
(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\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\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor 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\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\_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 (* dY.v (floor h)))
(t_1 (+ (pow t_0 2.0) (pow (* dY.u (floor w)) 2.0)))
(t_2 (pow (* dX.v (floor h)) 2.0))
(t_3 (+ t_2 (pow (* (floor w) dX.u) 2.0))))
(if (>= t_3 t_1)
(/
(/ (* (- dX.v) (floor h)) -1.0)
(sqrt (fmax (+ (* (* dX.u dX.u) (pow (floor w) 2.0)) t_2) t_1)))
(* t_0 (/ 1.0 (sqrt (fmax t_3 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 = dY_46_v * floorf(h);
float t_1 = powf(t_0, 2.0f) + powf((dY_46_u * floorf(w)), 2.0f);
float t_2 = powf((dX_46_v * floorf(h)), 2.0f);
float t_3 = t_2 + powf((floorf(w) * dX_46_u), 2.0f);
float tmp;
if (t_3 >= t_1) {
tmp = ((-dX_46_v * floorf(h)) / -1.0f) / sqrtf(fmaxf((((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)) + t_2), t_1));
} else {
tmp = t_0 * (1.0f / sqrtf(fmaxf(t_3, t_1)));
}
return tmp;
}
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((t_0 ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) t_2 = Float32(dX_46_v * floor(h)) ^ Float32(2.0) t_3 = Float32(t_2 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) tmp = Float32(0.0) if (t_3 >= t_1) tmp = Float32(Float32(Float32(Float32(-dX_46_v) * floor(h)) / Float32(-1.0)) / sqrt(((Float32(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) + t_2) != Float32(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) + t_2)) ? t_1 : ((t_1 != t_1) ? Float32(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) + t_2) : max(Float32(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) + t_2), t_1))))); else tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_1 : ((t_1 != t_1) ? t_3 : max(t_3, 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 = dY_46_v * floor(h); t_1 = (t_0 ^ single(2.0)) + ((dY_46_u * floor(w)) ^ single(2.0)); t_2 = (dX_46_v * floor(h)) ^ single(2.0); t_3 = t_2 + ((floor(w) * dX_46_u) ^ single(2.0)); tmp = single(0.0); if (t_3 >= t_1) tmp = ((-dX_46_v * floor(h)) / single(-1.0)) / sqrt(max((((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))) + t_2), t_1)); else tmp = t_0 * (single(1.0) / sqrt(max(t_3, t_1))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := {t\_0}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := t\_2 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
\mathbf{if}\;t\_3 \geq t\_1:\\
\;\;\;\;\frac{\frac{\left(-dX.v\right) \cdot \left\lfloor h\right\rfloor }{-1}}{\sqrt{\mathsf{max}\left(\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2} + t\_2, t\_1\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_1\right)}}\\
\end{array}
\end{array}
Initial program 69.2%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites69.4%
Applied rewrites69.4%
lift-pow.f32N/A
lift-*.f32N/A
*-commutativeN/A
unpow-prod-downN/A
lift-pow.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3269.4
Applied rewrites69.4%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lower-pow.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3269.4
Applied rewrites69.4%
Final simplification69.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* dY.u (floor w)))
(t_2 (* dX.v (floor h)))
(t_3 (* t_0 t_0))
(t_4 (* dY.v (floor h)))
(t_5 (+ (pow t_4 2.0) (pow t_1 2.0)))
(t_6 (+ (* t_4 t_4) (* t_1 t_1)))
(t_7 (/ 1.0 (sqrt (fmax (+ (* t_2 t_2) t_3) t_6))))
(t_8 (* t_7 t_2)))
(if (<= dX.u 5.000000058430487e-8)
(if (>= (pow t_2 2.0) t_5) t_8 (* t_7 t_4))
(if (>= (* (* (pow (floor w) 2.0) dX.u) dX.u) t_5)
t_8
(*
(/
1.0
(sqrt (fmax (+ (exp (* (* (* 0.5 (log t_2)) 2.0) 2.0)) t_3) 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) * dX_46_u;
float t_1 = dY_46_u * floorf(w);
float t_2 = dX_46_v * floorf(h);
float t_3 = t_0 * t_0;
float t_4 = dY_46_v * floorf(h);
float t_5 = powf(t_4, 2.0f) + powf(t_1, 2.0f);
float t_6 = (t_4 * t_4) + (t_1 * t_1);
float t_7 = 1.0f / sqrtf(fmaxf(((t_2 * t_2) + t_3), t_6));
float t_8 = t_7 * t_2;
float tmp_1;
if (dX_46_u <= 5.000000058430487e-8f) {
float tmp_2;
if (powf(t_2, 2.0f) >= t_5) {
tmp_2 = t_8;
} else {
tmp_2 = t_7 * t_4;
}
tmp_1 = tmp_2;
} else if (((powf(floorf(w), 2.0f) * dX_46_u) * dX_46_u) >= t_5) {
tmp_1 = t_8;
} else {
tmp_1 = (1.0f / sqrtf(fmaxf((expf((((0.5f * logf(t_2)) * 2.0f) * 2.0f)) + t_3), t_6))) * 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) * dX_46_u) t_1 = Float32(dY_46_u * floor(w)) t_2 = Float32(dX_46_v * floor(h)) t_3 = Float32(t_0 * t_0) t_4 = Float32(dY_46_v * floor(h)) t_5 = Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) t_6 = Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1)) t_7 = Float32(Float32(1.0) / sqrt(((Float32(Float32(t_2 * t_2) + t_3) != Float32(Float32(t_2 * t_2) + t_3)) ? t_6 : ((t_6 != t_6) ? Float32(Float32(t_2 * t_2) + t_3) : max(Float32(Float32(t_2 * t_2) + t_3), t_6))))) t_8 = Float32(t_7 * t_2) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(5.000000058430487e-8)) tmp_2 = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= t_5) tmp_2 = t_8; else tmp_2 = Float32(t_7 * t_4); end tmp_1 = tmp_2; elseif (Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) >= t_5) tmp_1 = t_8; else tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((Float32(exp(Float32(Float32(Float32(Float32(0.5) * log(t_2)) * Float32(2.0)) * Float32(2.0))) + t_3) != Float32(exp(Float32(Float32(Float32(Float32(0.5) * log(t_2)) * Float32(2.0)) * Float32(2.0))) + t_3)) ? t_6 : ((t_6 != t_6) ? Float32(exp(Float32(Float32(Float32(Float32(0.5) * log(t_2)) * Float32(2.0)) * Float32(2.0))) + t_3) : max(Float32(exp(Float32(Float32(Float32(Float32(0.5) * log(t_2)) * Float32(2.0)) * Float32(2.0))) + t_3), t_6))))) * 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) * dX_46_u; t_1 = dY_46_u * floor(w); t_2 = dX_46_v * floor(h); t_3 = t_0 * t_0; t_4 = dY_46_v * floor(h); t_5 = (t_4 ^ single(2.0)) + (t_1 ^ single(2.0)); t_6 = (t_4 * t_4) + (t_1 * t_1); t_7 = single(1.0) / sqrt(max(((t_2 * t_2) + t_3), t_6)); t_8 = t_7 * t_2; tmp_2 = single(0.0); if (dX_46_u <= single(5.000000058430487e-8)) tmp_3 = single(0.0); if ((t_2 ^ single(2.0)) >= t_5) tmp_3 = t_8; else tmp_3 = t_7 * t_4; end tmp_2 = tmp_3; elseif ((((floor(w) ^ single(2.0)) * dX_46_u) * dX_46_u) >= t_5) tmp_2 = t_8; else tmp_2 = (single(1.0) / sqrt(max((exp((((single(0.5) * log(t_2)) * single(2.0)) * single(2.0))) + t_3), t_6))) * t_4; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_2 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_3 := t\_0 \cdot t\_0\\
t_4 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_5 := {t\_4}^{2} + {t\_1}^{2}\\
t_6 := t\_4 \cdot t\_4 + t\_1 \cdot t\_1\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_2 \cdot t\_2 + t\_3, t\_6\right)}}\\
t_8 := t\_7 \cdot t\_2\\
\mathbf{if}\;dX.u \leq 5.000000058430487 \cdot 10^{-8}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_2}^{2} \geq t\_5:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_7 \cdot t\_4\\
\end{array}\\
\mathbf{elif}\;\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot dX.u\right) \cdot dX.u \geq t\_5:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(e^{\left(\left(0.5 \cdot \log t\_2\right) \cdot 2\right) \cdot 2} + t\_3, t\_6\right)}} \cdot t\_4\\
\end{array}
\end{array}
if dX.u < 5.00000006e-8Initial program 71.5%
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.f3259.6
Applied rewrites59.6%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3259.6
Applied rewrites59.6%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3259.6
Applied rewrites59.6%
Taylor expanded in dX.u around 0
unpow2N/A
unpow2N/A
unswap-sqrN/A
unpow2N/A
lower-pow.f32N/A
lower-*.f32N/A
lower-floor.f3266.9
Applied rewrites66.9%
if 5.00000006e-8 < dX.u Initial program 65.7%
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.f3261.3
Applied rewrites61.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3261.3
Applied rewrites61.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3261.3
Applied rewrites61.3%
lift-*.f32N/A
pow2N/A
pow-to-expN/A
lift-log.f32N/A
*-commutativeN/A
pow-expN/A
lift-exp.f32N/A
sqr-powN/A
pow-sqrN/A
pow-to-expN/A
lower-exp.f32N/A
lift-exp.f32N/A
rem-log-expN/A
lower-*.f32N/A
lower-*.f32N/A
div-invN/A
metadata-evalN/A
lower-*.f3263.1
Applied rewrites63.1%
Final simplification65.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* dX.v (floor h)))
(t_2 (* t_1 t_1))
(t_3 (* dY.v (floor h)))
(t_4 (* dY.u (floor w)))
(t_5 (+ (pow t_3 2.0) (pow t_4 2.0)))
(t_6 (+ (* t_3 t_3) (* t_4 t_4)))
(t_7 (/ 1.0 (sqrt (fmax (+ t_2 (* t_0 t_0)) t_6))))
(t_8 (* t_7 t_3))
(t_9 (pow (floor w) 2.0)))
(if (<= dX.u 4.999999873689376e-6)
(if (>= (pow t_1 2.0) t_5) (* t_7 t_1) t_8)
(if (>= (* (* t_9 dX.u) dX.u) t_5)
(* (/ 1.0 (sqrt (fmax (+ t_2 (* (* dX.u dX.u) t_9)) t_6))) t_1)
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 = floorf(w) * dX_46_u;
float t_1 = dX_46_v * floorf(h);
float t_2 = t_1 * t_1;
float t_3 = dY_46_v * floorf(h);
float t_4 = dY_46_u * floorf(w);
float t_5 = powf(t_3, 2.0f) + powf(t_4, 2.0f);
float t_6 = (t_3 * t_3) + (t_4 * t_4);
float t_7 = 1.0f / sqrtf(fmaxf((t_2 + (t_0 * t_0)), t_6));
float t_8 = t_7 * t_3;
float t_9 = powf(floorf(w), 2.0f);
float tmp_1;
if (dX_46_u <= 4.999999873689376e-6f) {
float tmp_2;
if (powf(t_1, 2.0f) >= t_5) {
tmp_2 = t_7 * t_1;
} else {
tmp_2 = t_8;
}
tmp_1 = tmp_2;
} else if (((t_9 * dX_46_u) * dX_46_u) >= t_5) {
tmp_1 = (1.0f / sqrtf(fmaxf((t_2 + ((dX_46_u * dX_46_u) * t_9)), t_6))) * t_1;
} else {
tmp_1 = t_8;
}
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) * dX_46_u) t_1 = Float32(dX_46_v * floor(h)) t_2 = Float32(t_1 * t_1) t_3 = Float32(dY_46_v * floor(h)) t_4 = Float32(dY_46_u * floor(w)) t_5 = Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) t_6 = Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) t_7 = Float32(Float32(1.0) / sqrt(((Float32(t_2 + Float32(t_0 * t_0)) != Float32(t_2 + Float32(t_0 * t_0))) ? t_6 : ((t_6 != t_6) ? Float32(t_2 + Float32(t_0 * t_0)) : max(Float32(t_2 + Float32(t_0 * t_0)), t_6))))) t_8 = Float32(t_7 * t_3) t_9 = floor(w) ^ Float32(2.0) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(4.999999873689376e-6)) tmp_2 = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= t_5) tmp_2 = Float32(t_7 * t_1); else tmp_2 = t_8; end tmp_1 = tmp_2; elseif (Float32(Float32(t_9 * dX_46_u) * dX_46_u) >= t_5) tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((Float32(t_2 + Float32(Float32(dX_46_u * dX_46_u) * t_9)) != Float32(t_2 + Float32(Float32(dX_46_u * dX_46_u) * t_9))) ? t_6 : ((t_6 != t_6) ? Float32(t_2 + Float32(Float32(dX_46_u * dX_46_u) * t_9)) : max(Float32(t_2 + Float32(Float32(dX_46_u * dX_46_u) * t_9)), t_6))))) * t_1); else tmp_1 = t_8; 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) * dX_46_u; t_1 = dX_46_v * floor(h); t_2 = t_1 * t_1; t_3 = dY_46_v * floor(h); t_4 = dY_46_u * floor(w); t_5 = (t_3 ^ single(2.0)) + (t_4 ^ single(2.0)); t_6 = (t_3 * t_3) + (t_4 * t_4); t_7 = single(1.0) / sqrt(max((t_2 + (t_0 * t_0)), t_6)); t_8 = t_7 * t_3; t_9 = floor(w) ^ single(2.0); tmp_2 = single(0.0); if (dX_46_u <= single(4.999999873689376e-6)) tmp_3 = single(0.0); if ((t_1 ^ single(2.0)) >= t_5) tmp_3 = t_7 * t_1; else tmp_3 = t_8; end tmp_2 = tmp_3; elseif (((t_9 * dX_46_u) * dX_46_u) >= t_5) tmp_2 = (single(1.0) / sqrt(max((t_2 + ((dX_46_u * dX_46_u) * t_9)), t_6))) * t_1; else tmp_2 = t_8; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_2 := t\_1 \cdot t\_1\\
t_3 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_4 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_5 := {t\_3}^{2} + {t\_4}^{2}\\
t_6 := t\_3 \cdot t\_3 + t\_4 \cdot t\_4\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_2 + t\_0 \cdot t\_0, t\_6\right)}}\\
t_8 := t\_7 \cdot t\_3\\
t_9 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
\mathbf{if}\;dX.u \leq 4.999999873689376 \cdot 10^{-6}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_1}^{2} \geq t\_5:\\
\;\;\;\;t\_7 \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{elif}\;\left(t\_9 \cdot dX.u\right) \cdot dX.u \geq t\_5:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_2 + \left(dX.u \cdot dX.u\right) \cdot t\_9, t\_6\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
if dX.u < 4.99999987e-6Initial program 72.1%
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.f3260.3
Applied rewrites60.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.3
Applied rewrites60.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.3
Applied rewrites60.3%
Taylor expanded in dX.u around 0
unpow2N/A
unpow2N/A
unswap-sqrN/A
unpow2N/A
lower-pow.f32N/A
lower-*.f32N/A
lower-floor.f3267.5
Applied rewrites67.5%
if 4.99999987e-6 < dX.u Initial program 64.7%
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.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-*.f3260.2
Applied rewrites60.2%
Final simplification64.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* dX.v (floor h)))
(t_2 (* t_1 t_1))
(t_3 (* dY.v (floor h)))
(t_4 (* dY.u (floor w)))
(t_5 (+ (pow t_3 2.0) (pow t_4 2.0)))
(t_6 (+ (* t_3 t_3) (* t_4 t_4)))
(t_7 (/ 1.0 (sqrt (fmax (+ t_2 (* t_0 t_0)) t_6))))
(t_8 (* t_7 t_3)))
(if (<= dX.u 4.999999873689376e-6)
(if (>= (pow t_1 2.0) t_5) (* t_7 t_1) t_8)
(if (>= (* (* (pow (floor w) 2.0) dX.u) dX.u) t_5)
(*
(/
1.0
(sqrt (fmax (+ (* (* (* dX.u dX.u) (floor w)) (floor w)) t_2) t_6)))
t_1)
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 = floorf(w) * dX_46_u;
float t_1 = dX_46_v * floorf(h);
float t_2 = t_1 * t_1;
float t_3 = dY_46_v * floorf(h);
float t_4 = dY_46_u * floorf(w);
float t_5 = powf(t_3, 2.0f) + powf(t_4, 2.0f);
float t_6 = (t_3 * t_3) + (t_4 * t_4);
float t_7 = 1.0f / sqrtf(fmaxf((t_2 + (t_0 * t_0)), t_6));
float t_8 = t_7 * t_3;
float tmp_1;
if (dX_46_u <= 4.999999873689376e-6f) {
float tmp_2;
if (powf(t_1, 2.0f) >= t_5) {
tmp_2 = t_7 * t_1;
} else {
tmp_2 = t_8;
}
tmp_1 = tmp_2;
} else if (((powf(floorf(w), 2.0f) * dX_46_u) * dX_46_u) >= t_5) {
tmp_1 = (1.0f / sqrtf(fmaxf(((((dX_46_u * dX_46_u) * floorf(w)) * floorf(w)) + t_2), t_6))) * t_1;
} else {
tmp_1 = t_8;
}
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) * dX_46_u) t_1 = Float32(dX_46_v * floor(h)) t_2 = Float32(t_1 * t_1) t_3 = Float32(dY_46_v * floor(h)) t_4 = Float32(dY_46_u * floor(w)) t_5 = Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) t_6 = Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) t_7 = Float32(Float32(1.0) / sqrt(((Float32(t_2 + Float32(t_0 * t_0)) != Float32(t_2 + Float32(t_0 * t_0))) ? t_6 : ((t_6 != t_6) ? Float32(t_2 + Float32(t_0 * t_0)) : max(Float32(t_2 + Float32(t_0 * t_0)), t_6))))) t_8 = Float32(t_7 * t_3) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(4.999999873689376e-6)) tmp_2 = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= t_5) tmp_2 = Float32(t_7 * t_1); else tmp_2 = t_8; end tmp_1 = tmp_2; elseif (Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) >= t_5) tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(Float32(Float32(dX_46_u * dX_46_u) * floor(w)) * floor(w)) + t_2) != Float32(Float32(Float32(Float32(dX_46_u * dX_46_u) * floor(w)) * floor(w)) + t_2)) ? t_6 : ((t_6 != t_6) ? Float32(Float32(Float32(Float32(dX_46_u * dX_46_u) * floor(w)) * floor(w)) + t_2) : max(Float32(Float32(Float32(Float32(dX_46_u * dX_46_u) * floor(w)) * floor(w)) + t_2), t_6))))) * t_1); else tmp_1 = t_8; 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) * dX_46_u; t_1 = dX_46_v * floor(h); t_2 = t_1 * t_1; t_3 = dY_46_v * floor(h); t_4 = dY_46_u * floor(w); t_5 = (t_3 ^ single(2.0)) + (t_4 ^ single(2.0)); t_6 = (t_3 * t_3) + (t_4 * t_4); t_7 = single(1.0) / sqrt(max((t_2 + (t_0 * t_0)), t_6)); t_8 = t_7 * t_3; tmp_2 = single(0.0); if (dX_46_u <= single(4.999999873689376e-6)) tmp_3 = single(0.0); if ((t_1 ^ single(2.0)) >= t_5) tmp_3 = t_7 * t_1; else tmp_3 = t_8; end tmp_2 = tmp_3; elseif ((((floor(w) ^ single(2.0)) * dX_46_u) * dX_46_u) >= t_5) tmp_2 = (single(1.0) / sqrt(max(((((dX_46_u * dX_46_u) * floor(w)) * floor(w)) + t_2), t_6))) * t_1; else tmp_2 = t_8; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_2 := t\_1 \cdot t\_1\\
t_3 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_4 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_5 := {t\_3}^{2} + {t\_4}^{2}\\
t_6 := t\_3 \cdot t\_3 + t\_4 \cdot t\_4\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_2 + t\_0 \cdot t\_0, t\_6\right)}}\\
t_8 := t\_7 \cdot t\_3\\
\mathbf{if}\;dX.u \leq 4.999999873689376 \cdot 10^{-6}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_1}^{2} \geq t\_5:\\
\;\;\;\;t\_7 \cdot t\_1\\
\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\_5:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(\left(\left(dX.u \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right) \cdot \left\lfloor w\right\rfloor + t\_2, t\_6\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
if dX.u < 4.99999987e-6Initial program 72.1%
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.f3260.3
Applied rewrites60.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.3
Applied rewrites60.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.3
Applied rewrites60.3%
Taylor expanded in dX.u around 0
unpow2N/A
unpow2N/A
unswap-sqrN/A
unpow2N/A
lower-pow.f32N/A
lower-*.f32N/A
lower-floor.f3267.5
Applied rewrites67.5%
if 4.99999987e-6 < dX.u Initial program 64.7%
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.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
lift-*.f32N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f3260.3
Applied rewrites60.3%
Final simplification64.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* dY.v (floor h)))
(t_2 (* dX.v (floor h)))
(t_3 (* dY.u (floor w)))
(t_4 (+ (pow t_1 2.0) (pow t_3 2.0)))
(t_5
(/
1.0
(sqrt
(fmax (+ (* t_2 t_2) (* t_0 t_0)) (+ (* t_1 t_1) (* t_3 t_3))))))
(t_6 (* t_5 t_2))
(t_7 (* t_5 t_1)))
(if (<= dX.u 4.999999873689376e-6)
(if (>= (pow t_2 2.0) t_4) t_6 t_7)
(if (>= (pow t_0 2.0) t_4) t_6 t_7))))
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) * dX_46_u;
float t_1 = dY_46_v * floorf(h);
float t_2 = dX_46_v * floorf(h);
float t_3 = dY_46_u * floorf(w);
float t_4 = powf(t_1, 2.0f) + powf(t_3, 2.0f);
float t_5 = 1.0f / sqrtf(fmaxf(((t_2 * t_2) + (t_0 * t_0)), ((t_1 * t_1) + (t_3 * t_3))));
float t_6 = t_5 * t_2;
float t_7 = t_5 * t_1;
float tmp_1;
if (dX_46_u <= 4.999999873689376e-6f) {
float tmp_2;
if (powf(t_2, 2.0f) >= t_4) {
tmp_2 = t_6;
} else {
tmp_2 = t_7;
}
tmp_1 = tmp_2;
} else if (powf(t_0, 2.0f) >= t_4) {
tmp_1 = t_6;
} else {
tmp_1 = t_7;
}
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) * dX_46_u) t_1 = Float32(dY_46_v * floor(h)) t_2 = Float32(dX_46_v * floor(h)) t_3 = Float32(dY_46_u * floor(w)) t_4 = Float32((t_1 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) t_5 = Float32(Float32(1.0) / sqrt(((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_1 * t_1) + Float32(t_3 * t_3)) : ((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_2 * t_2) + Float32(t_0 * t_0)) : max(Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3))))))) t_6 = Float32(t_5 * t_2) t_7 = Float32(t_5 * t_1) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(4.999999873689376e-6)) tmp_2 = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= t_4) tmp_2 = t_6; else tmp_2 = t_7; end tmp_1 = tmp_2; elseif ((t_0 ^ Float32(2.0)) >= t_4) tmp_1 = t_6; else tmp_1 = t_7; 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) * dX_46_u; t_1 = dY_46_v * floor(h); t_2 = dX_46_v * floor(h); t_3 = dY_46_u * floor(w); t_4 = (t_1 ^ single(2.0)) + (t_3 ^ single(2.0)); t_5 = single(1.0) / sqrt(max(((t_2 * t_2) + (t_0 * t_0)), ((t_1 * t_1) + (t_3 * t_3)))); t_6 = t_5 * t_2; t_7 = t_5 * t_1; tmp_2 = single(0.0); if (dX_46_u <= single(4.999999873689376e-6)) tmp_3 = single(0.0); if ((t_2 ^ single(2.0)) >= t_4) tmp_3 = t_6; else tmp_3 = t_7; end tmp_2 = tmp_3; elseif ((t_0 ^ single(2.0)) >= t_4) tmp_2 = t_6; else tmp_2 = t_7; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_2 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_3 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_4 := {t\_1}^{2} + {t\_3}^{2}\\
t_5 := \frac{1}{\sqrt{\mathsf{max}\left(t\_2 \cdot t\_2 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_3 \cdot t\_3\right)}}\\
t_6 := t\_5 \cdot t\_2\\
t_7 := t\_5 \cdot t\_1\\
\mathbf{if}\;dX.u \leq 4.999999873689376 \cdot 10^{-6}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_2}^{2} \geq t\_4:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{elif}\;{t\_0}^{2} \geq t\_4:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}
\end{array}
if dX.u < 4.99999987e-6Initial program 72.1%
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.f3260.3
Applied rewrites60.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.3
Applied rewrites60.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.3
Applied rewrites60.3%
Taylor expanded in dX.u around 0
unpow2N/A
unpow2N/A
unswap-sqrN/A
unpow2N/A
lower-pow.f32N/A
lower-*.f32N/A
lower-floor.f3267.5
Applied rewrites67.5%
if 4.99999987e-6 < dX.u Initial program 64.7%
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.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.2
Applied rewrites60.2%
Applied rewrites60.2%
Final simplification64.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.v (floor h)))
(t_1 (* dY.u (floor w)))
(t_2 (* (floor w) dX.u))
(t_3 (* dX.v (floor h)))
(t_4
(/
1.0
(sqrt
(fmax (+ (* t_3 t_3) (* t_2 t_2)) (+ (* t_0 t_0) (* t_1 t_1)))))))
(if (>= (pow t_2 2.0) (+ (pow t_0 2.0) (pow t_1 2.0)))
(* t_4 t_3)
(* t_4 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 = dY_46_v * floorf(h);
float t_1 = dY_46_u * floorf(w);
float t_2 = floorf(w) * dX_46_u;
float t_3 = dX_46_v * floorf(h);
float t_4 = 1.0f / sqrtf(fmaxf(((t_3 * t_3) + (t_2 * t_2)), ((t_0 * t_0) + (t_1 * t_1))));
float tmp;
if (powf(t_2, 2.0f) >= (powf(t_0, 2.0f) + powf(t_1, 2.0f))) {
tmp = t_4 * t_3;
} else {
tmp = t_4 * t_0;
}
return tmp;
}
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(dY_46_u * floor(w)) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(dX_46_v * floor(h)) t_4 = Float32(Float32(1.0) / sqrt(((Float32(Float32(t_3 * t_3) + Float32(t_2 * t_2)) != Float32(Float32(t_3 * t_3) + Float32(t_2 * t_2))) ? Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) : ((Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) != Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1))) ? Float32(Float32(t_3 * t_3) + Float32(t_2 * t_2)) : max(Float32(Float32(t_3 * t_3) + Float32(t_2 * t_2)), Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1))))))) tmp = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= Float32((t_0 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) tmp = Float32(t_4 * t_3); else tmp = Float32(t_4 * 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 = dY_46_v * floor(h); t_1 = dY_46_u * floor(w); t_2 = floor(w) * dX_46_u; t_3 = dX_46_v * floor(h); t_4 = single(1.0) / sqrt(max(((t_3 * t_3) + (t_2 * t_2)), ((t_0 * t_0) + (t_1 * t_1)))); tmp = single(0.0); if ((t_2 ^ single(2.0)) >= ((t_0 ^ single(2.0)) + (t_1 ^ single(2.0)))) tmp = t_4 * t_3; else tmp = t_4 * t_0; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_4 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3 \cdot t\_3 + t\_2 \cdot t\_2, t\_0 \cdot t\_0 + t\_1 \cdot t\_1\right)}}\\
\mathbf{if}\;{t\_2}^{2} \geq {t\_0}^{2} + {t\_1}^{2}:\\
\;\;\;\;t\_4 \cdot t\_3\\
\mathbf{else}:\\
\;\;\;\;t\_4 \cdot t\_0\\
\end{array}
\end{array}
Initial program 69.2%
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
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.3
Applied rewrites60.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3260.3
Applied rewrites60.3%
Applied rewrites60.3%
Final simplification60.3%
herbie shell --seed 2024264
(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))))