
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_2) (* t_6 t_1))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_2;
} else {
tmp = t_6 * t_1;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_2); else tmp = Float32(t_6 * t_1); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_2; else tmp = t_6 * t_1; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_2) (* t_6 t_1))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_2;
} else {
tmp = t_6 * t_1;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_2); else tmp = Float32(t_6 * t_1); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_2; else tmp = t_6 * t_1; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (pow t_1 2.0))
(t_3 (* (floor w) dX.u))
(t_4 (* t_0 t_0))
(t_5 (+ (* t_3 t_3) t_4))
(t_6 (* (floor h) dY.v))
(t_7 (+ (* t_1 t_1) (* t_6 t_6)))
(t_8 (pow t_6 2.0))
(t_9 (- t_2 t_8)))
(if (>= t_5 t_7)
(* t_3 (/ 1.0 (sqrt (fmax t_5 t_7))))
(*
t_1
(/
1.0
(sqrt
(fmax
(+ t_4 (* (floor w) (* (floor w) (* dX.u dX.u))))
(* (+ t_2 t_8) (* t_9 (/ 1.0 t_9))))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = powf(t_1, 2.0f);
float t_3 = floorf(w) * dX_46_u;
float t_4 = t_0 * t_0;
float t_5 = (t_3 * t_3) + t_4;
float t_6 = floorf(h) * dY_46_v;
float t_7 = (t_1 * t_1) + (t_6 * t_6);
float t_8 = powf(t_6, 2.0f);
float t_9 = t_2 - t_8;
float tmp;
if (t_5 >= t_7) {
tmp = t_3 * (1.0f / sqrtf(fmaxf(t_5, t_7)));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf((t_4 + (floorf(w) * (floorf(w) * (dX_46_u * dX_46_u)))), ((t_2 + t_8) * (t_9 * (1.0f / t_9))))));
}
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 = t_1 ^ Float32(2.0) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(t_0 * t_0) t_5 = Float32(Float32(t_3 * t_3) + t_4) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(Float32(t_1 * t_1) + Float32(t_6 * t_6)) t_8 = t_6 ^ Float32(2.0) t_9 = Float32(t_2 - t_8) tmp = Float32(0.0) if (t_5 >= t_7) tmp = Float32(t_3 * Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? t_7 : ((t_7 != t_7) ? t_5 : max(t_5, t_7)))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((Float32(t_4 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))) != Float32(t_4 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))))) ? Float32(Float32(t_2 + t_8) * Float32(t_9 * Float32(Float32(1.0) / t_9))) : ((Float32(Float32(t_2 + t_8) * Float32(t_9 * Float32(Float32(1.0) / t_9))) != Float32(Float32(t_2 + t_8) * Float32(t_9 * Float32(Float32(1.0) / t_9)))) ? Float32(t_4 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))) : max(Float32(t_4 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))), Float32(Float32(t_2 + t_8) * Float32(t_9 * Float32(Float32(1.0) / t_9))))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = t_1 ^ single(2.0); t_3 = floor(w) * dX_46_u; t_4 = t_0 * t_0; t_5 = (t_3 * t_3) + t_4; t_6 = floor(h) * dY_46_v; t_7 = (t_1 * t_1) + (t_6 * t_6); t_8 = t_6 ^ single(2.0); t_9 = t_2 - t_8; tmp = single(0.0); if (t_5 >= t_7) tmp = t_3 * (single(1.0) / sqrt(max(t_5, t_7))); else tmp = t_1 * (single(1.0) / sqrt(max((t_4 + (floor(w) * (floor(w) * (dX_46_u * dX_46_u)))), ((t_2 + t_8) * (t_9 * (single(1.0) / t_9)))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := {t\_1}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := t\_0 \cdot t\_0\\
t_5 := t\_3 \cdot t\_3 + t\_4\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_1 \cdot t\_1 + t\_6 \cdot t\_6\\
t_8 := {t\_6}^{2}\\
t_9 := t\_2 - t\_8\\
\mathbf{if}\;t\_5 \geq t\_7:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_7\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_4 + \left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right), \left(t\_2 + t\_8\right) \cdot \left(t\_9 \cdot \frac{1}{t\_9}\right)\right)}}\\
\end{array}
\end{array}
Initial program 77.9%
lift-floor.f32N/A
lift-*.f32N/A
*-lft-identityN/A
lift-floor.f32N/A
lift-*.f32N/A
*-lft-identityN/A
*-lft-identityN/A
*-lft-identityN/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
Applied rewrites78.2%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-*.f32N/A
unpow-prod-downN/A
pow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3278.2
Applied rewrites78.2%
Final simplification78.2%
(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 h) dY.v))
(t_3 (+ (* t_1 t_1) (* t_2 t_2)))
(t_4 (pow t_2 2.0))
(t_5 (* (floor w) dX.u))
(t_6 (* t_5 t_5))
(t_7 (+ t_6 (* t_0 t_0)))
(t_8 (pow t_1 2.0))
(t_9 (- t_8 t_4)))
(if (>= t_7 t_3)
(* t_5 (/ 1.0 (sqrt (fmax t_7 t_3))))
(*
t_1
(/
1.0
(sqrt
(fmax
(+ t_6 (* dX.v (* dX.v (pow (floor h) 2.0))))
(* (+ t_8 t_4) (* t_9 (/ 1.0 t_9))))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = (t_1 * t_1) + (t_2 * t_2);
float t_4 = powf(t_2, 2.0f);
float t_5 = floorf(w) * dX_46_u;
float t_6 = t_5 * t_5;
float t_7 = t_6 + (t_0 * t_0);
float t_8 = powf(t_1, 2.0f);
float t_9 = t_8 - t_4;
float tmp;
if (t_7 >= t_3) {
tmp = t_5 * (1.0f / sqrtf(fmaxf(t_7, t_3)));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf((t_6 + (dX_46_v * (dX_46_v * powf(floorf(h), 2.0f)))), ((t_8 + t_4) * (t_9 * (1.0f / t_9))))));
}
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(h) * dY_46_v) t_3 = Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) t_4 = t_2 ^ Float32(2.0) t_5 = Float32(floor(w) * dX_46_u) t_6 = Float32(t_5 * t_5) t_7 = Float32(t_6 + Float32(t_0 * t_0)) t_8 = t_1 ^ Float32(2.0) t_9 = Float32(t_8 - t_4) tmp = Float32(0.0) if (t_7 >= t_3) tmp = Float32(t_5 * Float32(Float32(1.0) / sqrt(((t_7 != t_7) ? t_3 : ((t_3 != t_3) ? t_7 : max(t_7, t_3)))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((Float32(t_6 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) != Float32(t_6 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))))) ? Float32(Float32(t_8 + t_4) * Float32(t_9 * Float32(Float32(1.0) / t_9))) : ((Float32(Float32(t_8 + t_4) * Float32(t_9 * Float32(Float32(1.0) / t_9))) != Float32(Float32(t_8 + t_4) * Float32(t_9 * Float32(Float32(1.0) / t_9)))) ? Float32(t_6 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) : max(Float32(t_6 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))), Float32(Float32(t_8 + t_4) * Float32(t_9 * Float32(Float32(1.0) / t_9))))))))); 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(h) * dY_46_v; t_3 = (t_1 * t_1) + (t_2 * t_2); t_4 = t_2 ^ single(2.0); t_5 = floor(w) * dX_46_u; t_6 = t_5 * t_5; t_7 = t_6 + (t_0 * t_0); t_8 = t_1 ^ single(2.0); t_9 = t_8 - t_4; tmp = single(0.0); if (t_7 >= t_3) tmp = t_5 * (single(1.0) / sqrt(max(t_7, t_3))); else tmp = t_1 * (single(1.0) / sqrt(max((t_6 + (dX_46_v * (dX_46_v * (floor(h) ^ single(2.0))))), ((t_8 + t_4) * (t_9 * (single(1.0) / t_9)))))); 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 h\right\rfloor \cdot dY.v\\
t_3 := t\_1 \cdot t\_1 + t\_2 \cdot t\_2\\
t_4 := {t\_2}^{2}\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_6 := t\_5 \cdot t\_5\\
t_7 := t\_6 + t\_0 \cdot t\_0\\
t_8 := {t\_1}^{2}\\
t_9 := t\_8 - t\_4\\
\mathbf{if}\;t\_7 \geq t\_3:\\
\;\;\;\;t\_5 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_7, t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_6 + dX.v \cdot \left(dX.v \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2}\right), \left(t\_8 + t\_4\right) \cdot \left(t\_9 \cdot \frac{1}{t\_9}\right)\right)}}\\
\end{array}
\end{array}
Initial program 77.9%
lift-floor.f32N/A
lift-*.f32N/A
*-lft-identityN/A
lift-floor.f32N/A
lift-*.f32N/A
*-lft-identityN/A
*-lft-identityN/A
*-lft-identityN/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
Applied rewrites78.2%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
pow2N/A
lift-*.f32N/A
associate-*r*N/A
lower-*.f32N/A
lift-*.f32N/A
*-commutativeN/A
associate-*r*N/A
unpow2N/A
lift-pow.f32N/A
lift-*.f3278.2
Applied rewrites78.2%
Final simplification78.2%
(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))))
(if (>= t_3 t_5)
(* t_2 (/ 1.0 (sqrt (fmax t_3 t_5))))
(/
t_1
(sqrt
(fmax
(+ (pow t_2 2.0) (pow t_0 2.0))
(+ (pow t_1 2.0) (pow t_4 2.0))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = 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 tmp;
if (t_3 >= t_5) {
tmp = t_2 * (1.0f / sqrtf(fmaxf(t_3, t_5)));
} else {
tmp = t_1 / sqrtf(fmaxf((powf(t_2, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_4, 2.0f))));
}
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)) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_2 * Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5)))))); else tmp = Float32(t_1 / sqrt(((Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = 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); tmp = single(0.0); if (t_3 >= t_5) tmp = t_2 * (single(1.0) / sqrt(max(t_3, t_5))); else tmp = t_1 / sqrt(max(((t_2 ^ single(2.0)) + (t_0 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_4 ^ single(2.0))))); 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\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left({t\_2}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_4}^{2}\right)}}\\
\end{array}
\end{array}
Initial program 77.9%
Applied rewrites78.0%
Final simplification78.0%
(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 h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4
(sqrt
(fmax
(+ (pow t_3 2.0) (pow t_0 2.0))
(+ (pow t_1 2.0) (pow t_2 2.0))))))
(if (>= (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2)))
(/ t_3 t_4)
(* t_1 (/ 1.0 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) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = sqrtf(fmaxf((powf(t_3, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_2, 2.0f))));
float tmp;
if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_1 * t_1) + (t_2 * t_2))) {
tmp = t_3 / t_4;
} else {
tmp = t_1 * (1.0f / 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(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = sqrt(((Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))))) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) >= Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) tmp = Float32(t_3 / t_4); else tmp = Float32(t_1 * Float32(Float32(1.0) / 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) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = sqrt(max(((t_3 ^ single(2.0)) + (t_0 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_2 ^ single(2.0))))); tmp = single(0.0); if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_1 * t_1) + (t_2 * t_2))) tmp = t_3 / t_4; else tmp = t_1 * (single(1.0) / 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 h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \sqrt{\mathsf{max}\left({t\_3}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_2}^{2}\right)}\\
\mathbf{if}\;t\_3 \cdot t\_3 + t\_0 \cdot t\_0 \geq t\_1 \cdot t\_1 + t\_2 \cdot t\_2:\\
\;\;\;\;\frac{t\_3}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{t\_4}\\
\end{array}
\end{array}
Initial program 77.9%
Applied rewrites78.0%
Applied rewrites78.0%
Final simplification78.0%
(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 h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4
(sqrt
(fmax
(+ (pow t_3 2.0) (pow t_0 2.0))
(+ (pow t_1 2.0) (pow t_2 2.0))))))
(if (>= (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2)))
(* (floor w) (/ dX.u t_4))
(* t_1 (/ 1.0 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) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = sqrtf(fmaxf((powf(t_3, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_2, 2.0f))));
float tmp;
if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_1 * t_1) + (t_2 * t_2))) {
tmp = floorf(w) * (dX_46_u / t_4);
} else {
tmp = t_1 * (1.0f / 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(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = sqrt(((Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))))) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) >= Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) tmp = Float32(floor(w) * Float32(dX_46_u / t_4)); else tmp = Float32(t_1 * Float32(Float32(1.0) / 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) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = sqrt(max(((t_3 ^ single(2.0)) + (t_0 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_2 ^ single(2.0))))); tmp = single(0.0); if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_1 * t_1) + (t_2 * t_2))) tmp = floor(w) * (dX_46_u / t_4); else tmp = t_1 * (single(1.0) / 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 h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \sqrt{\mathsf{max}\left({t\_3}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_2}^{2}\right)}\\
\mathbf{if}\;t\_3 \cdot t\_3 + t\_0 \cdot t\_0 \geq t\_1 \cdot t\_1 + t\_2 \cdot t\_2:\\
\;\;\;\;\left\lfloor w\right\rfloor \cdot \frac{dX.u}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{t\_4}\\
\end{array}
\end{array}
Initial program 77.9%
Applied rewrites77.8%
Applied rewrites77.8%
Final simplification77.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* t_2 t_2))
(t_4 (+ t_3 (* t_1 t_1)))
(t_5 (* (floor w) dX.u))
(t_6 (+ (* t_5 t_5) (* t_0 t_0)))
(t_7 (/ 1.0 (sqrt (fmax t_6 t_4))))
(t_8 (* t_5 t_7))
(t_9 (pow (floor h) 2.0)))
(if (<= dX.v 0.20000000298023224)
(if (>= (pow t_5 2.0) (+ (pow t_2 2.0) (pow t_1 2.0)))
t_8
(* t_2 (/ 1.0 (sqrt (fmax t_6 (+ t_3 (* t_9 (* dY.v dY.v))))))))
(if (>= (* dX.v (* dX.v t_9)) t_4) t_8 (* t_2 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(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = t_2 * t_2;
float t_4 = t_3 + (t_1 * t_1);
float t_5 = floorf(w) * dX_46_u;
float t_6 = (t_5 * t_5) + (t_0 * t_0);
float t_7 = 1.0f / sqrtf(fmaxf(t_6, t_4));
float t_8 = t_5 * t_7;
float t_9 = powf(floorf(h), 2.0f);
float tmp_1;
if (dX_46_v <= 0.20000000298023224f) {
float tmp_2;
if (powf(t_5, 2.0f) >= (powf(t_2, 2.0f) + powf(t_1, 2.0f))) {
tmp_2 = t_8;
} else {
tmp_2 = t_2 * (1.0f / sqrtf(fmaxf(t_6, (t_3 + (t_9 * (dY_46_v * dY_46_v))))));
}
tmp_1 = tmp_2;
} else if ((dX_46_v * (dX_46_v * t_9)) >= t_4) {
tmp_1 = t_8;
} else {
tmp_1 = t_2 * 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(h) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(t_2 * t_2) t_4 = Float32(t_3 + Float32(t_1 * t_1)) t_5 = Float32(floor(w) * dX_46_u) t_6 = Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)) t_7 = Float32(Float32(1.0) / sqrt(((t_6 != t_6) ? t_4 : ((t_4 != t_4) ? t_6 : max(t_6, t_4))))) t_8 = Float32(t_5 * t_7) t_9 = floor(h) ^ Float32(2.0) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(0.20000000298023224)) tmp_2 = Float32(0.0) if ((t_5 ^ Float32(2.0)) >= Float32((t_2 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) tmp_2 = t_8; else tmp_2 = Float32(t_2 * Float32(Float32(1.0) / sqrt(((t_6 != t_6) ? Float32(t_3 + Float32(t_9 * Float32(dY_46_v * dY_46_v))) : ((Float32(t_3 + Float32(t_9 * Float32(dY_46_v * dY_46_v))) != Float32(t_3 + Float32(t_9 * Float32(dY_46_v * dY_46_v)))) ? t_6 : max(t_6, Float32(t_3 + Float32(t_9 * Float32(dY_46_v * dY_46_v))))))))); end tmp_1 = tmp_2; elseif (Float32(dX_46_v * Float32(dX_46_v * t_9)) >= t_4) tmp_1 = t_8; else tmp_1 = Float32(t_2 * 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(h) * dX_46_v; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = t_2 * t_2; t_4 = t_3 + (t_1 * t_1); t_5 = floor(w) * dX_46_u; t_6 = (t_5 * t_5) + (t_0 * t_0); t_7 = single(1.0) / sqrt(max(t_6, t_4)); t_8 = t_5 * t_7; t_9 = floor(h) ^ single(2.0); tmp_2 = single(0.0); if (dX_46_v <= single(0.20000000298023224)) tmp_3 = single(0.0); if ((t_5 ^ single(2.0)) >= ((t_2 ^ single(2.0)) + (t_1 ^ single(2.0)))) tmp_3 = t_8; else tmp_3 = t_2 * (single(1.0) / sqrt(max(t_6, (t_3 + (t_9 * (dY_46_v * dY_46_v)))))); end tmp_2 = tmp_3; elseif ((dX_46_v * (dX_46_v * t_9)) >= t_4) tmp_2 = t_8; else tmp_2 = t_2 * t_7; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := t\_2 \cdot t\_2\\
t_4 := t\_3 + t\_1 \cdot t\_1\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_6 := t\_5 \cdot t\_5 + t\_0 \cdot t\_0\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_4\right)}}\\
t_8 := t\_5 \cdot t\_7\\
t_9 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
\mathbf{if}\;dX.v \leq 0.20000000298023224:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_5}^{2} \geq {t\_2}^{2} + {t\_1}^{2}:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_3 + t\_9 \cdot \left(dY.v \cdot dY.v\right)\right)}}\\
\end{array}\\
\mathbf{elif}\;dX.v \cdot \left(dX.v \cdot t\_9\right) \geq t\_4:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot t\_7\\
\end{array}
\end{array}
if dX.v < 0.200000003Initial program 77.2%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3270.8
Applied rewrites70.8%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-pow.f3270.8
Applied rewrites70.8%
lift-floor.f32N/A
lift-pow.f32N/A
associate-*r*N/A
pow2N/A
lift-pow.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
unpow1N/A
pow2N/A
lift-*.f32N/A
Applied rewrites70.8%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3270.9
Applied rewrites70.9%
if 0.200000003 < dX.v Initial program 79.7%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3276.9
Applied rewrites76.9%
Final simplification72.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* t_1 t_1))
(t_3 (* (floor h) dY.v))
(t_4 (* (floor w) dX.u))
(t_5 (+ (* t_4 t_4) (* t_0 t_0))))
(if (>= (pow t_4 2.0) (+ (pow t_1 2.0) (pow t_3 2.0)))
(* t_4 (/ 1.0 (sqrt (fmax t_5 (+ t_2 (* t_3 t_3))))))
(*
t_1
(/
1.0
(sqrt (fmax t_5 (+ t_2 (* dY.v (* dY.v (pow (floor h) 2.0)))))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = t_1 * t_1;
float t_3 = floorf(h) * dY_46_v;
float t_4 = floorf(w) * dX_46_u;
float t_5 = (t_4 * t_4) + (t_0 * t_0);
float tmp;
if (powf(t_4, 2.0f) >= (powf(t_1, 2.0f) + powf(t_3, 2.0f))) {
tmp = t_4 * (1.0f / sqrtf(fmaxf(t_5, (t_2 + (t_3 * t_3)))));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf(t_5, (t_2 + (dY_46_v * (dY_46_v * powf(floorf(h), 2.0f)))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(t_1 * t_1) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) tmp = Float32(0.0) if ((t_4 ^ Float32(2.0)) >= Float32((t_1 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))) tmp = Float32(t_4 * Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_2 + Float32(t_3 * t_3)) : ((Float32(t_2 + Float32(t_3 * t_3)) != Float32(t_2 + Float32(t_3 * t_3))) ? t_5 : max(t_5, Float32(t_2 + Float32(t_3 * t_3)))))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_2 + Float32(dY_46_v * Float32(dY_46_v * (floor(h) ^ Float32(2.0))))) : ((Float32(t_2 + Float32(dY_46_v * Float32(dY_46_v * (floor(h) ^ Float32(2.0))))) != Float32(t_2 + Float32(dY_46_v * Float32(dY_46_v * (floor(h) ^ Float32(2.0)))))) ? t_5 : max(t_5, Float32(t_2 + Float32(dY_46_v * Float32(dY_46_v * (floor(h) ^ Float32(2.0))))))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = t_1 * t_1; t_3 = floor(h) * dY_46_v; t_4 = floor(w) * dX_46_u; t_5 = (t_4 * t_4) + (t_0 * t_0); tmp = single(0.0); if ((t_4 ^ single(2.0)) >= ((t_1 ^ single(2.0)) + (t_3 ^ single(2.0)))) tmp = t_4 * (single(1.0) / sqrt(max(t_5, (t_2 + (t_3 * t_3))))); else tmp = t_1 * (single(1.0) / sqrt(max(t_5, (t_2 + (dY_46_v * (dY_46_v * (floor(h) ^ single(2.0)))))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := t\_1 \cdot t\_1\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4 + t\_0 \cdot t\_0\\
\mathbf{if}\;{t\_4}^{2} \geq {t\_1}^{2} + {t\_3}^{2}:\\
\;\;\;\;t\_4 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_2 + t\_3 \cdot t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_2 + dY.v \cdot \left(dY.v \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2}\right)\right)}}\\
\end{array}
\end{array}
Initial program 77.9%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-pow.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-pow.f32N/A
associate-*r*N/A
pow2N/A
lift-pow.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
unpow1N/A
pow2N/A
lift-*.f32N/A
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
pow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f3267.3
Applied rewrites67.3%
Final simplification67.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* t_1 t_1))
(t_3 (* (floor h) dY.v))
(t_4 (* (floor w) dX.u))
(t_5 (+ (* t_4 t_4) (* t_0 t_0))))
(if (>= (pow t_4 2.0) (+ (pow t_1 2.0) (pow t_3 2.0)))
(* t_4 (/ 1.0 (sqrt (fmax t_5 (+ t_2 (* t_3 t_3))))))
(*
t_1
(/
1.0
(sqrt (fmax t_5 (+ t_2 (* (floor h) (* (floor h) (* dY.v dY.v)))))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = t_1 * t_1;
float t_3 = floorf(h) * dY_46_v;
float t_4 = floorf(w) * dX_46_u;
float t_5 = (t_4 * t_4) + (t_0 * t_0);
float tmp;
if (powf(t_4, 2.0f) >= (powf(t_1, 2.0f) + powf(t_3, 2.0f))) {
tmp = t_4 * (1.0f / sqrtf(fmaxf(t_5, (t_2 + (t_3 * t_3)))));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf(t_5, (t_2 + (floorf(h) * (floorf(h) * (dY_46_v * dY_46_v)))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(t_1 * t_1) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) tmp = Float32(0.0) if ((t_4 ^ Float32(2.0)) >= Float32((t_1 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))) tmp = Float32(t_4 * Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_2 + Float32(t_3 * t_3)) : ((Float32(t_2 + Float32(t_3 * t_3)) != Float32(t_2 + Float32(t_3 * t_3))) ? t_5 : max(t_5, Float32(t_2 + Float32(t_3 * t_3)))))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) : ((Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))) != Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v))))) ? t_5 : max(t_5, Float32(t_2 + Float32(floor(h) * Float32(floor(h) * Float32(dY_46_v * dY_46_v)))))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = t_1 * t_1; t_3 = floor(h) * dY_46_v; t_4 = floor(w) * dX_46_u; t_5 = (t_4 * t_4) + (t_0 * t_0); tmp = single(0.0); if ((t_4 ^ single(2.0)) >= ((t_1 ^ single(2.0)) + (t_3 ^ single(2.0)))) tmp = t_4 * (single(1.0) / sqrt(max(t_5, (t_2 + (t_3 * t_3))))); else tmp = t_1 * (single(1.0) / sqrt(max(t_5, (t_2 + (floor(h) * (floor(h) * (dY_46_v * dY_46_v))))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := t\_1 \cdot t\_1\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4 + t\_0 \cdot t\_0\\
\mathbf{if}\;{t\_4}^{2} \geq {t\_1}^{2} + {t\_3}^{2}:\\
\;\;\;\;t\_4 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_2 + t\_3 \cdot t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_2 + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dY.v \cdot dY.v\right)\right)\right)}}\\
\end{array}
\end{array}
Initial program 77.9%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-pow.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-pow.f32N/A
associate-*r*N/A
pow2N/A
lift-pow.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
unpow1N/A
pow2N/A
lift-*.f32N/A
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
pow2N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lift-*.f32N/A
*-commutativeN/A
associate-*r*N/A
pow2N/A
lower-*.f32N/A
pow2N/A
lower-*.f3267.3
Applied rewrites67.3%
Final simplification67.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (+ (* t_0 t_0) (* t_1 t_1)))
(t_3 (* (floor w) dX.u))
(t_4 (* (floor h) dX.v))
(t_5 (* t_3 t_3)))
(if (>= (pow t_3 2.0) (+ (pow t_0 2.0) (pow t_1 2.0)))
(*
t_3
(/ 1.0 (sqrt (fmax (+ t_5 (* dX.v (* dX.v (pow (floor h) 2.0)))) t_2))))
(* t_0 (/ 1.0 (sqrt (fmax (+ t_5 (* t_4 t_4)) t_2)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = (t_0 * t_0) + (t_1 * t_1);
float t_3 = floorf(w) * dX_46_u;
float t_4 = floorf(h) * dX_46_v;
float t_5 = t_3 * t_3;
float tmp;
if (powf(t_3, 2.0f) >= (powf(t_0, 2.0f) + powf(t_1, 2.0f))) {
tmp = t_3 * (1.0f / sqrtf(fmaxf((t_5 + (dX_46_v * (dX_46_v * powf(floorf(h), 2.0f)))), t_2)));
} else {
tmp = t_0 * (1.0f / sqrtf(fmaxf((t_5 + (t_4 * t_4)), t_2)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(floor(h) * dX_46_v) t_5 = Float32(t_3 * t_3) tmp = Float32(0.0) if ((t_3 ^ Float32(2.0)) >= Float32((t_0 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) tmp = Float32(t_3 * Float32(Float32(1.0) / sqrt(((Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) != Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))))) ? t_2 : ((t_2 != t_2) ? Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) : max(Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))), t_2)))))); else tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((Float32(t_5 + Float32(t_4 * t_4)) != Float32(t_5 + Float32(t_4 * t_4))) ? t_2 : ((t_2 != t_2) ? Float32(t_5 + Float32(t_4 * t_4)) : max(Float32(t_5 + Float32(t_4 * t_4)), t_2)))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = (t_0 * t_0) + (t_1 * t_1); t_3 = floor(w) * dX_46_u; t_4 = floor(h) * dX_46_v; t_5 = t_3 * t_3; tmp = single(0.0); if ((t_3 ^ single(2.0)) >= ((t_0 ^ single(2.0)) + (t_1 ^ single(2.0)))) tmp = t_3 * (single(1.0) / sqrt(max((t_5 + (dX_46_v * (dX_46_v * (floor(h) ^ single(2.0))))), t_2))); else tmp = t_0 * (single(1.0) / sqrt(max((t_5 + (t_4 * t_4)), t_2))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := t\_0 \cdot t\_0 + t\_1 \cdot t\_1\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := t\_3 \cdot t\_3\\
\mathbf{if}\;{t\_3}^{2} \geq {t\_0}^{2} + {t\_1}^{2}:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5 + dX.v \cdot \left(dX.v \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2}\right), t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5 + t\_4 \cdot t\_4, t\_2\right)}}\\
\end{array}
\end{array}
Initial program 77.9%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-pow.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-pow.f32N/A
associate-*r*N/A
pow2N/A
lift-pow.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
unpow1N/A
pow2N/A
lift-*.f32N/A
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
pow2N/A
associate-*r*N/A
*-commutativeN/A
lift-*.f32N/A
lift-*.f3267.3
Applied rewrites67.3%
Final simplification67.3%
herbie shell --seed 2024219
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (line direction, u)"
:precision binary32
:pre (and (and (and (and (and (and (and (<= 1.0 w) (<= w 16384.0)) (and (<= 1.0 h) (<= h 16384.0))) (and (<= 1e-20 (fabs dX.u)) (<= (fabs dX.u) 1e+20))) (and (<= 1e-20 (fabs dX.v)) (<= (fabs dX.v) 1e+20))) (and (<= 1e-20 (fabs dY.u)) (<= (fabs dY.u) 1e+20))) (and (<= 1e-20 (fabs dY.v)) (<= (fabs dY.v) 1e+20))) (== maxAniso 16.0))
(if (>= (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))) (* (/ 1.0 (sqrt (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))))) (* (floor w) dX.u)) (* (/ 1.0 (sqrt (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))))) (* (floor w) dY.u))))