
(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 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (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 (* (/ 1.0 (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 / ((1.0f / 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(1.0) / Float32(Float32(Float32(1.0) / floor(w)) * Float32(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) / ((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}{\frac{1}{\left\lfloor w\right\rfloor } \cdot \frac{1}{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 76.3%
Applied rewrites76.3%
unpow1N/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
pow-negN/A
lower-/.f32N/A
lower-pow.f3276.3
Applied rewrites76.3%
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
inv-powN/A
lower-*.f32N/A
unpow-1N/A
lower-/.f32N/A
lift-floor.f32N/A
lower-/.f3276.2
Applied rewrites76.2%
(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 76.3%
Applied rewrites76.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (floor w)))
(t_1 (* (floor w) dX.u))
(t_2 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_3 (pow (* (floor h) dX.v) 2.0))
(t_4 (fmax (+ t_3 (pow t_1 2.0)) t_2)))
(log2
(if (> (/ t_4 (fabs (* t_0 (* dY.u dX.v)))) (floor maxAniso))
(/
(sqrt (fmax (+ t_3 (pow (/ 1.0 (pow t_1 -1.0)) 2.0)) t_2))
(floor maxAniso))
(/ (fabs (* t_0 (- (* dY.u dX.v) (* dY.v dX.u)))) (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(h) * floorf(w);
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_3 = powf((floorf(h) * dX_46_v), 2.0f);
float t_4 = fmaxf((t_3 + powf(t_1, 2.0f)), t_2);
float tmp;
if ((t_4 / fabsf((t_0 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf((t_3 + powf((1.0f / powf(t_1, -1.0f)), 2.0f)), t_2)) / floorf(maxAniso);
} else {
tmp = fabsf((t_0 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / 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(h) * floor(w)) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_3 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_4 = fmax(Float32(t_3 + (t_1 ^ Float32(2.0))), t_2) tmp = Float32(0.0) if (Float32(t_4 / abs(Float32(t_0 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(Float32(t_3 + (Float32(Float32(1.0) / (t_1 ^ Float32(-1.0))) ^ Float32(2.0))), t_2)) / floor(maxAniso)); else tmp = Float32(abs(Float32(t_0 * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) / 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(h) * floor(w); t_1 = floor(w) * dX_46_u; t_2 = ((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_3 = (floor(h) * dX_46_v) ^ single(2.0); t_4 = max((t_3 + (t_1 ^ single(2.0))), t_2); tmp = single(0.0); if ((t_4 / abs((t_0 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = sqrt(max((t_3 + ((single(1.0) / (t_1 ^ single(-1.0))) ^ single(2.0))), t_2)) / floor(maxAniso); else tmp = abs((t_0 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / sqrt(t_4); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
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 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_4 := \mathsf{max}\left(t\_3 + {t\_1}^{2}, t\_2\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{\left|t\_0 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_3 + {\left(\frac{1}{{t\_1}^{-1}}\right)}^{2}, t\_2\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_0 \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|}{\sqrt{t\_4}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.3%
Applied rewrites76.3%
unpow1N/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
pow-negN/A
lower-/.f32N/A
lower-pow.f3276.3
Applied rewrites76.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3275.3
Applied rewrites75.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (floor w)))
(t_1
(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_2 (sqrt t_1)))
(log2
(if (> (/ t_1 (fabs (* t_0 (* dY.u dX.v)))) (floor maxAniso))
(/ t_2 (floor maxAniso))
(/ (fabs (* t_0 (- (* dY.u dX.v) (* dY.v dX.u)))) 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 = floorf(h) * floorf(w);
float t_1 = 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_2 = sqrtf(t_1);
float tmp;
if ((t_1 / fabsf((t_0 * (dY_46_u * dX_46_v)))) > floorf(maxAniso)) {
tmp = t_2 / floorf(maxAniso);
} else {
tmp = fabsf((t_0 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / t_2;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * floor(w)) t_1 = 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_2 = sqrt(t_1) tmp = Float32(0.0) if (Float32(t_1 / abs(Float32(t_0 * Float32(dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = Float32(t_2 / floor(maxAniso)); else tmp = Float32(abs(Float32(t_0 * Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)))) / 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) * floor(w); t_1 = 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_2 = sqrt(t_1); tmp = single(0.0); if ((t_1 / abs((t_0 * (dY_46_u * dX_46_v)))) > floor(maxAniso)) tmp = t_2 / floor(maxAniso); else tmp = abs((t_0 * ((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)))) / t_2; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_1 := \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_2 := \sqrt{t\_1}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_1}{\left|t\_0 \cdot \left(dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_2}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_0 \cdot \left(dY.u \cdot dX.v - dY.v \cdot dX.u\right)\right|}{t\_2}\\
\end{array}
\end{array}
\end{array}
Initial program 76.3%
Applied rewrites76.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
lift-*.f3275.3
Applied rewrites75.3%
(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)))
(log2
(if (>
(/ t_0 (fabs (* (* (floor w) dY.v) (* (floor h) dX.u))))
(floor maxAniso))
(/ t_1 (floor maxAniso))
(/
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w)))
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 tmp;
if ((t_0 / fabsf(((floorf(w) * dY_46_v) * (floorf(h) * dX_46_u)))) > floorf(maxAniso)) {
tmp = t_1 / floorf(maxAniso);
} else {
tmp = fabsf(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floorf(h)) * floorf(w))) / 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) tmp = Float32(0.0) if (Float32(t_0 / abs(Float32(Float32(floor(w) * dY_46_v) * Float32(floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = Float32(t_1 / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / 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); tmp = single(0.0); if ((t_0 / abs(((floor(w) * dY_46_v) * (floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = t_1 / floor(maxAniso); else tmp = abs(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / 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}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_0}{\left|\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_1}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|}{t\_1}\\
\end{array}
\end{array}
\end{array}
Initial program 76.3%
Taylor expanded in dX.u around inf
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3275.4
Applied rewrites75.4%
Applied rewrites75.4%
(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 (pow (* (floor w) dX.u) 2.0)))
(log2
(if (>
(/ (fmax t_2 t_0) (fabs (* (* (floor w) dY.v) (* (floor h) dX.u))))
(floor maxAniso))
(/
(sqrt (fmax (fma (pow (floor w) 2.0) (* dX.u dX.u) t_1) t_0))
(floor maxAniso))
(/
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w)))
(sqrt (fmax (+ t_1 t_2) 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 = powf((floorf(w) * dX_46_u), 2.0f);
float tmp;
if ((fmaxf(t_2, t_0) / fabsf(((floorf(w) * dY_46_v) * (floorf(h) * dX_46_u)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(fmaf(powf(floorf(w), 2.0f), (dX_46_u * dX_46_u), t_1), t_0)) / floorf(maxAniso);
} else {
tmp = fabsf(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floorf(h)) * floorf(w))) / sqrtf(fmaxf((t_1 + t_2), 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(w) * dX_46_u) ^ Float32(2.0) tmp = Float32(0.0) if (Float32(fmax(t_2, t_0) / abs(Float32(Float32(floor(w) * dY_46_v) * Float32(floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(fma((floor(w) ^ Float32(2.0)), Float32(dX_46_u * dX_46_u), t_1), t_0)) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / sqrt(fmax(Float32(t_1 + t_2), 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(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_2, t\_0\right)}{\left|\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left({\left(\left\lfloor w\right\rfloor \right)}^{2}, dX.u \cdot dX.u, t\_1\right), t\_0\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|}{\sqrt{\mathsf{max}\left(t\_1 + t\_2, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.3%
Taylor expanded in dX.u around inf
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3275.4
Applied rewrites75.4%
Applied rewrites75.4%
Taylor expanded in dX.u around inf
lift-floor.f32N/A
lift-*.f32N/A
pow-to-expN/A
lift-*.f32N/A
lift-floor.f32N/A
*-rgt-identityN/A
pow-expN/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.8
Applied rewrites74.8%
lift-+.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
lower-fma.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3274.8
Applied rewrites74.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dX.u) 2.0))
(t_1 (+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_2 (sqrt (fmax (+ (pow (* (floor h) dX.v) 2.0) t_0) t_1))))
(log2
(if (>
(/ (fmax t_0 t_1) (fabs (* (* (floor w) dY.v) (* (floor h) dX.u))))
(floor maxAniso))
(/ t_2 (floor maxAniso))
(/
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w)))
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) * dX_46_u), 2.0f);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_2 = sqrtf(fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + t_0), t_1));
float tmp;
if ((fmaxf(t_0, t_1) / fabsf(((floorf(w) * dY_46_v) * (floorf(h) * dX_46_u)))) > floorf(maxAniso)) {
tmp = t_2 / floorf(maxAniso);
} else {
tmp = fabsf(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floorf(h)) * floorf(w))) / t_2;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_1 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_2 = sqrt(fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_0), t_1)) tmp = Float32(0.0) if (Float32(fmax(t_0, t_1) / abs(Float32(Float32(floor(w) * dY_46_v) * Float32(floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = Float32(t_2 / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / 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(w) * dX_46_u) ^ single(2.0); t_1 = ((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_2 = sqrt(max((((floor(h) * dX_46_v) ^ single(2.0)) + t_0), t_1)); tmp = single(0.0); if ((max(t_0, t_1) / abs(((floor(w) * dY_46_v) * (floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = t_2 / floor(maxAniso); else tmp = abs(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / t_2; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_2 := \sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_0, t\_1\right)}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_0, t\_1\right)}{\left|\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_2}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|}{t\_2}\\
\end{array}
\end{array}
\end{array}
Initial program 76.3%
Taylor expanded in dX.u around inf
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3275.4
Applied rewrites75.4%
Applied rewrites75.4%
Taylor expanded in dX.u around inf
lift-floor.f32N/A
lift-*.f32N/A
pow-to-expN/A
lift-*.f32N/A
lift-floor.f32N/A
*-rgt-identityN/A
pow-expN/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.8
Applied rewrites74.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (+ (pow (* (floor h) dY.v) 2.0) t_0))
(t_2 (pow (* (floor w) dX.u) 2.0))
(t_3 (+ (pow (* (floor h) dX.v) 2.0) t_2)))
(log2
(if (>
(/ (fmax t_2 t_1) (fabs (* (* (floor w) dY.v) (* (floor h) dX.u))))
(floor maxAniso))
(/ (sqrt (fmax t_3 t_1)) (floor maxAniso))
(/
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w)))
(sqrt (fmax t_3 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(w) * dY_46_u), 2.0f);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f) + t_0;
float t_2 = powf((floorf(w) * dX_46_u), 2.0f);
float t_3 = powf((floorf(h) * dX_46_v), 2.0f) + t_2;
float tmp;
if ((fmaxf(t_2, t_1) / fabsf(((floorf(w) * dY_46_v) * (floorf(h) * dX_46_u)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(t_3, t_1)) / floorf(maxAniso);
} else {
tmp = fabsf(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floorf(h)) * floorf(w))) / sqrtf(fmaxf(t_3, 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(floor(w) * dY_46_u) ^ Float32(2.0) t_1 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_0) t_2 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_3 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_2) tmp = Float32(0.0) if (Float32(fmax(t_2, t_1) / abs(Float32(Float32(floor(w) * dY_46_v) * Float32(floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = Float32(sqrt(fmax(t_3, t_1)) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / sqrt(fmax(t_3, 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(w) * dY_46_u) ^ single(2.0); t_1 = ((floor(h) * dY_46_v) ^ single(2.0)) + t_0; t_2 = (floor(w) * dX_46_u) ^ single(2.0); t_3 = ((floor(h) * dX_46_v) ^ single(2.0)) + t_2; tmp = single(0.0); if ((max(t_2, t_1) / abs(((floor(w) * dY_46_v) * (floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = sqrt(max(t_3, t_1)) / floor(maxAniso); else tmp = abs(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / sqrt(max(t_3, t_0)); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_0\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_2\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_2, t\_1\right)}{\left|\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_3, t\_1\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|}{\sqrt{\mathsf{max}\left(t\_3, t\_0\right)}}\\
\end{array}
\end{array}
\end{array}
Initial program 76.3%
Taylor expanded in dX.u around inf
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3275.4
Applied rewrites75.4%
Applied rewrites75.4%
Taylor expanded in dX.u around inf
lift-floor.f32N/A
lift-*.f32N/A
pow-to-expN/A
lift-*.f32N/A
lift-floor.f32N/A
*-rgt-identityN/A
pow-expN/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.8
Applied rewrites74.8%
Taylor expanded in dY.u around inf
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
exp-to-powN/A
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.3
Applied rewrites74.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dY.u) 2.0))
(t_1 (pow (* (floor w) dX.u) 2.0))
(t_2
(sqrt
(fmax
(+ (pow (* (floor h) dX.v) 2.0) t_1)
(+ (pow (* (floor h) dY.v) 2.0) t_0)))))
(log2
(if (>
(/ (fmax t_1 t_0) (fabs (* (* (floor w) dY.v) (* (floor h) dX.u))))
(floor maxAniso))
(/ t_2 (floor maxAniso))
(/
(fabs (* (* (- (* dY.u dX.v) (* dY.v dX.u)) (floor h)) (floor w)))
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) * dY_46_u), 2.0f);
float t_1 = powf((floorf(w) * dX_46_u), 2.0f);
float t_2 = sqrtf(fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + t_1), (powf((floorf(h) * dY_46_v), 2.0f) + t_0)));
float tmp;
if ((fmaxf(t_1, t_0) / fabsf(((floorf(w) * dY_46_v) * (floorf(h) * dX_46_u)))) > floorf(maxAniso)) {
tmp = t_2 / floorf(maxAniso);
} else {
tmp = fabsf(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floorf(h)) * floorf(w))) / t_2;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_1 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_2 = sqrt(fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_1), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + t_0))) tmp = Float32(0.0) if (Float32(fmax(t_1, t_0) / abs(Float32(Float32(floor(w) * dY_46_v) * Float32(floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = Float32(t_2 / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / 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(w) * dY_46_u) ^ single(2.0); t_1 = (floor(w) * dX_46_u) ^ single(2.0); t_2 = sqrt(max((((floor(h) * dX_46_v) ^ single(2.0)) + t_1), (((floor(h) * dY_46_v) ^ single(2.0)) + t_0))); tmp = single(0.0); if ((max(t_1, t_0) / abs(((floor(w) * dY_46_v) * (floor(h) * dX_46_u)))) > floor(maxAniso)) tmp = t_2 / floor(maxAniso); else tmp = abs(((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * floor(h)) * floor(w))) / t_2; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\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 := \sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_1, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + t\_0\right)}\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1, t\_0\right)}{\left|\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_2}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor \right|}{t\_2}\\
\end{array}
\end{array}
\end{array}
Initial program 76.3%
Taylor expanded in dX.u around inf
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3275.4
Applied rewrites75.4%
Applied rewrites75.4%
Taylor expanded in dX.u around inf
lift-floor.f32N/A
lift-*.f32N/A
pow-to-expN/A
lift-*.f32N/A
lift-floor.f32N/A
*-rgt-identityN/A
pow-expN/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3274.8
Applied rewrites74.8%
Taylor expanded in dY.u around inf
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
exp-to-powN/A
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f3258.7
Applied rewrites58.7%
herbie shell --seed 2025103
(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)))))))))