
(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_2) (* t_6 t_1))))
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_2;
} else {
tmp = t_6 * t_1;
}
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_2); else tmp = Float32(t_6 * t_1); 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_2; else tmp = t_6 * t_1; 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\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\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 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_2) (* t_6 t_1))))
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_2;
} else {
tmp = t_6 * t_1;
}
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_2); else tmp = Float32(t_6 * t_1); 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_2; else tmp = t_6 * t_1; 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\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\end{array}
\end{array}
(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_3
(sqrt
(fmax
(fma t_3 t_3 (* t_4 t_4))
(fma t_0 t_0 (* (floor h) (* dY.v t_1))))))
(/ t_0 (sqrt (fmax t_5 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(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_3 / sqrtf(fmaxf(fmaf(t_3, t_3, (t_4 * t_4)), fmaf(t_0, t_0, (floorf(h) * (dY_46_v * t_1)))));
} else {
tmp = t_0 / sqrtf(fmaxf(t_5, 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(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_3 / sqrt(((fma(t_3, t_3, Float32(t_4 * t_4)) != fma(t_3, t_3, Float32(t_4 * t_4))) ? fma(t_0, t_0, Float32(floor(h) * Float32(dY_46_v * t_1))) : ((fma(t_0, t_0, Float32(floor(h) * Float32(dY_46_v * t_1))) != fma(t_0, t_0, Float32(floor(h) * Float32(dY_46_v * t_1)))) ? fma(t_3, t_3, Float32(t_4 * t_4)) : max(fma(t_3, t_3, Float32(t_4 * t_4)), fma(t_0, t_0, Float32(floor(h) * Float32(dY_46_v * t_1)))))))); else tmp = Float32(t_0 / sqrt(((t_5 != t_5) ? t_2 : ((t_2 != t_2) ? t_5 : max(t_5, t_2))))); end return 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\_3}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(t\_3, t\_3, t\_4 \cdot t\_4\right), \mathsf{fma}\left(t\_0, t\_0, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t\_1\right)\right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(t\_5, t\_2\right)}}\\
\end{array}
\end{array}
Initial program 81.9%
Simplified82.1%
pow282.1%
Applied egg-rr82.1%
Taylor expanded in w around 0 82.1%
Simplified82.1%
associate-*r/82.3%
Applied egg-rr82.3%
Final simplification82.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (pow (hypot t_0 (* (floor h) dY.v)) 2.0))
(t_2 (* dX.u (floor w)))
(t_3 (pow (hypot t_2 (* dX.v (floor h))) 2.0))
(t_4 (sqrt (fmax t_3 t_1))))
(if (>= t_3 t_1) (/ t_2 t_4) (/ t_0 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 = powf(hypotf(t_0, (floorf(h) * dY_46_v)), 2.0f);
float t_2 = dX_46_u * floorf(w);
float t_3 = powf(hypotf(t_2, (dX_46_v * floorf(h))), 2.0f);
float t_4 = sqrtf(fmaxf(t_3, t_1));
float tmp;
if (t_3 >= t_1) {
tmp = t_2 / t_4;
} else {
tmp = t_0 / 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(w) * dY_46_u) t_1 = hypot(t_0, Float32(floor(h) * dY_46_v)) ^ Float32(2.0) t_2 = Float32(dX_46_u * floor(w)) t_3 = hypot(t_2, Float32(dX_46_v * floor(h))) ^ Float32(2.0) t_4 = sqrt(((t_3 != t_3) ? t_1 : ((t_1 != t_1) ? t_3 : max(t_3, t_1)))) tmp = Float32(0.0) if (t_3 >= t_1) tmp = Float32(t_2 / t_4); else tmp = Float32(t_0 / 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(w) * dY_46_u; t_1 = hypot(t_0, (floor(h) * dY_46_v)) ^ single(2.0); t_2 = dX_46_u * floor(w); t_3 = hypot(t_2, (dX_46_v * floor(h))) ^ single(2.0); t_4 = sqrt(max(t_3, t_1)); tmp = single(0.0); if (t_3 >= t_1) tmp = t_2 / t_4; else tmp = t_0 / t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_1 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorh\right\rfloor \cdot dY.v\right)\right)}^{2}\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := {\left(\mathsf{hypot}\left(t\_2, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_3, t\_1\right)}\\
\mathbf{if}\;t\_3 \geq t\_1:\\
\;\;\;\;\frac{t\_2}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\end{array}
\end{array}
Initial program 81.9%
Simplified82.1%
pow282.1%
Applied egg-rr82.1%
Taylor expanded in w around 0 82.1%
Simplified82.1%
associate-*r/82.3%
Applied egg-rr82.3%
Taylor expanded in w around 0 82.0%
*-commutative82.0%
unpow282.0%
unpow282.0%
swap-sqr82.0%
*-commutative82.0%
unpow282.0%
unpow282.0%
swap-sqr82.0%
rem-square-sqrt82.0%
hypot-undefine82.0%
hypot-undefine82.0%
Simplified82.3%
Final simplification82.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dY.u))
(t_2 (* dX.v (floor h)))
(t_3 (* dX.u (floor w)))
(t_4
(sqrt
(fmax
(fma t_3 t_3 (* t_2 t_2))
(fma t_1 t_1 (* (floor h) (* dY.v t_0))))))
(t_5 (* t_1 (/ 1.0 t_4)))
(t_6 (/ t_3 t_4))
(t_7 (pow t_3 2.0)))
(if (<= dY.v 1000000.0)
(if (>= t_7 (pow t_1 2.0)) t_6 t_5)
(if (>= t_7 (pow t_0 2.0)) 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) * dY_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = dX_46_v * floorf(h);
float t_3 = dX_46_u * floorf(w);
float t_4 = sqrtf(fmaxf(fmaf(t_3, t_3, (t_2 * t_2)), fmaf(t_1, t_1, (floorf(h) * (dY_46_v * t_0)))));
float t_5 = t_1 * (1.0f / t_4);
float t_6 = t_3 / t_4;
float t_7 = powf(t_3, 2.0f);
float tmp_1;
if (dY_46_v <= 1000000.0f) {
float tmp_2;
if (t_7 >= powf(t_1, 2.0f)) {
tmp_2 = t_6;
} else {
tmp_2 = t_5;
}
tmp_1 = tmp_2;
} else if (t_7 >= powf(t_0, 2.0f)) {
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(h) * dY_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(dX_46_v * floor(h)) t_3 = Float32(dX_46_u * floor(w)) t_4 = sqrt(((fma(t_3, t_3, Float32(t_2 * t_2)) != fma(t_3, t_3, Float32(t_2 * t_2))) ? fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_0))) : ((fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_0))) != fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_0)))) ? fma(t_3, t_3, Float32(t_2 * t_2)) : max(fma(t_3, t_3, Float32(t_2 * t_2)), fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_0))))))) t_5 = Float32(t_1 * Float32(Float32(1.0) / t_4)) t_6 = Float32(t_3 / t_4) t_7 = t_3 ^ Float32(2.0) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(1000000.0)) tmp_2 = Float32(0.0) if (t_7 >= (t_1 ^ Float32(2.0))) tmp_2 = t_6; else tmp_2 = t_5; end tmp_1 = tmp_2; elseif (t_7 >= (t_0 ^ Float32(2.0))) tmp_1 = t_6; else tmp_1 = t_5; end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_3 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_4 := \sqrt{\mathsf{max}\left(\mathsf{fma}\left(t\_3, t\_3, t\_2 \cdot t\_2\right), \mathsf{fma}\left(t\_1, t\_1, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t\_0\right)\right)\right)}\\
t_5 := t\_1 \cdot \frac{1}{t\_4}\\
t_6 := \frac{t\_3}{t\_4}\\
t_7 := {t\_3}^{2}\\
\mathbf{if}\;dY.v \leq 1000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_7 \geq {t\_1}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{elif}\;t\_7 \geq {t\_0}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
if dY.v < 1e6Initial program 83.0%
Simplified83.1%
pow283.1%
Applied egg-rr83.1%
Taylor expanded in w around 0 83.1%
Simplified83.1%
Taylor expanded in dX.u around inf 69.6%
*-commutative69.6%
unpow269.6%
unpow269.6%
swap-sqr69.6%
unpow269.6%
Simplified69.6%
Taylor expanded in dY.u around inf 67.5%
*-commutative67.5%
unpow267.5%
unpow267.5%
swap-sqr67.5%
unpow267.5%
*-commutative67.5%
Simplified67.5%
if 1e6 < dY.v Initial program 78.0%
Simplified78.2%
pow278.2%
Applied egg-rr78.2%
Taylor expanded in w around 0 78.2%
Simplified78.2%
Taylor expanded in dX.u around inf 74.9%
*-commutative74.9%
unpow274.9%
unpow274.9%
swap-sqr74.9%
unpow274.9%
Simplified74.9%
Taylor expanded in dY.u around 0 74.9%
*-commutative74.9%
unpow274.9%
unpow274.9%
swap-sqr74.9%
unpow274.9%
*-commutative74.9%
Simplified74.9%
Final simplification69.1%
(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 (* dX.u (floor w)))
(t_3
(sqrt
(fmax
(fma t_2 t_2 (* t_1 t_1))
(fma t_0 t_0 (* (floor h) (* dY.v (* (floor h) dY.v))))))))
(if (>= (pow t_2 2.0) (pow t_0 2.0)) (/ t_2 t_3) (* t_0 (/ 1.0 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(w) * dY_46_u;
float t_1 = dX_46_v * floorf(h);
float t_2 = dX_46_u * floorf(w);
float t_3 = sqrtf(fmaxf(fmaf(t_2, t_2, (t_1 * t_1)), fmaf(t_0, t_0, (floorf(h) * (dY_46_v * (floorf(h) * dY_46_v))))));
float tmp;
if (powf(t_2, 2.0f) >= powf(t_0, 2.0f)) {
tmp = t_2 / t_3;
} else {
tmp = t_0 * (1.0f / 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(w) * dY_46_u) t_1 = Float32(dX_46_v * floor(h)) t_2 = Float32(dX_46_u * floor(w)) t_3 = sqrt(((fma(t_2, t_2, Float32(t_1 * t_1)) != fma(t_2, t_2, Float32(t_1 * t_1))) ? fma(t_0, t_0, Float32(floor(h) * Float32(dY_46_v * Float32(floor(h) * dY_46_v)))) : ((fma(t_0, t_0, Float32(floor(h) * Float32(dY_46_v * Float32(floor(h) * dY_46_v)))) != fma(t_0, t_0, Float32(floor(h) * Float32(dY_46_v * Float32(floor(h) * dY_46_v))))) ? fma(t_2, t_2, Float32(t_1 * t_1)) : max(fma(t_2, t_2, Float32(t_1 * t_1)), fma(t_0, t_0, Float32(floor(h) * Float32(dY_46_v * Float32(floor(h) * dY_46_v)))))))) tmp = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= (t_0 ^ Float32(2.0))) tmp = Float32(t_2 / t_3); else tmp = Float32(t_0 * Float32(Float32(1.0) / t_3)); end return tmp 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 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := \sqrt{\mathsf{max}\left(\mathsf{fma}\left(t\_2, t\_2, t\_1 \cdot t\_1\right), \mathsf{fma}\left(t\_0, t\_0, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot \left(\left\lfloorh\right\rfloor \cdot dY.v\right)\right)\right)\right)}\\
\mathbf{if}\;{t\_2}^{2} \geq {t\_0}^{2}:\\
\;\;\;\;\frac{t\_2}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \frac{1}{t\_3}\\
\end{array}
\end{array}
Initial program 81.9%
Simplified82.1%
pow282.1%
Applied egg-rr82.1%
Taylor expanded in w around 0 82.1%
Simplified82.1%
Taylor expanded in dX.u around inf 70.7%
*-commutative70.7%
unpow270.7%
unpow270.7%
swap-sqr70.7%
unpow270.7%
Simplified70.7%
Taylor expanded in dY.u around inf 63.9%
*-commutative63.9%
unpow263.9%
unpow263.9%
swap-sqr63.9%
unpow263.9%
*-commutative63.9%
Simplified63.9%
Final simplification63.9%
herbie shell --seed 2024046
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (line direction, u)"
: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 w) dX.u)) (* (/ 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 w) dY.u))))