5
(/
(sqrt (fmax t_6 (+ t_0 (exp (* (log (* dY.u (floor w))) 2.0)))))
(floor maxAniso))
t_7)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((floorf(h) * dY_46_v), 2.0f);
float t_1 = powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f);
float t_3 = floorf(h) * floorf(w);
float t_4 = t_0 + powf((floorf(w) * dY_46_u), 2.0f);
int t_5 = (fmaxf(t_2, t_4) / fabsf((t_3 * (dY_46_u * dX_46_v)))) > floorf(maxAniso);
float t_6 = t_2 + t_1;
float t_7 = fabsf((t_3 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / sqrtf(fmaxf(t_6, t_4));
float tmp_1;
if (dY_46_u <= -1.99999996490334e-13f) {
float tmp_2;
if (t_5) {
tmp_2 = sqrtf(fmaxf((expf((logf((dX_46_v * floorf(h))) * 2.0f)) + t_1), t_4)) / floorf(maxAniso);
} else {
tmp_2 = t_7;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if (t_5) {
tmp_3 = sqrtf(fmaxf(t_6, (t_0 + expf((logf((dY_46_u * floorf(w))) * 2.0f))))) / floorf(maxAniso);
} else {
tmp_3 = t_7;
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_1 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_2 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_3 = Float32(floor(h) * floor(w)) t_4 = Float32(t_0 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_5 = Float32(fmax(t_2, t_4) / abs(Float32(t_3 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso) t_6 = Float32(t_2 + t_1) t_7 = Float32(abs(Float32(t_3 * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) / sqrt(fmax(t_6, t_4))) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-1.99999996490334e-13)) tmp_2 = Float32(0.0) if (t_5) tmp_2 = Float32(sqrt(fmax(Float32(exp(Float32(log(Float32(dX_46_v * floor(h))) * Float32(2.0))) + t_1), t_4)) / floor(maxAniso)); else tmp_2 = t_7; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (t_5) tmp_3 = Float32(sqrt(fmax(t_6, Float32(t_0 + exp(Float32(log(Float32(dY_46_u * floor(w))) * Float32(2.0)))))) / floor(maxAniso)); else tmp_3 = t_7; end tmp_1 = log2(tmp_3); end return tmp_1 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (floor(h) * dY_46_v) ^ single(2.0); t_1 = (floor(w) * dX_46_u) ^ single(2.0); t_2 = (floor(h) * dX_46_v) ^ single(2.0); t_3 = floor(h) * floor(w); t_4 = t_0 + ((floor(w) * dY_46_u) ^ single(2.0)); t_5 = (max(t_2, t_4) / abs((t_3 * (dY_46_u * dX_46_v)))) > floor(maxAniso); t_6 = t_2 + t_1; t_7 = abs((t_3 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / sqrt(max(t_6, t_4)); tmp_2 = single(0.0); if (dY_46_u <= single(-1.99999996490334e-13)) tmp_3 = single(0.0); if (t_5) tmp_3 = sqrt(max((exp((log((dX_46_v * floor(h))) * single(2.0))) + t_1), t_4)) / floor(maxAniso); else tmp_3 = t_7; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if (t_5) tmp_4 = sqrt(max(t_6, (t_0 + exp((log((dY_46_u * floor(w))) * single(2.0)))))) / floor(maxAniso); else tmp_4 = t_7; end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_3 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_4 := t\_0 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_5 := \frac{\mathsf{max}\left(t\_2, t\_4\right)}{\left|t\_3 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor \\
t_6 := t\_2 + t\_1\\
t_7 := \frac{\left|t\_3 \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|}{\sqrt{\mathsf{max}\left(t\_6, t\_4\right)}}\\
\mathbf{if}\;dY.u \leq -1.99999996490334 \cdot 10^{-13}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_5:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(e^{\log \left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot 2} + t\_1, t\_4\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_5:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_6, t\_0 + e^{\log \left(dY.u \cdot \left\lfloor w\right\rfloor \right) \cdot 2}\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\end{array}
\end{array}
if dY.u < -1.99999996e-13Initial program 74.7%
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3274.1
Applied rewrites74.1%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3273.7
Applied rewrites73.7%
lift-pow.f32N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f3262.5
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f3262.5
Applied rewrites62.5%
if -1.99999996e-13 < dY.u Initial program 76.3%
Applied rewrites76.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3275.1
Applied rewrites75.1%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.3
Applied rewrites74.3%
lift-pow.f32N/A
pow-to-expN/A
lift-*.f32N/A
lift-floor.f32N/A
*-rgt-identityN/A
lower-exp.f32N/A
lower-*.f32N/A
*-rgt-identityN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-log.f3271.2
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f3271.2
Applied rewrites71.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2 (* (floor h) (floor w))))
(log2
(if (> (/ (fmax t_1 t_0) (fabs (* t_2 (* dY.u dX.v)))) (floor maxAniso))
(/
(sqrt
(fmax
(fma
(* (* dX.u (floor w)) (floor w))
dX.u
(pow (* dX.v (floor h)) 2.0))
t_0))
(floor maxAniso))
(/
(fabs (* t_2 (- (* dY.u dX.v) (* dY.v dX.u))))
(sqrt (fmax (+ t_1 (pow (* (floor w) dX.u) 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 = powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = floorf(h) * floorf(w);
float tmp;
if ((fmaxf(t_1, t_0) / fabsf((t_2 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(fmaf(((dX_46_u * floorf(w)) * floorf(w)), dX_46_u, powf((dX_46_v * floorf(h)), 2.0f)), t_0)) / floorf(maxAniso);
} else {
tmp = fabsf((t_2 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / sqrtf(fmaxf((t_1 + powf((floorf(w) * dX_46_u), 2.0f)), t_0));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = Float32(floor(h) * floor(w)) tmp = Float32(0.0) if (Float32(fmax(t_1, t_0) / abs(Float32(t_2 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(fma(Float32(Float32(dX_46_u * floor(w)) * floor(w)), dX_46_u, (Float32(dX_46_v * floor(h)) ^ Float32(2.0))), t_0)) / floor(maxAniso)); else tmp = Float32(abs(Float32(t_2 * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) / sqrt(fmax(Float32(t_1 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), t_0))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_0\right)}{\left|t\_2 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot \left\lfloor w\right\rfloor , dX.u, {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right), t\_0\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_2 \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|}{\sqrt{\mathsf{max}\left(t\_1 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 75.6%
Applied rewrites75.6%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3274.7
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.1
Applied rewrites74.1%
lift-+.f32N/A
+-commutativeN/A
lift-pow.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
associate-*r*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3274.1
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f3274.1
Applied rewrites74.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dX.v) 2.0))
(t_1 (* (floor h) (floor w)))
(t_2 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_3 (sqrt (fmax (+ t_0 (pow (* (floor w) dX.u) 2.0)) t_2))))
(log2
(if (> (/ (fmax t_0 t_2) (fabs (* t_1 (* dY.u dX.v)))) (floor maxAniso))
(/ t_3 (floor maxAniso))
(/ (fabs (* t_1 (- (* dY.u dX.v) (* dY.v dX.u)))) 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) * dX_46_v), 2.0f);
float t_1 = floorf(h) * floorf(w);
float t_2 = powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_3 = sqrtf(fmaxf((t_0 + powf((floorf(w) * dX_46_u), 2.0f)), t_2));
float tmp;
if ((fmaxf(t_0, t_2) / fabsf((t_1 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = t_3 / floorf(maxAniso);
} else {
tmp = fabsf((t_1 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / t_3;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_1 = Float32(floor(h) * floor(w)) t_2 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_3 = sqrt(fmax(Float32(t_0 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), t_2)) tmp = Float32(0.0) if (Float32(fmax(t_0, t_2) / abs(Float32(t_1 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(t_3 / floor(maxAniso)); else tmp = Float32(abs(Float32(t_1 * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) / t_3); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (floor(h) * dX_46_v) ^ single(2.0); t_1 = floor(h) * floor(w); t_2 = ((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_3 = sqrt(max((t_0 + ((floor(w) * dX_46_u) ^ single(2.0))), t_2)); tmp = single(0.0); if ((max(t_0, t_2) / abs((t_1 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = t_3 / floor(maxAniso); else tmp = abs((t_1 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / t_3; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_1 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_0 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_2\right)}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_0, t\_2\right)}{\left|t\_1 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_1 \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|}{t\_3}\\
\end{array}
\end{array}
\end{array}
Initial program 75.6%
Applied rewrites75.6%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3274.7
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.1
Applied rewrites74.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_1 (pow (* (floor w) dX.u) 2.0))
(t_2 (pow (* (floor h) dX.v) 2.0))
(t_3 (* (floor h) (floor w))))
(log2
(if (> (/ (fmax t_2 t_0) (fabs (* t_3 (* dY.u dX.v)))) (floor maxAniso))
(/
(sqrt (fmax (+ (exp (* (log (* dX.v (floor h))) 2.0)) t_1) t_0))
(floor maxAniso))
(/
(fabs (* t_3 (- (* dY.u dX.v) (* dY.v dX.u))))
(sqrt (fmax (+ t_2 t_1) t_0)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f);
float t_3 = floorf(h) * floorf(w);
float tmp;
if ((fmaxf(t_2, t_0) / fabsf((t_3 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf((expf((logf((dX_46_v * floorf(h))) * 2.0f)) + t_1), t_0)) / floorf(maxAniso);
} else {
tmp = fabsf((t_3 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / sqrtf(fmaxf((t_2 + t_1), t_0));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_1 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_2 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_3 = Float32(floor(h) * floor(w)) tmp = Float32(0.0) if (Float32(fmax(t_2, t_0) / abs(Float32(t_3 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(exp(Float32(log(Float32(dX_46_v * floor(h))) * Float32(2.0))) + t_1), t_0)) / floor(maxAniso)); else tmp = Float32(abs(Float32(t_3 * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) / sqrt(fmax(Float32(t_2 + t_1), t_0))); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = ((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_1 = (floor(w) * dX_46_u) ^ single(2.0); t_2 = (floor(h) * dX_46_v) ^ single(2.0); t_3 = floor(h) * floor(w); tmp = single(0.0); if ((max(t_2, t_0) / abs((t_3 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = sqrt(max((exp((log((dX_46_v * floor(h))) * single(2.0))) + t_1), t_0)) / floor(maxAniso); else tmp = abs((t_3 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / sqrt(max((t_2 + t_1), t_0)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_3 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_2, t\_0\right)}{\left|t\_3 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(e^{\log \left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot 2} + t\_1, t\_0\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_3 \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|}{\sqrt{\mathsf{max}\left(t\_2 + t\_1, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 75.6%
Applied rewrites75.6%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3274.7
Applied rewrites74.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.1
Applied rewrites74.1%
lift-pow.f32N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f3260.8
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f3260.8
Applied rewrites60.8%
herbie shell --seed 2025107
(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)))))))))