
(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\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\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 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_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\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\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 (pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(t_1 (* dX.u (floor w)))
(t_2 (* dX.v (floor h)))
(t_3 (pow (hypot t_1 t_2) 2.0)))
(if (>= t_3 t_0)
(/ t_1 (sqrt (fmax (+ (pow t_2 2.0) (pow t_1 2.0)) t_0)))
(* (floor w) (/ dY.u (sqrt (fmax t_3 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 = powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f);
float t_1 = dX_46_u * floorf(w);
float t_2 = dX_46_v * floorf(h);
float t_3 = powf(hypotf(t_1, t_2), 2.0f);
float tmp;
if (t_3 >= t_0) {
tmp = t_1 / sqrtf(fmaxf((powf(t_2, 2.0f) + powf(t_1, 2.0f)), t_0));
} else {
tmp = floorf(w) * (dY_46_u / sqrtf(fmaxf(t_3, t_0)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_1 = Float32(dX_46_u * floor(w)) t_2 = Float32(dX_46_v * floor(h)) t_3 = hypot(t_1, t_2) ^ Float32(2.0) tmp = Float32(0.0) if (t_3 >= t_0) tmp = Float32(t_1 / sqrt(((Float32((t_2 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? t_0 : ((t_0 != t_0) ? Float32((t_2 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : max(Float32((t_2 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))), t_0))))); else tmp = Float32(floor(w) * Float32(dY_46_u / sqrt(((t_3 != t_3) ? t_0 : ((t_0 != t_0) ? t_3 : max(t_3, 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 = hypot((floor(h) * dY_46_v), (floor(w) * dY_46_u)) ^ single(2.0); t_1 = dX_46_u * floor(w); t_2 = dX_46_v * floor(h); t_3 = hypot(t_1, t_2) ^ single(2.0); tmp = single(0.0); if (t_3 >= t_0) tmp = t_1 / sqrt(max(((t_2 ^ single(2.0)) + (t_1 ^ single(2.0))), t_0)); else tmp = floor(w) * (dY_46_u / sqrt(max(t_3, t_0))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_3 := {\left(\mathsf{hypot}\left(t\_1, t\_2\right)\right)}^{2}\\
\mathbf{if}\;t\_3 \geq t\_0:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left({t\_2}^{2} + {t\_1}^{2}, t\_0\right)}}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor w\right\rfloor \cdot \frac{dY.u}{\sqrt{\mathsf{max}\left(t\_3, t\_0\right)}}\\
\end{array}
\end{array}
Initial program 77.6%
Simplified77.7%
Taylor expanded in w around 0 77.7%
Simplified77.7%
Taylor expanded in dX.u around 0 77.4%
Simplified77.9%
unpow277.9%
*-commutative77.9%
*-commutative77.9%
hypot-undefine77.9%
associate-*l*77.9%
*-commutative77.9%
associate-*l*77.8%
swap-sqr77.8%
associate-*r*77.8%
fma-undefine77.8%
*-commutative77.8%
*-commutative77.8%
hypot-undefine77.8%
Applied egg-rr77.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(t_1 (* dX.u (floor w)))
(t_2 (pow (hypot t_1 (* dX.v (floor h))) 2.0))
(t_3 (sqrt (fmax t_2 t_0))))
(if (>= t_2 t_0) (/ t_1 t_3) (* (floor w) (/ dY.u 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 = powf(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f);
float t_1 = dX_46_u * floorf(w);
float t_2 = powf(hypotf(t_1, (dX_46_v * floorf(h))), 2.0f);
float t_3 = sqrtf(fmaxf(t_2, t_0));
float tmp;
if (t_2 >= t_0) {
tmp = t_1 / t_3;
} else {
tmp = floorf(w) * (dY_46_u / t_3);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_1 = Float32(dX_46_u * floor(w)) t_2 = hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0) t_3 = sqrt(((t_2 != t_2) ? t_0 : ((t_0 != t_0) ? t_2 : max(t_2, t_0)))) tmp = Float32(0.0) if (t_2 >= t_0) tmp = Float32(t_1 / t_3); else tmp = Float32(floor(w) * Float32(dY_46_u / 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 = hypot((floor(h) * dY_46_v), (floor(w) * dY_46_u)) ^ single(2.0); t_1 = dX_46_u * floor(w); t_2 = hypot(t_1, (dX_46_v * floor(h))) ^ single(2.0); t_3 = sqrt(max(t_2, t_0)); tmp = single(0.0); if (t_2 >= t_0) tmp = t_1 / t_3; else tmp = floor(w) * (dY_46_u / t_3); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\mathsf{hypot}\left(\left\lfloor h\right\rfloor \cdot dY.v, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := {\left(\mathsf{hypot}\left(t\_1, dX.v \cdot \left\lfloor h\right\rfloor \right)\right)}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_2, t\_0\right)}\\
\mathbf{if}\;t\_2 \geq t\_0:\\
\;\;\;\;\frac{t\_1}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor w\right\rfloor \cdot \frac{dY.u}{t\_3}\\
\end{array}
\end{array}
Initial program 77.6%
Simplified77.7%
Taylor expanded in w around 0 77.7%
Simplified77.7%
Taylor expanded in dX.u around 0 77.4%
Simplified77.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (pow (hypot t_0 (* dX.v (floor h))) 2.0))
(t_4 (fmax t_3 (pow (hypot t_1 t_2) 2.0)))
(t_5 (sqrt (/ 1.0 t_4)))
(t_6 (sqrt t_4)))
(if (or (<= dY.u -2000000000.0) (not (<= dY.u 115000.0)))
(if (>= (pow t_0 2.0) (pow t_2 2.0))
(* dX.u (* (floor w) t_5))
(* (floor w) (* dY.u t_5)))
(if (>= t_3 (pow t_1 2.0)) (/ t_0 t_6) (* (floor w) (/ dY.u t_6))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dX_46_u * floorf(w);
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = powf(hypotf(t_0, (dX_46_v * floorf(h))), 2.0f);
float t_4 = fmaxf(t_3, powf(hypotf(t_1, t_2), 2.0f));
float t_5 = sqrtf((1.0f / t_4));
float t_6 = sqrtf(t_4);
float tmp_1;
if ((dY_46_u <= -2000000000.0f) || !(dY_46_u <= 115000.0f)) {
float tmp_2;
if (powf(t_0, 2.0f) >= powf(t_2, 2.0f)) {
tmp_2 = dX_46_u * (floorf(w) * t_5);
} else {
tmp_2 = floorf(w) * (dY_46_u * t_5);
}
tmp_1 = tmp_2;
} else if (t_3 >= powf(t_1, 2.0f)) {
tmp_1 = t_0 / t_6;
} else {
tmp_1 = floorf(w) * (dY_46_u / t_6);
}
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) t_2 = Float32(floor(w) * dY_46_u) t_3 = hypot(t_0, Float32(dX_46_v * floor(h))) ^ Float32(2.0) t_4 = (t_3 != t_3) ? (hypot(t_1, t_2) ^ Float32(2.0)) : (((hypot(t_1, t_2) ^ Float32(2.0)) != (hypot(t_1, t_2) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_1, t_2) ^ Float32(2.0)))) t_5 = sqrt(Float32(Float32(1.0) / t_4)) t_6 = sqrt(t_4) tmp_1 = Float32(0.0) if ((dY_46_u <= Float32(-2000000000.0)) || !(dY_46_u <= Float32(115000.0))) tmp_2 = Float32(0.0) if ((t_0 ^ Float32(2.0)) >= (t_2 ^ Float32(2.0))) tmp_2 = Float32(dX_46_u * Float32(floor(w) * t_5)); else tmp_2 = Float32(floor(w) * Float32(dY_46_u * t_5)); end tmp_1 = tmp_2; elseif (t_3 >= (t_1 ^ Float32(2.0))) tmp_1 = Float32(t_0 / t_6); else tmp_1 = Float32(floor(w) * Float32(dY_46_u / t_6)); 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 = dX_46_u * floor(w); t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = hypot(t_0, (dX_46_v * floor(h))) ^ single(2.0); t_4 = max(t_3, (hypot(t_1, t_2) ^ single(2.0))); t_5 = sqrt((single(1.0) / t_4)); t_6 = sqrt(t_4); tmp_2 = single(0.0); if ((dY_46_u <= single(-2000000000.0)) || ~((dY_46_u <= single(115000.0)))) tmp_3 = single(0.0); if ((t_0 ^ single(2.0)) >= (t_2 ^ single(2.0))) tmp_3 = dX_46_u * (floor(w) * t_5); else tmp_3 = floor(w) * (dY_46_u * t_5); end tmp_2 = tmp_3; elseif (t_3 >= (t_1 ^ single(2.0))) tmp_2 = t_0 / t_6; else tmp_2 = floor(w) * (dY_46_u / t_6); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := {\left(\mathsf{hypot}\left(t\_0, dX.v \cdot \left\lfloor h\right\rfloor \right)\right)}^{2}\\
t_4 := \mathsf{max}\left(t\_3, {\left(\mathsf{hypot}\left(t\_1, t\_2\right)\right)}^{2}\right)\\
t_5 := \sqrt{\frac{1}{t\_4}}\\
t_6 := \sqrt{t\_4}\\
\mathbf{if}\;dY.u \leq -2000000000 \lor \neg \left(dY.u \leq 115000\right):\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_0}^{2} \geq {t\_2}^{2}:\\
\;\;\;\;dX.u \cdot \left(\left\lfloor w\right\rfloor \cdot t\_5\right)\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor w\right\rfloor \cdot \left(dY.u \cdot t\_5\right)\\
\end{array}\\
\mathbf{elif}\;t\_3 \geq {t\_1}^{2}:\\
\;\;\;\;\frac{t\_0}{t\_6}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor w\right\rfloor \cdot \frac{dY.u}{t\_6}\\
\end{array}
\end{array}
if dY.u < -2e9 or 115000 < dY.u Initial program 72.0%
Simplified72.2%
Taylor expanded in w around 0 71.7%
Simplified71.7%
Taylor expanded in dX.u around inf 67.2%
unpow267.2%
unpow267.2%
swap-sqr67.2%
unpow267.2%
Simplified67.2%
Taylor expanded in dY.v around 0 67.2%
*-commutative71.2%
unpow271.2%
unpow271.2%
swap-sqr71.2%
unpow271.2%
Simplified67.2%
if -2e9 < dY.u < 115000Initial program 80.1%
Simplified80.1%
Taylor expanded in w around 0 80.1%
Simplified80.1%
Taylor expanded in dX.u around 0 79.8%
Simplified80.4%
Taylor expanded in dY.v around inf 78.9%
*-commutative78.9%
unpow278.9%
unpow278.9%
swap-sqr78.9%
unpow278.9%
Simplified78.9%
Final simplification75.3%
(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.u (floor w)))
(t_3 (pow (hypot t_2 (* dX.v (floor h))) 2.0))
(t_4 (sqrt (fmax t_3 (pow (hypot t_0 t_1) 2.0))))
(t_5 (* (floor w) (/ dY.u t_4)))
(t_6 (/ t_2 t_4)))
(if (<= dY.v 50000.0)
(if (>= t_3 (pow t_1 2.0)) t_6 t_5)
(if (>= t_3 (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_u * floorf(w);
float t_3 = powf(hypotf(t_2, (dX_46_v * floorf(h))), 2.0f);
float t_4 = sqrtf(fmaxf(t_3, powf(hypotf(t_0, t_1), 2.0f)));
float t_5 = floorf(w) * (dY_46_u / t_4);
float t_6 = t_2 / t_4;
float tmp_1;
if (dY_46_v <= 50000.0f) {
float tmp_2;
if (t_3 >= powf(t_1, 2.0f)) {
tmp_2 = t_6;
} else {
tmp_2 = t_5;
}
tmp_1 = tmp_2;
} else if (t_3 >= 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_u * floor(w)) t_3 = hypot(t_2, Float32(dX_46_v * floor(h))) ^ Float32(2.0) t_4 = sqrt(((t_3 != t_3) ? (hypot(t_0, t_1) ^ Float32(2.0)) : (((hypot(t_0, t_1) ^ Float32(2.0)) != (hypot(t_0, t_1) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_0, t_1) ^ Float32(2.0)))))) t_5 = Float32(floor(w) * Float32(dY_46_u / t_4)) t_6 = Float32(t_2 / t_4) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(50000.0)) tmp_2 = Float32(0.0) if (t_3 >= (t_1 ^ Float32(2.0))) tmp_2 = t_6; else tmp_2 = t_5; end tmp_1 = tmp_2; elseif (t_3 >= (t_0 ^ Float32(2.0))) 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(h) * dY_46_v; t_1 = floor(w) * dY_46_u; 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, (hypot(t_0, t_1) ^ single(2.0)))); t_5 = floor(w) * (dY_46_u / t_4); t_6 = t_2 / t_4; tmp_2 = single(0.0); if (dY_46_v <= single(50000.0)) tmp_3 = single(0.0); if (t_3 >= (t_1 ^ single(2.0))) tmp_3 = t_6; else tmp_3 = t_5; end tmp_2 = tmp_3; elseif (t_3 >= (t_0 ^ single(2.0))) tmp_2 = t_6; else tmp_2 = t_5; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_3 := {\left(\mathsf{hypot}\left(t\_2, dX.v \cdot \left\lfloor h\right\rfloor \right)\right)}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_3, {\left(\mathsf{hypot}\left(t\_0, t\_1\right)\right)}^{2}\right)}\\
t_5 := \left\lfloor w\right\rfloor \cdot \frac{dY.u}{t\_4}\\
t_6 := \frac{t\_2}{t\_4}\\
\mathbf{if}\;dY.v \leq 50000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_3 \geq {t\_1}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{elif}\;t\_3 \geq {t\_0}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
if dY.v < 5e4Initial program 78.5%
Simplified78.5%
Taylor expanded in w around 0 78.5%
Simplified78.5%
Taylor expanded in dX.u around 0 78.2%
Simplified78.8%
Taylor expanded in dY.v around 0 71.5%
*-commutative71.5%
unpow271.5%
unpow271.5%
swap-sqr71.5%
unpow271.5%
Simplified71.5%
if 5e4 < dY.v Initial program 73.4%
Simplified73.7%
Taylor expanded in w around 0 73.7%
Simplified73.7%
Taylor expanded in dX.u around 0 73.4%
Simplified73.8%
Taylor expanded in dY.v around inf 71.8%
*-commutative71.8%
unpow271.8%
unpow271.8%
swap-sqr71.8%
unpow271.8%
Simplified71.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow t_0 2.0))
(t_2 (* dX.u (floor w)))
(t_3 (pow (hypot t_2 (* dX.v (floor h))) 2.0)))
(if (>= (pow t_2 2.0) t_1)
(* dX.u (* (floor w) (sqrt (/ 1.0 (fmax t_3 t_1)))))
(*
(floor w)
(*
dY.u
(sqrt (/ 1.0 (fmax t_3 (pow (hypot t_0 (* (floor w) dY.u)) 2.0)))))))))
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(t_0, 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 tmp;
if (powf(t_2, 2.0f) >= t_1) {
tmp = dX_46_u * (floorf(w) * sqrtf((1.0f / fmaxf(t_3, t_1))));
} else {
tmp = floorf(w) * (dY_46_u * sqrtf((1.0f / fmaxf(t_3, powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f)))));
}
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 = t_0 ^ 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) tmp = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= t_1) tmp = Float32(dX_46_u * Float32(floor(w) * sqrt(Float32(Float32(1.0) / ((t_3 != t_3) ? t_1 : ((t_1 != t_1) ? t_3 : max(t_3, t_1))))))); else tmp = Float32(floor(w) * Float32(dY_46_u * sqrt(Float32(Float32(1.0) / ((t_3 != t_3) ? (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))) ? t_3 : max(t_3, (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0))))))))); 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 = t_0 ^ single(2.0); t_2 = dX_46_u * floor(w); t_3 = hypot(t_2, (dX_46_v * floor(h))) ^ single(2.0); tmp = single(0.0); if ((t_2 ^ single(2.0)) >= t_1) tmp = dX_46_u * (floor(w) * sqrt((single(1.0) / max(t_3, t_1)))); else tmp = floor(w) * (dY_46_u * sqrt((single(1.0) / max(t_3, (hypot(t_0, (floor(w) * dY_46_u)) ^ single(2.0)))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := {t\_0}^{2}\\
t_2 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_3 := {\left(\mathsf{hypot}\left(t\_2, dX.v \cdot \left\lfloor h\right\rfloor \right)\right)}^{2}\\
\mathbf{if}\;{t\_2}^{2} \geq t\_1:\\
\;\;\;\;dX.u \cdot \left(\left\lfloor w\right\rfloor \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_3, t\_1\right)}}\right)\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor w\right\rfloor \cdot \left(dY.u \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_3, {\left(\mathsf{hypot}\left(t\_0, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\right)}}\right)\\
\end{array}
\end{array}
Initial program 77.6%
Simplified77.7%
Taylor expanded in w around 0 77.4%
Simplified77.3%
Taylor expanded in dX.u around inf 66.8%
unpow266.8%
unpow266.8%
swap-sqr66.8%
unpow266.8%
Simplified66.8%
Taylor expanded in dY.v around inf 62.0%
*-commutative66.5%
unpow266.5%
unpow266.5%
swap-sqr66.5%
unpow266.5%
Simplified62.0%
Taylor expanded in dY.v around inf 65.7%
*-commutative66.5%
unpow266.5%
unpow266.5%
swap-sqr66.5%
unpow266.5%
Simplified65.7%
(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 (pow t_1 2.0))
(t_3 (pow (hypot t_0 (* (floor w) dY.u)) 2.0)))
(if (>= t_2 (pow t_0 2.0))
(* dX.u (* (floor w) (sqrt (/ 1.0 (fmax t_2 t_3)))))
(*
(floor w)
(*
dY.u
(sqrt (/ 1.0 (fmax (pow (hypot t_1 (* dX.v (floor h))) 2.0) 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(h) * dY_46_v;
float t_1 = dX_46_u * floorf(w);
float t_2 = powf(t_1, 2.0f);
float t_3 = powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f);
float tmp;
if (t_2 >= powf(t_0, 2.0f)) {
tmp = dX_46_u * (floorf(w) * sqrtf((1.0f / fmaxf(t_2, t_3))));
} else {
tmp = floorf(w) * (dY_46_u * sqrtf((1.0f / fmaxf(powf(hypotf(t_1, (dX_46_v * floorf(h))), 2.0f), 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(h) * dY_46_v) t_1 = Float32(dX_46_u * floor(w)) t_2 = t_1 ^ Float32(2.0) t_3 = hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) tmp = Float32(0.0) if (t_2 >= (t_0 ^ Float32(2.0))) tmp = Float32(dX_46_u * Float32(floor(w) * sqrt(Float32(Float32(1.0) / ((t_2 != t_2) ? t_3 : ((t_3 != t_3) ? t_2 : max(t_2, t_3))))))); else tmp = Float32(floor(w) * Float32(dY_46_u * sqrt(Float32(Float32(1.0) / (((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) != (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0))) ? t_3 : ((t_3 != t_3) ? (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) : max((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)), 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_u * floor(w); t_2 = t_1 ^ single(2.0); t_3 = hypot(t_0, (floor(w) * dY_46_u)) ^ single(2.0); tmp = single(0.0); if (t_2 >= (t_0 ^ single(2.0))) tmp = dX_46_u * (floor(w) * sqrt((single(1.0) / max(t_2, t_3)))); else tmp = floor(w) * (dY_46_u * sqrt((single(1.0) / max((hypot(t_1, (dX_46_v * floor(h))) ^ single(2.0)), t_3)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := {t\_1}^{2}\\
t_3 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
\mathbf{if}\;t\_2 \geq {t\_0}^{2}:\\
\;\;\;\;dX.u \cdot \left(\left\lfloor w\right\rfloor \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_2, t\_3\right)}}\right)\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor w\right\rfloor \cdot \left(dY.u \cdot \sqrt{\frac{1}{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_1, dX.v \cdot \left\lfloor h\right\rfloor \right)\right)}^{2}, t\_3\right)}}\right)\\
\end{array}
\end{array}
Initial program 77.6%
Simplified77.7%
Taylor expanded in w around 0 77.4%
Simplified77.3%
Taylor expanded in dX.u around inf 66.8%
unpow266.8%
unpow266.8%
swap-sqr66.8%
unpow266.8%
Simplified66.8%
Taylor expanded in dY.v around inf 62.0%
*-commutative66.5%
unpow266.5%
unpow266.5%
swap-sqr66.5%
unpow266.5%
Simplified62.0%
Taylor expanded in dX.u around inf 53.6%
unpow266.8%
unpow266.8%
swap-sqr66.8%
unpow266.8%
Simplified53.6%
(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 (pow (hypot t_0 (* (floor w) dY.u)) 2.0)))
(if (>= (pow t_1 2.0) (pow t_0 2.0))
(*
dX.u
(*
(floor w)
(sqrt (/ 1.0 (fmax (* (pow dX.u 2.0) (pow (floor w) 2.0)) t_2)))))
(*
(floor w)
(*
dY.u
(sqrt (/ 1.0 (fmax (pow (hypot t_1 (* dX.v (floor h))) 2.0) 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 = powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f);
float tmp;
if (powf(t_1, 2.0f) >= powf(t_0, 2.0f)) {
tmp = dX_46_u * (floorf(w) * sqrtf((1.0f / fmaxf((powf(dX_46_u, 2.0f) * powf(floorf(w), 2.0f)), t_2))));
} else {
tmp = floorf(w) * (dY_46_u * sqrtf((1.0f / fmaxf(powf(hypotf(t_1, (dX_46_v * floorf(h))), 2.0f), 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 = hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) tmp = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= (t_0 ^ Float32(2.0))) tmp = Float32(dX_46_u * Float32(floor(w) * sqrt(Float32(Float32(1.0) / ((Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))) != Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0)))) ? t_2 : ((t_2 != t_2) ? Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))) : max(Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))), t_2))))))); else tmp = Float32(floor(w) * Float32(dY_46_u * sqrt(Float32(Float32(1.0) / (((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) != (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) : max((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)), 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 = hypot(t_0, (floor(w) * dY_46_u)) ^ single(2.0); tmp = single(0.0); if ((t_1 ^ single(2.0)) >= (t_0 ^ single(2.0))) tmp = dX_46_u * (floor(w) * sqrt((single(1.0) / max(((dX_46_u ^ single(2.0)) * (floor(w) ^ single(2.0))), t_2)))); else tmp = floor(w) * (dY_46_u * sqrt((single(1.0) / max((hypot(t_1, (dX_46_v * floor(h))) ^ single(2.0)), t_2)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloor w\right\rfloor \cdot dY.u\right)\right)}^{2}\\
\mathbf{if}\;{t\_1}^{2} \geq {t\_0}^{2}:\\
\;\;\;\;dX.u \cdot \left(\left\lfloor w\right\rfloor \cdot \sqrt{\frac{1}{\mathsf{max}\left({dX.u}^{2} \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2}, t\_2\right)}}\right)\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor w\right\rfloor \cdot \left(dY.u \cdot \sqrt{\frac{1}{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_1, dX.v \cdot \left\lfloor h\right\rfloor \right)\right)}^{2}, t\_2\right)}}\right)\\
\end{array}
\end{array}
Initial program 77.6%
Simplified77.7%
Taylor expanded in w around 0 77.4%
Simplified77.3%
Taylor expanded in dX.u around inf 66.8%
unpow266.8%
unpow266.8%
swap-sqr66.8%
unpow266.8%
Simplified66.8%
Taylor expanded in dY.v around inf 62.0%
*-commutative66.5%
unpow266.5%
unpow266.5%
swap-sqr66.5%
unpow266.5%
Simplified62.0%
Taylor expanded in dX.u around inf 53.6%
herbie shell --seed 2024160
(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))))