
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_2) (* t_0 t_1)))))
(log2
(if (> (/ t_4 t_6) (floor maxAniso))
(/ t_5 (floor maxAniso))
(/ t_6 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_2) - (t_0 * t_1)));
float tmp;
if ((t_4 / t_6) > floorf(maxAniso)) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_2) - Float32(t_0 * t_1))) tmp = Float32(0.0) if (Float32(t_4 / t_6) > floor(maxAniso)) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_2) - (t_0 * t_1))); tmp = single(0.0); if ((t_4 / t_6) > floor(maxAniso)) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_4}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) (floor h)))
(t_1 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dY.v))
(t_4
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow t_2 2.0) (pow t_3 2.0)))))
(log2
(if (> (/ (/ t_4 (fabs t_0)) (fabs t_1)) (floor maxAniso))
(/
(sqrt
(fmax
(+
(* (floor w) (* (floor w) (* dX.u dX.u)))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(+ (* (floor w) (* dY.u t_2)) (* (floor h) (* dY.v t_3)))))
(floor maxAniso))
(/ (fabs (* t_0 t_1)) (sqrt t_4))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * floorf(h);
float t_1 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dY_46_v;
float t_4 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf(t_2, 2.0f) + powf(t_3, 2.0f)));
float tmp;
if (((t_4 / fabsf(t_0)) / fabsf(t_1)) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((floorf(w) * (floorf(w) * (dX_46_u * dX_46_u))) + (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), ((floorf(w) * (dY_46_u * t_2)) + (floorf(h) * (dY_46_v * t_3))))) / floorf(maxAniso);
} else {
tmp = fabsf((t_0 * t_1)) / sqrtf(t_4);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * floor(h)) t_1 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dY_46_v) t_4 = (Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) : ((Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))))) tmp = Float32(0.0) if (Float32(Float32(t_4 / abs(t_0)) / abs(t_1)) > floor(maxAniso)) tmp = Float32(sqrt(((Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + Float32(floor(h) * Float32(dY_46_v * t_3))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + Float32(floor(h) * Float32(dY_46_v * t_3))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + Float32(floor(h) * Float32(dY_46_v * t_3)))) ? Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + Float32(floor(h) * Float32(dY_46_v * t_3))))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(t_0 * t_1)) / sqrt(t_4)); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * floor(h); t_1 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_2 = floor(w) * dY_46_u; t_3 = floor(h) * dY_46_v; t_4 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), ((t_2 ^ single(2.0)) + (t_3 ^ single(2.0)))); tmp = single(0.0); if (((t_4 / abs(t_0)) / abs(t_1)) > floor(maxAniso)) tmp = sqrt(max(((floor(w) * (floor(w) * (dX_46_u * dX_46_u))) + (floor(h) * (floor(h) * (dX_46_v * dX_46_v)))), ((floor(w) * (dY_46_u * t_2)) + (floor(h) * (dY_46_v * t_3))))) / floor(maxAniso); else tmp = abs((t_0 * t_1)) / sqrt(t_4); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_1 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := \mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {t\_2}^{2} + {t\_3}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\frac{t\_4}{\left|t\_0\right|}}{\left|t\_1\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right) + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right), \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_2\right) + \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_3\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_0 \cdot t\_1\right|}{\sqrt{t\_4}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.1%
Simplified79.1%
fabs-mulN/A
associate-/r*N/A
/-lowering-/.f32N/A
Applied egg-rr79.1%
Applied egg-rr79.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor h) dX.v))
(t_2 (* (floor w) (* (floor w) (* dX.u dX.u))))
(t_3 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_4 (* (floor w) dY.u))
(t_5
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow t_1 2.0))
(+ (pow t_4 2.0) (pow t_0 2.0))))
(t_6 (/ (fabs (* (* (floor w) (floor h)) t_3)) (sqrt t_5)))
(t_7 (* (floor w) (* dY.u t_4)))
(t_8
(> (/ t_5 (fabs (* (floor h) (* (floor w) t_3)))) (floor maxAniso))))
(if (<= dX.v -1.2000000136174153e-18)
(log2
(if t_8
(/
(sqrt
(fmax
(+ t_2 (* (floor h) (* (floor h) (* dX.v dX.v))))
(+ t_7 (pow (exp 2.0) (log t_0)))))
(floor maxAniso))
t_6))
(log2
(if t_8
(/
(sqrt
(fmax
(+ t_2 (pow (exp 2.0) (log t_1)))
(+ t_7 (* (floor h) (* dY.v t_0)))))
(floor maxAniso))
t_6)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(w) * (floorf(w) * (dX_46_u * dX_46_u));
float t_3 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_4 = floorf(w) * dY_46_u;
float t_5 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf(t_1, 2.0f)), (powf(t_4, 2.0f) + powf(t_0, 2.0f)));
float t_6 = fabsf(((floorf(w) * floorf(h)) * t_3)) / sqrtf(t_5);
float t_7 = floorf(w) * (dY_46_u * t_4);
int t_8 = (t_5 / fabsf((floorf(h) * (floorf(w) * t_3)))) > floorf(maxAniso);
float tmp_1;
if (dX_46_v <= -1.2000000136174153e-18f) {
float tmp_2;
if (t_8) {
tmp_2 = sqrtf(fmaxf((t_2 + (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), (t_7 + powf(expf(2.0f), logf(t_0))))) / floorf(maxAniso);
} else {
tmp_2 = t_6;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if (t_8) {
tmp_3 = sqrtf(fmaxf((t_2 + powf(expf(2.0f), logf(t_1))), (t_7 + (floorf(h) * (dY_46_v * t_0))))) / floorf(maxAniso);
} else {
tmp_3 = t_6;
}
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) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) t_3 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_4 = Float32(floor(w) * dY_46_u) t_5 = (Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : ((Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))), Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))))) t_6 = Float32(abs(Float32(Float32(floor(w) * floor(h)) * t_3)) / sqrt(t_5)) t_7 = Float32(floor(w) * Float32(dY_46_u * t_4)) t_8 = Float32(t_5 / abs(Float32(floor(h) * Float32(floor(w) * t_3)))) > floor(maxAniso) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(-1.2000000136174153e-18)) tmp_2 = Float32(0.0) if (t_8) tmp_2 = Float32(sqrt(((Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? Float32(t_7 + (exp(Float32(2.0)) ^ log(t_0))) : ((Float32(t_7 + (exp(Float32(2.0)) ^ log(t_0))) != Float32(t_7 + (exp(Float32(2.0)) ^ log(t_0)))) ? Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), Float32(t_7 + (exp(Float32(2.0)) ^ log(t_0))))))) / floor(maxAniso)); else tmp_2 = t_6; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (t_8) tmp_3 = Float32(sqrt(((Float32(t_2 + (exp(Float32(2.0)) ^ log(t_1))) != Float32(t_2 + (exp(Float32(2.0)) ^ log(t_1)))) ? Float32(t_7 + Float32(floor(h) * Float32(dY_46_v * t_0))) : ((Float32(t_7 + Float32(floor(h) * Float32(dY_46_v * t_0))) != Float32(t_7 + Float32(floor(h) * Float32(dY_46_v * t_0)))) ? Float32(t_2 + (exp(Float32(2.0)) ^ log(t_1))) : max(Float32(t_2 + (exp(Float32(2.0)) ^ log(t_1))), Float32(t_7 + Float32(floor(h) * Float32(dY_46_v * t_0))))))) / floor(maxAniso)); else tmp_3 = t_6; 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; t_1 = floor(h) * dX_46_v; t_2 = floor(w) * (floor(w) * (dX_46_u * dX_46_u)); t_3 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_4 = floor(w) * dY_46_u; t_5 = max((((floor(w) * dX_46_u) ^ single(2.0)) + (t_1 ^ single(2.0))), ((t_4 ^ single(2.0)) + (t_0 ^ single(2.0)))); t_6 = abs(((floor(w) * floor(h)) * t_3)) / sqrt(t_5); t_7 = floor(w) * (dY_46_u * t_4); t_8 = (t_5 / abs((floor(h) * (floor(w) * t_3)))) > floor(maxAniso); tmp_2 = single(0.0); if (dX_46_v <= single(-1.2000000136174153e-18)) tmp_3 = single(0.0); if (t_8) tmp_3 = sqrt(max((t_2 + (floor(h) * (floor(h) * (dX_46_v * dX_46_v)))), (t_7 + (exp(single(2.0)) ^ log(t_0))))) / floor(maxAniso); else tmp_3 = t_6; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if (t_8) tmp_4 = sqrt(max((t_2 + (exp(single(2.0)) ^ log(t_1))), (t_7 + (floor(h) * (dY_46_v * t_0))))) / floor(maxAniso); else tmp_4 = t_6; end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_2 := \left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right)\\
t_3 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := \mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {t\_1}^{2}, {t\_4}^{2} + {t\_0}^{2}\right)\\
t_6 := \frac{\left|\left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot t\_3\right|}{\sqrt{t\_5}}\\
t_7 := \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_4\right)\\
t_8 := \frac{t\_5}{\left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot t\_3\right)\right|} > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;dX.v \leq -1.2000000136174153 \cdot 10^{-18}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_2 + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right), t\_7 + {\left(e^{2}\right)}^{\log t\_0}\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_2 + {\left(e^{2}\right)}^{\log t\_1}, t\_7 + \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_0\right)\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\\
\end{array}
\end{array}
if dX.v < -1.20000001e-18Initial program 80.4%
Simplified80.4%
fabs-mulN/A
associate-/r*N/A
/-lowering-/.f32N/A
Applied egg-rr80.5%
Applied egg-rr80.5%
associate-*r*N/A
unpow2N/A
pow-to-expN/A
*-commutativeN/A
exp-prodN/A
unpow1N/A
pow-to-expN/A
rem-log-expN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
rem-log-expN/A
pow-to-expN/A
unpow1N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3270.9%
Applied egg-rr70.9%
Applied egg-rr70.5%
if -1.20000001e-18 < dX.v Initial program 77.8%
Simplified77.8%
fabs-mulN/A
associate-/r*N/A
/-lowering-/.f32N/A
Applied egg-rr77.9%
associate-*r*N/A
swap-sqrN/A
pow2N/A
pow-to-expN/A
*-commutativeN/A
exp-prodN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3277.6%
Applied egg-rr77.6%
Applied egg-rr77.6%
Applied egg-rr77.6%
Final simplification74.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_2 (* (floor w) dY.u))
(t_3
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow t_2 2.0) (pow t_0 2.0))))
(t_4 (/ (fabs (* (* (floor w) (floor h)) t_1)) (sqrt t_3)))
(t_5
(> (/ t_3 (fabs (* (floor h) (* (floor w) t_1)))) (floor maxAniso)))
(t_6
(+
(* (floor w) (* (floor w) (* dX.u dX.u)))
(* (floor h) (* (floor h) (* dX.v dX.v))))))
(if (<= dY.u 1.2499999603319032e-20)
(log2
(if t_5
(/
(sqrt
(fmax t_6 (+ (* (floor w) (* dY.u t_2)) (pow (exp 2.0) (log t_0)))))
(floor maxAniso))
t_4))
(log2
(if t_5
(/
(sqrt
(fmax t_6 (+ (* (floor h) (* dY.v t_0)) (pow (exp 2.0) (log t_2)))))
(floor maxAniso))
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) * dY_46_v;
float t_1 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_2 = floorf(w) * dY_46_u;
float t_3 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf(t_2, 2.0f) + powf(t_0, 2.0f)));
float t_4 = fabsf(((floorf(w) * floorf(h)) * t_1)) / sqrtf(t_3);
int t_5 = (t_3 / fabsf((floorf(h) * (floorf(w) * t_1)))) > floorf(maxAniso);
float t_6 = (floorf(w) * (floorf(w) * (dX_46_u * dX_46_u))) + (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)));
float tmp_1;
if (dY_46_u <= 1.2499999603319032e-20f) {
float tmp_2;
if (t_5) {
tmp_2 = sqrtf(fmaxf(t_6, ((floorf(w) * (dY_46_u * t_2)) + powf(expf(2.0f), logf(t_0))))) / floorf(maxAniso);
} else {
tmp_2 = t_4;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if (t_5) {
tmp_3 = sqrtf(fmaxf(t_6, ((floorf(h) * (dY_46_v * t_0)) + powf(expf(2.0f), logf(t_2))))) / floorf(maxAniso);
} else {
tmp_3 = t_4;
}
tmp_1 = log2f(tmp_3);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_2 = Float32(floor(w) * dY_46_u) t_3 = (Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : ((Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))))) t_4 = Float32(abs(Float32(Float32(floor(w) * floor(h)) * t_1)) / sqrt(t_3)) t_5 = Float32(t_3 / abs(Float32(floor(h) * Float32(floor(w) * t_1)))) > floor(maxAniso) t_6 = Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(1.2499999603319032e-20)) tmp_2 = Float32(0.0) if (t_5) tmp_2 = Float32(sqrt(((t_6 != t_6) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + (exp(Float32(2.0)) ^ log(t_0))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + (exp(Float32(2.0)) ^ log(t_0))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + (exp(Float32(2.0)) ^ log(t_0)))) ? t_6 : max(t_6, Float32(Float32(floor(w) * Float32(dY_46_u * t_2)) + (exp(Float32(2.0)) ^ log(t_0))))))) / floor(maxAniso)); else tmp_2 = t_4; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (t_5) tmp_3 = Float32(sqrt(((t_6 != t_6) ? Float32(Float32(floor(h) * Float32(dY_46_v * t_0)) + (exp(Float32(2.0)) ^ log(t_2))) : ((Float32(Float32(floor(h) * Float32(dY_46_v * t_0)) + (exp(Float32(2.0)) ^ log(t_2))) != Float32(Float32(floor(h) * Float32(dY_46_v * t_0)) + (exp(Float32(2.0)) ^ log(t_2)))) ? t_6 : max(t_6, Float32(Float32(floor(h) * Float32(dY_46_v * t_0)) + (exp(Float32(2.0)) ^ log(t_2))))))) / floor(maxAniso)); else tmp_3 = t_4; end tmp_1 = log2(tmp_3); end return tmp_1 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_2 = floor(w) * dY_46_u; t_3 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), ((t_2 ^ single(2.0)) + (t_0 ^ single(2.0)))); t_4 = abs(((floor(w) * floor(h)) * t_1)) / sqrt(t_3); t_5 = (t_3 / abs((floor(h) * (floor(w) * t_1)))) > floor(maxAniso); t_6 = (floor(w) * (floor(w) * (dX_46_u * dX_46_u))) + (floor(h) * (floor(h) * (dX_46_v * dX_46_v))); tmp_2 = single(0.0); if (dY_46_u <= single(1.2499999603319032e-20)) tmp_3 = single(0.0); if (t_5) tmp_3 = sqrt(max(t_6, ((floor(w) * (dY_46_u * t_2)) + (exp(single(2.0)) ^ log(t_0))))) / floor(maxAniso); else tmp_3 = t_4; end tmp_2 = log2(tmp_3); else tmp_4 = single(0.0); if (t_5) tmp_4 = sqrt(max(t_6, ((floor(h) * (dY_46_v * t_0)) + (exp(single(2.0)) ^ log(t_2))))) / floor(maxAniso); else tmp_4 = t_4; end tmp_2 = log2(tmp_4); end tmp_5 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {t\_2}^{2} + {t\_0}^{2}\right)\\
t_4 := \frac{\left|\left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot t\_1\right|}{\sqrt{t\_3}}\\
t_5 := \frac{t\_3}{\left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot t\_1\right)\right|} > \left\lfloor maxAniso\right\rfloor \\
t_6 := \left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right) + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\\
\mathbf{if}\;dY.u \leq 1.2499999603319032 \cdot 10^{-20}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_5:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_6, \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_2\right) + {\left(e^{2}\right)}^{\log t\_0}\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;t\_5:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_6, \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_0\right) + {\left(e^{2}\right)}^{\log t\_2}\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}\\
\end{array}
\end{array}
if dY.u < 1.24999996e-20Initial program 81.5%
Simplified81.5%
fabs-mulN/A
associate-/r*N/A
/-lowering-/.f32N/A
Applied egg-rr81.6%
Applied egg-rr81.6%
associate-*r*N/A
unpow2N/A
pow-to-expN/A
*-commutativeN/A
exp-prodN/A
unpow1N/A
pow-to-expN/A
rem-log-expN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
rem-log-expN/A
pow-to-expN/A
unpow1N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3269.1%
Applied egg-rr69.1%
Applied egg-rr68.8%
if 1.24999996e-20 < dY.u Initial program 76.5%
Simplified76.5%
fabs-mulN/A
associate-/r*N/A
/-lowering-/.f32N/A
Applied egg-rr76.6%
associate-*r*N/A
pow2N/A
pow-to-expN/A
*-commutativeN/A
exp-prodN/A
unpow1N/A
pow-to-expN/A
rem-log-expN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
rem-log-expN/A
pow-to-expN/A
unpow1N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3276.4%
Applied egg-rr76.4%
Applied egg-rr76.3%
Applied egg-rr76.3%
Final simplification72.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0))))
(t_1
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(log2
(if (> (/ t_0 t_1) (floor maxAniso))
(/ (pow t_0 0.5) (floor maxAniso))
(/ t_1 (sqrt 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 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f)));
float t_1 = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp;
if ((t_0 / t_1) > floorf(maxAniso)) {
tmp = powf(t_0, 0.5f) / floorf(maxAniso);
} else {
tmp = t_1 / sqrtf(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(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) : ((Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))))) t_1 = abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) tmp = Float32(0.0) if (Float32(t_0 / t_1) > floor(maxAniso)) tmp = Float32((t_0 ^ Float32(0.5)) / floor(maxAniso)); else tmp = Float32(t_1 / sqrt(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 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), (((floor(w) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)))); t_1 = abs((floor(w) * (floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))); tmp = single(0.0); if ((t_0 / t_1) > floor(maxAniso)) tmp = (t_0 ^ single(0.5)) / floor(maxAniso); else tmp = t_1 / sqrt(t_0); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\right)\\
t_1 := \left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_0}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{{t\_0}^{0.5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{t\_0}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.1%
Simplified79.1%
Applied egg-rr79.1%
Applied egg-rr79.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
(+ (pow t_1 2.0) (pow t_2 2.0)))))
(log2
(if (> (/ t_3 (fabs (* (floor h) (* (floor w) t_0)))) (floor maxAniso))
(/
(sqrt
(fmax
(+
(* (floor w) (* (floor w) (* dX.u dX.u)))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(+ (* (floor w) (* dY.u t_1)) (pow (exp 2.0) (log t_2)))))
(floor maxAniso))
(/ (fabs (* (* (floor w) (floor h)) t_0)) (sqrt t_3))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (powf(t_1, 2.0f) + powf(t_2, 2.0f)));
float tmp;
if ((t_3 / fabsf((floorf(h) * (floorf(w) * t_0)))) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(((floorf(w) * (floorf(w) * (dX_46_u * dX_46_u))) + (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), ((floorf(w) * (dY_46_u * t_1)) + powf(expf(2.0f), logf(t_2))))) / floorf(maxAniso);
} else {
tmp = fabsf(((floorf(w) * floorf(h)) * t_0)) / sqrtf(t_3);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = (Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))) tmp = Float32(0.0) if (Float32(t_3 / abs(Float32(floor(h) * Float32(floor(w) * t_0)))) > floor(maxAniso)) tmp = Float32(sqrt(((Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + (exp(Float32(2.0)) ^ log(t_2))) : ((Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + (exp(Float32(2.0)) ^ log(t_2))) != Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + (exp(Float32(2.0)) ^ log(t_2)))) ? Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), Float32(Float32(floor(w) * Float32(dY_46_u * t_1)) + (exp(Float32(2.0)) ^ log(t_2))))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(Float32(floor(w) * floor(h)) * t_0)) / sqrt(t_3)); end return log2(tmp) end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u); t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = max((((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_2 ^ single(2.0)))); tmp = single(0.0); if ((t_3 / abs((floor(h) * (floor(w) * t_0)))) > floor(maxAniso)) tmp = sqrt(max(((floor(w) * (floor(w) * (dX_46_u * dX_46_u))) + (floor(h) * (floor(h) * (dX_46_v * dX_46_v)))), ((floor(w) * (dY_46_u * t_1)) + (exp(single(2.0)) ^ log(t_2))))) / floor(maxAniso); else tmp = abs(((floor(w) * floor(h)) * t_0)) / sqrt(t_3); end tmp_2 = log2(tmp); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {t\_1}^{2} + {t\_2}^{2}\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_3}{\left|\left\lfloor h\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot t\_0\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right) + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right), \left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_1\right) + {\left(e^{2}\right)}^{\log t\_2}\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot t\_0\right|}{\sqrt{t\_3}}\\
\end{array}
\end{array}
\end{array}
Initial program 79.1%
Simplified79.1%
fabs-mulN/A
associate-/r*N/A
/-lowering-/.f32N/A
Applied egg-rr79.1%
Applied egg-rr79.1%
associate-*r*N/A
unpow2N/A
pow-to-expN/A
*-commutativeN/A
exp-prodN/A
unpow1N/A
pow-to-expN/A
rem-log-expN/A
pow-lowering-pow.f32N/A
exp-lowering-exp.f32N/A
rem-log-expN/A
pow-to-expN/A
unpow1N/A
log-lowering-log.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3265.8%
Applied egg-rr65.8%
Applied egg-rr65.7%
Final simplification65.7%
herbie shell --seed 2024191
(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)))))))))