
(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 (* dX.u (floor w)))
(t_1 (pow t_0 2.0))
(t_2 (* dY.u (floor w)))
(t_3 (pow (* dY.v (floor h)) 2.0))
(t_4 (+ (pow (* dX.v (floor h)) 2.0) t_1))
(t_5 (pow (* (floor w) dY.u) 2.0)))
(if (>= t_4 (+ t_3 t_5))
(/ t_0 (sqrt (fmax (+ (pow (* (floor h) dX.v) 2.0) t_1) (+ t_5 t_3))))
(/ t_2 (sqrt (fmax t_4 (+ t_3 (pow t_2 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 = dX_46_u * floorf(w);
float t_1 = powf(t_0, 2.0f);
float t_2 = dY_46_u * floorf(w);
float t_3 = powf((dY_46_v * floorf(h)), 2.0f);
float t_4 = powf((dX_46_v * floorf(h)), 2.0f) + t_1;
float t_5 = powf((floorf(w) * dY_46_u), 2.0f);
float tmp;
if (t_4 >= (t_3 + t_5)) {
tmp = t_0 / sqrtf(fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + t_1), (t_5 + t_3)));
} else {
tmp = t_2 / sqrtf(fmaxf(t_4, (t_3 + powf(t_2, 2.0f))));
}
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(dY_46_v * floor(h)) ^ Float32(2.0) t_4 = Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + t_1) t_5 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) tmp = Float32(0.0) if (t_4 >= Float32(t_3 + t_5)) tmp = Float32(t_0 / sqrt(((Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_1) != Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_1)) ? Float32(t_5 + t_3) : ((Float32(t_5 + t_3) != Float32(t_5 + t_3)) ? Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_1) : max(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_1), Float32(t_5 + t_3)))))); else tmp = Float32(t_2 / sqrt(((t_4 != t_4) ? Float32(t_3 + (t_2 ^ Float32(2.0))) : ((Float32(t_3 + (t_2 ^ Float32(2.0))) != Float32(t_3 + (t_2 ^ Float32(2.0)))) ? t_4 : max(t_4, Float32(t_3 + (t_2 ^ 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 = dX_46_u * floor(w); t_1 = t_0 ^ single(2.0); t_2 = dY_46_u * floor(w); t_3 = (dY_46_v * floor(h)) ^ single(2.0); t_4 = ((dX_46_v * floor(h)) ^ single(2.0)) + t_1; t_5 = (floor(w) * dY_46_u) ^ single(2.0); tmp = single(0.0); if (t_4 >= (t_3 + t_5)) tmp = t_0 / sqrt(max((((floor(h) * dX_46_v) ^ single(2.0)) + t_1), (t_5 + t_3))); else tmp = t_2 / sqrt(max(t_4, (t_3 + (t_2 ^ single(2.0))))); 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 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + t\_1\\
t_5 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
\mathbf{if}\;t\_4 \geq t\_3 + t\_5:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_1, t\_5 + t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{\sqrt{\mathsf{max}\left(t\_4, t\_3 + {t\_2}^{2}\right)}}\\
\end{array}
\end{array}
Initial program 77.1%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites77.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.3
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.3
lift-*.f32N/A
pow2N/A
lower-pow.f3277.3
Applied rewrites77.3%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
lift-+.f3277.3
Applied rewrites77.3%
Applied rewrites77.4%
Final simplification77.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* dX.u (floor w)) 2.0))
(t_1 (pow (* dY.v (floor h)) 2.0))
(t_2 (pow (* dX.v (floor h)) 2.0))
(t_3 (+ t_2 t_0))
(t_4 (* (floor w) dY.u))
(t_5 (pow t_4 2.0)))
(if (>= t_3 (+ t_1 t_5))
(* (/ 1.0 (sqrt (fmax (+ t_0 t_2) (+ t_5 t_1)))) (* (floor w) dX.u))
(/ t_4 (sqrt (fmax t_3 (+ t_1 (pow (* dY.u (floor w)) 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 = powf((dX_46_u * floorf(w)), 2.0f);
float t_1 = powf((dY_46_v * floorf(h)), 2.0f);
float t_2 = powf((dX_46_v * floorf(h)), 2.0f);
float t_3 = t_2 + t_0;
float t_4 = floorf(w) * dY_46_u;
float t_5 = powf(t_4, 2.0f);
float tmp;
if (t_3 >= (t_1 + t_5)) {
tmp = (1.0f / sqrtf(fmaxf((t_0 + t_2), (t_5 + t_1)))) * (floorf(w) * dX_46_u);
} else {
tmp = t_4 / sqrtf(fmaxf(t_3, (t_1 + powf((dY_46_u * floorf(w)), 2.0f))));
}
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)) ^ Float32(2.0) t_1 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_2 = Float32(dX_46_v * floor(h)) ^ Float32(2.0) t_3 = Float32(t_2 + t_0) t_4 = Float32(floor(w) * dY_46_u) t_5 = t_4 ^ Float32(2.0) tmp = Float32(0.0) if (t_3 >= Float32(t_1 + t_5)) tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(t_0 + t_2) != Float32(t_0 + t_2)) ? Float32(t_5 + t_1) : ((Float32(t_5 + t_1) != Float32(t_5 + t_1)) ? Float32(t_0 + t_2) : max(Float32(t_0 + t_2), Float32(t_5 + t_1)))))) * Float32(floor(w) * dX_46_u)); else tmp = Float32(t_4 / sqrt(((t_3 != t_3) ? Float32(t_1 + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) : ((Float32(t_1 + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) != Float32(t_1 + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))) ? t_3 : max(t_3, Float32(t_1 + (Float32(dY_46_u * floor(w)) ^ 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 = (dX_46_u * floor(w)) ^ single(2.0); t_1 = (dY_46_v * floor(h)) ^ single(2.0); t_2 = (dX_46_v * floor(h)) ^ single(2.0); t_3 = t_2 + t_0; t_4 = floor(w) * dY_46_u; t_5 = t_4 ^ single(2.0); tmp = single(0.0); if (t_3 >= (t_1 + t_5)) tmp = (single(1.0) / sqrt(max((t_0 + t_2), (t_5 + t_1)))) * (floor(w) * dX_46_u); else tmp = t_4 / sqrt(max(t_3, (t_1 + ((dY_46_u * floor(w)) ^ single(2.0))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := t\_2 + t\_0\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := {t\_4}^{2}\\
\mathbf{if}\;t\_3 \geq t\_1 + t\_5:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_0 + t\_2, t\_5 + t\_1\right)}} \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_3, t\_1 + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)}}\\
\end{array}
\end{array}
Initial program 77.1%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites77.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.3
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.3
lift-*.f32N/A
pow2N/A
lower-pow.f3277.3
Applied rewrites77.3%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
lift-+.f3277.3
Applied rewrites77.3%
lift-/.f32N/A
clear-numN/A
associate-/r/N/A
metadata-evalN/A
neg-mul-1N/A
neg-sub0N/A
lower--.f3277.3
lift-*.f32N/A
*-commutativeN/A
lower-*.f3277.3
Applied rewrites77.3%
Final simplification77.3%
(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) dX.u))
(t_2 (* t_1 t_1))
(t_3 (* (floor w) dY.u))
(t_4 (pow t_3 2.0))
(t_5 (* (floor h) dY.v))
(t_6 (+ (* t_3 t_3) (* t_5 t_5)))
(t_7 (/ 1.0 (sqrt (fmax (+ t_2 (* t_0 t_0)) t_6))))
(t_8 (* t_7 t_3)))
(if (<= dY.v 600000000.0)
(if (>= (+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0)) t_4)
(*
(/ 1.0 (sqrt (fmax (+ t_2 (* (* (pow (floor h) 2.0) dX.v) dX.v)) t_6)))
t_1)
t_8)
(if (>= (fma (* dX.u (pow (floor w) 2.0)) dX.u (pow t_0 2.0)) t_4)
(* t_7 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(h) * dX_46_v;
float t_1 = floorf(w) * dX_46_u;
float t_2 = t_1 * t_1;
float t_3 = floorf(w) * dY_46_u;
float t_4 = powf(t_3, 2.0f);
float t_5 = floorf(h) * dY_46_v;
float t_6 = (t_3 * t_3) + (t_5 * t_5);
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 (dY_46_v <= 600000000.0f) {
float tmp_2;
if ((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)) >= t_4) {
tmp_2 = (1.0f / sqrtf(fmaxf((t_2 + ((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v)), t_6))) * t_1;
} else {
tmp_2 = t_8;
}
tmp_1 = tmp_2;
} else if (fmaf((dX_46_u * powf(floorf(w), 2.0f)), dX_46_u, powf(t_0, 2.0f)) >= t_4) {
tmp_1 = t_7 * 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(h) * dX_46_v) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(t_1 * t_1) t_3 = Float32(floor(w) * dY_46_u) t_4 = t_3 ^ Float32(2.0) t_5 = Float32(floor(h) * dY_46_v) t_6 = Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) 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 (dY_46_v <= Float32(600000000.0)) tmp_2 = Float32(0.0) if (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) >= t_4) tmp_2 = Float32(Float32(Float32(1.0) / sqrt(((Float32(t_2 + Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v)) != Float32(t_2 + Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v))) ? t_6 : ((t_6 != t_6) ? Float32(t_2 + Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v)) : max(Float32(t_2 + Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v)), t_6))))) * t_1); else tmp_2 = t_8; end tmp_1 = tmp_2; elseif (fma(Float32(dX_46_u * (floor(w) ^ Float32(2.0))), dX_46_u, (t_0 ^ Float32(2.0))) >= t_4) tmp_1 = Float32(t_7 * t_1); else tmp_1 = t_8; end return tmp_1 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 dX.u\\
t_2 := t\_1 \cdot t\_1\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := {t\_3}^{2}\\
t_5 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_6 := t\_3 \cdot t\_3 + t\_5 \cdot t\_5\\
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}\;dY.v \leq 600000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} \geq t\_4:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_2 + \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v, t\_6\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{elif}\;\mathsf{fma}\left(dX.u \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2}, dX.u, {t\_0}^{2}\right) \geq t\_4:\\
\;\;\;\;t\_7 \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
if dY.v < 6e8Initial program 78.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3269.5
Applied rewrites69.5%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3269.5
Applied rewrites69.5%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3269.5
Applied rewrites69.5%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f3269.6
Applied rewrites69.6%
if 6e8 < dY.v Initial program 70.6%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3239.7
Applied rewrites39.7%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3239.7
Applied rewrites39.7%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3239.7
Applied rewrites39.7%
lift-+.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
associate-*r*N/A
lower-fma.f32N/A
lift-*.f32N/A
*-commutativeN/A
associate-*l*N/A
unpow2N/A
lift-pow.f32N/A
lower-*.f3252.5
lift-*.f32N/A
*-commutativeN/A
lift-*.f3252.5
Applied rewrites52.5%
(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) dX.u))
(t_2 (* t_1 t_1))
(t_3 (* (pow (floor h) 2.0) dX.v))
(t_4 (* (floor w) dY.u))
(t_5 (pow t_4 2.0))
(t_6 (* (floor h) dY.v))
(t_7 (+ (* t_4 t_4) (* t_6 t_6)))
(t_8 (/ 1.0 (sqrt (fmax (+ t_2 (* t_0 t_0)) t_7))))
(t_9 (* t_8 t_4)))
(if (<= dY.v 1000000000.0)
(if (>= (+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0)) t_5)
(* (/ 1.0 (sqrt (fmax (+ t_2 (* t_3 dX.v)) t_7))) t_1)
t_9)
(if (>= (fma t_3 dX.v (pow t_1 2.0)) t_5) (* t_8 t_1) 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 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dX_46_u;
float t_2 = t_1 * t_1;
float t_3 = powf(floorf(h), 2.0f) * dX_46_v;
float t_4 = floorf(w) * dY_46_u;
float t_5 = powf(t_4, 2.0f);
float t_6 = floorf(h) * dY_46_v;
float t_7 = (t_4 * t_4) + (t_6 * t_6);
float t_8 = 1.0f / sqrtf(fmaxf((t_2 + (t_0 * t_0)), t_7));
float t_9 = t_8 * t_4;
float tmp_1;
if (dY_46_v <= 1000000000.0f) {
float tmp_2;
if ((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)) >= t_5) {
tmp_2 = (1.0f / sqrtf(fmaxf((t_2 + (t_3 * dX_46_v)), t_7))) * t_1;
} else {
tmp_2 = t_9;
}
tmp_1 = tmp_2;
} else if (fmaf(t_3, dX_46_v, powf(t_1, 2.0f)) >= t_5) {
tmp_1 = t_8 * t_1;
} else {
tmp_1 = t_9;
}
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) * dX_46_v) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(t_1 * t_1) t_3 = Float32((floor(h) ^ Float32(2.0)) * dX_46_v) t_4 = Float32(floor(w) * dY_46_u) t_5 = t_4 ^ Float32(2.0) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(Float32(t_4 * t_4) + Float32(t_6 * t_6)) t_8 = Float32(Float32(1.0) / sqrt(((Float32(t_2 + Float32(t_0 * t_0)) != Float32(t_2 + Float32(t_0 * t_0))) ? t_7 : ((t_7 != t_7) ? Float32(t_2 + Float32(t_0 * t_0)) : max(Float32(t_2 + Float32(t_0 * t_0)), t_7))))) t_9 = Float32(t_8 * t_4) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(1000000000.0)) tmp_2 = Float32(0.0) if (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) >= t_5) tmp_2 = Float32(Float32(Float32(1.0) / sqrt(((Float32(t_2 + Float32(t_3 * dX_46_v)) != Float32(t_2 + Float32(t_3 * dX_46_v))) ? t_7 : ((t_7 != t_7) ? Float32(t_2 + Float32(t_3 * dX_46_v)) : max(Float32(t_2 + Float32(t_3 * dX_46_v)), t_7))))) * t_1); else tmp_2 = t_9; end tmp_1 = tmp_2; elseif (fma(t_3, dX_46_v, (t_1 ^ Float32(2.0))) >= t_5) tmp_1 = Float32(t_8 * t_1); else tmp_1 = t_9; end return tmp_1 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 dX.u\\
t_2 := t\_1 \cdot t\_1\\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := {t\_4}^{2}\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_4 \cdot t\_4 + t\_6 \cdot t\_6\\
t_8 := \frac{1}{\sqrt{\mathsf{max}\left(t\_2 + t\_0 \cdot t\_0, t\_7\right)}}\\
t_9 := t\_8 \cdot t\_4\\
\mathbf{if}\;dY.v \leq 1000000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} \geq t\_5:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_2 + t\_3 \cdot dX.v, t\_7\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}\\
\mathbf{elif}\;\mathsf{fma}\left(t\_3, dX.v, {t\_1}^{2}\right) \geq t\_5:\\
\;\;\;\;t\_8 \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
if dY.v < 1e9Initial program 78.4%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3269.5
Applied rewrites69.5%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3269.5
Applied rewrites69.5%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3269.5
Applied rewrites69.5%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f3269.6
Applied rewrites69.6%
if 1e9 < dY.v Initial program 70.6%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3239.7
Applied rewrites39.7%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3239.7
Applied rewrites39.7%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3239.7
Applied rewrites39.7%
Taylor expanded in w around 0
+-commutativeN/A
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-fma.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
unpow2N/A
unswap-sqrN/A
unpow2N/A
lower-pow.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3252.5
Applied rewrites52.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (+ (* t_1 t_1) (* t_2 t_2)))
(t_4 (* t_0 t_0))
(t_5 (* (floor h) dX.v)))
(if (>=
(+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0))
(pow t_1 2.0))
(*
(/ 1.0 (sqrt (fmax (+ t_4 (* (* (pow (floor h) 2.0) dX.v) dX.v)) t_3)))
t_0)
(* (/ 1.0 (sqrt (fmax (+ t_4 (* t_5 t_5)) 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 = floorf(w) * dX_46_u;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = (t_1 * t_1) + (t_2 * t_2);
float t_4 = t_0 * t_0;
float t_5 = floorf(h) * dX_46_v;
float tmp;
if ((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)) >= powf(t_1, 2.0f)) {
tmp = (1.0f / sqrtf(fmaxf((t_4 + ((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v)), t_3))) * t_0;
} else {
tmp = (1.0f / sqrtf(fmaxf((t_4 + (t_5 * t_5)), 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(floor(w) * dX_46_u) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) t_4 = Float32(t_0 * t_0) t_5 = Float32(floor(h) * dX_46_v) tmp = Float32(0.0) if (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) >= (t_1 ^ Float32(2.0))) tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(t_4 + Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v)) != Float32(t_4 + Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v))) ? t_3 : ((t_3 != t_3) ? Float32(t_4 + Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v)) : max(Float32(t_4 + Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v)), t_3))))) * t_0); else tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(t_4 + Float32(t_5 * t_5)) != Float32(t_4 + Float32(t_5 * t_5))) ? t_3 : ((t_3 != t_3) ? Float32(t_4 + Float32(t_5 * t_5)) : max(Float32(t_4 + Float32(t_5 * t_5)), 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 = floor(w) * dX_46_u; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = (t_1 * t_1) + (t_2 * t_2); t_4 = t_0 * t_0; t_5 = floor(h) * dX_46_v; tmp = single(0.0); if ((((dX_46_v * floor(h)) ^ single(2.0)) + ((dX_46_u * floor(w)) ^ single(2.0))) >= (t_1 ^ single(2.0))) tmp = (single(1.0) / sqrt(max((t_4 + (((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v)), t_3))) * t_0; else tmp = (single(1.0) / sqrt(max((t_4 + (t_5 * t_5)), t_3))) * t_1; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := t\_1 \cdot t\_1 + t\_2 \cdot t\_2\\
t_4 := t\_0 \cdot t\_0\\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
\mathbf{if}\;{\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} \geq {t\_1}^{2}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_4 + \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v, t\_3\right)}} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_4 + t\_5 \cdot t\_5, t\_3\right)}} \cdot t\_1\\
\end{array}
\end{array}
Initial program 77.1%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.7
Applied rewrites64.7%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3264.7
Applied rewrites64.7%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3264.7
Applied rewrites64.7%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f3264.8
Applied rewrites64.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* t_2 t_2))
(t_4 (* (floor w) dX.u))
(t_5 (+ (* t_4 t_4) (* t_0 t_0))))
(if (>=
(+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0))
(pow t_2 2.0))
(* (/ 1.0 (sqrt (fmax t_5 (+ t_3 (* t_1 t_1))))) t_4)
(*
(/ 1.0 (sqrt (fmax t_5 (+ t_3 (* (pow (floor h) 2.0) (* dY.v dY.v))))))
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) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = t_2 * t_2;
float t_4 = floorf(w) * dX_46_u;
float t_5 = (t_4 * t_4) + (t_0 * t_0);
float tmp;
if ((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)) >= powf(t_2, 2.0f)) {
tmp = (1.0f / sqrtf(fmaxf(t_5, (t_3 + (t_1 * t_1))))) * t_4;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_5, (t_3 + (powf(floorf(h), 2.0f) * (dY_46_v * dY_46_v)))))) * 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) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(t_2 * t_2) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) tmp = Float32(0.0) if (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) >= (t_2 ^ Float32(2.0))) tmp = Float32(Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_3 + Float32(t_1 * t_1)) : ((Float32(t_3 + Float32(t_1 * t_1)) != Float32(t_3 + Float32(t_1 * t_1))) ? t_5 : max(t_5, Float32(t_3 + Float32(t_1 * t_1))))))) * t_4); else tmp = Float32(Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_3 + Float32((floor(h) ^ Float32(2.0)) * Float32(dY_46_v * dY_46_v))) : ((Float32(t_3 + Float32((floor(h) ^ Float32(2.0)) * Float32(dY_46_v * dY_46_v))) != Float32(t_3 + Float32((floor(h) ^ Float32(2.0)) * Float32(dY_46_v * dY_46_v)))) ? t_5 : max(t_5, Float32(t_3 + Float32((floor(h) ^ Float32(2.0)) * Float32(dY_46_v * dY_46_v)))))))) * 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) * dX_46_v; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = t_2 * t_2; t_4 = floor(w) * dX_46_u; t_5 = (t_4 * t_4) + (t_0 * t_0); tmp = single(0.0); if ((((dX_46_v * floor(h)) ^ single(2.0)) + ((dX_46_u * floor(w)) ^ single(2.0))) >= (t_2 ^ single(2.0))) tmp = (single(1.0) / sqrt(max(t_5, (t_3 + (t_1 * t_1))))) * t_4; else tmp = (single(1.0) / sqrt(max(t_5, (t_3 + ((floor(h) ^ single(2.0)) * (dY_46_v * dY_46_v)))))) * t_2; 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 h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := t\_2 \cdot t\_2\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4 + t\_0 \cdot t\_0\\
\mathbf{if}\;{\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} \geq {t\_2}^{2}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_3 + t\_1 \cdot t\_1\right)}} \cdot t\_4\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_3 + {\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot \left(dY.v \cdot dY.v\right)\right)}} \cdot t\_2\\
\end{array}
\end{array}
Initial program 77.1%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.7
Applied rewrites64.7%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3264.7
Applied rewrites64.7%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3264.7
Applied rewrites64.7%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3264.7
Applied rewrites64.7%
(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 (* t_1 t_1))
(t_3 (* (floor h) dY.v))
(t_4 (* (floor w) dX.u))
(t_5 (+ (* t_4 t_4) (* t_0 t_0))))
(if (>=
(+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0))
(pow t_1 2.0))
(*
(/
1.0
(sqrt (fmax t_5 (+ t_2 (* (floor h) (* (floor h) (* dY.v dY.v)))))))
t_4)
(* (/ 1.0 (sqrt (fmax t_5 (+ t_2 (* t_3 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 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = t_1 * t_1;
float t_3 = floorf(h) * dY_46_v;
float t_4 = floorf(w) * dX_46_u;
float t_5 = (t_4 * t_4) + (t_0 * t_0);
float tmp;
if ((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)) >= powf(t_1, 2.0f)) {
tmp = (1.0f / sqrtf(fmaxf(t_5, (t_2 + (floorf(h) * (floorf(h) * (dY_46_v * dY_46_v))))))) * t_4;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_5, (t_2 + (t_3 * 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(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(t_1 * t_1) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) tmp = Float32(0.0) if (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) >= (t_1 ^ Float32(2.0))) tmp = Float32(Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v))))) ? t_5 : max(t_5, Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v))))))))) * t_4); else tmp = Float32(Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_2 + Float32(t_3 * t_3)) : ((Float32(t_2 + Float32(t_3 * t_3)) != Float32(t_2 + Float32(t_3 * t_3))) ? t_5 : max(t_5, Float32(t_2 + Float32(t_3 * 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 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = t_1 * t_1; t_3 = floor(h) * dY_46_v; t_4 = floor(w) * dX_46_u; t_5 = (t_4 * t_4) + (t_0 * t_0); tmp = single(0.0); if ((((dX_46_v * floor(h)) ^ single(2.0)) + ((dX_46_u * floor(w)) ^ single(2.0))) >= (t_1 ^ single(2.0))) tmp = (single(1.0) / sqrt(max(t_5, (t_2 + (floor(h) * (floor(h) * (dY_46_v * dY_46_v))))))) * t_4; else tmp = (single(1.0) / sqrt(max(t_5, (t_2 + (t_3 * t_3))))) * 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 := t\_1 \cdot t\_1\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4 + t\_0 \cdot t\_0\\
\mathbf{if}\;{\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} \geq {t\_1}^{2}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_2 + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)}} \cdot t\_4\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_2 + t\_3 \cdot t\_3\right)}} \cdot t\_1\\
\end{array}
\end{array}
Initial program 77.1%
Taylor expanded in dY.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.7
Applied rewrites64.7%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3264.7
Applied rewrites64.7%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3264.7
Applied rewrites64.7%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3264.7
Applied rewrites64.7%
herbie shell --seed 2024308
(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))))