
(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 (* (floor w) (floor h)))
(t_1
(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_2 (- (* dX.u dY.v) (* dX.v dY.u)))
(t_3
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(fma
(floor w)
(* (floor w) (* dY.u dY.u))
(* (* (floor h) (floor h)) (* dY.v dY.v)))))
(t_4 (/ (sqrt t_3) (floor maxAniso)))
(t_5 (/ t_3 (fabs (* (floor h) (* (floor w) t_2)))))
(t_6 (> t_5 (floor maxAniso)))
(t_7 (if t_6 (floor maxAniso) t_5)))
(if (< (if t_6 t_4 (log (pow (exp (fabs (* t_0 t_2))) t_1))) 1.0)
(fmax
1.0
(*
(if t_6 t_4 (* (fabs (* t_0 (fma dX.u dY.v (* dX.v (- dY.u))))) t_1))
t_7))
t_7)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * floorf(h);
float t_1 = 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_2 = (dX_46_u * dY_46_v) - (dX_46_v * dY_46_u);
float t_3 = fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), fmaf(floorf(w), (floorf(w) * (dY_46_u * dY_46_u)), ((floorf(h) * floorf(h)) * (dY_46_v * dY_46_v))));
float t_4 = sqrtf(t_3) / floorf(maxAniso);
float t_5 = t_3 / fabsf((floorf(h) * (floorf(w) * t_2)));
int t_6 = t_5 > floorf(maxAniso);
float tmp;
if (t_6) {
tmp = floorf(maxAniso);
} else {
tmp = t_5;
}
float t_7 = tmp;
float tmp_1;
if (t_6) {
tmp_1 = t_4;
} else {
tmp_1 = logf(powf(expf(fabsf((t_0 * t_2))), t_1));
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_6) {
tmp_4 = t_4;
} else {
tmp_4 = fabsf((t_0 * fmaf(dX_46_u, dY_46_v, (dX_46_v * -dY_46_u)))) * t_1;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * t_7));
} else {
tmp_3 = t_7;
}
return tmp_3;
}
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 = (((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_2 = Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) t_3 = (fma(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)))) != fma(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))))) ? fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(Float32(floor(h) * floor(h)) * Float32(dY_46_v * dY_46_v))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(Float32(floor(h) * floor(h)) * Float32(dY_46_v * dY_46_v))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(Float32(floor(h) * floor(h)) * Float32(dY_46_v * dY_46_v)))) ? fma(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(fma(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)))), fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(Float32(floor(h) * floor(h)) * Float32(dY_46_v * dY_46_v))))) t_4 = Float32(sqrt(t_3) / floor(maxAniso)) t_5 = Float32(t_3 / abs(Float32(floor(h) * Float32(floor(w) * t_2)))) t_6 = t_5 > floor(maxAniso) tmp = Float32(0.0) if (t_6) tmp = floor(maxAniso); else tmp = t_5; end t_7 = tmp tmp_1 = Float32(0.0) if (t_6) tmp_1 = t_4; else tmp_1 = log((exp(abs(Float32(t_0 * t_2))) ^ t_1)); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_6) tmp_4 = t_4; else tmp_4 = Float32(abs(Float32(t_0 * fma(dX_46_u, dY_46_v, Float32(dX_46_v * Float32(-dY_46_u))))) * t_1); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * t_7) : ((Float32(tmp_4 * t_7) != Float32(tmp_4 * t_7)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * t_7))); else tmp_3 = t_7; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\\
t_1 := {\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_2 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_3 := \mathsf{max}\left(\mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\right), \mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dY.u \cdot dY.u\right), \left(\left\lfloorh\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot \left(dY.v \cdot dY.v\right)\right)\right)\\
t_4 := \frac{\sqrt{t_3}}{\left\lfloormaxAniso\right\rfloor}\\
t_5 := \frac{t_3}{\left|\left\lfloorh\right\rfloor \cdot \left(\left\lfloorw\right\rfloor \cdot t_2\right)\right|}\\
t_6 := t_5 > \left\lfloormaxAniso\right\rfloor\\
t_7 := \begin{array}{l}
\mathbf{if}\;t_6:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_5\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t_6:\\
\;\;\;\;t_4\\
\mathbf{else}:\\
\;\;\;\;\log \left({\left(e^{\left|t_0 \cdot t_2\right|}\right)}^{t_1}\right)\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t_6:\\
\;\;\;\;t_4\\
\mathbf{else}:\\
\;\;\;\;\left|t_0 \cdot \mathsf{fma}\left(dX.u, dY.v, dX.v \cdot \left(-dY.u\right)\right)\right| \cdot t_1\\
\end{array} \cdot t_7\right)\\
\mathbf{else}:\\
\;\;\;\;t_7\\
\end{array}
\end{array}
Initial program 97.6%
Simplified97.6%
Applied egg-rr97.6%
Applied egg-rr97.6%
add-log-exp97.6%
exp-prod98.2%
*-commutative98.2%
distribute-rgt-neg-out98.2%
fma-neg98.2%
Applied egg-rr98.2%
Final simplification98.2%
(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 h) dX.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dY.v))
(t_4 (* (floor w) dX.u))
(t_5 (fmax (+ (* t_4 t_4) (* t_1 t_1)) (+ (* t_2 t_2) (* t_3 t_3))))
(t_6 (sqrt t_5))
(t_7 (/ t_6 (floor maxAniso)))
(t_8 (pow (hypot t_4 t_1) 2.0))
(t_9 (fabs (- (* t_3 t_4) (* t_2 t_1))))
(t_10 (/ t_5 t_9))
(t_11 (> t_10 (floor maxAniso)))
(t_12 (if t_11 (floor maxAniso) t_10)))
(if (<
(if (>
(/
(fmax t_8 (pow (hypot t_2 t_3) 2.0))
(* (floor w) (fabs (* (floor h) t_0))))
(floor maxAniso))
t_7
(*
(floor h)
(*
(* (floor w) (fabs t_0))
(pow (fmax t_8 (+ (pow t_3 2.0) (pow t_2 2.0))) -0.5))))
1.0)
(fmax 1.0 (* t_12 (if t_11 t_7 (/ t_9 t_6))))
t_12)))
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(h) * dX_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dY_46_v;
float t_4 = floorf(w) * dX_46_u;
float t_5 = fmaxf(((t_4 * t_4) + (t_1 * t_1)), ((t_2 * t_2) + (t_3 * t_3)));
float t_6 = sqrtf(t_5);
float t_7 = t_6 / floorf(maxAniso);
float t_8 = powf(hypotf(t_4, t_1), 2.0f);
float t_9 = fabsf(((t_3 * t_4) - (t_2 * t_1)));
float t_10 = t_5 / t_9;
int t_11 = t_10 > floorf(maxAniso);
float tmp;
if (t_11) {
tmp = floorf(maxAniso);
} else {
tmp = t_10;
}
float t_12 = tmp;
float tmp_1;
if ((fmaxf(t_8, powf(hypotf(t_2, t_3), 2.0f)) / (floorf(w) * fabsf((floorf(h) * t_0)))) > floorf(maxAniso)) {
tmp_1 = t_7;
} else {
tmp_1 = floorf(h) * ((floorf(w) * fabsf(t_0)) * powf(fmaxf(t_8, (powf(t_3, 2.0f) + powf(t_2, 2.0f))), -0.5f));
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_11) {
tmp_4 = t_7;
} else {
tmp_4 = t_9 / t_6;
}
tmp_3 = fmaxf(1.0f, (t_12 * tmp_4));
} else {
tmp_3 = t_12;
}
return tmp_3;
}
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(h) * dX_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(floor(w) * dX_46_u) t_5 = (Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1)) != Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1))) ? Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) : ((Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) != Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3))) ? Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1)) : max(Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1)), Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)))) t_6 = sqrt(t_5) t_7 = Float32(t_6 / floor(maxAniso)) t_8 = hypot(t_4, t_1) ^ Float32(2.0) t_9 = abs(Float32(Float32(t_3 * t_4) - Float32(t_2 * t_1))) t_10 = Float32(t_5 / t_9) t_11 = t_10 > floor(maxAniso) tmp = Float32(0.0) if (t_11) tmp = floor(maxAniso); else tmp = t_10; end t_12 = tmp tmp_1 = Float32(0.0) if (Float32(((t_8 != t_8) ? (hypot(t_2, t_3) ^ Float32(2.0)) : (((hypot(t_2, t_3) ^ Float32(2.0)) != (hypot(t_2, t_3) ^ Float32(2.0))) ? t_8 : max(t_8, (hypot(t_2, t_3) ^ Float32(2.0))))) / Float32(floor(w) * abs(Float32(floor(h) * t_0)))) > floor(maxAniso)) tmp_1 = t_7; else tmp_1 = Float32(floor(h) * Float32(Float32(floor(w) * abs(t_0)) * (((t_8 != t_8) ? Float32((t_3 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_3 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? t_8 : max(t_8, Float32((t_3 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))))) ^ Float32(-0.5)))); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_11) tmp_4 = t_7; else tmp_4 = Float32(t_9 / t_6); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(t_12 * tmp_4) : ((Float32(t_12 * tmp_4) != Float32(t_12 * tmp_4)) ? Float32(1.0) : max(Float32(1.0), Float32(t_12 * tmp_4))); else tmp_3 = t_12; end return tmp_3 end
function tmp_6 = 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(h) * dX_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(h) * dY_46_v; t_4 = floor(w) * dX_46_u; t_5 = max(((t_4 * t_4) + (t_1 * t_1)), ((t_2 * t_2) + (t_3 * t_3))); t_6 = sqrt(t_5); t_7 = t_6 / floor(maxAniso); t_8 = hypot(t_4, t_1) ^ single(2.0); t_9 = abs(((t_3 * t_4) - (t_2 * t_1))); t_10 = t_5 / t_9; t_11 = t_10 > floor(maxAniso); tmp = single(0.0); if (t_11) tmp = floor(maxAniso); else tmp = t_10; end t_12 = tmp; tmp_2 = single(0.0); if ((max(t_8, (hypot(t_2, t_3) ^ single(2.0))) / (floor(w) * abs((floor(h) * t_0)))) > floor(maxAniso)) tmp_2 = t_7; else tmp_2 = floor(h) * ((floor(w) * abs(t_0)) * (max(t_8, ((t_3 ^ single(2.0)) + (t_2 ^ single(2.0)))) ^ single(-0.5))); end tmp_4 = single(0.0); if (tmp_2 < single(1.0)) tmp_5 = single(0.0); if (t_11) tmp_5 = t_7; else tmp_5 = t_9 / t_6; end tmp_4 = max(single(1.0), (t_12 * tmp_5)); else tmp_4 = t_12; end tmp_6 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot dY.v - dX.v \cdot dY.u\\
t_1 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_4 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_5 := \mathsf{max}\left(t_4 \cdot t_4 + t_1 \cdot t_1, t_2 \cdot t_2 + t_3 \cdot t_3\right)\\
t_6 := \sqrt{t_5}\\
t_7 := \frac{t_6}{\left\lfloormaxAniso\right\rfloor}\\
t_8 := {\left(\mathsf{hypot}\left(t_4, t_1\right)\right)}^{2}\\
t_9 := \left|t_3 \cdot t_4 - t_2 \cdot t_1\right|\\
t_10 := \frac{t_5}{t_9}\\
t_11 := t_10 > \left\lfloormaxAniso\right\rfloor\\
t_12 := \begin{array}{l}
\mathbf{if}\;t_11:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_10\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t_8, {\left(\mathsf{hypot}\left(t_2, t_3\right)\right)}^{2}\right)}{\left\lfloorw\right\rfloor \cdot \left|\left\lfloorh\right\rfloor \cdot t_0\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;t_7\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \left(\left(\left\lfloorw\right\rfloor \cdot \left|t_0\right|\right) \cdot {\left(\mathsf{max}\left(t_8, {t_3}^{2} + {t_2}^{2}\right)\right)}^{-0.5}\right)\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t_12 \cdot \begin{array}{l}
\mathbf{if}\;t_11:\\
\;\;\;\;t_7\\
\mathbf{else}:\\
\;\;\;\;\frac{t_9}{t_6}\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t_12\\
\end{array}
\end{array}
Initial program 97.6%
Taylor expanded in w around 0 97.6%
Simplified97.7%
Applied egg-rr95.7%
expm1-def97.7%
expm1-log1p97.7%
Simplified97.7%
expm1-log1p-u97.6%
expm1-udef97.6%
Applied egg-rr97.7%
Simplified97.7%
Final simplification97.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* (floor h) dX.v))
(t_2
(* (floor w) (fabs (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_3 (* (floor w) dX.u))
(t_4 (pow (floor h) 2.0))
(t_5 (* (floor w) dY.u))
(t_6 (* (floor h) dY.v))
(t_7 (fabs (- (* t_6 t_3) (* t_5 t_1))))
(t_8 (fmax (+ (* t_3 t_3) (* t_1 t_1)) (+ (* t_5 t_5) (* t_6 t_6))))
(t_9 (sqrt t_8))
(t_10 (/ t_8 t_7))
(t_11 (> t_10 (floor maxAniso)))
(t_12 (fmax (pow (hypot t_3 t_1) 2.0) (pow (hypot t_5 t_6) 2.0)))
(t_13 (> (/ t_12 t_2) (floor maxAniso))))
(if (< (if t_13 (/ t_9 (floor maxAniso)) (/ t_2 (sqrt t_12))) 1.0)
(fmax
1.0
(*
(if t_13 (floor maxAniso) t_10)
(if t_11
(/
(sqrt
(fmax
(+ (* (pow dX.u 2.0) t_0) (* (pow dX.v 2.0) t_4))
(+ (* t_0 (pow dY.u 2.0)) (* t_4 (pow dY.v 2.0)))))
(floor maxAniso))
(/ t_7 t_9))))
(if t_11 (floor maxAniso) 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 = powf(floorf(w), 2.0f);
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(w) * fabsf((floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))));
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(floorf(h), 2.0f);
float t_5 = floorf(w) * dY_46_u;
float t_6 = floorf(h) * dY_46_v;
float t_7 = fabsf(((t_6 * t_3) - (t_5 * t_1)));
float t_8 = fmaxf(((t_3 * t_3) + (t_1 * t_1)), ((t_5 * t_5) + (t_6 * t_6)));
float t_9 = sqrtf(t_8);
float t_10 = t_8 / t_7;
int t_11 = t_10 > floorf(maxAniso);
float t_12 = fmaxf(powf(hypotf(t_3, t_1), 2.0f), powf(hypotf(t_5, t_6), 2.0f));
int t_13 = (t_12 / t_2) > floorf(maxAniso);
float tmp;
if (t_13) {
tmp = t_9 / floorf(maxAniso);
} else {
tmp = t_2 / 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 = sqrtf(fmaxf(((powf(dX_46_u, 2.0f) * t_0) + (powf(dX_46_v, 2.0f) * t_4)), ((t_0 * powf(dY_46_u, 2.0f)) + (t_4 * powf(dY_46_v, 2.0f))))) / floorf(maxAniso);
} else {
tmp_5 = t_7 / t_9;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_11) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_10;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(w) * abs(Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_3 = Float32(floor(w) * dX_46_u) t_4 = floor(h) ^ Float32(2.0) t_5 = Float32(floor(w) * dY_46_u) t_6 = Float32(floor(h) * dY_46_v) t_7 = abs(Float32(Float32(t_6 * t_3) - Float32(t_5 * t_1))) t_8 = (Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) != Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1))) ? Float32(Float32(t_5 * t_5) + Float32(t_6 * t_6)) : ((Float32(Float32(t_5 * t_5) + Float32(t_6 * t_6)) != Float32(Float32(t_5 * t_5) + Float32(t_6 * t_6))) ? Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) : max(Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)), Float32(Float32(t_5 * t_5) + Float32(t_6 * t_6)))) t_9 = sqrt(t_8) t_10 = Float32(t_8 / t_7) t_11 = t_10 > floor(maxAniso) t_12 = ((hypot(t_3, t_1) ^ Float32(2.0)) != (hypot(t_3, t_1) ^ Float32(2.0))) ? (hypot(t_5, t_6) ^ Float32(2.0)) : (((hypot(t_5, t_6) ^ Float32(2.0)) != (hypot(t_5, t_6) ^ Float32(2.0))) ? (hypot(t_3, t_1) ^ Float32(2.0)) : max((hypot(t_3, t_1) ^ Float32(2.0)), (hypot(t_5, t_6) ^ Float32(2.0)))) t_13 = Float32(t_12 / t_2) > floor(maxAniso) tmp = Float32(0.0) if (t_13) tmp = Float32(t_9 / floor(maxAniso)); else tmp = Float32(t_2 / 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 = Float32(sqrt(((Float32(Float32((dX_46_u ^ Float32(2.0)) * t_0) + Float32((dX_46_v ^ Float32(2.0)) * t_4)) != Float32(Float32((dX_46_u ^ Float32(2.0)) * t_0) + Float32((dX_46_v ^ Float32(2.0)) * t_4))) ? Float32(Float32(t_0 * (dY_46_u ^ Float32(2.0))) + Float32(t_4 * (dY_46_v ^ Float32(2.0)))) : ((Float32(Float32(t_0 * (dY_46_u ^ Float32(2.0))) + Float32(t_4 * (dY_46_v ^ Float32(2.0)))) != Float32(Float32(t_0 * (dY_46_u ^ Float32(2.0))) + Float32(t_4 * (dY_46_v ^ Float32(2.0))))) ? Float32(Float32((dX_46_u ^ Float32(2.0)) * t_0) + Float32((dX_46_v ^ Float32(2.0)) * t_4)) : max(Float32(Float32((dX_46_u ^ Float32(2.0)) * t_0) + Float32((dX_46_v ^ Float32(2.0)) * t_4)), Float32(Float32(t_0 * (dY_46_u ^ Float32(2.0))) + Float32(t_4 * (dY_46_v ^ Float32(2.0)))))))) / floor(maxAniso)); else tmp_5 = Float32(t_7 / t_9); 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 = t_10; 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(w) ^ single(2.0); t_1 = floor(h) * dX_46_v; t_2 = floor(w) * abs((floor(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))); t_3 = floor(w) * dX_46_u; t_4 = floor(h) ^ single(2.0); t_5 = floor(w) * dY_46_u; t_6 = floor(h) * dY_46_v; t_7 = abs(((t_6 * t_3) - (t_5 * t_1))); t_8 = max(((t_3 * t_3) + (t_1 * t_1)), ((t_5 * t_5) + (t_6 * t_6))); t_9 = sqrt(t_8); t_10 = t_8 / t_7; t_11 = t_10 > floor(maxAniso); t_12 = max((hypot(t_3, t_1) ^ single(2.0)), (hypot(t_5, t_6) ^ single(2.0))); t_13 = (t_12 / t_2) > floor(maxAniso); tmp = single(0.0); if (t_13) tmp = t_9 / floor(maxAniso); else tmp = t_2 / 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 = sqrt(max((((dX_46_u ^ single(2.0)) * t_0) + ((dX_46_v ^ single(2.0)) * t_4)), ((t_0 * (dY_46_u ^ single(2.0))) + (t_4 * (dY_46_v ^ single(2.0)))))) / floor(maxAniso); else tmp_6 = t_7 / t_9; end tmp_4 = max(single(1.0), (tmp_5 * tmp_6)); elseif (t_11) tmp_4 = floor(maxAniso); else tmp_4 = t_10; end tmp_7 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloorw\right\rfloor\right)}^{2}\\
t_1 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_2 := \left\lfloorw\right\rfloor \cdot \left|\left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right|\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := {\left(\left\lfloorh\right\rfloor\right)}^{2}\\
t_5 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_6 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_7 := \left|t_6 \cdot t_3 - t_5 \cdot t_1\right|\\
t_8 := \mathsf{max}\left(t_3 \cdot t_3 + t_1 \cdot t_1, t_5 \cdot t_5 + t_6 \cdot t_6\right)\\
t_9 := \sqrt{t_8}\\
t_10 := \frac{t_8}{t_7}\\
t_11 := t_10 > \left\lfloormaxAniso\right\rfloor\\
t_12 := \mathsf{max}\left({\left(\mathsf{hypot}\left(t_3, t_1\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t_5, t_6\right)\right)}^{2}\right)\\
t_13 := \frac{t_12}{t_2} > \left\lfloormaxAniso\right\rfloor\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t_13:\\
\;\;\;\;\frac{t_9}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t_2}{\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:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left({dX.u}^{2} \cdot t_0 + {dX.v}^{2} \cdot t_4, t_0 \cdot {dY.u}^{2} + t_4 \cdot {dY.v}^{2}\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t_7}{t_9}\\
\end{array}\right)\\
\mathbf{elif}\;t_11:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t_10\\
\end{array}
\end{array}
Initial program 97.6%
expm1-log1p-u97.6%
expm1-udef97.6%
Applied egg-rr97.6%
Simplified97.6%
Applied egg-rr97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
expm1-log1p-u97.6%
expm1-udef97.6%
Applied egg-rr97.6%
Simplified97.6%
Final simplification97.6%
(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) (fabs (* (floor h) (- (* 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) * fabsf((floorf(h) * ((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(floor(w) * abs(Float32(floor(h) * 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) * abs((floor(h) * ((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\lfloorw\right\rfloor \cdot \left|\left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\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 97.6%
expm1-log1p-u97.6%
expm1-udef97.6%
Applied egg-rr97.6%
Simplified97.6%
Applied egg-rr97.6%
Simplified97.6%
expm1-log1p-u97.6%
expm1-udef97.6%
Applied egg-rr97.6%
Simplified97.6%
expm1-log1p-u97.6%
expm1-udef97.6%
Applied egg-rr97.6%
Simplified97.6%
Final simplification97.6%
herbie shell --seed 2023331
(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))))))))