
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_0) (* t_6 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_0;
} else {
tmp = t_6 * t_4;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_0); else tmp = Float32(t_6 * t_4); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_0; else tmp = t_6 * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_0) (* t_6 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_0;
} else {
tmp = t_6 * t_4;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_0); else tmp = Float32(t_6 * t_4); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_0; else tmp = t_6 * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (+ (pow (* (floor w) dX.u) 2.0) (pow t_0 2.0)))
(t_3 (* (floor w) dY.u))
(t_4 (+ (pow t_1 2.0) (pow t_3 2.0))))
(if (>= t_2 t_4)
(*
t_0
(/
1.0
(sqrt
(fmax
(+ (* (pow (floor w) 2.0) (* dX.u dX.u)) (* t_0 t_0))
(+ (* t_3 t_3) (* t_1 t_1))))))
(/ (- (/ t_1 -1.0)) (sqrt (fmax 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 = floorf(h) * dY_46_v;
float t_2 = powf((floorf(w) * dX_46_u), 2.0f) + powf(t_0, 2.0f);
float t_3 = floorf(w) * dY_46_u;
float t_4 = powf(t_1, 2.0f) + powf(t_3, 2.0f);
float tmp;
if (t_2 >= t_4) {
tmp = t_0 * (1.0f / sqrtf(fmaxf(((powf(floorf(w), 2.0f) * (dX_46_u * dX_46_u)) + (t_0 * t_0)), ((t_3 * t_3) + (t_1 * t_1)))));
} else {
tmp = -(t_1 / -1.0f) / sqrtf(fmaxf(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(floor(h) * dY_46_v) t_2 = Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32((t_1 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) tmp = Float32(0.0) if (t_2 >= t_4) tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + Float32(t_0 * t_0)) != Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + Float32(t_0 * t_0))) ? Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) : ((Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) != Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1))) ? Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + Float32(t_0 * t_0)) : max(Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + Float32(t_0 * t_0)), Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)))))))); else tmp = Float32(Float32(-Float32(t_1 / Float32(-1.0))) / sqrt(((t_2 != t_2) ? t_4 : ((t_4 != t_4) ? t_2 : max(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(h) * dY_46_v; t_2 = ((floor(w) * dX_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_3 = floor(w) * dY_46_u; t_4 = (t_1 ^ single(2.0)) + (t_3 ^ single(2.0)); tmp = single(0.0); if (t_2 >= t_4) tmp = t_0 * (single(1.0) / sqrt(max((((floor(w) ^ single(2.0)) * (dX_46_u * dX_46_u)) + (t_0 * t_0)), ((t_3 * t_3) + (t_1 * t_1))))); else tmp = -(t_1 / single(-1.0)) / sqrt(max(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\lfloor h\right\rfloor \cdot dY.v\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {t\_0}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := {t\_1}^{2} + {t\_3}^{2}\\
\mathbf{if}\;t\_2 \geq t\_4:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dX.u \cdot dX.u\right) + t\_0 \cdot t\_0, t\_3 \cdot t\_3 + t\_1 \cdot t\_1\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{-\frac{t\_1}{-1}}{\sqrt{\mathsf{max}\left(t\_2, t\_4\right)}}\\
\end{array}
\end{array}
Initial program 72.7%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites72.8%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
lower-*.f32N/A
lower-pow.f32N/A
pow2N/A
lower-*.f3272.8
Applied rewrites72.8%
lift-*.f32N/A
pow2N/A
lift-pow.f3272.8
lift-*.f32N/A
pow2N/A
lift-pow.f3272.8
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
+-commutativeN/A
lower-+.f3272.8
lift-*.f32N/A
pow2N/A
lift-pow.f3272.8
Applied rewrites72.8%
Final simplification72.8%
(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 (+ (pow t_1 2.0) (pow (* (floor w) dY.u) 2.0)))
(t_3 (+ (pow (* (floor w) dX.u) 2.0) (pow t_0 2.0)))
(t_4 (sqrt (fmax t_3 t_2))))
(if (>= t_3 t_2) (* t_0 (/ 1.0 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(h) * dY_46_v;
float t_2 = powf(t_1, 2.0f) + powf((floorf(w) * dY_46_u), 2.0f);
float t_3 = powf((floorf(w) * dX_46_u), 2.0f) + powf(t_0, 2.0f);
float t_4 = sqrtf(fmaxf(t_3, t_2));
float tmp;
if (t_3 >= t_2) {
tmp = t_0 * (1.0f / 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(h) * dY_46_v) t_2 = Float32((t_1 ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))) t_3 = Float32((Float32(floor(w) * dX_46_u) ^ 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(t_0 * Float32(Float32(1.0) / t_4)); else tmp = Float32(Float32(-Float32(t_1 / 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(h) * dY_46_v; t_2 = (t_1 ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0)); t_3 = ((floor(w) * dX_46_u) ^ 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 = t_0 * (single(1.0) / 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 h\right\rfloor \cdot dY.v\\
t_2 := {t\_1}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_3 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {t\_0}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_3, t\_2\right)}\\
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;t\_0 \cdot \frac{1}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{-\frac{t\_1}{-1}}{t\_4}\\
\end{array}
\end{array}
Initial program 72.7%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
frac-2negN/A
Applied rewrites72.8%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
lower-*.f32N/A
lower-pow.f32N/A
pow2N/A
lower-*.f3272.8
Applied rewrites72.8%
lift-*.f32N/A
pow2N/A
lift-pow.f3272.8
lift-*.f32N/A
pow2N/A
lift-pow.f3272.8
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lift-pow.f32N/A
+-commutativeN/A
lower-+.f3272.8
lift-*.f32N/A
pow2N/A
lift-pow.f3272.8
Applied rewrites72.8%
lift-*.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
pow2N/A
unpow-prod-downN/A
lift-*.f32N/A
lift-pow.f3272.8
lift-*.f32N/A
pow2N/A
lift-pow.f3272.8
lift-*.f32N/A
pow2N/A
lift-pow.f3272.8
Applied rewrites72.8%
Final simplification72.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* t_0 t_0))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dX.v))
(t_4 (* t_3 t_3))
(t_5 (* (floor h) dY.v))
(t_6 (pow t_2 2.0))
(t_7 (* t_5 t_5))
(t_8 (+ (* t_2 t_2) t_7))
(t_9 (* t_3 (/ 1.0 (sqrt (fmax (+ t_4 t_1) t_8))))))
(if (<= dX.u 0.47999998927116394)
(if (>= (pow t_3 2.0) (+ (pow t_5 2.0) t_6))
t_9
(*
t_5
(/
1.0
(sqrt (fmax (+ t_4 (* (floor w) (* (floor w) (* dX.u dX.u)))) t_8)))))
(if (>= (* (pow (floor w) 2.0) (* dX.u dX.u)) (+ t_6 t_7))
t_9
(* t_5 (/ 1.0 (sqrt (fmax (+ t_1 (exp (* 2.0 (log t_3)))) t_8))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = t_0 * t_0;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dX_46_v;
float t_4 = t_3 * t_3;
float t_5 = floorf(h) * dY_46_v;
float t_6 = powf(t_2, 2.0f);
float t_7 = t_5 * t_5;
float t_8 = (t_2 * t_2) + t_7;
float t_9 = t_3 * (1.0f / sqrtf(fmaxf((t_4 + t_1), t_8)));
float tmp_1;
if (dX_46_u <= 0.47999998927116394f) {
float tmp_2;
if (powf(t_3, 2.0f) >= (powf(t_5, 2.0f) + t_6)) {
tmp_2 = t_9;
} else {
tmp_2 = t_5 * (1.0f / sqrtf(fmaxf((t_4 + (floorf(w) * (floorf(w) * (dX_46_u * dX_46_u)))), t_8)));
}
tmp_1 = tmp_2;
} else if ((powf(floorf(w), 2.0f) * (dX_46_u * dX_46_u)) >= (t_6 + t_7)) {
tmp_1 = t_9;
} else {
tmp_1 = t_5 * (1.0f / sqrtf(fmaxf((t_1 + expf((2.0f * logf(t_3)))), t_8)));
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(t_0 * t_0) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(t_3 * t_3) t_5 = Float32(floor(h) * dY_46_v) t_6 = t_2 ^ Float32(2.0) t_7 = Float32(t_5 * t_5) t_8 = Float32(Float32(t_2 * t_2) + t_7) t_9 = Float32(t_3 * Float32(Float32(1.0) / sqrt(((Float32(t_4 + t_1) != Float32(t_4 + t_1)) ? t_8 : ((t_8 != t_8) ? Float32(t_4 + t_1) : max(Float32(t_4 + t_1), t_8)))))) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(0.47999998927116394)) tmp_2 = Float32(0.0) if ((t_3 ^ Float32(2.0)) >= Float32((t_5 ^ Float32(2.0)) + t_6)) tmp_2 = t_9; else tmp_2 = Float32(t_5 * 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))))) ? t_8 : ((t_8 != t_8) ? 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)))), t_8)))))); end tmp_1 = tmp_2; elseif (Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) >= Float32(t_6 + t_7)) tmp_1 = t_9; else tmp_1 = Float32(t_5 * Float32(Float32(1.0) / sqrt(((Float32(t_1 + exp(Float32(Float32(2.0) * log(t_3)))) != Float32(t_1 + exp(Float32(Float32(2.0) * log(t_3))))) ? t_8 : ((t_8 != t_8) ? Float32(t_1 + exp(Float32(Float32(2.0) * log(t_3)))) : max(Float32(t_1 + exp(Float32(Float32(2.0) * log(t_3)))), t_8)))))); end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = t_0 * t_0; t_2 = floor(w) * dY_46_u; t_3 = floor(h) * dX_46_v; t_4 = t_3 * t_3; t_5 = floor(h) * dY_46_v; t_6 = t_2 ^ single(2.0); t_7 = t_5 * t_5; t_8 = (t_2 * t_2) + t_7; t_9 = t_3 * (single(1.0) / sqrt(max((t_4 + t_1), t_8))); tmp_2 = single(0.0); if (dX_46_u <= single(0.47999998927116394)) tmp_3 = single(0.0); if ((t_3 ^ single(2.0)) >= ((t_5 ^ single(2.0)) + t_6)) tmp_3 = t_9; else tmp_3 = t_5 * (single(1.0) / sqrt(max((t_4 + (floor(w) * (floor(w) * (dX_46_u * dX_46_u)))), t_8))); end tmp_2 = tmp_3; elseif (((floor(w) ^ single(2.0)) * (dX_46_u * dX_46_u)) >= (t_6 + t_7)) tmp_2 = t_9; else tmp_2 = t_5 * (single(1.0) / sqrt(max((t_1 + exp((single(2.0) * log(t_3)))), t_8))); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := t\_0 \cdot t\_0\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := t\_3 \cdot t\_3\\
t_5 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_6 := {t\_2}^{2}\\
t_7 := t\_5 \cdot t\_5\\
t_8 := t\_2 \cdot t\_2 + t\_7\\
t_9 := t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_4 + t\_1, t\_8\right)}}\\
\mathbf{if}\;dX.u \leq 0.47999998927116394:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_3}^{2} \geq {t\_5}^{2} + t\_6:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_5 \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), t\_8\right)}}\\
\end{array}\\
\mathbf{elif}\;{\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dX.u \cdot dX.u\right) \geq t\_6 + t\_7:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_5 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_1 + e^{2 \cdot \log t\_3}, t\_8\right)}}\\
\end{array}
\end{array}
if dX.u < 0.479999989Initial program 74.3%
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.f3267.7
Applied rewrites67.7%
lift-*.f32N/A
pow2N/A
lift-pow.f3267.7
Applied rewrites67.7%
lift-+.f32N/A
+-commutativeN/A
lower-+.f32N/A
Applied rewrites67.7%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
lift-*.f32N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f3267.7
Applied rewrites67.7%
if 0.479999989 < dX.u Initial program 68.3%
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.f3249.2
Applied rewrites49.2%
lift-*.f32N/A
pow2N/A
lift-pow.f3249.2
Applied rewrites49.2%
lift-*.f32N/A
pow2N/A
pow-to-expN/A
lift-log.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-exp.f3248.9
Applied rewrites48.9%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3264.7
Applied rewrites64.7%
Final simplification66.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dX.v))
(t_3 (* t_2 t_2))
(t_4 (* (floor h) dY.v))
(t_5 (+ (pow t_4 2.0) (pow t_1 2.0)))
(t_6 (+ (* t_1 t_1) (* t_4 t_4)))
(t_7 (/ 1.0 (sqrt (fmax (+ t_3 (* t_0 t_0)) t_6))))
(t_8 (* t_2 t_7)))
(if (<= dX.u 0.47999998927116394)
(if (>= (pow t_2 2.0) t_5)
t_8
(*
t_4
(/
1.0
(sqrt (fmax (+ t_3 (* (floor w) (* (floor w) (* dX.u dX.u)))) t_6)))))
(if (>= (* (pow (floor w) 2.0) (* dX.u dX.u)) t_5) t_8 (* t_4 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) * dX_46_u;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dX_46_v;
float t_3 = t_2 * t_2;
float t_4 = floorf(h) * dY_46_v;
float t_5 = powf(t_4, 2.0f) + powf(t_1, 2.0f);
float t_6 = (t_1 * t_1) + (t_4 * t_4);
float t_7 = 1.0f / sqrtf(fmaxf((t_3 + (t_0 * t_0)), t_6));
float t_8 = t_2 * t_7;
float tmp_1;
if (dX_46_u <= 0.47999998927116394f) {
float tmp_2;
if (powf(t_2, 2.0f) >= t_5) {
tmp_2 = t_8;
} else {
tmp_2 = t_4 * (1.0f / sqrtf(fmaxf((t_3 + (floorf(w) * (floorf(w) * (dX_46_u * dX_46_u)))), t_6)));
}
tmp_1 = tmp_2;
} else if ((powf(floorf(w), 2.0f) * (dX_46_u * dX_46_u)) >= t_5) {
tmp_1 = t_8;
} else {
tmp_1 = t_4 * 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) * dX_46_u) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(t_2 * t_2) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) t_6 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_7 = Float32(Float32(1.0) / sqrt(((Float32(t_3 + Float32(t_0 * t_0)) != Float32(t_3 + Float32(t_0 * t_0))) ? t_6 : ((t_6 != t_6) ? Float32(t_3 + Float32(t_0 * t_0)) : max(Float32(t_3 + Float32(t_0 * t_0)), t_6))))) t_8 = Float32(t_2 * t_7) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(0.47999998927116394)) tmp_2 = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= t_5) tmp_2 = t_8; else tmp_2 = Float32(t_4 * Float32(Float32(1.0) / sqrt(((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_6 : ((t_6 != t_6) ? 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_6)))))); end tmp_1 = tmp_2; elseif (Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) >= t_5) tmp_1 = t_8; else tmp_1 = Float32(t_4 * 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) * dX_46_u; t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dX_46_v; t_3 = t_2 * t_2; t_4 = floor(h) * dY_46_v; t_5 = (t_4 ^ single(2.0)) + (t_1 ^ single(2.0)); t_6 = (t_1 * t_1) + (t_4 * t_4); t_7 = single(1.0) / sqrt(max((t_3 + (t_0 * t_0)), t_6)); t_8 = t_2 * t_7; tmp_2 = single(0.0); if (dX_46_u <= single(0.47999998927116394)) tmp_3 = single(0.0); if ((t_2 ^ single(2.0)) >= t_5) tmp_3 = t_8; else tmp_3 = t_4 * (single(1.0) / sqrt(max((t_3 + (floor(w) * (floor(w) * (dX_46_u * dX_46_u)))), t_6))); end tmp_2 = tmp_3; elseif (((floor(w) ^ single(2.0)) * (dX_46_u * dX_46_u)) >= t_5) tmp_2 = t_8; else tmp_2 = t_4 * t_7; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := t\_2 \cdot t\_2\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := {t\_4}^{2} + {t\_1}^{2}\\
t_6 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3 + t\_0 \cdot t\_0, t\_6\right)}}\\
t_8 := t\_2 \cdot t\_7\\
\mathbf{if}\;dX.u \leq 0.47999998927116394:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_2}^{2} \geq t\_5:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_4 \cdot \frac{1}{\sqrt{\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\_6\right)}}\\
\end{array}\\
\mathbf{elif}\;{\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dX.u \cdot dX.u\right) \geq t\_5:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_4 \cdot t\_7\\
\end{array}
\end{array}
if dX.u < 0.479999989Initial program 74.3%
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.f3267.7
Applied rewrites67.7%
lift-*.f32N/A
pow2N/A
lift-pow.f3267.7
Applied rewrites67.7%
lift-+.f32N/A
+-commutativeN/A
lower-+.f32N/A
Applied rewrites67.7%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
lift-*.f32N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f3267.7
Applied rewrites67.7%
if 0.479999989 < dX.u Initial program 68.3%
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.f3249.2
Applied rewrites49.2%
lift-*.f32N/A
pow2N/A
lift-pow.f3249.2
Applied rewrites49.2%
lift-+.f32N/A
+-commutativeN/A
lower-+.f32N/A
Applied rewrites49.2%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3263.4
Applied rewrites63.4%
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 w) dY.u))
(t_2 (+ (* t_1 t_1) (* t_0 t_0)))
(t_3 (* (floor h) dX.v))
(t_4 (* t_3 t_3))
(t_5 (* (floor w) dX.u)))
(if (>= (pow t_3 2.0) (+ (pow t_0 2.0) (pow t_1 2.0)))
(*
t_3
(/ 1.0 (sqrt (fmax (+ (* (pow (floor w) 2.0) (* dX.u dX.u)) t_4) t_2))))
(* t_0 (/ 1.0 (sqrt (fmax (+ t_4 (* t_5 t_5)) t_2)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = (t_1 * t_1) + (t_0 * t_0);
float t_3 = floorf(h) * dX_46_v;
float t_4 = t_3 * t_3;
float t_5 = floorf(w) * dX_46_u;
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(((powf(floorf(w), 2.0f) * (dX_46_u * dX_46_u)) + t_4), t_2)));
} else {
tmp = t_0 * (1.0f / sqrtf(fmaxf((t_4 + (t_5 * t_5)), t_2)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0)) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(t_3 * t_3) t_5 = Float32(floor(w) * dX_46_u) 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(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_4) != Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_4)) ? t_2 : ((t_2 != t_2) ? Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_4) : max(Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_4), t_2)))))); else tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((Float32(t_4 + Float32(t_5 * t_5)) != Float32(t_4 + Float32(t_5 * t_5))) ? t_2 : ((t_2 != t_2) ? Float32(t_4 + Float32(t_5 * t_5)) : max(Float32(t_4 + Float32(t_5 * t_5)), t_2)))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = floor(w) * dY_46_u; t_2 = (t_1 * t_1) + (t_0 * t_0); t_3 = floor(h) * dX_46_v; t_4 = t_3 * t_3; t_5 = floor(w) * dX_46_u; 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((((floor(w) ^ single(2.0)) * (dX_46_u * dX_46_u)) + t_4), t_2))); else tmp = t_0 * (single(1.0) / sqrt(max((t_4 + (t_5 * t_5)), t_2))); 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 w\right\rfloor \cdot dY.u\\
t_2 := t\_1 \cdot t\_1 + t\_0 \cdot t\_0\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := t\_3 \cdot t\_3\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
\mathbf{if}\;{t\_3}^{2} \geq {t\_0}^{2} + {t\_1}^{2}:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dX.u \cdot dX.u\right) + t\_4, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_4 + t\_5 \cdot t\_5, t\_2\right)}}\\
\end{array}
\end{array}
Initial program 72.7%
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.f3262.6
Applied rewrites62.6%
lift-*.f32N/A
pow2N/A
lift-pow.f3262.6
Applied rewrites62.6%
lift-+.f32N/A
+-commutativeN/A
lower-+.f32N/A
Applied rewrites62.6%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-*.f3262.6
Applied rewrites62.6%
Final simplification62.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor w) dY.u))
(t_5 (* t_1 t_1)))
(if (>= (pow t_2 2.0) (+ (pow t_1 2.0) (pow t_4 2.0)))
(* t_2 (/ 1.0 (sqrt (fmax t_3 (+ (* t_4 t_4) t_5)))))
(*
t_1
(/
1.0
(sqrt (fmax t_3 (+ t_5 (* dY.u (* dY.u (pow (floor w) 2.0)))))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(w) * dY_46_u;
float t_5 = t_1 * t_1;
float tmp;
if (powf(t_2, 2.0f) >= (powf(t_1, 2.0f) + powf(t_4, 2.0f))) {
tmp = t_2 * (1.0f / sqrtf(fmaxf(t_3, ((t_4 * t_4) + t_5))));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf(t_3, (t_5 + (dY_46_u * (dY_46_u * powf(floorf(w), 2.0f)))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(w) * dY_46_u) t_5 = Float32(t_1 * t_1) tmp = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) tmp = Float32(t_2 * Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? Float32(Float32(t_4 * t_4) + t_5) : ((Float32(Float32(t_4 * t_4) + t_5) != Float32(Float32(t_4 * t_4) + t_5)) ? t_3 : max(t_3, Float32(Float32(t_4 * t_4) + t_5))))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? Float32(t_5 + Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0))))) : ((Float32(t_5 + Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0))))) != Float32(t_5 + Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0)))))) ? t_3 : max(t_3, Float32(t_5 + Float32(dY_46_u * Float32(dY_46_u * (floor(w) ^ Float32(2.0))))))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(w) * dY_46_u; t_5 = t_1 * t_1; tmp = single(0.0); if ((t_2 ^ single(2.0)) >= ((t_1 ^ single(2.0)) + (t_4 ^ single(2.0)))) tmp = t_2 * (single(1.0) / sqrt(max(t_3, ((t_4 * t_4) + t_5)))); else tmp = t_1 * (single(1.0) / sqrt(max(t_3, (t_5 + (dY_46_u * (dY_46_u * (floor(w) ^ single(2.0)))))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := t\_1 \cdot t\_1\\
\mathbf{if}\;{t\_2}^{2} \geq {t\_1}^{2} + {t\_4}^{2}:\\
\;\;\;\;t\_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_4 \cdot t\_4 + t\_5\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5 + dY.u \cdot \left(dY.u \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2}\right)\right)}}\\
\end{array}
\end{array}
Initial program 72.7%
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.f3262.6
Applied rewrites62.6%
lift-*.f32N/A
pow2N/A
lift-pow.f3262.6
Applied rewrites62.6%
lift-+.f32N/A
+-commutativeN/A
lower-+.f32N/A
Applied rewrites62.6%
lift-*.f32N/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
lower-*.f3262.6
Applied rewrites62.6%
Final simplification62.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (+ (* t_2 t_2) (* t_1 t_1)))
(t_4 (* (floor h) dX.v))
(t_5 (* t_4 t_4)))
(if (>= (pow t_4 2.0) (+ (pow t_1 2.0) (pow t_2 2.0)))
(* t_4 (/ 1.0 (sqrt (fmax (+ t_5 (* t_0 t_0)) t_3))))
(*
t_1
(/
1.0
(sqrt (fmax (+ t_5 (* (floor w) (* (floor w) (* dX.u dX.u)))) t_3)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = (t_2 * t_2) + (t_1 * t_1);
float t_4 = floorf(h) * dX_46_v;
float t_5 = t_4 * t_4;
float tmp;
if (powf(t_4, 2.0f) >= (powf(t_1, 2.0f) + powf(t_2, 2.0f))) {
tmp = t_4 * (1.0f / sqrtf(fmaxf((t_5 + (t_0 * t_0)), t_3)));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf((t_5 + (floorf(w) * (floorf(w) * (dX_46_u * dX_46_u)))), t_3)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) t_4 = Float32(floor(h) * dX_46_v) t_5 = Float32(t_4 * t_4) tmp = Float32(0.0) if ((t_4 ^ Float32(2.0)) >= Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) tmp = Float32(t_4 * Float32(Float32(1.0) / sqrt(((Float32(t_5 + Float32(t_0 * t_0)) != Float32(t_5 + Float32(t_0 * t_0))) ? t_3 : ((t_3 != t_3) ? Float32(t_5 + Float32(t_0 * t_0)) : max(Float32(t_5 + Float32(t_0 * t_0)), t_3)))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((Float32(t_5 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))) != Float32(t_5 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))))) ? t_3 : ((t_3 != t_3) ? Float32(t_5 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))) : max(Float32(t_5 + Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u)))), t_3)))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = (t_2 * t_2) + (t_1 * t_1); t_4 = floor(h) * dX_46_v; t_5 = t_4 * t_4; tmp = single(0.0); if ((t_4 ^ single(2.0)) >= ((t_1 ^ single(2.0)) + (t_2 ^ single(2.0)))) tmp = t_4 * (single(1.0) / sqrt(max((t_5 + (t_0 * t_0)), t_3))); else tmp = t_1 * (single(1.0) / sqrt(max((t_5 + (floor(w) * (floor(w) * (dX_46_u * dX_46_u)))), t_3))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := t\_2 \cdot t\_2 + t\_1 \cdot t\_1\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := t\_4 \cdot t\_4\\
\mathbf{if}\;{t\_4}^{2} \geq {t\_1}^{2} + {t\_2}^{2}:\\
\;\;\;\;t\_4 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5 + t\_0 \cdot t\_0, t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5 + \left\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\right), t\_3\right)}}\\
\end{array}
\end{array}
Initial program 72.7%
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.f3262.6
Applied rewrites62.6%
lift-*.f32N/A
pow2N/A
lift-pow.f3262.6
Applied rewrites62.6%
lift-+.f32N/A
+-commutativeN/A
lower-+.f32N/A
Applied rewrites62.6%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
lift-*.f32N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f3262.6
Applied rewrites62.6%
Final simplification62.6%
herbie shell --seed 2024237
(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))))