
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_1) (* t_0 t_2))))
(t_7 (/ t_4 t_6))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_5 (floor maxAniso)) (/ t_6 t_5)))
(t_10 (if t_8 (floor maxAniso) t_7)))
(if (< t_9 1.0) (fmax 1.0 (* t_10 t_9)) t_10)))
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(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_1) - (t_0 * t_2)));
float t_7 = t_4 / t_6;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
float t_9 = tmp;
float tmp_1;
if (t_8) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_7;
}
float t_10 = tmp_1;
float tmp_2;
if (t_9 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_10 * t_9));
} else {
tmp_2 = t_10;
}
return tmp_2;
}
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(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) 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_2 * t_2) + Float32(t_1 * t_1)) : ((Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) != Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) ? 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_2 * t_2) + Float32(t_1 * t_1)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_1) - Float32(t_0 * t_2))) t_7 = Float32(t_4 / t_6) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end t_9 = tmp tmp_1 = Float32(0.0) if (t_8) tmp_1 = floor(maxAniso); else tmp_1 = t_7; end t_10 = tmp_1 tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_10 * t_9) : ((Float32(t_10 * t_9) != Float32(t_10 * t_9)) ? Float32(1.0) : max(Float32(1.0), Float32(t_10 * t_9))); else tmp_2 = t_10; end return tmp_2 end
function tmp_4 = 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(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_1) - (t_0 * t_2))); t_7 = t_4 / t_6; t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end t_9 = tmp; tmp_2 = single(0.0); if (t_8) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end t_10 = tmp_2; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_3 = max(single(1.0), (t_10 * t_9)); else tmp_3 = t_10; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t_3 \cdot t_3 + t_0 \cdot t_0, t_2 \cdot t_2 + t_1 \cdot t_1\right)\\
t_5 := \sqrt{t_4}\\
t_6 := \left|t_3 \cdot t_1 - t_0 \cdot t_2\right|\\
t_7 := \frac{t_4}{t_6}\\
t_8 := t_7 > \left\lfloormaxAniso\right\rfloor\\
t_9 := \begin{array}{l}
\mathbf{if}\;t_8:\\
\;\;\;\;\frac{t_5}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t_6}{t_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t_8:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_7\\
\end{array}\\
\mathbf{if}\;t_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t_10 \cdot t_9\right)\\
\mathbf{else}:\\
\;\;\;\;t_10\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 4 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 h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_1) (* t_0 t_2))))
(t_7 (/ t_4 t_6))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_5 (floor maxAniso)) (/ t_6 t_5)))
(t_10 (if t_8 (floor maxAniso) t_7)))
(if (< t_9 1.0) (fmax 1.0 (* t_10 t_9)) t_10)))
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(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_1) - (t_0 * t_2)));
float t_7 = t_4 / t_6;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
float t_9 = tmp;
float tmp_1;
if (t_8) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_7;
}
float t_10 = tmp_1;
float tmp_2;
if (t_9 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_10 * t_9));
} else {
tmp_2 = t_10;
}
return tmp_2;
}
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(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) 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_2 * t_2) + Float32(t_1 * t_1)) : ((Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) != Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) ? 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_2 * t_2) + Float32(t_1 * t_1)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_1) - Float32(t_0 * t_2))) t_7 = Float32(t_4 / t_6) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end t_9 = tmp tmp_1 = Float32(0.0) if (t_8) tmp_1 = floor(maxAniso); else tmp_1 = t_7; end t_10 = tmp_1 tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_10 * t_9) : ((Float32(t_10 * t_9) != Float32(t_10 * t_9)) ? Float32(1.0) : max(Float32(1.0), Float32(t_10 * t_9))); else tmp_2 = t_10; end return tmp_2 end
function tmp_4 = 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(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_1) - (t_0 * t_2))); t_7 = t_4 / t_6; t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end t_9 = tmp; tmp_2 = single(0.0); if (t_8) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end t_10 = tmp_2; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_3 = max(single(1.0), (t_10 * t_9)); else tmp_3 = t_10; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t_3 \cdot t_3 + t_0 \cdot t_0, t_2 \cdot t_2 + t_1 \cdot t_1\right)\\
t_5 := \sqrt{t_4}\\
t_6 := \left|t_3 \cdot t_1 - t_0 \cdot t_2\right|\\
t_7 := \frac{t_4}{t_6}\\
t_8 := t_7 > \left\lfloormaxAniso\right\rfloor\\
t_9 := \begin{array}{l}
\mathbf{if}\;t_8:\\
\;\;\;\;\frac{t_5}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t_6}{t_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t_8:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_7\\
\end{array}\\
\mathbf{if}\;t_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t_10 \cdot t_9\right)\\
\mathbf{else}:\\
\;\;\;\;t_10\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(pow
(fmax
(pow (hypot (* (floor w) dX.u) (* (floor h) dX.v)) 2.0)
(pow (hypot (* (floor w) dY.u) (* (floor h) dY.v)) 2.0))
-0.5))
(t_1 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_2
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (* (floor h) (floor h)) (* dX.v dX.v)))
(fma
(floor h)
(* (floor h) (* dY.v dY.v))
(* (floor w) (* (floor w) (* dY.u dY.u))))))
(t_3 (/ (sqrt t_2) (floor maxAniso)))
(t_4 (/ t_2 (fabs (* (floor h) (* (floor w) t_1)))))
(t_5 (> t_4 (floor maxAniso)))
(t_6 (if t_5 (floor maxAniso) t_4)))
(if (<
(if t_5
t_3
(log (pow (exp (fabs (* (* (floor w) (floor h)) t_1))) t_0)))
1.0)
(fmax
1.0
(*
(if t_5
t_3
(*
t_0
(fabs
(* (floor h) (* (floor w) (fma dX.u dY.v (* dX.v (- dY.u))))))))
t_6))
t_6)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(fmaxf(powf(hypotf((floorf(w) * dX_46_u), (floorf(h) * dX_46_v)), 2.0f), powf(hypotf((floorf(w) * dY_46_u), (floorf(h) * dY_46_v)), 2.0f)), -0.5f);
float t_1 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_2 = fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), ((floorf(h) * floorf(h)) * (dX_46_v * dX_46_v))), fmaf(floorf(h), (floorf(h) * (dY_46_v * dY_46_v)), (floorf(w) * (floorf(w) * (dY_46_u * dY_46_u)))));
float t_3 = sqrtf(t_2) / floorf(maxAniso);
float t_4 = t_2 / fabsf((floorf(h) * (floorf(w) * t_1)));
int t_5 = t_4 > floorf(maxAniso);
float tmp;
if (t_5) {
tmp = floorf(maxAniso);
} else {
tmp = t_4;
}
float t_6 = tmp;
float tmp_1;
if (t_5) {
tmp_1 = t_3;
} else {
tmp_1 = logf(powf(expf(fabsf(((floorf(w) * floorf(h)) * t_1))), t_0));
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_5) {
tmp_4 = t_3;
} else {
tmp_4 = t_0 * fabsf((floorf(h) * (floorf(w) * fmaf(dX_46_u, dY_46_v, (dX_46_v * -dY_46_u)))));
}
tmp_3 = fmaxf(1.0f, (tmp_4 * t_6));
} else {
tmp_3 = t_6;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (((hypot(Float32(floor(w) * dX_46_u), Float32(floor(h) * dX_46_v)) ^ Float32(2.0)) != (hypot(Float32(floor(w) * dX_46_u), Float32(floor(h) * dX_46_v)) ^ Float32(2.0))) ? (hypot(Float32(floor(w) * dY_46_u), Float32(floor(h) * dY_46_v)) ^ Float32(2.0)) : (((hypot(Float32(floor(w) * dY_46_u), Float32(floor(h) * dY_46_v)) ^ Float32(2.0)) != (hypot(Float32(floor(w) * dY_46_u), Float32(floor(h) * dY_46_v)) ^ Float32(2.0))) ? (hypot(Float32(floor(w) * dX_46_u), Float32(floor(h) * dX_46_v)) ^ Float32(2.0)) : max((hypot(Float32(floor(w) * dX_46_u), Float32(floor(h) * dX_46_v)) ^ Float32(2.0)), (hypot(Float32(floor(w) * dY_46_u), Float32(floor(h) * dY_46_v)) ^ Float32(2.0))))) ^ Float32(-0.5) t_1 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_2 = (fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(Float32(floor(h) * floor(h)) * Float32(dX_46_v * dX_46_v))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(Float32(floor(h) * floor(h)) * Float32(dX_46_v * dX_46_v)))) ? fma(floor(h), Float32(floor(h) * Float32(dY_46_v * dY_46_v)), Float32(floor(w) * Float32(floor(w) * Float32(dY_46_u * dY_46_u)))) : ((fma(floor(h), Float32(floor(h) * Float32(dY_46_v * dY_46_v)), Float32(floor(w) * Float32(floor(w) * Float32(dY_46_u * dY_46_u)))) != fma(floor(h), Float32(floor(h) * Float32(dY_46_v * dY_46_v)), Float32(floor(w) * Float32(floor(w) * Float32(dY_46_u * dY_46_u))))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(Float32(floor(h) * floor(h)) * Float32(dX_46_v * dX_46_v))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(Float32(floor(h) * floor(h)) * Float32(dX_46_v * dX_46_v))), fma(floor(h), Float32(floor(h) * Float32(dY_46_v * dY_46_v)), Float32(floor(w) * Float32(floor(w) * Float32(dY_46_u * dY_46_u)))))) t_3 = Float32(sqrt(t_2) / floor(maxAniso)) t_4 = Float32(t_2 / abs(Float32(floor(h) * Float32(floor(w) * t_1)))) t_5 = t_4 > floor(maxAniso) tmp = Float32(0.0) if (t_5) tmp = floor(maxAniso); else tmp = t_4; end t_6 = tmp tmp_1 = Float32(0.0) if (t_5) tmp_1 = t_3; else tmp_1 = log((exp(abs(Float32(Float32(floor(w) * floor(h)) * t_1))) ^ t_0)); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_5) tmp_4 = t_3; else tmp_4 = Float32(t_0 * abs(Float32(floor(h) * Float32(floor(w) * fma(dX_46_u, dY_46_v, Float32(dX_46_v * Float32(-dY_46_u))))))); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * t_6) : ((Float32(tmp_4 * t_6) != Float32(tmp_4 * t_6)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * t_6))); else tmp_3 = t_6; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\mathsf{max}\left({\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dX.u, \left\lfloorh\right\rfloor \cdot dX.v\right)\right)}^{2}, {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, \left\lfloorh\right\rfloor \cdot dY.v\right)\right)}^{2}\right)\right)}^{-0.5}\\
t_1 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_2 := \mathsf{max}\left(\mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left(\left\lfloorh\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot \left(dX.v \cdot dX.v\right)\right), \mathsf{fma}\left(\left\lfloorh\right\rfloor, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot dY.v\right), \left\lfloorw\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot \left(dY.u \cdot dY.u\right)\right)\right)\right)\\
t_3 := \frac{\sqrt{t_2}}{\left\lfloormaxAniso\right\rfloor}\\
t_4 := \frac{t_2}{\left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot t_1\right)\right|}\\
t_5 := t_4 > \left\lfloormaxAniso\right\rfloor\\
t_6 := \begin{array}{l}
\mathbf{if}\;t_5:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_4\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t_5:\\
\;\;\;\;t_3\\
\mathbf{else}:\\
\;\;\;\;\log \left({\left(e^{\left|\left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot t_1\right|}\right)}^{t_0}\right)\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t_5:\\
\;\;\;\;t_3\\
\mathbf{else}:\\
\;\;\;\;t_0 \cdot \left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot \mathsf{fma}\left(dX.u, dY.v, dX.v \cdot \left(-dY.u\right)\right)\right)\right|\\
\end{array} \cdot t_6\right)\\
\mathbf{else}:\\
\;\;\;\;t_6\\
\end{array}
\end{array}
Initial program 98.0%
Simplified98.0%
Applied egg-rr98.0%
Applied egg-rr98.0%
Applied egg-rr98.4%
Final simplification98.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (fabs (- (* dX.u dY.v) (* dX.v dY.u))))
(t_1 (* (floor h) dX.v))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dY.v))
(t_5 (fabs (- (* t_4 t_2) (* t_3 t_1))))
(t_6 (fmax (+ (* t_2 t_2) (* t_1 t_1)) (+ (* t_3 t_3) (* t_4 t_4))))
(t_7 (sqrt t_6))
(t_8 (/ t_7 (floor maxAniso)))
(t_9 (/ t_6 t_5))
(t_10 (> t_9 (floor maxAniso)))
(t_11 (fmax (pow (hypot t_2 t_1) 2.0) (pow (hypot t_3 t_4) 2.0)))
(t_12 (> (/ t_11 (* (* (floor w) (floor h)) t_0)) (floor maxAniso))))
(if (<
(if t_12 t_8 (* (floor h) (* (pow t_11 -0.5) (* (floor w) t_0))))
1.0)
(fmax 1.0 (* (if t_12 (floor maxAniso) t_9) (if t_10 t_8 (/ t_5 t_7))))
(if t_10 (floor maxAniso) t_9))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf(((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)));
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * dY_46_v;
float t_5 = fabsf(((t_4 * t_2) - (t_3 * t_1)));
float t_6 = fmaxf(((t_2 * t_2) + (t_1 * t_1)), ((t_3 * t_3) + (t_4 * t_4)));
float t_7 = sqrtf(t_6);
float t_8 = t_7 / floorf(maxAniso);
float t_9 = t_6 / t_5;
int t_10 = t_9 > floorf(maxAniso);
float t_11 = fmaxf(powf(hypotf(t_2, t_1), 2.0f), powf(hypotf(t_3, t_4), 2.0f));
int t_12 = (t_11 / ((floorf(w) * floorf(h)) * t_0)) > floorf(maxAniso);
float tmp;
if (t_12) {
tmp = t_8;
} else {
tmp = floorf(h) * (powf(t_11, -0.5f) * (floorf(w) * t_0));
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_12) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_9;
}
float tmp_5;
if (t_10) {
tmp_5 = t_8;
} else {
tmp_5 = t_5 / t_7;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_10) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_9;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * dY_46_v) t_5 = abs(Float32(Float32(t_4 * t_2) - Float32(t_3 * t_1))) t_6 = (Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) != Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) ? Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) : ((Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) != Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4))) ? Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) : max(Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)), Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)))) t_7 = sqrt(t_6) t_8 = Float32(t_7 / floor(maxAniso)) t_9 = Float32(t_6 / t_5) t_10 = t_9 > floor(maxAniso) t_11 = ((hypot(t_2, t_1) ^ Float32(2.0)) != (hypot(t_2, t_1) ^ Float32(2.0))) ? (hypot(t_3, t_4) ^ Float32(2.0)) : (((hypot(t_3, t_4) ^ Float32(2.0)) != (hypot(t_3, t_4) ^ Float32(2.0))) ? (hypot(t_2, t_1) ^ Float32(2.0)) : max((hypot(t_2, t_1) ^ Float32(2.0)), (hypot(t_3, t_4) ^ Float32(2.0)))) t_12 = Float32(t_11 / Float32(Float32(floor(w) * floor(h)) * t_0)) > floor(maxAniso) tmp = Float32(0.0) if (t_12) tmp = t_8; else tmp = Float32(floor(h) * Float32((t_11 ^ Float32(-0.5)) * Float32(floor(w) * t_0))); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_12) tmp_4 = floor(maxAniso); else tmp_4 = t_9; end tmp_5 = Float32(0.0) if (t_10) tmp_5 = t_8; else tmp_5 = Float32(t_5 / t_7); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_10) tmp_3 = floor(maxAniso); else tmp_3 = t_9; end return tmp_3 end
function tmp_7 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))); t_1 = floor(h) * dX_46_v; t_2 = floor(w) * dX_46_u; t_3 = floor(w) * dY_46_u; t_4 = floor(h) * dY_46_v; t_5 = abs(((t_4 * t_2) - (t_3 * t_1))); t_6 = max(((t_2 * t_2) + (t_1 * t_1)), ((t_3 * t_3) + (t_4 * t_4))); t_7 = sqrt(t_6); t_8 = t_7 / floor(maxAniso); t_9 = t_6 / t_5; t_10 = t_9 > floor(maxAniso); t_11 = max((hypot(t_2, t_1) ^ single(2.0)), (hypot(t_3, t_4) ^ single(2.0))); t_12 = (t_11 / ((floor(w) * floor(h)) * t_0)) > floor(maxAniso); tmp = single(0.0); if (t_12) tmp = t_8; else tmp = floor(h) * ((t_11 ^ single(-0.5)) * (floor(w) * t_0)); end tmp_4 = single(0.0); if (tmp < single(1.0)) tmp_5 = single(0.0); if (t_12) tmp_5 = floor(maxAniso); else tmp_5 = t_9; end tmp_6 = single(0.0); if (t_10) tmp_6 = t_8; else tmp_6 = t_5 / t_7; end tmp_4 = max(single(1.0), (tmp_5 * tmp_6)); elseif (t_10) tmp_4 = floor(maxAniso); else tmp_4 = t_9; end tmp_7 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|dX.u \cdot dY.v - dX.v \cdot dY.u\right|\\
t_1 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := \left|t_4 \cdot t_2 - t_3 \cdot t_1\right|\\
t_6 := \mathsf{max}\left(t_2 \cdot t_2 + t_1 \cdot t_1, t_3 \cdot t_3 + t_4 \cdot t_4\right)\\
t_7 := \sqrt{t_6}\\
t_8 := \frac{t_7}{\left\lfloormaxAniso\right\rfloor}\\
t_9 := \frac{t_6}{t_5}\\
t_10 := t_9 > \left\lfloormaxAniso\right\rfloor\\
t_11 := \mathsf{max}\left({\left(\mathsf{hypot}\left(t_2, t_1\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t_3, t_4\right)\right)}^{2}\right)\\
t_12 := \frac{t_11}{\left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot t_0} > \left\lfloormaxAniso\right\rfloor\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t_12:\\
\;\;\;\;t_8\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \left({t_11}^{-0.5} \cdot \left(\left\lfloorw\right\rfloor \cdot t_0\right)\right)\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t_12:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_9\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t_10:\\
\;\;\;\;t_8\\
\mathbf{else}:\\
\;\;\;\;\frac{t_5}{t_7}\\
\end{array}\right)\\
\mathbf{elif}\;t_10:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_9\\
\end{array}
\end{array}
Initial program 98.0%
div-inv98.0%
associate-*l*98.0%
pow1/298.0%
Applied egg-rr98.0%
Simplified98.3%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.3%
Simplified98.3%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.3%
Simplified98.3%
Final simplification98.3%
(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) (floor h)) (fabs (- (* dX.u dY.v) (* dX.v dY.u)))))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dY.v))
(t_5 (fmax (+ (* t_2 t_2) (* t_0 t_0)) (+ (* t_3 t_3) (* t_4 t_4))))
(t_6 (sqrt t_5))
(t_7 (/ t_6 (floor maxAniso)))
(t_8 (* t_4 t_2))
(t_9 (fabs (- t_8 (* t_3 t_0))))
(t_10 (/ t_5 t_9))
(t_11 (> t_10 (floor maxAniso)))
(t_12 (fmax (pow (hypot t_2 t_0) 2.0) (pow (hypot t_3 t_4) 2.0)))
(t_13 (> (/ t_12 t_1) (floor maxAniso))))
(if (< (if t_13 t_7 (/ t_1 (sqrt t_12))) 1.0)
(fmax 1.0 (* (if t_13 (floor maxAniso) t_10) (if t_11 t_7 (/ t_9 t_6))))
(if t_11
(floor maxAniso)
(* t_12 (/ 1.0 (fabs (- t_8 (* (floor h) (* dX.v 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 = floorf(h) * dX_46_v;
float t_1 = (floorf(w) * floorf(h)) * fabsf(((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)));
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * dY_46_v;
float t_5 = fmaxf(((t_2 * t_2) + (t_0 * t_0)), ((t_3 * t_3) + (t_4 * t_4)));
float t_6 = sqrtf(t_5);
float t_7 = t_6 / floorf(maxAniso);
float t_8 = t_4 * t_2;
float t_9 = fabsf((t_8 - (t_3 * t_0)));
float t_10 = t_5 / t_9;
int t_11 = t_10 > floorf(maxAniso);
float t_12 = fmaxf(powf(hypotf(t_2, t_0), 2.0f), powf(hypotf(t_3, t_4), 2.0f));
int t_13 = (t_12 / t_1) > floorf(maxAniso);
float tmp;
if (t_13) {
tmp = t_7;
} else {
tmp = t_1 / sqrtf(t_12);
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_13) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_10;
}
float tmp_5;
if (t_11) {
tmp_5 = t_7;
} else {
tmp_5 = t_9 / t_6;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_11) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_12 * (1.0f / fabsf((t_8 - (floorf(h) * (dX_46_v * t_3)))));
}
return tmp_3;
}
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(Float32(floor(w) * floor(h)) * abs(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)))) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * dY_46_v) t_5 = (Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) != Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0))) ? Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) : ((Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) != Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4))) ? Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) : max(Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)), Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)))) t_6 = sqrt(t_5) t_7 = Float32(t_6 / floor(maxAniso)) t_8 = Float32(t_4 * t_2) t_9 = abs(Float32(t_8 - Float32(t_3 * t_0))) t_10 = Float32(t_5 / t_9) t_11 = t_10 > floor(maxAniso) t_12 = ((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? (hypot(t_3, t_4) ^ Float32(2.0)) : (((hypot(t_3, t_4) ^ Float32(2.0)) != (hypot(t_3, t_4) ^ Float32(2.0))) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), (hypot(t_3, t_4) ^ Float32(2.0)))) t_13 = Float32(t_12 / t_1) > floor(maxAniso) tmp = Float32(0.0) if (t_13) tmp = t_7; else tmp = Float32(t_1 / sqrt(t_12)); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_13) tmp_4 = floor(maxAniso); else tmp_4 = t_10; end tmp_5 = Float32(0.0) if (t_11) tmp_5 = t_7; else tmp_5 = Float32(t_9 / t_6); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_11) tmp_3 = floor(maxAniso); else tmp_3 = Float32(t_12 * Float32(Float32(1.0) / abs(Float32(t_8 - Float32(floor(h) * Float32(dX_46_v * t_3)))))); end return tmp_3 end
function tmp_7 = 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) * floor(h)) * abs(((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))); t_2 = floor(w) * dX_46_u; t_3 = floor(w) * dY_46_u; t_4 = floor(h) * dY_46_v; t_5 = max(((t_2 * t_2) + (t_0 * t_0)), ((t_3 * t_3) + (t_4 * t_4))); t_6 = sqrt(t_5); t_7 = t_6 / floor(maxAniso); t_8 = t_4 * t_2; t_9 = abs((t_8 - (t_3 * t_0))); t_10 = t_5 / t_9; t_11 = t_10 > floor(maxAniso); t_12 = max((hypot(t_2, t_0) ^ single(2.0)), (hypot(t_3, t_4) ^ single(2.0))); t_13 = (t_12 / t_1) > floor(maxAniso); tmp = single(0.0); if (t_13) tmp = t_7; else tmp = t_1 / sqrt(t_12); end tmp_4 = single(0.0); if (tmp < single(1.0)) tmp_5 = single(0.0); if (t_13) tmp_5 = floor(maxAniso); else tmp_5 = t_10; end tmp_6 = single(0.0); if (t_11) tmp_6 = t_7; else tmp_6 = t_9 / t_6; end tmp_4 = max(single(1.0), (tmp_5 * tmp_6)); elseif (t_11) tmp_4 = floor(maxAniso); else tmp_4 = t_12 * (single(1.0) / abs((t_8 - (floor(h) * (dX_46_v * t_3))))); end tmp_7 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot \left|dX.u \cdot dY.v - dX.v \cdot dY.u\right|\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := \mathsf{max}\left(t_2 \cdot t_2 + t_0 \cdot t_0, t_3 \cdot t_3 + t_4 \cdot t_4\right)\\
t_6 := \sqrt{t_5}\\
t_7 := \frac{t_6}{\left\lfloormaxAniso\right\rfloor}\\
t_8 := t_4 \cdot t_2\\
t_9 := \left|t_8 - t_3 \cdot t_0\right|\\
t_10 := \frac{t_5}{t_9}\\
t_11 := t_10 > \left\lfloormaxAniso\right\rfloor\\
t_12 := \mathsf{max}\left({\left(\mathsf{hypot}\left(t_2, t_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t_3, t_4\right)\right)}^{2}\right)\\
t_13 := \frac{t_12}{t_1} > \left\lfloormaxAniso\right\rfloor\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t_13:\\
\;\;\;\;t_7\\
\mathbf{else}:\\
\;\;\;\;\frac{t_1}{\sqrt{t_12}}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t_13:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_10\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t_11:\\
\;\;\;\;t_7\\
\mathbf{else}:\\
\;\;\;\;\frac{t_9}{t_6}\\
\end{array}\right)\\
\mathbf{elif}\;t_11:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_12 \cdot \frac{1}{\left|t_8 - \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t_3\right)\right|}\\
\end{array}
\end{array}
Initial program 98.0%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.0%
Simplified98.0%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.0%
Simplified98.0%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.0%
Simplified98.0%
div-inv97.9%
Applied egg-rr98.0%
Final simplification98.0%
(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) (floor h)) (fabs (- (* dX.u dY.v) (* dX.v dY.u)))))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dY.v))
(t_5 (fmax (+ (* t_2 t_2) (* t_0 t_0)) (+ (* t_3 t_3) (* t_4 t_4))))
(t_6 (sqrt t_5))
(t_7 (/ t_6 (floor maxAniso)))
(t_8 (fabs (- (* t_4 t_2) (* t_3 t_0))))
(t_9 (/ t_5 t_8))
(t_10 (> t_9 (floor maxAniso)))
(t_11 (fmax (pow (hypot t_2 t_0) 2.0) (pow (hypot t_3 t_4) 2.0)))
(t_12 (/ t_11 t_1))
(t_13 (> t_12 (floor maxAniso))))
(if (< (if t_13 t_7 (/ t_1 (sqrt t_11))) 1.0)
(fmax 1.0 (* (if t_10 t_7 (/ t_8 t_6)) (if t_13 (floor maxAniso) t_12)))
(if t_10 (floor maxAniso) t_9))))
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) * floorf(h)) * fabsf(((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)));
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * dY_46_v;
float t_5 = fmaxf(((t_2 * t_2) + (t_0 * t_0)), ((t_3 * t_3) + (t_4 * t_4)));
float t_6 = sqrtf(t_5);
float t_7 = t_6 / floorf(maxAniso);
float t_8 = fabsf(((t_4 * t_2) - (t_3 * t_0)));
float t_9 = t_5 / t_8;
int t_10 = t_9 > floorf(maxAniso);
float t_11 = fmaxf(powf(hypotf(t_2, t_0), 2.0f), powf(hypotf(t_3, t_4), 2.0f));
float t_12 = t_11 / t_1;
int t_13 = t_12 > floorf(maxAniso);
float tmp;
if (t_13) {
tmp = t_7;
} else {
tmp = t_1 / sqrtf(t_11);
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_10) {
tmp_4 = t_7;
} else {
tmp_4 = t_8 / t_6;
}
float tmp_5;
if (t_13) {
tmp_5 = floorf(maxAniso);
} else {
tmp_5 = t_12;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_10) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_9;
}
return tmp_3;
}
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(Float32(floor(w) * floor(h)) * abs(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)))) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * dY_46_v) t_5 = (Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) != Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0))) ? Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) : ((Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) != Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4))) ? Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) : max(Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)), Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)))) t_6 = sqrt(t_5) t_7 = Float32(t_6 / floor(maxAniso)) t_8 = abs(Float32(Float32(t_4 * t_2) - Float32(t_3 * t_0))) t_9 = Float32(t_5 / t_8) t_10 = t_9 > floor(maxAniso) t_11 = ((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? (hypot(t_3, t_4) ^ Float32(2.0)) : (((hypot(t_3, t_4) ^ Float32(2.0)) != (hypot(t_3, t_4) ^ Float32(2.0))) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), (hypot(t_3, t_4) ^ Float32(2.0)))) t_12 = Float32(t_11 / t_1) t_13 = t_12 > floor(maxAniso) tmp = Float32(0.0) if (t_13) tmp = t_7; else tmp = Float32(t_1 / sqrt(t_11)); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_10) tmp_4 = t_7; else tmp_4 = Float32(t_8 / t_6); end tmp_5 = Float32(0.0) if (t_13) tmp_5 = floor(maxAniso); else tmp_5 = t_12; end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_10) tmp_3 = floor(maxAniso); else tmp_3 = t_9; end return tmp_3 end
function tmp_7 = 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) * floor(h)) * abs(((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))); t_2 = floor(w) * dX_46_u; t_3 = floor(w) * dY_46_u; t_4 = floor(h) * dY_46_v; t_5 = max(((t_2 * t_2) + (t_0 * t_0)), ((t_3 * t_3) + (t_4 * t_4))); t_6 = sqrt(t_5); t_7 = t_6 / floor(maxAniso); t_8 = abs(((t_4 * t_2) - (t_3 * t_0))); t_9 = t_5 / t_8; t_10 = t_9 > floor(maxAniso); t_11 = max((hypot(t_2, t_0) ^ single(2.0)), (hypot(t_3, t_4) ^ single(2.0))); t_12 = t_11 / t_1; t_13 = t_12 > floor(maxAniso); tmp = single(0.0); if (t_13) tmp = t_7; else tmp = t_1 / sqrt(t_11); end tmp_4 = single(0.0); if (tmp < single(1.0)) tmp_5 = single(0.0); if (t_10) tmp_5 = t_7; else tmp_5 = t_8 / t_6; end tmp_6 = single(0.0); if (t_13) tmp_6 = floor(maxAniso); else tmp_6 = t_12; end tmp_4 = max(single(1.0), (tmp_5 * tmp_6)); elseif (t_10) tmp_4 = floor(maxAniso); else tmp_4 = t_9; end tmp_7 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot \left|dX.u \cdot dY.v - dX.v \cdot dY.u\right|\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := \mathsf{max}\left(t_2 \cdot t_2 + t_0 \cdot t_0, t_3 \cdot t_3 + t_4 \cdot t_4\right)\\
t_6 := \sqrt{t_5}\\
t_7 := \frac{t_6}{\left\lfloormaxAniso\right\rfloor}\\
t_8 := \left|t_4 \cdot t_2 - t_3 \cdot t_0\right|\\
t_9 := \frac{t_5}{t_8}\\
t_10 := t_9 > \left\lfloormaxAniso\right\rfloor\\
t_11 := \mathsf{max}\left({\left(\mathsf{hypot}\left(t_2, t_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t_3, t_4\right)\right)}^{2}\right)\\
t_12 := \frac{t_11}{t_1}\\
t_13 := t_12 > \left\lfloormaxAniso\right\rfloor\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t_13:\\
\;\;\;\;t_7\\
\mathbf{else}:\\
\;\;\;\;\frac{t_1}{\sqrt{t_11}}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t_10:\\
\;\;\;\;t_7\\
\mathbf{else}:\\
\;\;\;\;\frac{t_8}{t_6}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t_13:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_12\\
\end{array}\right)\\
\mathbf{elif}\;t_10:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_9\\
\end{array}
\end{array}
Initial program 98.0%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.0%
Simplified98.0%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.0%
Simplified98.0%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.0%
Simplified98.0%
expm1-log1p-u98.0%
expm1-udef98.0%
Applied egg-rr98.0%
Simplified98.0%
Final simplification98.0%
herbie shell --seed 2023300
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (ratio of anisotropy)"
: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))
(if (< (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))))))) 1.0) (fmax 1.0 (* (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)) (floor maxAniso) (/ (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)))))) (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))))))))) (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)) (floor maxAniso) (/ (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))))))))