
(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 5 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 (floor h) 2.0))
(t_1 (* dY.v (floor h)))
(t_2 (* dX.u (floor w)))
(t_3 (pow t_2 2.0))
(t_4 (* dY.u (floor w)))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (+ (pow t_4 2.0) (pow t_1 2.0)))
(t_7 (fmax (+ (exp (/ 0.0 0.0)) t_3) t_6))
(t_8 (* dX.v (floor h)))
(t_9
(if (>= (* (* (pow (floor w) 2.0) dX.u) dX.u) t_5)
(/
(/ (* (- dX.u) (floor w)) -1.0)
(sqrt (fmax (+ t_3 (pow t_8 2.0)) t_6)))
(* (/ 1.0 (pow t_7 0.5)) t_4)))
(t_10 (+ (* t_8 t_8) (* t_2 t_2)))
(t_11 (/ 1.0 (sqrt (fmax t_10 t_5))))
(t_12 (* t_11 t_2))
(t_13 (if (>= t_10 t_5) t_12 (* t_11 t_4))))
(if (<= t_13 -0.10000000149011612)
t_9
(if (<= t_13 0.004000000189989805)
(if (>= (* (* t_0 dX.v) dX.v) (* (* t_0 dY.v) dY.v))
t_12
(* (/ 1.0 (exp (log (sqrt t_7)))) t_4))
t_9))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(h), 2.0f);
float t_1 = dY_46_v * floorf(h);
float t_2 = dX_46_u * floorf(w);
float t_3 = powf(t_2, 2.0f);
float t_4 = dY_46_u * floorf(w);
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = powf(t_4, 2.0f) + powf(t_1, 2.0f);
float t_7 = fmaxf((expf((0.0f / 0.0f)) + t_3), t_6);
float t_8 = dX_46_v * floorf(h);
float tmp;
if (((powf(floorf(w), 2.0f) * dX_46_u) * dX_46_u) >= t_5) {
tmp = ((-dX_46_u * floorf(w)) / -1.0f) / sqrtf(fmaxf((t_3 + powf(t_8, 2.0f)), t_6));
} else {
tmp = (1.0f / powf(t_7, 0.5f)) * t_4;
}
float t_9 = tmp;
float t_10 = (t_8 * t_8) + (t_2 * t_2);
float t_11 = 1.0f / sqrtf(fmaxf(t_10, t_5));
float t_12 = t_11 * t_2;
float tmp_1;
if (t_10 >= t_5) {
tmp_1 = t_12;
} else {
tmp_1 = t_11 * t_4;
}
float t_13 = tmp_1;
float tmp_2;
if (t_13 <= -0.10000000149011612f) {
tmp_2 = t_9;
} else if (t_13 <= 0.004000000189989805f) {
float tmp_3;
if (((t_0 * dX_46_v) * dX_46_v) >= ((t_0 * dY_46_v) * dY_46_v)) {
tmp_3 = t_12;
} else {
tmp_3 = (1.0f / expf(logf(sqrtf(t_7)))) * t_4;
}
tmp_2 = tmp_3;
} else {
tmp_2 = t_9;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(dY_46_v * floor(h)) t_2 = Float32(dX_46_u * floor(w)) t_3 = t_2 ^ Float32(2.0) t_4 = Float32(dY_46_u * floor(w)) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) t_7 = (Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_3) != Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_3)) ? t_6 : ((t_6 != t_6) ? Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_3) : max(Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_3), t_6)) t_8 = Float32(dX_46_v * floor(h)) tmp = Float32(0.0) if (Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) >= t_5) tmp = Float32(Float32(Float32(Float32(-dX_46_u) * floor(w)) / Float32(-1.0)) / sqrt(((Float32(t_3 + (t_8 ^ Float32(2.0))) != Float32(t_3 + (t_8 ^ Float32(2.0)))) ? t_6 : ((t_6 != t_6) ? Float32(t_3 + (t_8 ^ Float32(2.0))) : max(Float32(t_3 + (t_8 ^ Float32(2.0))), t_6))))); else tmp = Float32(Float32(Float32(1.0) / (t_7 ^ Float32(0.5))) * t_4); end t_9 = tmp t_10 = Float32(Float32(t_8 * t_8) + Float32(t_2 * t_2)) t_11 = Float32(Float32(1.0) / sqrt(((t_10 != t_10) ? t_5 : ((t_5 != t_5) ? t_10 : max(t_10, t_5))))) t_12 = Float32(t_11 * t_2) tmp_1 = Float32(0.0) if (t_10 >= t_5) tmp_1 = t_12; else tmp_1 = Float32(t_11 * t_4); end t_13 = tmp_1 tmp_2 = Float32(0.0) if (t_13 <= Float32(-0.10000000149011612)) tmp_2 = t_9; elseif (t_13 <= Float32(0.004000000189989805)) tmp_3 = Float32(0.0) if (Float32(Float32(t_0 * dX_46_v) * dX_46_v) >= Float32(Float32(t_0 * dY_46_v) * dY_46_v)) tmp_3 = t_12; else tmp_3 = Float32(Float32(Float32(1.0) / exp(log(sqrt(t_7)))) * t_4); end tmp_2 = tmp_3; else tmp_2 = t_9; end return tmp_2 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ single(2.0); t_1 = dY_46_v * floor(h); t_2 = dX_46_u * floor(w); t_3 = t_2 ^ single(2.0); t_4 = dY_46_u * floor(w); t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = (t_4 ^ single(2.0)) + (t_1 ^ single(2.0)); t_7 = max((exp((single(0.0) / single(0.0))) + t_3), t_6); t_8 = dX_46_v * floor(h); tmp = single(0.0); if ((((floor(w) ^ single(2.0)) * dX_46_u) * dX_46_u) >= t_5) tmp = ((-dX_46_u * floor(w)) / single(-1.0)) / sqrt(max((t_3 + (t_8 ^ single(2.0))), t_6)); else tmp = (single(1.0) / (t_7 ^ single(0.5))) * t_4; end t_9 = tmp; t_10 = (t_8 * t_8) + (t_2 * t_2); t_11 = single(1.0) / sqrt(max(t_10, t_5)); t_12 = t_11 * t_2; tmp_2 = single(0.0); if (t_10 >= t_5) tmp_2 = t_12; else tmp_2 = t_11 * t_4; end t_13 = tmp_2; tmp_3 = single(0.0); if (t_13 <= single(-0.10000000149011612)) tmp_3 = t_9; elseif (t_13 <= single(0.004000000189989805)) tmp_4 = single(0.0); if (((t_0 * dX_46_v) * dX_46_v) >= ((t_0 * dY_46_v) * dY_46_v)) tmp_4 = t_12; else tmp_4 = (single(1.0) / exp(log(sqrt(t_7)))) * t_4; end tmp_3 = tmp_4; else tmp_3 = t_9; end tmp_5 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_2 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_3 := {t\_2}^{2}\\
t_4 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := {t\_4}^{2} + {t\_1}^{2}\\
t_7 := \mathsf{max}\left(e^{\frac{0}{0}} + t\_3, t\_6\right)\\
t_8 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot dX.u\right) \cdot dX.u \geq t\_5:\\
\;\;\;\;\frac{\frac{\left(-dX.u\right) \cdot \left\lfloor w\right\rfloor }{-1}}{\sqrt{\mathsf{max}\left(t\_3 + {t\_8}^{2}, t\_6\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{{t\_7}^{0.5}} \cdot t\_4\\
\end{array}\\
t_10 := t\_8 \cdot t\_8 + t\_2 \cdot t\_2\\
t_11 := \frac{1}{\sqrt{\mathsf{max}\left(t\_10, t\_5\right)}}\\
t_12 := t\_11 \cdot t\_2\\
t_13 := \begin{array}{l}
\mathbf{if}\;t\_10 \geq t\_5:\\
\;\;\;\;t\_12\\
\mathbf{else}:\\
\;\;\;\;t\_11 \cdot t\_4\\
\end{array}\\
\mathbf{if}\;t\_13 \leq -0.10000000149011612:\\
\;\;\;\;t\_9\\
\mathbf{elif}\;t\_13 \leq 0.004000000189989805:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\left(t\_0 \cdot dX.v\right) \cdot dX.v \geq \left(t\_0 \cdot dY.v\right) \cdot dY.v:\\
\;\;\;\;t\_12\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{e^{\log \left(\sqrt{t\_7}\right)}} \cdot t\_4\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
if (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dX.u)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dY.u))) < -0.100000001 or 0.00400000019 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dX.u)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dY.u))) Initial program 99.1%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites99.6%
lift-sqrt.f32N/A
pow1/2N/A
lower-pow.f3299.6
Applied rewrites99.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3299.6
Applied rewrites99.6%
if -0.100000001 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dX.u)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dY.u))) < 0.00400000019Initial program 51.9%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3238.6
Applied rewrites38.6%
Applied rewrites36.5%
Taylor expanded in dY.v around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3242.5
Applied rewrites42.5%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3252.1
Applied rewrites52.1%
Final simplification69.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (* dX.u (floor w)))
(t_2 (* t_1 t_1))
(t_3 (* dY.v (floor h)))
(t_4 (pow (floor w) 2.0))
(t_5 (* dY.u (floor w)))
(t_6 (+ (* t_3 t_3) (* t_5 t_5)))
(t_7 (* dX.v (floor h)))
(t_8 (+ (* t_7 t_7) t_2))
(t_9 (/ 1.0 (sqrt (fmax t_8 t_6))))
(t_10 (* t_9 t_5))
(t_11
(if (>= (* (* t_4 dX.u) dX.u) (* (* t_4 dY.u) dY.u))
(* (/ 1.0 (sqrt (fmax (+ (* (* dX.v dX.v) t_0) t_2) t_6))) t_1)
t_10))
(t_12 (* t_9 t_1))
(t_13 (if (>= t_8 t_6) t_12 t_10)))
(if (<= t_13 -0.10000000149011612)
t_11
(if (<= t_13 0.009999999776482582)
(if (>= (* (* t_0 dX.v) dX.v) (* (* t_0 dY.v) dY.v))
t_12
(*
(/
1.0
(exp
(log
(sqrt
(fmax
(+ (exp (/ 0.0 0.0)) (pow t_1 2.0))
(+ (pow t_5 2.0) (pow t_3 2.0)))))))
t_5))
t_11))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(h), 2.0f);
float t_1 = dX_46_u * floorf(w);
float t_2 = t_1 * t_1;
float t_3 = dY_46_v * floorf(h);
float t_4 = powf(floorf(w), 2.0f);
float t_5 = dY_46_u * floorf(w);
float t_6 = (t_3 * t_3) + (t_5 * t_5);
float t_7 = dX_46_v * floorf(h);
float t_8 = (t_7 * t_7) + t_2;
float t_9 = 1.0f / sqrtf(fmaxf(t_8, t_6));
float t_10 = t_9 * t_5;
float tmp;
if (((t_4 * dX_46_u) * dX_46_u) >= ((t_4 * dY_46_u) * dY_46_u)) {
tmp = (1.0f / sqrtf(fmaxf((((dX_46_v * dX_46_v) * t_0) + t_2), t_6))) * t_1;
} else {
tmp = t_10;
}
float t_11 = tmp;
float t_12 = t_9 * t_1;
float tmp_1;
if (t_8 >= t_6) {
tmp_1 = t_12;
} else {
tmp_1 = t_10;
}
float t_13 = tmp_1;
float tmp_2;
if (t_13 <= -0.10000000149011612f) {
tmp_2 = t_11;
} else if (t_13 <= 0.009999999776482582f) {
float tmp_3;
if (((t_0 * dX_46_v) * dX_46_v) >= ((t_0 * dY_46_v) * dY_46_v)) {
tmp_3 = t_12;
} else {
tmp_3 = (1.0f / expf(logf(sqrtf(fmaxf((expf((0.0f / 0.0f)) + powf(t_1, 2.0f)), (powf(t_5, 2.0f) + powf(t_3, 2.0f))))))) * t_5;
}
tmp_2 = tmp_3;
} else {
tmp_2 = t_11;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(dX_46_u * floor(w)) t_2 = Float32(t_1 * t_1) t_3 = Float32(dY_46_v * floor(h)) t_4 = floor(w) ^ Float32(2.0) t_5 = Float32(dY_46_u * floor(w)) t_6 = Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) t_7 = Float32(dX_46_v * floor(h)) t_8 = Float32(Float32(t_7 * t_7) + t_2) t_9 = Float32(Float32(1.0) / sqrt(((t_8 != t_8) ? t_6 : ((t_6 != t_6) ? t_8 : max(t_8, t_6))))) t_10 = Float32(t_9 * t_5) tmp = Float32(0.0) if (Float32(Float32(t_4 * dX_46_u) * dX_46_u) >= Float32(Float32(t_4 * dY_46_u) * dY_46_u)) tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(Float32(dX_46_v * dX_46_v) * t_0) + t_2) != Float32(Float32(Float32(dX_46_v * dX_46_v) * t_0) + t_2)) ? t_6 : ((t_6 != t_6) ? Float32(Float32(Float32(dX_46_v * dX_46_v) * t_0) + t_2) : max(Float32(Float32(Float32(dX_46_v * dX_46_v) * t_0) + t_2), t_6))))) * t_1); else tmp = t_10; end t_11 = tmp t_12 = Float32(t_9 * t_1) tmp_1 = Float32(0.0) if (t_8 >= t_6) tmp_1 = t_12; else tmp_1 = t_10; end t_13 = tmp_1 tmp_2 = Float32(0.0) if (t_13 <= Float32(-0.10000000149011612)) tmp_2 = t_11; elseif (t_13 <= Float32(0.009999999776482582)) tmp_3 = Float32(0.0) if (Float32(Float32(t_0 * dX_46_v) * dX_46_v) >= Float32(Float32(t_0 * dY_46_v) * dY_46_v)) tmp_3 = t_12; else tmp_3 = Float32(Float32(Float32(1.0) / exp(log(sqrt(((Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + (t_1 ^ Float32(2.0))) != Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + (t_1 ^ Float32(2.0)))) ? Float32((t_5 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) : ((Float32((t_5 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) != Float32((t_5 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))) ? Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + (t_1 ^ Float32(2.0))) : max(Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + (t_1 ^ Float32(2.0))), Float32((t_5 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))))))))) * t_5); end tmp_2 = tmp_3; else tmp_2 = t_11; end return tmp_2 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ single(2.0); t_1 = dX_46_u * floor(w); t_2 = t_1 * t_1; t_3 = dY_46_v * floor(h); t_4 = floor(w) ^ single(2.0); t_5 = dY_46_u * floor(w); t_6 = (t_3 * t_3) + (t_5 * t_5); t_7 = dX_46_v * floor(h); t_8 = (t_7 * t_7) + t_2; t_9 = single(1.0) / sqrt(max(t_8, t_6)); t_10 = t_9 * t_5; tmp = single(0.0); if (((t_4 * dX_46_u) * dX_46_u) >= ((t_4 * dY_46_u) * dY_46_u)) tmp = (single(1.0) / sqrt(max((((dX_46_v * dX_46_v) * t_0) + t_2), t_6))) * t_1; else tmp = t_10; end t_11 = tmp; t_12 = t_9 * t_1; tmp_2 = single(0.0); if (t_8 >= t_6) tmp_2 = t_12; else tmp_2 = t_10; end t_13 = tmp_2; tmp_3 = single(0.0); if (t_13 <= single(-0.10000000149011612)) tmp_3 = t_11; elseif (t_13 <= single(0.009999999776482582)) tmp_4 = single(0.0); if (((t_0 * dX_46_v) * dX_46_v) >= ((t_0 * dY_46_v) * dY_46_v)) tmp_4 = t_12; else tmp_4 = (single(1.0) / exp(log(sqrt(max((exp((single(0.0) / single(0.0))) + (t_1 ^ single(2.0))), ((t_5 ^ single(2.0)) + (t_3 ^ single(2.0)))))))) * t_5; end tmp_3 = tmp_4; else tmp_3 = t_11; end tmp_5 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := t\_1 \cdot t\_1\\
t_3 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_6 := t\_3 \cdot t\_3 + t\_5 \cdot t\_5\\
t_7 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_8 := t\_7 \cdot t\_7 + t\_2\\
t_9 := \frac{1}{\sqrt{\mathsf{max}\left(t\_8, t\_6\right)}}\\
t_10 := t\_9 \cdot t\_5\\
t_11 := \begin{array}{l}
\mathbf{if}\;\left(t\_4 \cdot dX.u\right) \cdot dX.u \geq \left(t\_4 \cdot dY.u\right) \cdot dY.u:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(\left(dX.v \cdot dX.v\right) \cdot t\_0 + t\_2, t\_6\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
t_12 := t\_9 \cdot t\_1\\
t_13 := \begin{array}{l}
\mathbf{if}\;t\_8 \geq t\_6:\\
\;\;\;\;t\_12\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
\mathbf{if}\;t\_13 \leq -0.10000000149011612:\\
\;\;\;\;t\_11\\
\mathbf{elif}\;t\_13 \leq 0.009999999776482582:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\left(t\_0 \cdot dX.v\right) \cdot dX.v \geq \left(t\_0 \cdot dY.v\right) \cdot dY.v:\\
\;\;\;\;t\_12\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{e^{\log \left(\sqrt{\mathsf{max}\left(e^{\frac{0}{0}} + {t\_1}^{2}, {t\_5}^{2} + {t\_3}^{2}\right)}\right)}} \cdot t\_5\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array}
\end{array}
if (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dX.u)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dY.u))) < -0.100000001 or 0.00999999978 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dX.u)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dY.u))) Initial program 99.1%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3299.1
Applied rewrites99.1%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
lower-*.f32N/A
lower-pow.f32N/A
pow2N/A
lower-*.f3299.1
Applied rewrites99.1%
Taylor expanded in dY.v around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3299.1
Applied rewrites99.1%
if -0.100000001 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dX.u)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dY.u))) < 0.00999999978Initial program 52.4%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3239.3
Applied rewrites39.3%
Applied rewrites37.1%
Taylor expanded in dY.v around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3243.1
Applied rewrites43.1%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3252.6
Applied rewrites52.6%
Final simplification69.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.v (floor h)))
(t_1 (* dX.v (floor h)))
(t_2 (* dX.u (floor w)))
(t_3 (pow t_2 2.0))
(t_4 (+ (* t_1 t_1) (* t_2 t_2)))
(t_5 (* dY.u (floor w)))
(t_6 (+ (pow t_5 2.0) (pow t_0 2.0)))
(t_7 (+ (* t_0 t_0) (* t_5 t_5)))
(t_8 (* (/ 1.0 (pow (fmax (+ (exp (/ 0.0 0.0)) t_3) t_6) 0.5)) t_5))
(t_9
(/
(/ (* (- dX.u) (floor w)) -1.0)
(sqrt (fmax (+ t_3 (pow t_1 2.0)) t_6))))
(t_10 (/ 1.0 (sqrt (fmax t_4 t_7)))))
(if (<= (if (>= t_4 t_7) (* t_10 t_2) (* t_10 t_5)) 0.004000000189989805)
(if (>= (* (* (pow (floor h) 2.0) dX.v) dX.v) t_7) t_9 t_8)
(if (>= (* (* (pow (floor w) 2.0) dX.u) dX.u) t_7) t_9 t_8))))
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 = dY_46_v * floorf(h);
float t_1 = dX_46_v * floorf(h);
float t_2 = dX_46_u * floorf(w);
float t_3 = powf(t_2, 2.0f);
float t_4 = (t_1 * t_1) + (t_2 * t_2);
float t_5 = dY_46_u * floorf(w);
float t_6 = powf(t_5, 2.0f) + powf(t_0, 2.0f);
float t_7 = (t_0 * t_0) + (t_5 * t_5);
float t_8 = (1.0f / powf(fmaxf((expf((0.0f / 0.0f)) + t_3), t_6), 0.5f)) * t_5;
float t_9 = ((-dX_46_u * floorf(w)) / -1.0f) / sqrtf(fmaxf((t_3 + powf(t_1, 2.0f)), t_6));
float t_10 = 1.0f / sqrtf(fmaxf(t_4, t_7));
float tmp;
if (t_4 >= t_7) {
tmp = t_10 * t_2;
} else {
tmp = t_10 * t_5;
}
float tmp_2;
if (tmp <= 0.004000000189989805f) {
float tmp_3;
if (((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= t_7) {
tmp_3 = t_9;
} else {
tmp_3 = t_8;
}
tmp_2 = tmp_3;
} else if (((powf(floorf(w), 2.0f) * dX_46_u) * dX_46_u) >= t_7) {
tmp_2 = t_9;
} else {
tmp_2 = t_8;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_v * floor(h)) t_1 = Float32(dX_46_v * floor(h)) t_2 = Float32(dX_46_u * floor(w)) t_3 = t_2 ^ Float32(2.0) t_4 = Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) t_5 = Float32(dY_46_u * floor(w)) t_6 = Float32((t_5 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_7 = Float32(Float32(t_0 * t_0) + Float32(t_5 * t_5)) t_8 = Float32(Float32(Float32(1.0) / (((Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_3) != Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_3)) ? t_6 : ((t_6 != t_6) ? Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_3) : max(Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_3), t_6))) ^ Float32(0.5))) * t_5) t_9 = Float32(Float32(Float32(Float32(-dX_46_u) * floor(w)) / Float32(-1.0)) / sqrt(((Float32(t_3 + (t_1 ^ Float32(2.0))) != Float32(t_3 + (t_1 ^ Float32(2.0)))) ? t_6 : ((t_6 != t_6) ? Float32(t_3 + (t_1 ^ Float32(2.0))) : max(Float32(t_3 + (t_1 ^ Float32(2.0))), t_6))))) t_10 = Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? t_7 : ((t_7 != t_7) ? t_4 : max(t_4, t_7))))) tmp = Float32(0.0) if (t_4 >= t_7) tmp = Float32(t_10 * t_2); else tmp = Float32(t_10 * t_5); end tmp_2 = Float32(0.0) if (tmp <= Float32(0.004000000189989805)) tmp_3 = Float32(0.0) if (Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= t_7) tmp_3 = t_9; else tmp_3 = t_8; end tmp_2 = tmp_3; elseif (Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) >= t_7) tmp_2 = t_9; else tmp_2 = t_8; end return tmp_2 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = dY_46_v * floor(h); t_1 = dX_46_v * floor(h); t_2 = dX_46_u * floor(w); t_3 = t_2 ^ single(2.0); t_4 = (t_1 * t_1) + (t_2 * t_2); t_5 = dY_46_u * floor(w); t_6 = (t_5 ^ single(2.0)) + (t_0 ^ single(2.0)); t_7 = (t_0 * t_0) + (t_5 * t_5); t_8 = (single(1.0) / (max((exp((single(0.0) / single(0.0))) + t_3), t_6) ^ single(0.5))) * t_5; t_9 = ((-dX_46_u * floor(w)) / single(-1.0)) / sqrt(max((t_3 + (t_1 ^ single(2.0))), t_6)); t_10 = single(1.0) / sqrt(max(t_4, t_7)); tmp = single(0.0); if (t_4 >= t_7) tmp = t_10 * t_2; else tmp = t_10 * t_5; end tmp_3 = single(0.0); if (tmp <= single(0.004000000189989805)) tmp_4 = single(0.0); if ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= t_7) tmp_4 = t_9; else tmp_4 = t_8; end tmp_3 = tmp_4; elseif ((((floor(w) ^ single(2.0)) * dX_46_u) * dX_46_u) >= t_7) tmp_3 = t_9; else tmp_3 = t_8; end tmp_5 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_2 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_3 := {t\_2}^{2}\\
t_4 := t\_1 \cdot t\_1 + t\_2 \cdot t\_2\\
t_5 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_6 := {t\_5}^{2} + {t\_0}^{2}\\
t_7 := t\_0 \cdot t\_0 + t\_5 \cdot t\_5\\
t_8 := \frac{1}{{\left(\mathsf{max}\left(e^{\frac{0}{0}} + t\_3, t\_6\right)\right)}^{0.5}} \cdot t\_5\\
t_9 := \frac{\frac{\left(-dX.u\right) \cdot \left\lfloor w\right\rfloor }{-1}}{\sqrt{\mathsf{max}\left(t\_3 + {t\_1}^{2}, t\_6\right)}}\\
t_10 := \frac{1}{\sqrt{\mathsf{max}\left(t\_4, t\_7\right)}}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_4 \geq t\_7:\\
\;\;\;\;t\_10 \cdot t\_2\\
\mathbf{else}:\\
\;\;\;\;t\_10 \cdot t\_5\\
\end{array} \leq 0.004000000189989805:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq t\_7:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{elif}\;\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot dX.u\right) \cdot dX.u \geq t\_7:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
if (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dX.u)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dY.u))) < 0.00400000019Initial program 60.8%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites60.9%
lift-sqrt.f32N/A
pow1/2N/A
lower-pow.f3260.9
Applied rewrites60.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3260.8
Applied rewrites60.8%
if 0.00400000019 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dX.u)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 w) dY.u))) Initial program 98.9%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites99.6%
lift-sqrt.f32N/A
pow1/2N/A
lower-pow.f3299.6
Applied rewrites99.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3299.6
Applied rewrites99.6%
Final simplification69.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (pow t_0 2.0))
(t_2 (* dY.u (floor w)))
(t_3 (* dX.v (floor h)))
(t_4 (* dY.v (floor h)))
(t_5 (+ (pow t_2 2.0) (pow t_4 2.0))))
(if (>= (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_4 t_4) (* t_2 t_2)))
(/
(/ (* (- dX.u) (floor w)) -1.0)
(sqrt (fmax (+ t_1 (pow t_3 2.0)) t_5)))
(* (/ 1.0 (pow (fmax (+ (exp (/ 0.0 0.0)) t_1) t_5) 0.5)) 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 = dX_46_u * floorf(w);
float t_1 = powf(t_0, 2.0f);
float t_2 = dY_46_u * floorf(w);
float t_3 = dX_46_v * floorf(h);
float t_4 = dY_46_v * floorf(h);
float t_5 = powf(t_2, 2.0f) + powf(t_4, 2.0f);
float tmp;
if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_4 * t_4) + (t_2 * t_2))) {
tmp = ((-dX_46_u * floorf(w)) / -1.0f) / sqrtf(fmaxf((t_1 + powf(t_3, 2.0f)), t_5));
} else {
tmp = (1.0f / powf(fmaxf((expf((0.0f / 0.0f)) + t_1), t_5), 0.5f)) * t_2;
}
return 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 = t_0 ^ Float32(2.0) t_2 = Float32(dY_46_u * floor(w)) t_3 = Float32(dX_46_v * floor(h)) t_4 = Float32(dY_46_v * floor(h)) t_5 = Float32((t_2 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) >= Float32(Float32(t_4 * t_4) + Float32(t_2 * t_2))) tmp = Float32(Float32(Float32(Float32(-dX_46_u) * floor(w)) / Float32(-1.0)) / sqrt(((Float32(t_1 + (t_3 ^ Float32(2.0))) != Float32(t_1 + (t_3 ^ Float32(2.0)))) ? t_5 : ((t_5 != t_5) ? Float32(t_1 + (t_3 ^ Float32(2.0))) : max(Float32(t_1 + (t_3 ^ Float32(2.0))), t_5))))); else tmp = Float32(Float32(Float32(1.0) / (((Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_1) != Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_1)) ? t_5 : ((t_5 != t_5) ? Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_1) : max(Float32(exp(Float32(Float32(0.0) / Float32(0.0))) + t_1), t_5))) ^ Float32(0.5))) * 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 = dX_46_u * floor(w); t_1 = t_0 ^ single(2.0); t_2 = dY_46_u * floor(w); t_3 = dX_46_v * floor(h); t_4 = dY_46_v * floor(h); t_5 = (t_2 ^ single(2.0)) + (t_4 ^ single(2.0)); tmp = single(0.0); if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_4 * t_4) + (t_2 * t_2))) tmp = ((-dX_46_u * floor(w)) / single(-1.0)) / sqrt(max((t_1 + (t_3 ^ single(2.0))), t_5)); else tmp = (single(1.0) / (max((exp((single(0.0) / single(0.0))) + t_1), t_5) ^ single(0.5))) * t_2; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := {t\_0}^{2}\\
t_2 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_3 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_4 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_5 := {t\_2}^{2} + {t\_4}^{2}\\
\mathbf{if}\;t\_3 \cdot t\_3 + t\_0 \cdot t\_0 \geq t\_4 \cdot t\_4 + t\_2 \cdot t\_2:\\
\;\;\;\;\frac{\frac{\left(-dX.u\right) \cdot \left\lfloor w\right\rfloor }{-1}}{\sqrt{\mathsf{max}\left(t\_1 + {t\_3}^{2}, t\_5\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{{\left(\mathsf{max}\left(e^{\frac{0}{0}} + t\_1, t\_5\right)\right)}^{0.5}} \cdot t\_2\\
\end{array}
\end{array}
Initial program 68.8%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites69.1%
lift-sqrt.f32N/A
pow1/2N/A
lower-pow.f3269.1
Applied rewrites69.1%
Final simplification69.1%
(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) 2.0))
(t_2 (* dY.v (floor h)))
(t_3 (* dY.u (floor w)))
(t_4 (+ (* t_2 t_2) (* t_3 t_3)))
(t_5 (* dX.v (floor h)))
(t_6 (* t_0 t_0)))
(if (>= (* (* (pow (floor w) 2.0) dX.u) dX.u) (* (* t_1 dY.v) dY.v))
(* (/ 1.0 (sqrt (fmax (+ (* (* dX.v dX.v) t_1) t_6) t_4))) t_0)
(* (/ 1.0 (sqrt (fmax (+ (* t_5 t_5) t_6) t_4))) 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 = dX_46_u * floorf(w);
float t_1 = powf(floorf(h), 2.0f);
float t_2 = dY_46_v * floorf(h);
float t_3 = dY_46_u * floorf(w);
float t_4 = (t_2 * t_2) + (t_3 * t_3);
float t_5 = dX_46_v * floorf(h);
float t_6 = t_0 * t_0;
float tmp;
if (((powf(floorf(w), 2.0f) * dX_46_u) * dX_46_u) >= ((t_1 * dY_46_v) * dY_46_v)) {
tmp = (1.0f / sqrtf(fmaxf((((dX_46_v * dX_46_v) * t_1) + t_6), t_4))) * t_0;
} else {
tmp = (1.0f / sqrtf(fmaxf(((t_5 * t_5) + t_6), t_4))) * t_3;
}
return 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 = floor(h) ^ Float32(2.0) t_2 = Float32(dY_46_v * floor(h)) t_3 = Float32(dY_46_u * floor(w)) t_4 = Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) t_5 = Float32(dX_46_v * floor(h)) t_6 = Float32(t_0 * t_0) tmp = Float32(0.0) if (Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) >= Float32(Float32(t_1 * dY_46_v) * dY_46_v)) tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(Float32(dX_46_v * dX_46_v) * t_1) + t_6) != Float32(Float32(Float32(dX_46_v * dX_46_v) * t_1) + t_6)) ? t_4 : ((t_4 != t_4) ? Float32(Float32(Float32(dX_46_v * dX_46_v) * t_1) + t_6) : max(Float32(Float32(Float32(dX_46_v * dX_46_v) * t_1) + t_6), t_4))))) * t_0); else tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(t_5 * t_5) + t_6) != Float32(Float32(t_5 * t_5) + t_6)) ? t_4 : ((t_4 != t_4) ? Float32(Float32(t_5 * t_5) + t_6) : max(Float32(Float32(t_5 * t_5) + t_6), t_4))))) * 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 = dX_46_u * floor(w); t_1 = floor(h) ^ single(2.0); t_2 = dY_46_v * floor(h); t_3 = dY_46_u * floor(w); t_4 = (t_2 * t_2) + (t_3 * t_3); t_5 = dX_46_v * floor(h); t_6 = t_0 * t_0; tmp = single(0.0); if ((((floor(w) ^ single(2.0)) * dX_46_u) * dX_46_u) >= ((t_1 * dY_46_v) * dY_46_v)) tmp = (single(1.0) / sqrt(max((((dX_46_v * dX_46_v) * t_1) + t_6), t_4))) * t_0; else tmp = (single(1.0) / sqrt(max(((t_5 * t_5) + t_6), t_4))) * t_3; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_3 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_4 := t\_2 \cdot t\_2 + t\_3 \cdot t\_3\\
t_5 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_6 := t\_0 \cdot t\_0\\
\mathbf{if}\;\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot dX.u\right) \cdot dX.u \geq \left(t\_1 \cdot dY.v\right) \cdot dY.v:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(\left(dX.v \cdot dX.v\right) \cdot t\_1 + t\_6, t\_4\right)}} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5 \cdot t\_5 + t\_6, t\_4\right)}} \cdot t\_3\\
\end{array}
\end{array}
Initial program 68.8%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3260.3
Applied rewrites60.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
lower-*.f32N/A
lower-pow.f32N/A
pow2N/A
lower-*.f3260.3
Applied rewrites60.3%
Taylor expanded in dY.v around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3258.7
Applied rewrites58.7%
Final simplification58.7%
herbie shell --seed 2024264
(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))))