
(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\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
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\_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\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{t\_5}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 6 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\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
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\_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\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{t\_5}{\left\lfloormaxAniso\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
(sqrt
(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_1 (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u))))))
(log2
(if (>
(fabs
(/
(fmax
(pow (hypot (* dX.v (floor h)) (* dX.u (floor w))) 2.0)
(pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
t_1))
(floor maxAniso))
(/ t_0 (floor maxAniso))
(/ (fabs t_1) t_0)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = sqrtf(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_1 = floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)));
float tmp;
if (fabsf((fmaxf(powf(hypotf((dX_46_v * floorf(h)), (dX_46_u * floorf(w))), 2.0f), powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f)) / t_1)) > floorf(maxAniso)) {
tmp = t_0 / floorf(maxAniso);
} else {
tmp = fabsf(t_1) / t_0;
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = sqrt(((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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) t_1 = 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 (abs(Float32((((hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)) != (hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0))) ? (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) : (((hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0))) ? (hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)) : max((hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)), (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0))))) / t_1)) > floor(maxAniso)) tmp = Float32(t_0 / floor(maxAniso)); else tmp = Float32(abs(t_1) / t_0); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt{\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\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)\right)}\\
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)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\left|\frac{\mathsf{max}\left({\left(\mathsf{hypot}\left(dX.v \cdot \left\lfloorh\right\rfloor, dX.u \cdot \left\lfloorw\right\rfloor\right)\right)}^{2}, {\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dY.v, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\right)}{t\_1}\right| > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{t\_0}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|t\_1\right|}{t\_0}\\
\end{array}
\end{array}
\end{array}
Initial program 77.6%
Simplified77.6%
Applied egg-rr46.8%
Applied egg-rr77.6%
unpow277.6%
rem-sqrt-square77.6%
*-commutative77.6%
*-commutative77.6%
Simplified77.6%
Final simplification77.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (floor w) 2.0))
(t_2 (* dX.v (floor h)))
(t_3 (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(log2
(if (>
(/
(fmax
(pow (hypot t_2 (* dX.u (floor w))) 2.0)
(pow (hypot t_0 (* (floor w) dY.u)) 2.0))
(fabs (* (floor w) t_3)))
(floor maxAniso))
(/
(sqrt
(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))))))
(floor maxAniso))
(*
(floor w)
(*
t_3
(pow
(fmax
(+ (* t_1 (pow dX.u 2.0)) (pow t_2 2.0))
(+ (* t_1 (pow dY.u 2.0)) (exp (* 2.0 (log t_0)))))
-0.5)))))))
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) * dY_46_v;
float t_1 = powf(floorf(w), 2.0f);
float t_2 = dX_46_v * floorf(h);
float t_3 = floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u));
float tmp;
if ((fmaxf(powf(hypotf(t_2, (dX_46_u * floorf(w))), 2.0f), powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f)) / fabsf((floorf(w) * t_3))) > floorf(maxAniso)) {
tmp = sqrtf(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)))))) / floorf(maxAniso);
} else {
tmp = floorf(w) * (t_3 * powf(fmaxf(((t_1 * powf(dX_46_u, 2.0f)) + powf(t_2, 2.0f)), ((t_1 * powf(dY_46_u, 2.0f)) + expf((2.0f * logf(t_0))))), -0.5f));
}
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) * dY_46_v) t_1 = floor(w) ^ Float32(2.0) t_2 = Float32(dX_46_v * floor(h)) t_3 = Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))) tmp = Float32(0.0) if (Float32((((hypot(t_2, Float32(dX_46_u * floor(w))) ^ Float32(2.0)) != (hypot(t_2, Float32(dX_46_u * floor(w))) ^ Float32(2.0))) ? (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) : (((hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) != (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0))) ? (hypot(t_2, Float32(dX_46_u * floor(w))) ^ Float32(2.0)) : max((hypot(t_2, Float32(dX_46_u * floor(w))) ^ Float32(2.0)), (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0))))) / abs(Float32(floor(w) * t_3))) > floor(maxAniso)) tmp = Float32(sqrt(((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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) / floor(maxAniso)); else tmp = Float32(floor(w) * Float32(t_3 * (((Float32(Float32(t_1 * (dX_46_u ^ Float32(2.0))) + (t_2 ^ Float32(2.0))) != Float32(Float32(t_1 * (dX_46_u ^ Float32(2.0))) + (t_2 ^ Float32(2.0)))) ? Float32(Float32(t_1 * (dY_46_u ^ Float32(2.0))) + exp(Float32(Float32(2.0) * log(t_0)))) : ((Float32(Float32(t_1 * (dY_46_u ^ Float32(2.0))) + exp(Float32(Float32(2.0) * log(t_0)))) != Float32(Float32(t_1 * (dY_46_u ^ Float32(2.0))) + exp(Float32(Float32(2.0) * log(t_0))))) ? Float32(Float32(t_1 * (dX_46_u ^ Float32(2.0))) + (t_2 ^ Float32(2.0))) : max(Float32(Float32(t_1 * (dX_46_u ^ Float32(2.0))) + (t_2 ^ Float32(2.0))), Float32(Float32(t_1 * (dY_46_u ^ Float32(2.0))) + exp(Float32(Float32(2.0) * log(t_0))))))) ^ Float32(-0.5)))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloorw\right\rfloor\right)}^{2}\\
t_2 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_3 := \left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, dX.u \cdot \left\lfloorw\right\rfloor\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_0, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\right)}{\left|\left\lfloorw\right\rfloor \cdot t\_3\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{\sqrt{\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\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorw\right\rfloor \cdot \left(t\_3 \cdot {\left(\mathsf{max}\left(t\_1 \cdot {dX.u}^{2} + {t\_2}^{2}, t\_1 \cdot {dY.u}^{2} + e^{2 \cdot \log t\_0}\right)\right)}^{-0.5}\right)\\
\end{array}
\end{array}
\end{array}
Initial program 77.6%
Simplified77.6%
Applied egg-rr75.6%
add-exp-log75.6%
log-pow75.8%
*-commutative75.8%
Applied egg-rr75.8%
Taylor expanded in w around 0 75.8%
Simplified75.8%
Final simplification75.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (pow (floor w) 2.0))
(t_3 (* dX.v (floor h)))
(t_4 (pow (hypot t_3 t_0) 2.0))
(t_5
(fmax
(+ (* t_2 (pow dX.u 2.0)) (pow t_3 2.0))
(+ (* t_2 (pow dY.u 2.0)) t_1)))
(t_6
(/
(sqrt
(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))))))
(floor maxAniso)))
(t_7
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))))
(if (<= dY.u -3.9999998989515007e-5)
(log2
(if (> (/ (fmax t_4 t_1) (* dY.v (* (floor h) t_0))) (floor maxAniso))
t_6
(/ t_7 (pow (pow t_5 0.25) 2.0))))
(log2
(if (>
(/
(fmax t_4 (pow (* (floor w) dY.u) 2.0))
(* (* (floor w) (* (floor h) dY.u)) (- dX.v)))
(floor maxAniso))
t_6
(/ t_7 (pow t_5 0.5)))))))
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 = dX_46_u * floorf(w);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = dX_46_v * floorf(h);
float t_4 = powf(hypotf(t_3, t_0), 2.0f);
float t_5 = fmaxf(((t_2 * powf(dX_46_u, 2.0f)) + powf(t_3, 2.0f)), ((t_2 * powf(dY_46_u, 2.0f)) + t_1));
float t_6 = sqrtf(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)))))) / floorf(maxAniso);
float t_7 = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float tmp_1;
if (dY_46_u <= -3.9999998989515007e-5f) {
float tmp_2;
if ((fmaxf(t_4, t_1) / (dY_46_v * (floorf(h) * t_0))) > floorf(maxAniso)) {
tmp_2 = t_6;
} else {
tmp_2 = t_7 / powf(powf(t_5, 0.25f), 2.0f);
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_4, powf((floorf(w) * dY_46_u), 2.0f)) / ((floorf(w) * (floorf(h) * dY_46_u)) * -dX_46_v)) > floorf(maxAniso)) {
tmp_3 = t_6;
} else {
tmp_3 = t_7 / powf(t_5, 0.5f);
}
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(dX_46_u * floor(w)) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(dX_46_v * floor(h)) t_4 = hypot(t_3, t_0) ^ Float32(2.0) t_5 = (Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))) != Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0)))) ? Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1) : ((Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1) != Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1)) ? Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))) : max(Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))), Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1))) t_6 = Float32(sqrt(((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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) / floor(maxAniso)) t_7 = abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-3.9999998989515007e-5)) tmp_2 = Float32(0.0) if (Float32(((t_4 != t_4) ? t_1 : ((t_1 != t_1) ? t_4 : max(t_4, t_1))) / Float32(dY_46_v * Float32(floor(h) * t_0))) > floor(maxAniso)) tmp_2 = t_6; else tmp_2 = Float32(t_7 / ((t_5 ^ Float32(0.25)) ^ Float32(2.0))); end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(((t_4 != t_4) ? (Float32(floor(w) * dY_46_u) ^ Float32(2.0)) : (((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) != (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) ? t_4 : max(t_4, (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) / Float32(Float32(floor(w) * Float32(floor(h) * dY_46_u)) * Float32(-dX_46_v))) > floor(maxAniso)) tmp_3 = t_6; else tmp_3 = Float32(t_7 / (t_5 ^ Float32(0.5))); end tmp_1 = log2(tmp_3); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_1 := {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := {\left(\left\lfloorw\right\rfloor\right)}^{2}\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_4 := {\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}\\
t_5 := \mathsf{max}\left(t\_2 \cdot {dX.u}^{2} + {t\_3}^{2}, t\_2 \cdot {dY.u}^{2} + t\_1\right)\\
t_6 := \frac{\sqrt{\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\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
t_7 := \left|\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
\mathbf{if}\;dY.u \leq -3.9999998989515007 \cdot 10^{-5}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_1\right)}{dY.v \cdot \left(\left\lfloorh\right\rfloor \cdot t\_0\right)} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{{\left({t\_5}^{0.25}\right)}^{2}}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2}\right)}{\left(\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot dY.u\right)\right) \cdot \left(-dX.v\right)} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{{t\_5}^{0.5}}\\
\end{array}\\
\end{array}
\end{array}
if dY.u < -3.9999999e-5Initial program 80.3%
Simplified80.3%
Applied egg-rr46.0%
Taylor expanded in dX.u around inf 51.3%
Simplified51.3%
Taylor expanded in dY.v around inf 50.2%
*-commutative50.2%
unpow250.2%
unpow250.2%
swap-sqr50.2%
unpow250.2%
Simplified50.2%
Applied egg-rr50.2%
if -3.9999999e-5 < dY.u Initial program 76.5%
Simplified76.5%
Applied egg-rr47.0%
Taylor expanded in dX.u around 0 49.4%
Simplified49.4%
Taylor expanded in dY.v around 0 49.4%
*-commutative49.4%
unpow249.4%
unpow249.4%
swap-sqr49.4%
unpow249.4%
Simplified49.4%
Applied egg-rr49.4%
Final simplification49.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fmax
(pow (hypot (* dX.v (floor h)) (* dX.u (floor w))) 2.0)
(pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0)))
(t_1 (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(log2
(if (> (/ t_0 (fabs (* (floor w) t_1))) (floor maxAniso))
(/
(sqrt
(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))))))
(floor maxAniso))
(* (floor w) (* t_1 (pow t_0 -0.5)))))))
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 = fmaxf(powf(hypotf((dX_46_v * floorf(h)), (dX_46_u * floorf(w))), 2.0f), powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f));
float t_1 = floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u));
float tmp;
if ((t_0 / fabsf((floorf(w) * t_1))) > floorf(maxAniso)) {
tmp = sqrtf(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)))))) / floorf(maxAniso);
} else {
tmp = floorf(w) * (t_1 * powf(t_0, -0.5f));
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = ((hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)) != (hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0))) ? (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) : (((hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0))) ? (hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)) : max((hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0)), (hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0)))) t_1 = 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 / abs(Float32(floor(w) * t_1))) > floor(maxAniso)) tmp = Float32(sqrt(((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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) / floor(maxAniso)); else tmp = Float32(floor(w) * Float32(t_1 * (t_0 ^ Float32(-0.5)))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{max}\left({\left(\mathsf{hypot}\left(dX.v \cdot \left\lfloorh\right\rfloor, dX.u \cdot \left\lfloorw\right\rfloor\right)\right)}^{2}, {\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dY.v, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\right)\\
t_1 := \left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{t\_0}{\left|\left\lfloorw\right\rfloor \cdot t\_1\right|} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{\sqrt{\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\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorw\right\rfloor \cdot \left(t\_1 \cdot {t\_0}^{-0.5}\right)\\
\end{array}
\end{array}
\end{array}
Initial program 77.6%
Simplified77.6%
Applied egg-rr75.6%
add-exp-log75.6%
log-pow75.8%
*-commutative75.8%
Applied egg-rr75.8%
Taylor expanded in w around 0 75.8%
Simplified75.8%
Applied egg-rr75.7%
*-lft-identity75.7%
Simplified75.7%
Final simplification75.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (pow (floor w) 2.0))
(t_3 (* dX.v (floor h)))
(t_4 (pow (hypot t_3 t_0) 2.0))
(t_5
(/
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(pow
(fmax
(+ (* t_2 (pow dX.u 2.0)) (pow t_3 2.0))
(+ (* t_2 (pow dY.u 2.0)) t_1))
0.5)))
(t_6
(/
(sqrt
(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))))))
(floor maxAniso))))
(if (<= dY.u -3.9999998989515007e-5)
(log2
(if (> (/ (fmax t_4 t_1) (* dY.v (* (floor h) t_0))) (floor maxAniso))
t_6
t_5))
(log2
(if (>
(/
(fmax t_4 (pow (* (floor w) dY.u) 2.0))
(* (* (floor w) (* (floor h) dY.u)) (- dX.v)))
(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 = dX_46_u * floorf(w);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = dX_46_v * floorf(h);
float t_4 = powf(hypotf(t_3, t_0), 2.0f);
float t_5 = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / powf(fmaxf(((t_2 * powf(dX_46_u, 2.0f)) + powf(t_3, 2.0f)), ((t_2 * powf(dY_46_u, 2.0f)) + t_1)), 0.5f);
float t_6 = sqrtf(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)))))) / floorf(maxAniso);
float tmp_1;
if (dY_46_u <= -3.9999998989515007e-5f) {
float tmp_2;
if ((fmaxf(t_4, t_1) / (dY_46_v * (floorf(h) * t_0))) > floorf(maxAniso)) {
tmp_2 = t_6;
} else {
tmp_2 = t_5;
}
tmp_1 = log2f(tmp_2);
} else {
float tmp_3;
if ((fmaxf(t_4, powf((floorf(w) * dY_46_u), 2.0f)) / ((floorf(w) * (floorf(h) * dY_46_u)) * -dX_46_v)) > floorf(maxAniso)) {
tmp_3 = t_6;
} else {
tmp_3 = t_5;
}
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(dX_46_u * floor(w)) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(dX_46_v * floor(h)) t_4 = hypot(t_3, t_0) ^ Float32(2.0) t_5 = Float32(abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) / (((Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))) != Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0)))) ? Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1) : ((Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1) != Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1)) ? Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))) : max(Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))), Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1)))) ^ Float32(0.5))) t_6 = Float32(sqrt(((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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) / floor(maxAniso)) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-3.9999998989515007e-5)) tmp_2 = Float32(0.0) if (Float32(((t_4 != t_4) ? t_1 : ((t_1 != t_1) ? t_4 : max(t_4, t_1))) / Float32(dY_46_v * Float32(floor(h) * t_0))) > floor(maxAniso)) tmp_2 = t_6; else tmp_2 = t_5; end tmp_1 = log2(tmp_2); else tmp_3 = Float32(0.0) if (Float32(((t_4 != t_4) ? (Float32(floor(w) * dY_46_u) ^ Float32(2.0)) : (((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) != (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) ? t_4 : max(t_4, (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) / Float32(Float32(floor(w) * Float32(floor(h) * dY_46_u)) * Float32(-dX_46_v))) > floor(maxAniso)) tmp_3 = t_6; else tmp_3 = t_5; end tmp_1 = log2(tmp_3); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_1 := {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := {\left(\left\lfloorw\right\rfloor\right)}^{2}\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_4 := {\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}\\
t_5 := \frac{\left|\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|}{{\left(\mathsf{max}\left(t\_2 \cdot {dX.u}^{2} + {t\_3}^{2}, t\_2 \cdot {dY.u}^{2} + t\_1\right)\right)}^{0.5}}\\
t_6 := \frac{\sqrt{\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\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{if}\;dY.u \leq -3.9999998989515007 \cdot 10^{-5}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, t\_1\right)}{dY.v \cdot \left(\left\lfloorh\right\rfloor \cdot t\_0\right)} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_4, {\left(\left\lfloorw\right\rfloor \cdot dY.u\right)}^{2}\right)}{\left(\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot dY.u\right)\right) \cdot \left(-dX.v\right)} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\end{array}
\end{array}
if dY.u < -3.9999999e-5Initial program 80.3%
Simplified80.3%
Applied egg-rr46.0%
Taylor expanded in dX.u around inf 51.3%
Simplified51.3%
Taylor expanded in dY.v around inf 50.2%
*-commutative50.2%
unpow250.2%
unpow250.2%
swap-sqr50.2%
unpow250.2%
Simplified50.2%
Applied egg-rr50.2%
if -3.9999999e-5 < dY.u Initial program 76.5%
Simplified76.5%
Applied egg-rr47.0%
Taylor expanded in dX.u around 0 49.4%
Simplified49.4%
Taylor expanded in dY.v around 0 49.4%
*-commutative49.4%
unpow249.4%
unpow249.4%
swap-sqr49.4%
unpow249.4%
Simplified49.4%
Applied egg-rr49.4%
Final simplification49.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (pow (floor w) 2.0))
(t_3 (* dX.v (floor h))))
(log2
(if (>
(/ (fmax (pow (hypot t_3 t_0) 2.0) t_1) (* dY.v (* (floor h) t_0)))
(floor maxAniso))
(/
(sqrt
(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))))))
(floor maxAniso))
(/
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u)))))
(pow
(fmax
(+ (* t_2 (pow dX.u 2.0)) (pow t_3 2.0))
(+ (* t_2 (pow dY.u 2.0)) t_1))
0.5))))))
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 = dX_46_u * floorf(w);
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = dX_46_v * floorf(h);
float tmp;
if ((fmaxf(powf(hypotf(t_3, t_0), 2.0f), t_1) / (dY_46_v * (floorf(h) * t_0))) > floorf(maxAniso)) {
tmp = sqrtf(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)))))) / floorf(maxAniso);
} else {
tmp = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))))) / powf(fmaxf(((t_2 * powf(dX_46_u, 2.0f)) + powf(t_3, 2.0f)), ((t_2 * powf(dY_46_u, 2.0f)) + t_1)), 0.5f);
}
return log2f(tmp);
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_u * floor(w)) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(dX_46_v * floor(h)) tmp = Float32(0.0) if (Float32((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), t_1))) / Float32(dY_46_v * Float32(floor(h) * t_0))) > floor(maxAniso)) tmp = Float32(sqrt(((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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(floor(h) * Float32(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(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) / floor(maxAniso)); else tmp = Float32(abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) / (((Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))) != Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0)))) ? Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1) : ((Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1) != Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1)) ? Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))) : max(Float32(Float32(t_2 * (dX_46_u ^ Float32(2.0))) + (t_3 ^ Float32(2.0))), Float32(Float32(t_2 * (dY_46_u ^ Float32(2.0))) + t_1)))) ^ Float32(0.5))); end return log2(tmp) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_1 := {\left(\left\lfloorh\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := {\left(\left\lfloorw\right\rfloor\right)}^{2}\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
\log_{2} \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}, t\_1\right)}{dY.v \cdot \left(\left\lfloorh\right\rfloor \cdot t\_0\right)} > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\frac{\sqrt{\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\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)\right)}}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left\lfloorw\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|}{{\left(\mathsf{max}\left(t\_2 \cdot {dX.u}^{2} + {t\_3}^{2}, t\_2 \cdot {dY.u}^{2} + t\_1\right)\right)}^{0.5}}\\
\end{array}
\end{array}
\end{array}
Initial program 77.6%
Simplified77.6%
Applied egg-rr46.8%
Taylor expanded in dX.u around inf 46.1%
Simplified46.1%
Taylor expanded in dY.v around inf 45.5%
*-commutative45.5%
unpow245.5%
unpow245.5%
swap-sqr45.5%
unpow245.5%
Simplified45.5%
Applied egg-rr45.5%
Final simplification45.5%
herbie shell --seed 2024092
(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)))))))))