
(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 w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_0) (* t_6 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_0;
} else {
tmp = t_6 * t_4;
}
return 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(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_0); else tmp = Float32(t_6 * t_4); end return 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(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_0; else tmp = t_6 * t_4; end tmp_2 = 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\lfloorw\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 7 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 w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_0) (* t_6 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_0;
} else {
tmp = t_6 * t_4;
}
return 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(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_0); else tmp = Float32(t_6 * t_4); end return 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(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_0; else tmp = t_6 * t_4; end tmp_2 = 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\lfloorw\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot (* (floor w) dY.u) t_0) 2.0))
(t_2 (* dX.u (floor w)))
(t_3 (* dX.v (floor h)))
(t_4 (pow (hypot t_2 t_3) 2.0)))
(if (>= t_4 t_1)
(/ t_3 (sqrt (fmax t_4 t_1)))
(*
t_0
(/
1.0
(sqrt
(fmax
(+ (* t_2 t_2) (* t_3 t_3))
(+ (* (pow (floor w) 2.0) (pow dY.u 2.0)) (* t_0 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 = floorf(h) * dY_46_v;
float t_1 = powf(hypotf((floorf(w) * dY_46_u), t_0), 2.0f);
float t_2 = dX_46_u * floorf(w);
float t_3 = dX_46_v * floorf(h);
float t_4 = powf(hypotf(t_2, t_3), 2.0f);
float tmp;
if (t_4 >= t_1) {
tmp = t_3 / sqrtf(fmaxf(t_4, t_1));
} else {
tmp = t_0 * (1.0f / sqrtf(fmaxf(((t_2 * t_2) + (t_3 * t_3)), ((powf(floorf(w), 2.0f) * powf(dY_46_u, 2.0f)) + (t_0 * t_0)))));
}
return 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 = hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0) t_2 = Float32(dX_46_u * floor(w)) t_3 = Float32(dX_46_v * floor(h)) t_4 = hypot(t_2, t_3) ^ Float32(2.0) tmp = Float32(0.0) if (t_4 >= t_1) tmp = Float32(t_3 / sqrt(((t_4 != t_4) ? t_1 : ((t_1 != t_1) ? t_4 : max(t_4, t_1))))); else tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) != Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3))) ? Float32(Float32((floor(w) ^ Float32(2.0)) * (dY_46_u ^ Float32(2.0))) + Float32(t_0 * t_0)) : ((Float32(Float32((floor(w) ^ Float32(2.0)) * (dY_46_u ^ Float32(2.0))) + Float32(t_0 * t_0)) != Float32(Float32((floor(w) ^ Float32(2.0)) * (dY_46_u ^ Float32(2.0))) + Float32(t_0 * t_0))) ? Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) : max(Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)), Float32(Float32((floor(w) ^ Float32(2.0)) * (dY_46_u ^ Float32(2.0))) + Float32(t_0 * t_0)))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = hypot((floor(w) * dY_46_u), t_0) ^ single(2.0); t_2 = dX_46_u * floor(w); t_3 = dX_46_v * floor(h); t_4 = hypot(t_2, t_3) ^ single(2.0); tmp = single(0.0); if (t_4 >= t_1) tmp = t_3 / sqrt(max(t_4, t_1)); else tmp = t_0 * (single(1.0) / sqrt(max(((t_2 * t_2) + (t_3 * t_3)), (((floor(w) ^ single(2.0)) * (dY_46_u ^ single(2.0))) + (t_0 * t_0))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, t\_0\right)\right)}^{2}\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_4 := {\left(\mathsf{hypot}\left(t\_2, t\_3\right)\right)}^{2}\\
\mathbf{if}\;t\_4 \geq t\_1:\\
\;\;\;\;\frac{t\_3}{\sqrt{\mathsf{max}\left(t\_4, t\_1\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_2 \cdot t\_2 + t\_3 \cdot t\_3, {\left(\left\lfloorw\right\rfloor\right)}^{2} \cdot {dY.u}^{2} + t\_0 \cdot t\_0\right)}}\\
\end{array}
\end{array}
Initial program 77.2%
Applied egg-rr77.3%
Taylor expanded in w around 0 77.3%
Simplified77.3%
Taylor expanded in w around 0 77.3%
*-commutative77.3%
Simplified77.3%
Final simplification77.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (pow (hypot t_0 t_1) 2.0))
(t_3 (* dX.u (floor w)))
(t_4 (* dX.v (floor h)))
(t_5 (pow (hypot t_3 t_4) 2.0)))
(if (>= t_5 t_2)
(/ t_4 (sqrt (fmax t_5 t_2)))
(*
t_1
(/
1.0
(sqrt
(fmax (+ (* t_3 t_3) (* t_4 t_4)) (+ (* t_1 t_1) (* t_0 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 = floorf(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = powf(hypotf(t_0, t_1), 2.0f);
float t_3 = dX_46_u * floorf(w);
float t_4 = dX_46_v * floorf(h);
float t_5 = powf(hypotf(t_3, t_4), 2.0f);
float tmp;
if (t_5 >= t_2) {
tmp = t_4 / sqrtf(fmaxf(t_5, t_2));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf(((t_3 * t_3) + (t_4 * t_4)), ((t_1 * t_1) + (t_0 * t_0)))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = hypot(t_0, t_1) ^ Float32(2.0) t_3 = Float32(dX_46_u * floor(w)) t_4 = Float32(dX_46_v * floor(h)) t_5 = hypot(t_3, t_4) ^ Float32(2.0) tmp = Float32(0.0) if (t_5 >= t_2) tmp = Float32(t_4 / sqrt(((t_5 != t_5) ? t_2 : ((t_2 != t_2) ? t_5 : max(t_5, t_2))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((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_1 * t_1) + Float32(t_0 * t_0)) : ((Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0)) != Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0))) ? Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) : max(Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)), Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0)))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = hypot(t_0, t_1) ^ single(2.0); t_3 = dX_46_u * floor(w); t_4 = dX_46_v * floor(h); t_5 = hypot(t_3, t_4) ^ single(2.0); tmp = single(0.0); if (t_5 >= t_2) tmp = t_4 / sqrt(max(t_5, t_2)); else tmp = t_1 * (single(1.0) / sqrt(max(((t_3 * t_3) + (t_4 * t_4)), ((t_1 * t_1) + (t_0 * t_0))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := {\left(\mathsf{hypot}\left(t\_0, t\_1\right)\right)}^{2}\\
t_3 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_4 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_5 := {\left(\mathsf{hypot}\left(t\_3, t\_4\right)\right)}^{2}\\
\mathbf{if}\;t\_5 \geq t\_2:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_5, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_3 \cdot t\_3 + t\_4 \cdot t\_4, t\_1 \cdot t\_1 + t\_0 \cdot t\_0\right)}}\\
\end{array}
\end{array}
Initial program 77.2%
Applied egg-rr77.3%
Taylor expanded in w around 0 77.3%
Simplified77.3%
Final simplification77.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* dX.u (floor w)))
(t_4
(/
1.0
(pow
(fmax (pow (hypot t_3 t_0) 2.0) (pow (hypot t_2 t_1) 2.0))
0.5))))
(if (>= (+ (* t_3 t_3) (pow t_0 2.0)) (+ (* t_1 t_1) (* t_2 t_2)))
(* t_0 t_4)
(* t_1 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dX_46_v * floorf(h);
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = dX_46_u * floorf(w);
float t_4 = 1.0f / powf(fmaxf(powf(hypotf(t_3, t_0), 2.0f), powf(hypotf(t_2, t_1), 2.0f)), 0.5f);
float tmp;
if (((t_3 * t_3) + powf(t_0, 2.0f)) >= ((t_1 * t_1) + (t_2 * t_2))) {
tmp = t_0 * t_4;
} else {
tmp = t_1 * t_4;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_v * floor(h)) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(dX_46_u * floor(w)) t_4 = Float32(Float32(1.0) / ((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? (hypot(t_2, t_1) ^ Float32(2.0)) : (((hypot(t_2, t_1) ^ Float32(2.0)) != (hypot(t_2, t_1) ^ Float32(2.0))) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), (hypot(t_2, t_1) ^ Float32(2.0))))) ^ Float32(0.5))) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + (t_0 ^ Float32(2.0))) >= Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) tmp = Float32(t_0 * t_4); else tmp = Float32(t_1 * t_4); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = dX_46_v * floor(h); t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = dX_46_u * floor(w); t_4 = single(1.0) / (max((hypot(t_3, t_0) ^ single(2.0)), (hypot(t_2, t_1) ^ single(2.0))) ^ single(0.5)); tmp = single(0.0); if (((t_3 * t_3) + (t_0 ^ single(2.0))) >= ((t_1 * t_1) + (t_2 * t_2))) tmp = t_0 * t_4; else tmp = t_1 * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_4 := \frac{1}{{\left(\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_2, t\_1\right)\right)}^{2}\right)\right)}^{0.5}}\\
\mathbf{if}\;t\_3 \cdot t\_3 + {t\_0}^{2} \geq t\_1 \cdot t\_1 + t\_2 \cdot t\_2:\\
\;\;\;\;t\_0 \cdot t\_4\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot t\_4\\
\end{array}
\end{array}
Initial program 77.2%
pow277.2%
Applied egg-rr77.2%
pow1/277.2%
Applied egg-rr77.2%
pow1/277.2%
Applied egg-rr77.2%
Final simplification77.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* dX.v (floor h)))
(t_2 (* (floor h) dY.v))
(t_3 (* dX.u (floor w)))
(t_4
(*
t_2
(/
1.0
(sqrt
(fmax (+ (* t_3 t_3) (* t_1 t_1)) (+ (* t_2 t_2) (* t_0 t_0)))))))
(t_5 (pow (hypot t_3 t_1) 2.0))
(t_6 (/ t_1 (sqrt (fmax t_5 (pow (hypot t_0 t_2) 2.0))))))
(if (<= dY.u 20000.0)
(if (>= t_5 (pow t_2 2.0)) t_6 t_4)
(if (>= t_5 (pow t_0 2.0)) t_6 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dY_46_u;
float t_1 = dX_46_v * floorf(h);
float t_2 = floorf(h) * dY_46_v;
float t_3 = dX_46_u * floorf(w);
float t_4 = t_2 * (1.0f / sqrtf(fmaxf(((t_3 * t_3) + (t_1 * t_1)), ((t_2 * t_2) + (t_0 * t_0)))));
float t_5 = powf(hypotf(t_3, t_1), 2.0f);
float t_6 = t_1 / sqrtf(fmaxf(t_5, powf(hypotf(t_0, t_2), 2.0f)));
float tmp_1;
if (dY_46_u <= 20000.0f) {
float tmp_2;
if (t_5 >= powf(t_2, 2.0f)) {
tmp_2 = t_6;
} else {
tmp_2 = t_4;
}
tmp_1 = tmp_2;
} else if (t_5 >= powf(t_0, 2.0f)) {
tmp_1 = t_6;
} else {
tmp_1 = t_4;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(dX_46_v * floor(h)) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(dX_46_u * floor(w)) t_4 = Float32(t_2 * Float32(Float32(1.0) / sqrt(((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_2 * t_2) + Float32(t_0 * t_0)) : ((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_1 * t_1)) : max(Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)), Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)))))))) t_5 = hypot(t_3, t_1) ^ Float32(2.0) t_6 = Float32(t_1 / sqrt(((t_5 != t_5) ? (hypot(t_0, t_2) ^ Float32(2.0)) : (((hypot(t_0, t_2) ^ Float32(2.0)) != (hypot(t_0, t_2) ^ Float32(2.0))) ? t_5 : max(t_5, (hypot(t_0, t_2) ^ Float32(2.0))))))) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(20000.0)) tmp_2 = Float32(0.0) if (t_5 >= (t_2 ^ Float32(2.0))) tmp_2 = t_6; else tmp_2 = t_4; end tmp_1 = tmp_2; elseif (t_5 >= (t_0 ^ Float32(2.0))) tmp_1 = t_6; else tmp_1 = t_4; end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = dX_46_v * floor(h); t_2 = floor(h) * dY_46_v; t_3 = dX_46_u * floor(w); t_4 = t_2 * (single(1.0) / sqrt(max(((t_3 * t_3) + (t_1 * t_1)), ((t_2 * t_2) + (t_0 * t_0))))); t_5 = hypot(t_3, t_1) ^ single(2.0); t_6 = t_1 / sqrt(max(t_5, (hypot(t_0, t_2) ^ single(2.0)))); tmp_2 = single(0.0); if (dY_46_u <= single(20000.0)) tmp_3 = single(0.0); if (t_5 >= (t_2 ^ single(2.0))) tmp_3 = t_6; else tmp_3 = t_4; end tmp_2 = tmp_3; elseif (t_5 >= (t_0 ^ single(2.0))) tmp_2 = t_6; else tmp_2 = t_4; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_1 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_3 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_4 := t\_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_3 \cdot t\_3 + t\_1 \cdot t\_1, t\_2 \cdot t\_2 + t\_0 \cdot t\_0\right)}}\\
t_5 := {\left(\mathsf{hypot}\left(t\_3, t\_1\right)\right)}^{2}\\
t_6 := \frac{t\_1}{\sqrt{\mathsf{max}\left(t\_5, {\left(\mathsf{hypot}\left(t\_0, t\_2\right)\right)}^{2}\right)}}\\
\mathbf{if}\;dY.u \leq 20000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_5 \geq {t\_2}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}\\
\mathbf{elif}\;t\_5 \geq {t\_0}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}
\end{array}
if dY.u < 2e4Initial program 77.6%
Applied egg-rr77.7%
Taylor expanded in w around 0 77.7%
Simplified77.7%
Taylor expanded in dY.u around 0 70.9%
*-commutative70.9%
unpow270.9%
unpow270.9%
swap-sqr70.9%
unpow270.9%
Simplified70.9%
if 2e4 < dY.u Initial program 75.7%
Applied egg-rr75.7%
Taylor expanded in w around 0 75.7%
Simplified75.7%
Taylor expanded in dY.u around inf 75.7%
*-commutative75.7%
unpow275.7%
unpow275.7%
swap-sqr75.7%
unpow275.7%
Simplified75.7%
Final simplification71.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* dX.u (floor w)))
(t_2 (* (floor w) dY.u))
(t_3 (* dX.v (floor h)))
(t_4 (pow (hypot t_1 t_3) 2.0)))
(if (>= t_4 (pow t_0 2.0))
(/ t_3 (sqrt (fmax t_4 (pow (hypot t_2 t_0) 2.0))))
(*
t_0
(/
1.0
(sqrt
(fmax (+ (* t_1 t_1) (* t_3 t_3)) (+ (* t_0 t_0) (* t_2 t_2)))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = dX_46_u * floorf(w);
float t_2 = floorf(w) * dY_46_u;
float t_3 = dX_46_v * floorf(h);
float t_4 = powf(hypotf(t_1, t_3), 2.0f);
float tmp;
if (t_4 >= powf(t_0, 2.0f)) {
tmp = t_3 / sqrtf(fmaxf(t_4, powf(hypotf(t_2, t_0), 2.0f)));
} else {
tmp = t_0 * (1.0f / sqrtf(fmaxf(((t_1 * t_1) + (t_3 * t_3)), ((t_0 * t_0) + (t_2 * t_2)))));
}
return 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 = Float32(dX_46_u * floor(w)) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(dX_46_v * floor(h)) t_4 = hypot(t_1, t_3) ^ Float32(2.0) tmp = Float32(0.0) if (t_4 >= (t_0 ^ Float32(2.0))) tmp = Float32(t_3 / sqrt(((t_4 != t_4) ? (hypot(t_2, t_0) ^ Float32(2.0)) : (((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? t_4 : max(t_4, (hypot(t_2, t_0) ^ Float32(2.0))))))); else tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)) != Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3))) ? Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)) : ((Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)) != Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2))) ? Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)) : max(Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)), Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = dX_46_u * floor(w); t_2 = floor(w) * dY_46_u; t_3 = dX_46_v * floor(h); t_4 = hypot(t_1, t_3) ^ single(2.0); tmp = single(0.0); if (t_4 >= (t_0 ^ single(2.0))) tmp = t_3 / sqrt(max(t_4, (hypot(t_2, t_0) ^ single(2.0)))); else tmp = t_0 * (single(1.0) / sqrt(max(((t_1 * t_1) + (t_3 * t_3)), ((t_0 * t_0) + (t_2 * t_2))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_4 := {\left(\mathsf{hypot}\left(t\_1, t\_3\right)\right)}^{2}\\
\mathbf{if}\;t\_4 \geq {t\_0}^{2}:\\
\;\;\;\;\frac{t\_3}{\sqrt{\mathsf{max}\left(t\_4, {\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_1 \cdot t\_1 + t\_3 \cdot t\_3, t\_0 \cdot t\_0 + t\_2 \cdot t\_2\right)}}\\
\end{array}
\end{array}
Initial program 77.2%
Applied egg-rr77.3%
Taylor expanded in w around 0 77.3%
Simplified77.3%
Taylor expanded in dY.u around 0 67.0%
*-commutative67.0%
unpow267.0%
unpow267.0%
swap-sqr67.0%
unpow267.0%
Simplified67.0%
Final simplification67.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (pow t_1 2.0))
(t_3 (* dX.u (floor w)))
(t_4 (* dX.v (floor h)))
(t_5
(*
t_1
(/
1.0
(sqrt
(fmax (+ (* t_3 t_3) (* t_4 t_4)) (+ (* t_1 t_1) (* t_0 t_0)))))))
(t_6
(/
t_4
(sqrt (fmax (pow (hypot t_3 t_4) 2.0) (pow (hypot t_0 t_1) 2.0))))))
(if (<= dX.u 40000000000.0)
(if (>= (pow t_4 2.0) t_2) t_6 t_5)
(if (>= (pow t_3 2.0) t_2) 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(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = powf(t_1, 2.0f);
float t_3 = dX_46_u * floorf(w);
float t_4 = dX_46_v * floorf(h);
float t_5 = t_1 * (1.0f / sqrtf(fmaxf(((t_3 * t_3) + (t_4 * t_4)), ((t_1 * t_1) + (t_0 * t_0)))));
float t_6 = t_4 / sqrtf(fmaxf(powf(hypotf(t_3, t_4), 2.0f), powf(hypotf(t_0, t_1), 2.0f)));
float tmp_1;
if (dX_46_u <= 40000000000.0f) {
float tmp_2;
if (powf(t_4, 2.0f) >= t_2) {
tmp_2 = t_6;
} else {
tmp_2 = t_5;
}
tmp_1 = tmp_2;
} else if (powf(t_3, 2.0f) >= t_2) {
tmp_1 = t_6;
} else {
tmp_1 = t_5;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = t_1 ^ Float32(2.0) t_3 = Float32(dX_46_u * floor(w)) t_4 = Float32(dX_46_v * floor(h)) t_5 = Float32(t_1 * Float32(Float32(1.0) / sqrt(((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_1 * t_1) + Float32(t_0 * t_0)) : ((Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0)) != Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0))) ? Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) : max(Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)), Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0)))))))) t_6 = Float32(t_4 / sqrt((((hypot(t_3, t_4) ^ Float32(2.0)) != (hypot(t_3, t_4) ^ Float32(2.0))) ? (hypot(t_0, t_1) ^ Float32(2.0)) : (((hypot(t_0, t_1) ^ Float32(2.0)) != (hypot(t_0, t_1) ^ Float32(2.0))) ? (hypot(t_3, t_4) ^ Float32(2.0)) : max((hypot(t_3, t_4) ^ Float32(2.0)), (hypot(t_0, t_1) ^ Float32(2.0))))))) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(40000000000.0)) tmp_2 = Float32(0.0) if ((t_4 ^ Float32(2.0)) >= t_2) tmp_2 = t_6; else tmp_2 = t_5; end tmp_1 = tmp_2; elseif ((t_3 ^ Float32(2.0)) >= t_2) tmp_1 = t_6; else tmp_1 = t_5; end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = t_1 ^ single(2.0); t_3 = dX_46_u * floor(w); t_4 = dX_46_v * floor(h); t_5 = t_1 * (single(1.0) / sqrt(max(((t_3 * t_3) + (t_4 * t_4)), ((t_1 * t_1) + (t_0 * t_0))))); t_6 = t_4 / sqrt(max((hypot(t_3, t_4) ^ single(2.0)), (hypot(t_0, t_1) ^ single(2.0)))); tmp_2 = single(0.0); if (dX_46_u <= single(40000000000.0)) tmp_3 = single(0.0); if ((t_4 ^ single(2.0)) >= t_2) tmp_3 = t_6; else tmp_3 = t_5; end tmp_2 = tmp_3; elseif ((t_3 ^ single(2.0)) >= t_2) tmp_2 = t_6; else tmp_2 = t_5; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := {t\_1}^{2}\\
t_3 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_4 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_5 := t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_3 \cdot t\_3 + t\_4 \cdot t\_4, t\_1 \cdot t\_1 + t\_0 \cdot t\_0\right)}}\\
t_6 := \frac{t\_4}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_4\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_0, t\_1\right)\right)}^{2}\right)}}\\
\mathbf{if}\;dX.u \leq 40000000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_4}^{2} \geq t\_2:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{elif}\;{t\_3}^{2} \geq t\_2:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
if dX.u < 4e10Initial program 80.4%
Applied egg-rr80.5%
Taylor expanded in w around 0 80.5%
Simplified80.5%
Taylor expanded in dY.u around 0 68.4%
*-commutative68.4%
unpow268.4%
unpow268.4%
swap-sqr68.4%
unpow268.4%
Simplified68.4%
Taylor expanded in dX.u around 0 69.5%
*-commutative69.5%
unpow269.5%
unpow269.5%
swap-sqr69.5%
unpow269.5%
*-commutative69.5%
Simplified69.5%
if 4e10 < dX.u Initial program 59.1%
Applied egg-rr59.2%
Taylor expanded in w around 0 59.2%
Simplified59.2%
Taylor expanded in dY.u around 0 59.2%
*-commutative59.2%
unpow259.2%
unpow259.2%
swap-sqr59.2%
unpow259.2%
Simplified59.2%
Taylor expanded in dX.u around inf 59.2%
*-commutative59.2%
unpow259.2%
unpow259.2%
swap-sqr59.2%
unpow259.2%
*-commutative59.2%
Simplified59.2%
Final simplification67.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* dX.v (floor h)))
(t_2 (* dX.u (floor w)))
(t_3 (* (floor w) dY.u)))
(if (>= (pow t_2 2.0) (pow t_0 2.0))
(/ t_1 (sqrt (fmax (pow (hypot t_2 t_1) 2.0) (pow (hypot t_3 t_0) 2.0))))
(*
t_0
(/
1.0
(sqrt
(fmax (+ (* t_2 t_2) (* t_1 t_1)) (+ (* t_0 t_0) (* t_3 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) * dY_46_v;
float t_1 = dX_46_v * floorf(h);
float t_2 = dX_46_u * floorf(w);
float t_3 = floorf(w) * dY_46_u;
float tmp;
if (powf(t_2, 2.0f) >= powf(t_0, 2.0f)) {
tmp = t_1 / sqrtf(fmaxf(powf(hypotf(t_2, t_1), 2.0f), powf(hypotf(t_3, t_0), 2.0f)));
} else {
tmp = t_0 * (1.0f / sqrtf(fmaxf(((t_2 * t_2) + (t_1 * t_1)), ((t_0 * t_0) + (t_3 * t_3)))));
}
return 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 = Float32(dX_46_v * floor(h)) t_2 = Float32(dX_46_u * floor(w)) t_3 = Float32(floor(w) * dY_46_u) tmp = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= (t_0 ^ Float32(2.0))) tmp = Float32(t_1 / sqrt((((hypot(t_2, t_1) ^ Float32(2.0)) != (hypot(t_2, t_1) ^ Float32(2.0))) ? (hypot(t_3, t_0) ^ Float32(2.0)) : (((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? (hypot(t_2, t_1) ^ Float32(2.0)) : max((hypot(t_2, t_1) ^ Float32(2.0)), (hypot(t_3, t_0) ^ Float32(2.0))))))); else tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((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_0 * t_0) + Float32(t_3 * t_3)) : ((Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) != Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3))) ? 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_0 * t_0) + Float32(t_3 * t_3)))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = dX_46_v * floor(h); t_2 = dX_46_u * floor(w); t_3 = floor(w) * dY_46_u; tmp = single(0.0); if ((t_2 ^ single(2.0)) >= (t_0 ^ single(2.0))) tmp = t_1 / sqrt(max((hypot(t_2, t_1) ^ single(2.0)), (hypot(t_3, t_0) ^ single(2.0)))); else tmp = t_0 * (single(1.0) / sqrt(max(((t_2 * t_2) + (t_1 * t_1)), ((t_0 * t_0) + (t_3 * t_3))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := \left\lfloorw\right\rfloor \cdot dY.u\\
\mathbf{if}\;{t\_2}^{2} \geq {t\_0}^{2}:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, t\_1\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_2 \cdot t\_2 + t\_1 \cdot t\_1, t\_0 \cdot t\_0 + t\_3 \cdot t\_3\right)}}\\
\end{array}
\end{array}
Initial program 77.2%
Applied egg-rr77.3%
Taylor expanded in w around 0 77.3%
Simplified77.3%
Taylor expanded in dY.u around 0 67.0%
*-commutative67.0%
unpow267.0%
unpow267.0%
swap-sqr67.0%
unpow267.0%
Simplified67.0%
Taylor expanded in dX.u around inf 59.6%
*-commutative59.6%
unpow259.6%
unpow259.6%
swap-sqr59.6%
unpow259.6%
*-commutative59.6%
Simplified59.6%
Final simplification59.6%
herbie shell --seed 2024044
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (line direction, v)"
: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 (>= (+ (* (* (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 (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 h) dX.v)) (* (/ 1.0 (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 h) dY.v))))