
(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 8 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 (* dX.u (floor w)))
(t_1 (* dY.v (floor h)))
(t_2 (* dX.v (floor h)))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* dY.u (floor w)))
(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 = dX_46_u * floorf(w);
float t_1 = dY_46_v * floorf(h);
float t_2 = dX_46_v * floorf(h);
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = dY_46_u * floorf(w);
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(dX_46_u * floor(w)) t_1 = Float32(dY_46_v * floor(h)) t_2 = Float32(dX_46_v * floor(h)) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(dY_46_u * floor(w)) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(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 = dX_46_u * floor(w); t_1 = dY_46_v * floor(h); t_2 = dX_46_v * floor(h); t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = dY_46_u * floor(w); 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 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_2 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := dY.u \cdot \left\lfloor w\right\rfloor \\
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}
Initial program 76.1%
Final simplification76.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* dY.v (floor h)))
(t_2 (+ (pow t_1 2.0) (pow (* dY.u (floor w)) 2.0)))
(t_3 (+ (pow (* dX.u (floor w)) 2.0) (pow t_0 2.0)))
(t_4 (sqrt (fmax t_3 t_2))))
(if (>= t_3 t_2) (* (/ 1.0 t_4) t_0) (/ 1.0 (/ t_4 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 = dX_46_v * floorf(h);
float t_1 = dY_46_v * floorf(h);
float t_2 = powf(t_1, 2.0f) + powf((dY_46_u * floorf(w)), 2.0f);
float t_3 = powf((dX_46_u * floorf(w)), 2.0f) + powf(t_0, 2.0f);
float t_4 = sqrtf(fmaxf(t_3, t_2));
float tmp;
if (t_3 >= t_2) {
tmp = (1.0f / t_4) * t_0;
} else {
tmp = 1.0f / (t_4 / t_1);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_v * floor(h)) t_1 = Float32(dY_46_v * floor(h)) t_2 = Float32((t_1 ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) t_3 = Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_4 = sqrt(((t_3 != t_3) ? t_2 : ((t_2 != t_2) ? t_3 : max(t_3, t_2)))) tmp = Float32(0.0) if (t_3 >= t_2) tmp = Float32(Float32(Float32(1.0) / t_4) * t_0); else tmp = Float32(Float32(1.0) / Float32(t_4 / 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 = dX_46_v * floor(h); t_1 = dY_46_v * floor(h); t_2 = (t_1 ^ single(2.0)) + ((dY_46_u * floor(w)) ^ single(2.0)); t_3 = ((dX_46_u * floor(w)) ^ single(2.0)) + (t_0 ^ single(2.0)); t_4 = sqrt(max(t_3, t_2)); tmp = single(0.0); if (t_3 >= t_2) tmp = (single(1.0) / t_4) * t_0; else tmp = single(1.0) / (t_4 / t_1); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_2 := {t\_1}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {t\_0}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_3, t\_2\right)}\\
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;\frac{1}{t\_4} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{t\_4}{t\_1}}\\
\end{array}
\end{array}
Initial program 76.1%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites76.1%
Applied rewrites76.1%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3276.1
lift-*.f32N/A
pow2N/A
lower-pow.f3276.1
lift-*.f32N/A
*-commutativeN/A
lift-*.f3276.1
lift-*.f32N/A
pow2N/A
Applied rewrites76.1%
Final simplification76.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (+ (pow (* dY.v (floor h)) 2.0) (pow (* dY.u (floor w)) 2.0)))
(t_2 (+ (pow (* dX.u (floor w)) 2.0) (pow t_0 2.0)))
(t_3 (sqrt (fmax t_2 t_1))))
(if (>= t_2 t_1) (* (/ 1.0 t_3) t_0) (* (/ dY.v t_3) (floor h)))))
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_v * floorf(h);
float t_1 = powf((dY_46_v * floorf(h)), 2.0f) + powf((dY_46_u * floorf(w)), 2.0f);
float t_2 = powf((dX_46_u * floorf(w)), 2.0f) + powf(t_0, 2.0f);
float t_3 = sqrtf(fmaxf(t_2, t_1));
float tmp;
if (t_2 >= t_1) {
tmp = (1.0f / t_3) * t_0;
} else {
tmp = (dY_46_v / t_3) * floorf(h);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_v * floor(h)) t_1 = Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) t_2 = Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_3 = sqrt(((t_2 != t_2) ? t_1 : ((t_1 != t_1) ? t_2 : max(t_2, t_1)))) tmp = Float32(0.0) if (t_2 >= t_1) tmp = Float32(Float32(Float32(1.0) / t_3) * t_0); else tmp = Float32(Float32(dY_46_v / t_3) * floor(h)); 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_v * floor(h); t_1 = ((dY_46_v * floor(h)) ^ single(2.0)) + ((dY_46_u * floor(w)) ^ single(2.0)); t_2 = ((dX_46_u * floor(w)) ^ single(2.0)) + (t_0 ^ single(2.0)); t_3 = sqrt(max(t_2, t_1)); tmp = single(0.0); if (t_2 >= t_1) tmp = (single(1.0) / t_3) * t_0; else tmp = (dY_46_v / t_3) * floor(h); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {t\_0}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_2, t\_1\right)}\\
\mathbf{if}\;t\_2 \geq t\_1:\\
\;\;\;\;\frac{1}{t\_3} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;\frac{dY.v}{t\_3} \cdot \left\lfloor h\right\rfloor \\
\end{array}
\end{array}
Initial program 76.1%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites76.1%
Applied rewrites76.1%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3276.1
lift-*.f32N/A
pow2N/A
lower-pow.f3276.1
lift-*.f32N/A
*-commutativeN/A
lift-*.f3276.1
lift-*.f32N/A
pow2N/A
Applied rewrites76.1%
lift-/.f32N/A
lift-/.f32N/A
lift-*.f32N/A
associate-/r*N/A
associate-/r/N/A
clear-numN/A
Applied rewrites76.1%
Final simplification76.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.u (floor w)))
(t_1 (* dX.u (floor w)))
(t_2 (* t_1 t_1))
(t_3 (pow t_1 2.0))
(t_4 (* dY.v (floor h)))
(t_5 (+ (* t_4 t_4) (* t_0 t_0)))
(t_6 (+ (pow t_4 2.0) (pow t_0 2.0)))
(t_7 (* dX.v (floor h)))
(t_8 (sqrt (fmax (+ t_3 (pow t_7 2.0)) t_6))))
(if (<= dX.u 15.0)
(if (>= (* (* (pow (floor h) 2.0) dX.v) dX.v) t_6)
(* (/ 1.0 t_8) t_7)
(/ 1.0 (/ t_8 t_4)))
(if (>= t_3 t_6)
(* (/ 1.0 (sqrt (fmax (+ (* t_7 t_7) t_2) t_5))) t_7)
(* (/ 1.0 (sqrt (fmax (+ (exp (* (log t_7) 2.0)) t_2) t_5))) 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 = dY_46_u * floorf(w);
float t_1 = dX_46_u * floorf(w);
float t_2 = t_1 * t_1;
float t_3 = powf(t_1, 2.0f);
float t_4 = dY_46_v * floorf(h);
float t_5 = (t_4 * t_4) + (t_0 * t_0);
float t_6 = powf(t_4, 2.0f) + powf(t_0, 2.0f);
float t_7 = dX_46_v * floorf(h);
float t_8 = sqrtf(fmaxf((t_3 + powf(t_7, 2.0f)), t_6));
float tmp_1;
if (dX_46_u <= 15.0f) {
float tmp_2;
if (((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= t_6) {
tmp_2 = (1.0f / t_8) * t_7;
} else {
tmp_2 = 1.0f / (t_8 / t_4);
}
tmp_1 = tmp_2;
} else if (t_3 >= t_6) {
tmp_1 = (1.0f / sqrtf(fmaxf(((t_7 * t_7) + t_2), t_5))) * t_7;
} else {
tmp_1 = (1.0f / sqrtf(fmaxf((expf((logf(t_7) * 2.0f)) + t_2), t_5))) * 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(dY_46_u * floor(w)) t_1 = Float32(dX_46_u * floor(w)) t_2 = Float32(t_1 * t_1) t_3 = t_1 ^ Float32(2.0) t_4 = Float32(dY_46_v * floor(h)) t_5 = Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) t_6 = Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_7 = Float32(dX_46_v * floor(h)) t_8 = sqrt(((Float32(t_3 + (t_7 ^ Float32(2.0))) != Float32(t_3 + (t_7 ^ Float32(2.0)))) ? t_6 : ((t_6 != t_6) ? Float32(t_3 + (t_7 ^ Float32(2.0))) : max(Float32(t_3 + (t_7 ^ Float32(2.0))), t_6)))) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(15.0)) tmp_2 = Float32(0.0) if (Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= t_6) tmp_2 = Float32(Float32(Float32(1.0) / t_8) * t_7); else tmp_2 = Float32(Float32(1.0) / Float32(t_8 / t_4)); end tmp_1 = tmp_2; elseif (t_3 >= t_6) tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(t_7 * t_7) + t_2) != Float32(Float32(t_7 * t_7) + t_2)) ? t_5 : ((t_5 != t_5) ? Float32(Float32(t_7 * t_7) + t_2) : max(Float32(Float32(t_7 * t_7) + t_2), t_5))))) * t_7); else tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((Float32(exp(Float32(log(t_7) * Float32(2.0))) + t_2) != Float32(exp(Float32(log(t_7) * Float32(2.0))) + t_2)) ? t_5 : ((t_5 != t_5) ? Float32(exp(Float32(log(t_7) * Float32(2.0))) + t_2) : max(Float32(exp(Float32(log(t_7) * Float32(2.0))) + t_2), t_5))))) * 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 = dY_46_u * floor(w); t_1 = dX_46_u * floor(w); t_2 = t_1 * t_1; t_3 = t_1 ^ single(2.0); t_4 = dY_46_v * floor(h); t_5 = (t_4 * t_4) + (t_0 * t_0); t_6 = (t_4 ^ single(2.0)) + (t_0 ^ single(2.0)); t_7 = dX_46_v * floor(h); t_8 = sqrt(max((t_3 + (t_7 ^ single(2.0))), t_6)); tmp_2 = single(0.0); if (dX_46_u <= single(15.0)) tmp_3 = single(0.0); if ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= t_6) tmp_3 = (single(1.0) / t_8) * t_7; else tmp_3 = single(1.0) / (t_8 / t_4); end tmp_2 = tmp_3; elseif (t_3 >= t_6) tmp_2 = (single(1.0) / sqrt(max(((t_7 * t_7) + t_2), t_5))) * t_7; else tmp_2 = (single(1.0) / sqrt(max((exp((log(t_7) * single(2.0))) + t_2), t_5))) * t_4; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := t\_1 \cdot t\_1\\
t_3 := {t\_1}^{2}\\
t_4 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_5 := t\_4 \cdot t\_4 + t\_0 \cdot t\_0\\
t_6 := {t\_4}^{2} + {t\_0}^{2}\\
t_7 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_8 := \sqrt{\mathsf{max}\left(t\_3 + {t\_7}^{2}, t\_6\right)}\\
\mathbf{if}\;dX.u \leq 15:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq t\_6:\\
\;\;\;\;\frac{1}{t\_8} \cdot t\_7\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{t\_8}{t\_4}}\\
\end{array}\\
\mathbf{elif}\;t\_3 \geq t\_6:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_7 \cdot t\_7 + t\_2, t\_5\right)}} \cdot t\_7\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(e^{\log t\_7 \cdot 2} + t\_2, t\_5\right)}} \cdot t\_4\\
\end{array}
\end{array}
if dX.u < 15Initial program 79.3%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites79.3%
Applied rewrites79.3%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3279.3
lift-*.f32N/A
pow2N/A
lower-pow.f3279.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3279.3
lift-*.f32N/A
pow2N/A
Applied rewrites79.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3268.7
Applied rewrites68.7%
if 15 < dX.u Initial program 65.9%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.5
Applied rewrites64.5%
lift-*.f32N/A
pow2N/A
lower-pow.f3264.5
lift-*.f32N/A
*-commutativeN/A
lift-*.f3264.5
Applied rewrites64.5%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
Applied rewrites64.5%
lift-*.f32N/A
pow2N/A
pow-to-expN/A
lift-log.f32N/A
lift-*.f32N/A
lift-exp.f3265.8
Applied rewrites65.8%
Final simplification68.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.u (floor w)))
(t_1 (* dX.u (floor w)))
(t_2 (pow t_1 2.0))
(t_3 (* dY.v (floor h)))
(t_4 (+ (pow t_3 2.0) (pow t_0 2.0)))
(t_5 (* dX.v (floor h)))
(t_6 (sqrt (fmax (+ t_2 (pow t_5 2.0)) t_4)))
(t_7
(/
1.0
(sqrt
(fmax (+ (* t_5 t_5) (* t_1 t_1)) (+ (* t_3 t_3) (* t_0 t_0)))))))
(if (<= dX.u 15.0)
(if (>= (* (* (pow (floor h) 2.0) dX.v) dX.v) t_4)
(* (/ 1.0 t_6) t_5)
(/ 1.0 (/ t_6 t_3)))
(if (>= t_2 t_4) (* t_7 t_5) (* t_7 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 = dY_46_u * floorf(w);
float t_1 = dX_46_u * floorf(w);
float t_2 = powf(t_1, 2.0f);
float t_3 = dY_46_v * floorf(h);
float t_4 = powf(t_3, 2.0f) + powf(t_0, 2.0f);
float t_5 = dX_46_v * floorf(h);
float t_6 = sqrtf(fmaxf((t_2 + powf(t_5, 2.0f)), t_4));
float t_7 = 1.0f / sqrtf(fmaxf(((t_5 * t_5) + (t_1 * t_1)), ((t_3 * t_3) + (t_0 * t_0))));
float tmp_1;
if (dX_46_u <= 15.0f) {
float tmp_2;
if (((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= t_4) {
tmp_2 = (1.0f / t_6) * t_5;
} else {
tmp_2 = 1.0f / (t_6 / t_3);
}
tmp_1 = tmp_2;
} else if (t_2 >= t_4) {
tmp_1 = t_7 * t_5;
} else {
tmp_1 = t_7 * t_3;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_u * floor(w)) t_1 = Float32(dX_46_u * floor(w)) t_2 = t_1 ^ Float32(2.0) t_3 = Float32(dY_46_v * floor(h)) t_4 = Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_5 = Float32(dX_46_v * floor(h)) t_6 = sqrt(((Float32(t_2 + (t_5 ^ Float32(2.0))) != Float32(t_2 + (t_5 ^ Float32(2.0)))) ? t_4 : ((t_4 != t_4) ? Float32(t_2 + (t_5 ^ Float32(2.0))) : max(Float32(t_2 + (t_5 ^ Float32(2.0))), t_4)))) t_7 = Float32(Float32(1.0) / sqrt(((Float32(Float32(t_5 * t_5) + Float32(t_1 * t_1)) != Float32(Float32(t_5 * t_5) + Float32(t_1 * t_1))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : ((Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_5 * t_5) + Float32(t_1 * t_1)) : max(Float32(Float32(t_5 * t_5) + Float32(t_1 * t_1)), Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))))))) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(15.0)) tmp_2 = Float32(0.0) if (Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= t_4) tmp_2 = Float32(Float32(Float32(1.0) / t_6) * t_5); else tmp_2 = Float32(Float32(1.0) / Float32(t_6 / t_3)); end tmp_1 = tmp_2; elseif (t_2 >= t_4) tmp_1 = Float32(t_7 * t_5); else tmp_1 = Float32(t_7 * t_3); 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 = dY_46_u * floor(w); t_1 = dX_46_u * floor(w); t_2 = t_1 ^ single(2.0); t_3 = dY_46_v * floor(h); t_4 = (t_3 ^ single(2.0)) + (t_0 ^ single(2.0)); t_5 = dX_46_v * floor(h); t_6 = sqrt(max((t_2 + (t_5 ^ single(2.0))), t_4)); t_7 = single(1.0) / sqrt(max(((t_5 * t_5) + (t_1 * t_1)), ((t_3 * t_3) + (t_0 * t_0)))); tmp_2 = single(0.0); if (dX_46_u <= single(15.0)) tmp_3 = single(0.0); if ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= t_4) tmp_3 = (single(1.0) / t_6) * t_5; else tmp_3 = single(1.0) / (t_6 / t_3); end tmp_2 = tmp_3; elseif (t_2 >= t_4) tmp_2 = t_7 * t_5; else tmp_2 = t_7 * t_3; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := {t\_1}^{2}\\
t_3 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_4 := {t\_3}^{2} + {t\_0}^{2}\\
t_5 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_6 := \sqrt{\mathsf{max}\left(t\_2 + {t\_5}^{2}, t\_4\right)}\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_5 \cdot t\_5 + t\_1 \cdot t\_1, t\_3 \cdot t\_3 + t\_0 \cdot t\_0\right)}}\\
\mathbf{if}\;dX.u \leq 15:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq t\_4:\\
\;\;\;\;\frac{1}{t\_6} \cdot t\_5\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{t\_6}{t\_3}}\\
\end{array}\\
\mathbf{elif}\;t\_2 \geq t\_4:\\
\;\;\;\;t\_7 \cdot t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_7 \cdot t\_3\\
\end{array}
\end{array}
if dX.u < 15Initial program 79.3%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites79.3%
Applied rewrites79.3%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3279.3
lift-*.f32N/A
pow2N/A
lower-pow.f3279.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3279.3
lift-*.f32N/A
pow2N/A
Applied rewrites79.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3268.7
Applied rewrites68.7%
if 15 < dX.u Initial program 65.9%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.5
Applied rewrites64.5%
lift-*.f32N/A
pow2N/A
lower-pow.f3264.5
lift-*.f32N/A
*-commutativeN/A
lift-*.f3264.5
Applied rewrites64.5%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
Applied rewrites64.5%
Final simplification67.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.u (floor w)))
(t_1 (* dX.u (floor w)))
(t_2 (pow t_1 2.0))
(t_3 (* dY.v (floor h)))
(t_4 (* t_3 t_3))
(t_5 (+ (pow t_3 2.0) (pow t_0 2.0)))
(t_6 (* dX.v (floor h)))
(t_7 (sqrt (fmax (+ t_2 (pow t_6 2.0)) t_5)))
(t_8 (+ (* t_6 t_6) (* t_1 t_1))))
(if (<= dX.u 15.0)
(if (>= (* (* (pow (floor h) 2.0) dX.v) dX.v) t_5)
(* (/ 1.0 t_7) t_6)
(/ 1.0 (/ t_7 t_3)))
(if (>= t_2 t_5)
(* (/ 1.0 (sqrt (fmax t_8 (+ t_4 (* t_0 t_0))))) t_6)
(*
(/
1.0
(sqrt (fmax t_8 (+ (* (* (* dY.u dY.u) (floor w)) (floor w)) t_4))))
t_3)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dY_46_u * floorf(w);
float t_1 = dX_46_u * floorf(w);
float t_2 = powf(t_1, 2.0f);
float t_3 = dY_46_v * floorf(h);
float t_4 = t_3 * t_3;
float t_5 = powf(t_3, 2.0f) + powf(t_0, 2.0f);
float t_6 = dX_46_v * floorf(h);
float t_7 = sqrtf(fmaxf((t_2 + powf(t_6, 2.0f)), t_5));
float t_8 = (t_6 * t_6) + (t_1 * t_1);
float tmp_1;
if (dX_46_u <= 15.0f) {
float tmp_2;
if (((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= t_5) {
tmp_2 = (1.0f / t_7) * t_6;
} else {
tmp_2 = 1.0f / (t_7 / t_3);
}
tmp_1 = tmp_2;
} else if (t_2 >= t_5) {
tmp_1 = (1.0f / sqrtf(fmaxf(t_8, (t_4 + (t_0 * t_0))))) * t_6;
} else {
tmp_1 = (1.0f / sqrtf(fmaxf(t_8, ((((dY_46_u * dY_46_u) * floorf(w)) * floorf(w)) + t_4)))) * t_3;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_u * floor(w)) t_1 = Float32(dX_46_u * floor(w)) t_2 = t_1 ^ Float32(2.0) t_3 = Float32(dY_46_v * floor(h)) t_4 = Float32(t_3 * t_3) t_5 = Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_6 = Float32(dX_46_v * floor(h)) t_7 = sqrt(((Float32(t_2 + (t_6 ^ Float32(2.0))) != Float32(t_2 + (t_6 ^ Float32(2.0)))) ? t_5 : ((t_5 != t_5) ? Float32(t_2 + (t_6 ^ Float32(2.0))) : max(Float32(t_2 + (t_6 ^ Float32(2.0))), t_5)))) t_8 = Float32(Float32(t_6 * t_6) + Float32(t_1 * t_1)) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(15.0)) tmp_2 = Float32(0.0) if (Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= t_5) tmp_2 = Float32(Float32(Float32(1.0) / t_7) * t_6); else tmp_2 = Float32(Float32(1.0) / Float32(t_7 / t_3)); end tmp_1 = tmp_2; elseif (t_2 >= t_5) tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((t_8 != t_8) ? Float32(t_4 + Float32(t_0 * t_0)) : ((Float32(t_4 + Float32(t_0 * t_0)) != Float32(t_4 + Float32(t_0 * t_0))) ? t_8 : max(t_8, Float32(t_4 + Float32(t_0 * t_0))))))) * t_6); else tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((t_8 != t_8) ? Float32(Float32(Float32(Float32(dY_46_u * dY_46_u) * floor(w)) * floor(w)) + t_4) : ((Float32(Float32(Float32(Float32(dY_46_u * dY_46_u) * floor(w)) * floor(w)) + t_4) != Float32(Float32(Float32(Float32(dY_46_u * dY_46_u) * floor(w)) * floor(w)) + t_4)) ? t_8 : max(t_8, Float32(Float32(Float32(Float32(dY_46_u * dY_46_u) * floor(w)) * floor(w)) + t_4)))))) * t_3); 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 = dY_46_u * floor(w); t_1 = dX_46_u * floor(w); t_2 = t_1 ^ single(2.0); t_3 = dY_46_v * floor(h); t_4 = t_3 * t_3; t_5 = (t_3 ^ single(2.0)) + (t_0 ^ single(2.0)); t_6 = dX_46_v * floor(h); t_7 = sqrt(max((t_2 + (t_6 ^ single(2.0))), t_5)); t_8 = (t_6 * t_6) + (t_1 * t_1); tmp_2 = single(0.0); if (dX_46_u <= single(15.0)) tmp_3 = single(0.0); if ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= t_5) tmp_3 = (single(1.0) / t_7) * t_6; else tmp_3 = single(1.0) / (t_7 / t_3); end tmp_2 = tmp_3; elseif (t_2 >= t_5) tmp_2 = (single(1.0) / sqrt(max(t_8, (t_4 + (t_0 * t_0))))) * t_6; else tmp_2 = (single(1.0) / sqrt(max(t_8, ((((dY_46_u * dY_46_u) * floor(w)) * floor(w)) + t_4)))) * t_3; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := {t\_1}^{2}\\
t_3 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_4 := t\_3 \cdot t\_3\\
t_5 := {t\_3}^{2} + {t\_0}^{2}\\
t_6 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_7 := \sqrt{\mathsf{max}\left(t\_2 + {t\_6}^{2}, t\_5\right)}\\
t_8 := t\_6 \cdot t\_6 + t\_1 \cdot t\_1\\
\mathbf{if}\;dX.u \leq 15:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq t\_5:\\
\;\;\;\;\frac{1}{t\_7} \cdot t\_6\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{t\_7}{t\_3}}\\
\end{array}\\
\mathbf{elif}\;t\_2 \geq t\_5:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_8, t\_4 + t\_0 \cdot t\_0\right)}} \cdot t\_6\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_8, \left(\left(dY.u \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right) \cdot \left\lfloor w\right\rfloor + t\_4\right)}} \cdot t\_3\\
\end{array}
\end{array}
if dX.u < 15Initial program 79.3%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites79.3%
Applied rewrites79.3%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3279.3
lift-*.f32N/A
pow2N/A
lower-pow.f3279.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3279.3
lift-*.f32N/A
pow2N/A
Applied rewrites79.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3268.7
Applied rewrites68.7%
if 15 < dX.u Initial program 65.9%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.5
Applied rewrites64.5%
lift-*.f32N/A
pow2N/A
lower-pow.f3264.5
lift-*.f32N/A
*-commutativeN/A
lift-*.f3264.5
Applied rewrites64.5%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
Applied rewrites64.5%
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-*.f3264.5
Applied rewrites64.5%
Final simplification67.7%
(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 (* dX.v (floor h)))
(t_3 (sqrt (fmax (+ (pow (* dX.u (floor w)) 2.0) (pow t_2 2.0)) t_1)))
(t_4 (/ 1.0 (/ t_3 t_0)))
(t_5 (* (/ 1.0 t_3) t_2)))
(if (<= dX.u 15.0)
(if (>= (* (* (pow (floor h) 2.0) dX.v) dX.v) t_1) t_5 t_4)
(if (>= (* (* (pow (floor w) 2.0) dX.u) dX.u) t_1) t_5 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 = dY_46_v * floorf(h);
float t_1 = powf(t_0, 2.0f) + powf((dY_46_u * floorf(w)), 2.0f);
float t_2 = dX_46_v * floorf(h);
float t_3 = sqrtf(fmaxf((powf((dX_46_u * floorf(w)), 2.0f) + powf(t_2, 2.0f)), t_1));
float t_4 = 1.0f / (t_3 / t_0);
float t_5 = (1.0f / t_3) * t_2;
float tmp_1;
if (dX_46_u <= 15.0f) {
float tmp_2;
if (((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= t_1) {
tmp_2 = t_5;
} else {
tmp_2 = t_4;
}
tmp_1 = tmp_2;
} else if (((powf(floorf(w), 2.0f) * dX_46_u) * dX_46_u) >= t_1) {
tmp_1 = t_5;
} else {
tmp_1 = 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(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)) t_3 = sqrt(((Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? t_1 : ((t_1 != t_1) ? Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : max(Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))), t_1)))) t_4 = Float32(Float32(1.0) / Float32(t_3 / t_0)) t_5 = Float32(Float32(Float32(1.0) / t_3) * t_2) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(15.0)) tmp_2 = Float32(0.0) if (Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= t_1) tmp_2 = t_5; else tmp_2 = t_4; end tmp_1 = tmp_2; elseif (Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) >= t_1) tmp_1 = t_5; else tmp_1 = 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 = 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); t_3 = sqrt(max((((dX_46_u * floor(w)) ^ single(2.0)) + (t_2 ^ single(2.0))), t_1)); t_4 = single(1.0) / (t_3 / t_0); t_5 = (single(1.0) / t_3) * t_2; tmp_2 = single(0.0); if (dX_46_u <= single(15.0)) tmp_3 = single(0.0); if ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= t_1) tmp_3 = t_5; else tmp_3 = t_4; end tmp_2 = tmp_3; elseif ((((floor(w) ^ single(2.0)) * dX_46_u) * dX_46_u) >= t_1) tmp_2 = t_5; else tmp_2 = t_4; end tmp_4 = tmp_2; 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 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_3 := \sqrt{\mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {t\_2}^{2}, t\_1\right)}\\
t_4 := \frac{1}{\frac{t\_3}{t\_0}}\\
t_5 := \frac{1}{t\_3} \cdot t\_2\\
\mathbf{if}\;dX.u \leq 15:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq t\_1:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}\\
\mathbf{elif}\;\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot dX.u\right) \cdot dX.u \geq t\_1:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}
\end{array}
if dX.u < 15Initial program 79.3%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites79.3%
Applied rewrites79.3%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3279.3
lift-*.f32N/A
pow2N/A
lower-pow.f3279.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3279.3
lift-*.f32N/A
pow2N/A
Applied rewrites79.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3268.7
Applied rewrites68.7%
if 15 < dX.u Initial program 65.9%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites65.8%
Applied rewrites65.8%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3265.8
lift-*.f32N/A
pow2N/A
lower-pow.f3265.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3265.8
lift-*.f32N/A
pow2N/A
Applied rewrites65.8%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.4
Applied rewrites64.4%
Final simplification67.7%
(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 (* dX.v (floor h)))
(t_3 (sqrt (fmax (+ (pow (* dX.u (floor w)) 2.0) (pow t_2 2.0)) t_1))))
(if (>= (* (* (pow (floor h) 2.0) dX.v) dX.v) t_1)
(* (/ 1.0 t_3) t_2)
(/ 1.0 (/ t_3 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 = powf(t_0, 2.0f) + powf((dY_46_u * floorf(w)), 2.0f);
float t_2 = dX_46_v * floorf(h);
float t_3 = sqrtf(fmaxf((powf((dX_46_u * floorf(w)), 2.0f) + powf(t_2, 2.0f)), t_1));
float tmp;
if (((powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= t_1) {
tmp = (1.0f / t_3) * t_2;
} else {
tmp = 1.0f / (t_3 / 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((t_0 ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) t_2 = Float32(dX_46_v * floor(h)) t_3 = sqrt(((Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? t_1 : ((t_1 != t_1) ? Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : max(Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))), t_1)))) tmp = Float32(0.0) if (Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= t_1) tmp = Float32(Float32(Float32(1.0) / t_3) * t_2); else tmp = Float32(Float32(1.0) / Float32(t_3 / 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 = (t_0 ^ single(2.0)) + ((dY_46_u * floor(w)) ^ single(2.0)); t_2 = dX_46_v * floor(h); t_3 = sqrt(max((((dX_46_u * floor(w)) ^ single(2.0)) + (t_2 ^ single(2.0))), t_1)); tmp = single(0.0); if ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= t_1) tmp = (single(1.0) / t_3) * t_2; else tmp = single(1.0) / (t_3 / 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 := {t\_0}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_3 := \sqrt{\mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {t\_2}^{2}, t\_1\right)}\\
\mathbf{if}\;\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq t\_1:\\
\;\;\;\;\frac{1}{t\_3} \cdot t\_2\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{t\_3}{t\_0}}\\
\end{array}
\end{array}
Initial program 76.1%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites76.1%
Applied rewrites76.1%
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
lift-+.f3276.1
lift-*.f32N/A
pow2N/A
lower-pow.f3276.1
lift-*.f32N/A
*-commutativeN/A
lift-*.f3276.1
lift-*.f32N/A
pow2N/A
Applied rewrites76.1%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3261.4
Applied rewrites61.4%
Final simplification61.4%
herbie shell --seed 2024235
(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))))