
(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 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_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 (+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0)))
(t_1 (* (floor h) dY.v))
(t_2 (+ (pow (* (floor w) dY.u) 2.0) (pow t_1 2.0)))
(t_3 (pow (fmax t_0 t_2) 0.5)))
(if (>= t_0 t_2) (/ (floor h) (/ t_3 dX.v)) (/ t_1 t_3))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f);
float t_1 = floorf(h) * dY_46_v;
float t_2 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_1, 2.0f);
float t_3 = powf(fmaxf(t_0, t_2), 0.5f);
float tmp;
if (t_0 >= t_2) {
tmp = floorf(h) / (t_3 / dX_46_v);
} else {
tmp = t_1 / t_3;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) t_3 = ((t_0 != t_0) ? t_2 : ((t_2 != t_2) ? t_0 : max(t_0, t_2))) ^ Float32(0.5) tmp = Float32(0.0) if (t_0 >= t_2) tmp = Float32(floor(h) / Float32(t_3 / dX_46_v)); else tmp = Float32(t_1 / t_3); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = ((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0)); t_1 = floor(h) * dY_46_v; t_2 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_1 ^ single(2.0)); t_3 = max(t_0, t_2) ^ single(0.5); tmp = single(0.0); if (t_0 >= t_2) tmp = floor(h) / (t_3 / dX_46_v); else tmp = t_1 / t_3; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_1}^{2}\\
t_3 := {\left(\mathsf{max}\left(t\_0, t\_2\right)\right)}^{0.5}\\
\mathbf{if}\;t\_0 \geq t\_2:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor }{\frac{t\_3}{dX.v}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{t\_3}\\
\end{array}
\end{array}
Initial program 75.8%
Simplified75.9%
Applied egg-rr76.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor w) dX.u) 2.0))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (+ (pow t_1 2.0) (pow t_2 2.0)))
(t_4 (* (floor h) dX.v))
(t_5
(sqrt
(fmax
(+
(* (floor w) (* (floor w) (* dX.u dX.u)))
(* (floor h) (* dX.v t_4)))
(+ (* t_1 t_1) (* (floor h) (* (floor h) (* dY.v dY.v)))))))
(t_6 (pow t_4 2.0))
(t_7 (pow (fmax (+ t_0 t_6) t_3) 0.5)))
(if (<= dX.u 81500.0)
(if (>= t_6 t_3) (/ t_4 t_7) (/ t_2 t_7))
(if (>= t_0 t_3) (/ t_4 t_5) (/ t_2 t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((floorf(w) * dX_46_u), 2.0f);
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = powf(t_1, 2.0f) + powf(t_2, 2.0f);
float t_4 = floorf(h) * dX_46_v;
float t_5 = sqrtf(fmaxf(((floorf(w) * (floorf(w) * (dX_46_u * dX_46_u))) + (floorf(h) * (dX_46_v * t_4))), ((t_1 * t_1) + (floorf(h) * (floorf(h) * (dY_46_v * dY_46_v))))));
float t_6 = powf(t_4, 2.0f);
float t_7 = powf(fmaxf((t_0 + t_6), t_3), 0.5f);
float tmp_1;
if (dX_46_u <= 81500.0f) {
float tmp_2;
if (t_6 >= t_3) {
tmp_2 = t_4 / t_7;
} else {
tmp_2 = t_2 / t_7;
}
tmp_1 = tmp_2;
} else if (t_0 >= t_3) {
tmp_1 = t_4 / t_5;
} else {
tmp_1 = t_2 / t_5;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) ^ Float32(2.0) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) t_4 = Float32(floor(h) * dX_46_v) t_5 = sqrt(((Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(dX_46_v * t_4))) != Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(dX_46_v * t_4)))) ? Float32(Float32(t_1 * t_1) + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((Float32(Float32(t_1 * t_1) + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != Float32(Float32(t_1 * t_1) + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v))))) ? Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(dX_46_v * t_4))) : max(Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + Float32(floor(h) * Float32(dX_46_v * t_4))), Float32(Float32(t_1 * t_1) + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))) t_6 = t_4 ^ Float32(2.0) t_7 = ((Float32(t_0 + t_6) != Float32(t_0 + t_6)) ? t_3 : ((t_3 != t_3) ? Float32(t_0 + t_6) : max(Float32(t_0 + t_6), t_3))) ^ Float32(0.5) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(81500.0)) tmp_2 = Float32(0.0) if (t_6 >= t_3) tmp_2 = Float32(t_4 / t_7); else tmp_2 = Float32(t_2 / t_7); end tmp_1 = tmp_2; elseif (t_0 >= t_3) tmp_1 = Float32(t_4 / t_5); else tmp_1 = Float32(t_2 / t_5); end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (floor(w) * dX_46_u) ^ single(2.0); t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = (t_1 ^ single(2.0)) + (t_2 ^ single(2.0)); t_4 = floor(h) * dX_46_v; t_5 = sqrt(max(((floor(w) * (floor(w) * (dX_46_u * dX_46_u))) + (floor(h) * (dX_46_v * t_4))), ((t_1 * t_1) + (floor(h) * (floor(h) * (dY_46_v * dY_46_v)))))); t_6 = t_4 ^ single(2.0); t_7 = max((t_0 + t_6), t_3) ^ single(0.5); tmp_2 = single(0.0); if (dX_46_u <= single(81500.0)) tmp_3 = single(0.0); if (t_6 >= t_3) tmp_3 = t_4 / t_7; else tmp_3 = t_2 / t_7; end tmp_2 = tmp_3; elseif (t_0 >= t_3) tmp_2 = t_4 / t_5; else tmp_2 = t_2 / t_5; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := {t\_1}^{2} + {t\_2}^{2}\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := \sqrt{\mathsf{max}\left(\left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right) + \left\lfloor h\right\rfloor \cdot \left(dX.v \cdot t\_4\right), t\_1 \cdot t\_1 + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)}\\
t_6 := {t\_4}^{2}\\
t_7 := {\left(\mathsf{max}\left(t\_0 + t\_6, t\_3\right)\right)}^{0.5}\\
\mathbf{if}\;dX.u \leq 81500:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_6 \geq t\_3:\\
\;\;\;\;\frac{t\_4}{t\_7}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_7}\\
\end{array}\\
\mathbf{elif}\;t\_0 \geq t\_3:\\
\;\;\;\;\frac{t\_4}{t\_5}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_5}\\
\end{array}
\end{array}
if dX.u < 81500Initial program 75.5%
Simplified75.6%
Applied egg-rr75.7%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3269.4%
Simplified69.4%
Applied egg-rr69.5%
if 81500 < dX.u Initial program 77.0%
Simplified77.5%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3269.0%
Simplified69.0%
*-commutativeN/A
unpow2N/A
swap-sqrN/A
>=-lowering->=.f32N/A
pow2N/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
+-lowering-+.f32N/A
pow2N/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
associate-*r*N/A
swap-sqrN/A
pow2N/A
pow-lowering-pow.f32N/A
Applied egg-rr69.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor h) dX.v))
(t_2 (* (floor w) dY.u))
(t_3 (+ (pow t_2 2.0) (pow t_0 2.0)))
(t_4
(pow (fmax (+ (pow (* (floor w) dX.u) 2.0) (pow t_1 2.0)) t_3) 0.5)))
(if (<= dX.u 20000000.0)
(if (>=
(* dX.v (* dX.v (pow (floor h) 2.0)))
(+ (* t_2 t_2) (* (floor h) (* (floor h) (* dY.v dY.v)))))
(/ t_1 t_4)
(/ dY.v (/ t_4 (floor h))))
(if (>= (* (* dX.u dX.u) (pow (floor w) 2.0)) t_3)
(/ (floor h) (/ t_4 dX.v))
(/ t_0 t_4)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = powf(t_2, 2.0f) + powf(t_0, 2.0f);
float t_4 = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf(t_1, 2.0f)), t_3), 0.5f);
float tmp_1;
if (dX_46_u <= 20000000.0f) {
float tmp_2;
if ((dX_46_v * (dX_46_v * powf(floorf(h), 2.0f))) >= ((t_2 * t_2) + (floorf(h) * (floorf(h) * (dY_46_v * dY_46_v))))) {
tmp_2 = t_1 / t_4;
} else {
tmp_2 = dY_46_v / (t_4 / floorf(h));
}
tmp_1 = tmp_2;
} else if (((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)) >= t_3) {
tmp_1 = floorf(h) / (t_4 / dX_46_v);
} else {
tmp_1 = t_0 / 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(h) * dY_46_v) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_4 = ((Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? t_3 : ((t_3 != t_3) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))), t_3))) ^ Float32(0.5) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(20000000.0)) tmp_2 = Float32(0.0) if (Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) >= Float32(Float32(t_2 * t_2) + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v))))) tmp_2 = Float32(t_1 / t_4); else tmp_2 = Float32(dY_46_v / Float32(t_4 / floor(h))); end tmp_1 = tmp_2; elseif (Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) >= t_3) tmp_1 = Float32(floor(h) / Float32(t_4 / dX_46_v)); else tmp_1 = Float32(t_0 / 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(h) * dY_46_v; t_1 = floor(h) * dX_46_v; t_2 = floor(w) * dY_46_u; t_3 = (t_2 ^ single(2.0)) + (t_0 ^ single(2.0)); t_4 = max((((floor(w) * dX_46_u) ^ single(2.0)) + (t_1 ^ single(2.0))), t_3) ^ single(0.5); tmp_2 = single(0.0); if (dX_46_u <= single(20000000.0)) tmp_3 = single(0.0); if ((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))) >= ((t_2 * t_2) + (floor(h) * (floor(h) * (dY_46_v * dY_46_v))))) tmp_3 = t_1 / t_4; else tmp_3 = dY_46_v / (t_4 / floor(h)); end tmp_2 = tmp_3; elseif (((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))) >= t_3) tmp_2 = floor(h) / (t_4 / dX_46_v); else tmp_2 = t_0 / t_4; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := {t\_2}^{2} + {t\_0}^{2}\\
t_4 := {\left(\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {t\_1}^{2}, t\_3\right)\right)}^{0.5}\\
\mathbf{if}\;dX.u \leq 20000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;dX.v \cdot \left(dX.v \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2}\right) \geq t\_2 \cdot t\_2 + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right):\\
\;\;\;\;\frac{t\_1}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{dY.v}{\frac{t\_4}{\left\lfloor h\right\rfloor }}\\
\end{array}\\
\mathbf{elif}\;\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2} \geq t\_3:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor }{\frac{t\_4}{dX.v}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\end{array}
\end{array}
if dX.u < 2e7Initial program 76.0%
Simplified76.1%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3270.0%
Simplified70.0%
Applied egg-rr70.2%
pow1/2N/A
associate-*r*N/A
swap-sqrN/A
associate-*r*N/A
associate-*r*N/A
swap-sqrN/A
Applied egg-rr70.2%
if 2e7 < dX.u Initial program 74.8%
Simplified75.1%
Applied egg-rr75.3%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3270.1%
Simplified70.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor h) dX.v))
(t_2 (+ (pow (* (floor w) dY.u) 2.0) (pow t_0 2.0)))
(t_3 (pow t_1 2.0))
(t_4 (pow (fmax (+ (pow (* (floor w) dX.u) 2.0) t_3) t_2) 0.5))
(t_5 (/ t_0 t_4)))
(if (<= dX.u 20000000.0)
(if (>= t_3 t_2) (/ t_1 t_4) t_5)
(if (>= (* (* dX.u dX.u) (pow (floor w) 2.0)) t_2)
(/ (floor h) (/ t_4 dX.v))
t_5))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(h) * dX_46_v;
float t_2 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_0, 2.0f);
float t_3 = powf(t_1, 2.0f);
float t_4 = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + t_3), t_2), 0.5f);
float t_5 = t_0 / t_4;
float tmp_1;
if (dX_46_u <= 20000000.0f) {
float tmp_2;
if (t_3 >= t_2) {
tmp_2 = t_1 / t_4;
} else {
tmp_2 = t_5;
}
tmp_1 = tmp_2;
} else if (((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)) >= t_2) {
tmp_1 = floorf(h) / (t_4 / dX_46_v);
} else {
tmp_1 = t_5;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_3 = t_1 ^ Float32(2.0) t_4 = ((Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_3) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_3)) ? t_2 : ((t_2 != t_2) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_3) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_3), t_2))) ^ Float32(0.5) t_5 = Float32(t_0 / t_4) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(20000000.0)) tmp_2 = Float32(0.0) if (t_3 >= t_2) tmp_2 = Float32(t_1 / t_4); else tmp_2 = t_5; end tmp_1 = tmp_2; elseif (Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) >= t_2) tmp_1 = Float32(floor(h) / Float32(t_4 / dX_46_v)); else tmp_1 = t_5; end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = floor(h) * dX_46_v; t_2 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_3 = t_1 ^ single(2.0); t_4 = max((((floor(w) * dX_46_u) ^ single(2.0)) + t_3), t_2) ^ single(0.5); t_5 = t_0 / t_4; tmp_2 = single(0.0); if (dX_46_u <= single(20000000.0)) tmp_3 = single(0.0); if (t_3 >= t_2) tmp_3 = t_1 / t_4; else tmp_3 = t_5; end tmp_2 = tmp_3; elseif (((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))) >= t_2) tmp_2 = floor(h) / (t_4 / dX_46_v); else tmp_2 = t_5; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_0}^{2}\\
t_3 := {t\_1}^{2}\\
t_4 := {\left(\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + t\_3, t\_2\right)\right)}^{0.5}\\
t_5 := \frac{t\_0}{t\_4}\\
\mathbf{if}\;dX.u \leq 20000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;\frac{t\_1}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{elif}\;\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2} \geq t\_2:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor }{\frac{t\_4}{dX.v}}\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
if dX.u < 2e7Initial program 76.0%
Simplified76.1%
Applied egg-rr76.1%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3270.1%
Simplified70.1%
Applied egg-rr70.2%
if 2e7 < dX.u Initial program 74.8%
Simplified75.1%
Applied egg-rr75.3%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3270.1%
Simplified70.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor h) dX.v))
(t_2 (+ (pow (* (floor w) dY.u) 2.0) (pow t_0 2.0)))
(t_3 (pow t_1 2.0))
(t_4 (pow (fmax (+ (pow (* (floor w) dX.u) 2.0) t_3) t_2) 0.5)))
(if (>= t_3 t_2) (/ t_1 t_4) (/ t_0 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(h) * dX_46_v;
float t_2 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_0, 2.0f);
float t_3 = powf(t_1, 2.0f);
float t_4 = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + t_3), t_2), 0.5f);
float tmp;
if (t_3 >= t_2) {
tmp = t_1 / t_4;
} else {
tmp = t_0 / t_4;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_3 = t_1 ^ Float32(2.0) t_4 = ((Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_3) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_3)) ? t_2 : ((t_2 != t_2) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_3) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_3), t_2))) ^ Float32(0.5) tmp = Float32(0.0) if (t_3 >= t_2) tmp = Float32(t_1 / t_4); else tmp = Float32(t_0 / t_4); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = floor(h) * dX_46_v; t_2 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_3 = t_1 ^ single(2.0); t_4 = max((((floor(w) * dX_46_u) ^ single(2.0)) + t_3), t_2) ^ single(0.5); tmp = single(0.0); if (t_3 >= t_2) tmp = t_1 / t_4; else tmp = t_0 / t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_0}^{2}\\
t_3 := {t\_1}^{2}\\
t_4 := {\left(\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + t\_3, t\_2\right)\right)}^{0.5}\\
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;\frac{t\_1}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\end{array}
\end{array}
Initial program 75.8%
Simplified75.9%
Applied egg-rr76.0%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3268.5%
Simplified68.5%
Applied egg-rr68.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2 (+ (pow (* (floor w) dY.u) 2.0) (pow t_0 2.0)))
(t_3 (pow (fmax (+ (pow (* (floor w) dX.u) 2.0) t_1) t_2) 0.5)))
(if (>= t_1 t_2) (/ (floor h) (/ t_3 dX.v)) (/ t_0 t_3))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_0, 2.0f);
float t_3 = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + t_1), t_2), 0.5f);
float tmp;
if (t_1 >= t_2) {
tmp = floorf(h) / (t_3 / dX_46_v);
} else {
tmp = t_0 / t_3;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_3 = ((Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_1) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_1)) ? t_2 : ((t_2 != t_2) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_1) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_1), t_2))) ^ Float32(0.5) tmp = Float32(0.0) if (t_1 >= t_2) tmp = Float32(floor(h) / Float32(t_3 / dX_46_v)); else tmp = Float32(t_0 / t_3); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = (floor(h) * dX_46_v) ^ single(2.0); t_2 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_3 = max((((floor(w) * dX_46_u) ^ single(2.0)) + t_1), t_2) ^ single(0.5); tmp = single(0.0); if (t_1 >= t_2) tmp = floor(h) / (t_3 / dX_46_v); else tmp = t_0 / t_3; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_0}^{2}\\
t_3 := {\left(\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + t\_1, t\_2\right)\right)}^{0.5}\\
\mathbf{if}\;t\_1 \geq t\_2:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor }{\frac{t\_3}{dX.v}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
Initial program 75.8%
Simplified75.9%
Applied egg-rr76.0%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3268.5%
Simplified68.5%
associate-*r*N/A
*-commutativeN/A
pow2N/A
unpow-prod-downN/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3268.5%
Applied egg-rr68.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (* (floor h) dX.v) 2.0))
(t_2 (+ (pow (* (floor w) dY.u) 2.0) (pow t_0 2.0)))
(t_3 (pow (fmax (+ (pow (* (floor w) dX.u) 2.0) t_1) t_2) 0.5)))
(if (>= t_1 t_2) (* (floor h) (/ dX.v t_3)) (/ t_0 t_3))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = powf((floorf(h) * dX_46_v), 2.0f);
float t_2 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_0, 2.0f);
float t_3 = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + t_1), t_2), 0.5f);
float tmp;
if (t_1 >= t_2) {
tmp = floorf(h) * (dX_46_v / t_3);
} else {
tmp = t_0 / t_3;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_2 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_3 = ((Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_1) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_1)) ? t_2 : ((t_2 != t_2) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_1) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + t_1), t_2))) ^ Float32(0.5) tmp = Float32(0.0) if (t_1 >= t_2) tmp = Float32(floor(h) * Float32(dX_46_v / t_3)); else tmp = Float32(t_0 / t_3); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = (floor(h) * dX_46_v) ^ single(2.0); t_2 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_3 = max((((floor(w) * dX_46_u) ^ single(2.0)) + t_1), t_2) ^ single(0.5); tmp = single(0.0); if (t_1 >= t_2) tmp = floor(h) * (dX_46_v / t_3); else tmp = t_0 / t_3; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_0}^{2}\\
t_3 := {\left(\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + t\_1, t\_2\right)\right)}^{0.5}\\
\mathbf{if}\;t\_1 \geq t\_2:\\
\;\;\;\;\left\lfloor h\right\rfloor \cdot \frac{dX.v}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
Initial program 75.8%
Simplified75.9%
Applied egg-rr76.0%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3268.5%
Simplified68.5%
associate-*r*N/A
*-commutativeN/A
pow2N/A
unpow-prod-downN/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3268.5%
Applied egg-rr68.5%
Applied egg-rr68.5%
Final simplification68.5%
herbie shell --seed 2024163
(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))))