
(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 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_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 (* (floor h) dX.v))
(t_1 (+ (pow (* (floor w) dX.u) 2.0) (pow t_0 2.0)))
(t_2 (* (floor h) dY.v))
(t_3 (+ (pow (* (floor w) dY.u) 2.0) (pow t_2 2.0)))
(t_4 (pow (fmax t_1 t_3) 0.5)))
(if (>= t_1 t_3) (/ t_0 t_4) (/ t_2 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 = powf((floorf(w) * dX_46_u), 2.0f) + powf(t_0, 2.0f);
float t_2 = floorf(h) * dY_46_v;
float t_3 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_2, 2.0f);
float t_4 = powf(fmaxf(t_1, t_3), 0.5f);
float tmp;
if (t_1 >= t_3) {
tmp = t_0 / t_4;
} else {
tmp = t_2 / 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((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) t_4 = ((t_1 != t_1) ? t_3 : ((t_3 != t_3) ? t_1 : max(t_1, t_3))) ^ Float32(0.5) tmp = Float32(0.0) if (t_1 >= t_3) tmp = Float32(t_0 / t_4); else tmp = Float32(t_2 / 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) * dX_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_2 = floor(h) * dY_46_v; t_3 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_2 ^ single(2.0)); t_4 = max(t_1, t_3) ^ single(0.5); tmp = single(0.0); if (t_1 >= t_3) tmp = t_0 / t_4; else tmp = t_2 / 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(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {t\_0}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_2}^{2}\\
t_4 := {\left(\mathsf{max}\left(t\_1, t\_3\right)\right)}^{0.5}\\
\mathbf{if}\;t\_1 \geq t\_3:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_4}\\
\end{array}
\end{array}
Initial program 72.0%
Simplified72.2%
Applied egg-rr72.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (* t_1 t_1))
(t_3 (* (floor h) dY.v))
(t_4 (+ (pow t_0 2.0) (pow t_3 2.0)))
(t_5 (* (floor h) dX.v))
(t_6 (pow t_5 2.0))
(t_7 (+ (* t_0 t_0) (* t_3 t_3))))
(if (<= dX.u 2.0)
(if (>= t_6 t_4)
(/
t_5
(pow (fmax (+ t_6 (* (floor w) (* (floor w) (* dX.u dX.u)))) t_4) 0.5))
(/ t_3 (pow (fmax (+ (pow t_1 2.0) t_6) t_4) 0.5)))
(if (>= (* (* dX.u dX.u) (pow (floor w) 2.0)) t_7)
(* t_5 (/ 1.0 (sqrt (fmax (+ t_2 (* t_5 t_5)) t_7))))
(* t_3 (/ 1.0 (sqrt (fmax (+ t_2 (exp (* 2.0 (log t_5)))) 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) * dY_46_u;
float t_1 = floorf(w) * dX_46_u;
float t_2 = t_1 * t_1;
float t_3 = floorf(h) * dY_46_v;
float t_4 = powf(t_0, 2.0f) + powf(t_3, 2.0f);
float t_5 = floorf(h) * dX_46_v;
float t_6 = powf(t_5, 2.0f);
float t_7 = (t_0 * t_0) + (t_3 * t_3);
float tmp_1;
if (dX_46_u <= 2.0f) {
float tmp_2;
if (t_6 >= t_4) {
tmp_2 = t_5 / powf(fmaxf((t_6 + (floorf(w) * (floorf(w) * (dX_46_u * dX_46_u)))), t_4), 0.5f);
} else {
tmp_2 = t_3 / powf(fmaxf((powf(t_1, 2.0f) + t_6), t_4), 0.5f);
}
tmp_1 = tmp_2;
} else if (((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)) >= t_7) {
tmp_1 = t_5 * (1.0f / sqrtf(fmaxf((t_2 + (t_5 * t_5)), t_7)));
} else {
tmp_1 = t_3 * (1.0f / sqrtf(fmaxf((t_2 + expf((2.0f * logf(t_5)))), 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) * dY_46_u) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(t_1 * t_1) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) t_5 = Float32(floor(h) * dX_46_v) t_6 = t_5 ^ Float32(2.0) t_7 = Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(2.0)) tmp_2 = Float32(0.0) if (t_6 >= t_4) tmp_2 = Float32(t_5 / (((Float32(t_6 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))) != Float32(t_6 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))))) ? t_4 : ((t_4 != t_4) ? Float32(t_6 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))) : max(Float32(t_6 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))), t_4))) ^ Float32(0.5))); else tmp_2 = Float32(t_3 / (((Float32((t_1 ^ Float32(2.0)) + t_6) != Float32((t_1 ^ Float32(2.0)) + t_6)) ? t_4 : ((t_4 != t_4) ? Float32((t_1 ^ Float32(2.0)) + t_6) : max(Float32((t_1 ^ Float32(2.0)) + t_6), t_4))) ^ Float32(0.5))); end tmp_1 = tmp_2; elseif (Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) >= t_7) tmp_1 = Float32(t_5 * Float32(Float32(1.0) / sqrt(((Float32(t_2 + Float32(t_5 * t_5)) != Float32(t_2 + Float32(t_5 * t_5))) ? t_7 : ((t_7 != t_7) ? Float32(t_2 + Float32(t_5 * t_5)) : max(Float32(t_2 + Float32(t_5 * t_5)), t_7)))))); else tmp_1 = Float32(t_3 * Float32(Float32(1.0) / sqrt(((Float32(t_2 + exp(Float32(Float32(2.0) * log(t_5)))) != Float32(t_2 + exp(Float32(Float32(2.0) * log(t_5))))) ? t_7 : ((t_7 != t_7) ? Float32(t_2 + exp(Float32(Float32(2.0) * log(t_5)))) : max(Float32(t_2 + exp(Float32(Float32(2.0) * log(t_5)))), 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) * dY_46_u; t_1 = floor(w) * dX_46_u; t_2 = t_1 * t_1; t_3 = floor(h) * dY_46_v; t_4 = (t_0 ^ single(2.0)) + (t_3 ^ single(2.0)); t_5 = floor(h) * dX_46_v; t_6 = t_5 ^ single(2.0); t_7 = (t_0 * t_0) + (t_3 * t_3); tmp_2 = single(0.0); if (dX_46_u <= single(2.0)) tmp_3 = single(0.0); if (t_6 >= t_4) tmp_3 = t_5 / (max((t_6 + (floor(w) * (floor(w) * (dX_46_u * dX_46_u)))), t_4) ^ single(0.5)); else tmp_3 = t_3 / (max(((t_1 ^ single(2.0)) + t_6), t_4) ^ single(0.5)); end tmp_2 = tmp_3; elseif (((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))) >= t_7) tmp_2 = t_5 * (single(1.0) / sqrt(max((t_2 + (t_5 * t_5)), t_7))); else tmp_2 = t_3 * (single(1.0) / sqrt(max((t_2 + exp((single(2.0) * log(t_5)))), t_7))); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := t\_1 \cdot t\_1\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := {t\_0}^{2} + {t\_3}^{2}\\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := {t\_5}^{2}\\
t_7 := t\_0 \cdot t\_0 + t\_3 \cdot t\_3\\
\mathbf{if}\;dX.u \leq 2:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_6 \geq t\_4:\\
\;\;\;\;\frac{t\_5}{{\left(\mathsf{max}\left(t\_6 + \left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right), t\_4\right)\right)}^{0.5}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{{\left(\mathsf{max}\left({t\_1}^{2} + t\_6, t\_4\right)\right)}^{0.5}}\\
\end{array}\\
\mathbf{elif}\;\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2} \geq t\_7:\\
\;\;\;\;t\_5 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_2 + t\_5 \cdot t\_5, t\_7\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_2 + e^{2 \cdot \log t\_5}, t\_7\right)}}\\
\end{array}
\end{array}
if dX.u < 2Initial program 73.0%
Simplified73.1%
Applied egg-rr73.2%
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.f3266.2%
Simplified66.2%
associate-*r*N/A
pow2N/A
unpow-prod-downN/A
*-commutativeN/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3266.2%
Applied egg-rr66.2%
pow2N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
associate-*l*N/A
pow2N/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
pow2N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3266.2%
Applied egg-rr66.2%
if 2 < dX.u Initial program 68.9%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3267.3%
Simplified67.3%
pow2N/A
pow-to-expN/A
exp-lowering-exp.f32N/A
*-commutativeN/A
unpow1N/A
metadata-evalN/A
pow-to-expN/A
rem-log-expN/A
*-lowering-*.f32N/A
rem-log-expN/A
pow-to-expN/A
metadata-evalN/A
unpow1N/A
log-lowering-log.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
floor-lowering-floor.f3268.9%
Applied egg-rr68.9%
Final simplification66.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (+ (pow (* (floor w) dY.u) 2.0) (pow t_0 2.0)))
(t_2 (* (floor h) dX.v))
(t_3 (pow t_2 2.0))
(t_4 (pow (fmax (+ (pow (* (floor w) dX.u) 2.0) t_3) t_1) 0.5))
(t_5 (/ t_0 t_4)))
(if (<= dX.u 0.05000000074505806)
(if (>= t_3 t_1)
(/
t_2
(pow (fmax (+ t_3 (* (floor w) (* (floor w) (* dX.u dX.u)))) t_1) 0.5))
t_5)
(if (>= (* (* dX.u dX.u) (pow (floor w) 2.0)) t_1) (/ t_2 t_4) 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 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_0, 2.0f);
float t_2 = floorf(h) * dX_46_v;
float t_3 = powf(t_2, 2.0f);
float t_4 = powf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + t_3), t_1), 0.5f);
float t_5 = t_0 / t_4;
float tmp_1;
if (dX_46_u <= 0.05000000074505806f) {
float tmp_2;
if (t_3 >= t_1) {
tmp_2 = t_2 / powf(fmaxf((t_3 + (floorf(w) * (floorf(w) * (dX_46_u * dX_46_u)))), t_1), 0.5f);
} else {
tmp_2 = t_5;
}
tmp_1 = tmp_2;
} else if (((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)) >= t_1) {
tmp_1 = t_2 / t_4;
} 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((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_2 = Float32(floor(h) * dX_46_v) t_3 = t_2 ^ 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_1 : ((t_1 != t_1) ? 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_1))) ^ Float32(0.5) t_5 = Float32(t_0 / t_4) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(0.05000000074505806)) tmp_2 = Float32(0.0) if (t_3 >= t_1) tmp_2 = Float32(t_2 / (((Float32(t_3 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))) != Float32(t_3 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))))) ? t_1 : ((t_1 != t_1) ? Float32(t_3 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))) : max(Float32(t_3 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))), t_1))) ^ Float32(0.5))); 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_1) tmp_1 = Float32(t_2 / t_4); else tmp_1 = t_5; end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_2 = floor(h) * dX_46_v; t_3 = t_2 ^ single(2.0); t_4 = max((((floor(w) * dX_46_u) ^ single(2.0)) + t_3), t_1) ^ single(0.5); t_5 = t_0 / t_4; tmp_2 = single(0.0); if (dX_46_u <= single(0.05000000074505806)) tmp_3 = single(0.0); if (t_3 >= t_1) tmp_3 = t_2 / (max((t_3 + (floor(w) * (floor(w) * (dX_46_u * dX_46_u)))), t_1) ^ single(0.5)); else tmp_3 = t_5; end tmp_2 = tmp_3; elseif (((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))) >= t_1) tmp_2 = t_2 / t_4; 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(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_0}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := {t\_2}^{2}\\
t_4 := {\left(\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + t\_3, t\_1\right)\right)}^{0.5}\\
t_5 := \frac{t\_0}{t\_4}\\
\mathbf{if}\;dX.u \leq 0.05000000074505806:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_3 \geq t\_1:\\
\;\;\;\;\frac{t\_2}{{\left(\mathsf{max}\left(t\_3 + \left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right), t\_1\right)\right)}^{0.5}}\\
\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\_1:\\
\;\;\;\;\frac{t\_2}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
if dX.u < 0.0500000007Initial program 72.8%
Simplified72.9%
Applied egg-rr73.0%
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.f3266.0%
Simplified66.0%
associate-*r*N/A
pow2N/A
unpow-prod-downN/A
*-commutativeN/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3266.0%
Applied egg-rr66.0%
pow2N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
associate-*l*N/A
pow2N/A
*-lowering-*.f32N/A
floor-lowering-floor.f32N/A
pow2N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3266.0%
Applied egg-rr66.0%
if 0.0500000007 < dX.u Initial program 69.4%
Simplified69.8%
Applied egg-rr69.8%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3268.2%
Simplified68.2%
Final simplification66.5%
(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_1 t_4))
(t_6 (/ t_0 t_4)))
(if (<= dX.u 0.05000000074505806)
(if (>= t_3 t_2) t_5 t_6)
(if (>= (* (* dX.u dX.u) (pow (floor w) 2.0)) t_2) t_5 t_6))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = 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_1 / t_4;
float t_6 = t_0 / t_4;
float tmp_1;
if (dX_46_u <= 0.05000000074505806f) {
float tmp_2;
if (t_3 >= t_2) {
tmp_2 = t_5;
} else {
tmp_2 = t_6;
}
tmp_1 = tmp_2;
} else if (((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)) >= t_2) {
tmp_1 = t_5;
} else {
tmp_1 = t_6;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(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_1 / t_4) t_6 = Float32(t_0 / t_4) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(0.05000000074505806)) tmp_2 = Float32(0.0) if (t_3 >= t_2) tmp_2 = t_5; else tmp_2 = t_6; end tmp_1 = tmp_2; elseif (Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) >= t_2) tmp_1 = t_5; else tmp_1 = t_6; end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = 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_1 / t_4; t_6 = t_0 / t_4; tmp_2 = single(0.0); if (dX_46_u <= single(0.05000000074505806)) tmp_3 = single(0.0); if (t_3 >= t_2) tmp_3 = t_5; else tmp_3 = t_6; end tmp_2 = tmp_3; elseif (((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))) >= t_2) tmp_2 = t_5; else tmp_2 = t_6; 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\_1}{t\_4}\\
t_6 := \frac{t\_0}{t\_4}\\
\mathbf{if}\;dX.u \leq 0.05000000074505806:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\\
\mathbf{elif}\;\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2} \geq t\_2:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}
\end{array}
if dX.u < 0.0500000007Initial program 72.8%
Simplified72.9%
Applied egg-rr73.0%
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.f3266.0%
Simplified66.0%
associate-*r*N/A
pow2N/A
unpow-prod-downN/A
*-commutativeN/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3266.0%
Applied egg-rr66.0%
if 0.0500000007 < dX.u Initial program 69.4%
Simplified69.8%
Applied egg-rr69.8%
Taylor expanded in dX.u around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3268.2%
Simplified68.2%
(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 72.0%
Simplified72.2%
Applied egg-rr72.3%
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.f3262.3%
Simplified62.3%
associate-*r*N/A
pow2N/A
unpow-prod-downN/A
*-commutativeN/A
pow-lowering-pow.f32N/A
*-lowering-*.f32N/A
floor-lowering-floor.f3262.3%
Applied egg-rr62.3%
herbie shell --seed 2024288
(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))))