
(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(fmax(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(fmax(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.v (floor h)))
(t_1 (* (floor h) dX.v))
(t_2 (pow (floor w) 2.0))
(t_3 (* -1.0 (* (floor w) dX.u)))
(t_4 (* (floor h) dY.v))
(t_5 (* -1.0 (* (floor w) dY.u)))
(t_6 (pow (floor h) 2.0)))
(if (>= (+ (* t_3 t_3) (* t_1 t_1)) (+ (* t_5 t_5) (* t_4 t_4)))
(/
(* t_0 -1.0)
(*
(sqrt
(fmax
(- (pow t_0 2.0) (* (* (* t_2 dX.u) dX.u) -1.0))
(- (* (* t_2 dY.u) dY.u) (* -1.0 (pow (* dY.v (floor h)) 2.0)))))
-1.0))
(*
(*
(pow
(fmax
(- (* (* t_6 dX.v) dX.v) (* (* -1.0 (* dX.u t_2)) dX.u))
(- (* (* t_6 dY.v) dY.v) (* (* -1.0 (* dY.u t_2)) dY.u)))
-0.5)
dY.v)
(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 = floorf(h) * dX_46_v;
float t_2 = powf(floorf(w), 2.0f);
float t_3 = -1.0f * (floorf(w) * dX_46_u);
float t_4 = floorf(h) * dY_46_v;
float t_5 = -1.0f * (floorf(w) * dY_46_u);
float t_6 = powf(floorf(h), 2.0f);
float tmp;
if (((t_3 * t_3) + (t_1 * t_1)) >= ((t_5 * t_5) + (t_4 * t_4))) {
tmp = (t_0 * -1.0f) / (sqrtf(fmaxf((powf(t_0, 2.0f) - (((t_2 * dX_46_u) * dX_46_u) * -1.0f)), (((t_2 * dY_46_u) * dY_46_u) - (-1.0f * powf((dY_46_v * floorf(h)), 2.0f))))) * -1.0f);
} else {
tmp = (powf(fmaxf((((t_6 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_2)) * dX_46_u)), (((t_6 * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_2)) * dY_46_u))), -0.5f) * dY_46_v) * 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(floor(h) * dX_46_v) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(Float32(-1.0) * Float32(floor(w) * dX_46_u)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(-1.0) * Float32(floor(w) * dY_46_u)) t_6 = floor(h) ^ Float32(2.0) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) >= Float32(Float32(t_5 * t_5) + Float32(t_4 * t_4))) tmp = Float32(Float32(t_0 * Float32(-1.0)) / Float32(sqrt(fmax(Float32((t_0 ^ Float32(2.0)) - Float32(Float32(Float32(t_2 * dX_46_u) * dX_46_u) * Float32(-1.0))), Float32(Float32(Float32(t_2 * dY_46_u) * dY_46_u) - Float32(Float32(-1.0) * (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))))) * Float32(-1.0))); else tmp = Float32(Float32((fmax(Float32(Float32(Float32(t_6 * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_2)) * dX_46_u)), Float32(Float32(Float32(t_6 * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_2)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_v) * 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 = floor(h) * dX_46_v; t_2 = floor(w) ^ single(2.0); t_3 = single(-1.0) * (floor(w) * dX_46_u); t_4 = floor(h) * dY_46_v; t_5 = single(-1.0) * (floor(w) * dY_46_u); t_6 = floor(h) ^ single(2.0); tmp = single(0.0); if (((t_3 * t_3) + (t_1 * t_1)) >= ((t_5 * t_5) + (t_4 * t_4))) tmp = (t_0 * single(-1.0)) / (sqrt(max(((t_0 ^ single(2.0)) - (((t_2 * dX_46_u) * dX_46_u) * single(-1.0))), (((t_2 * dY_46_u) * dY_46_u) - (single(-1.0) * ((dY_46_v * floor(h)) ^ single(2.0)))))) * single(-1.0)); else tmp = ((max((((t_6 * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_2)) * dX_46_u)), (((t_6 * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_2)) * dY_46_u))) ^ single(-0.5)) * dY_46_v) * 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\lfloor h\right\rfloor \cdot dX.v\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\\
t_6 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_3 \cdot t\_3 + t\_1 \cdot t\_1 \geq t\_5 \cdot t\_5 + t\_4 \cdot t\_4:\\
\;\;\;\;\frac{t\_0 \cdot -1}{\sqrt{\mathsf{max}\left({t\_0}^{2} - \left(\left(t\_2 \cdot dX.u\right) \cdot dX.u\right) \cdot -1, \left(t\_2 \cdot dY.u\right) \cdot dY.u - -1 \cdot {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)} \cdot -1}\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\mathsf{max}\left(\left(t\_6 \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_2\right)\right) \cdot dX.u, \left(t\_6 \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_2\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \\
\end{array}
\end{array}
Initial program 77.6%
Applied rewrites77.7%
Applied rewrites77.8%
Final simplification77.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* (floor h) dX.v))
(t_2 (* -1.0 (* (floor w) dX.u)))
(t_3 (* -1.0 (* (floor w) dY.u)))
(t_4 (pow (floor w) 2.0))
(t_5 (* (* t_4 dX.u) dX.u))
(t_6 (pow (floor h) 2.0))
(t_7 (* (floor h) dY.v))
(t_8 (* (* (floor w) -1.0) dY.u)))
(if (>= (+ (* t_2 t_2) (* t_1 t_1)) (+ (* t_3 t_3) (* t_7 t_7)))
(/
(* t_0 -1.0)
(*
(sqrt
(fmax
(- (pow t_0 2.0) (* t_5 -1.0))
(- (* (* t_4 dY.u) dY.u) (* -1.0 (pow (* dY.v (floor h)) 2.0)))))
-1.0))
(*
(*
(pow
(/
1.0
(fmax
(fma t_5 1.0 (* (* t_6 dX.v) dX.v))
(fma t_8 t_8 (* (* t_6 dY.v) dY.v))))
0.5)
dY.v)
(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 = floorf(h) * dX_46_v;
float t_2 = -1.0f * (floorf(w) * dX_46_u);
float t_3 = -1.0f * (floorf(w) * dY_46_u);
float t_4 = powf(floorf(w), 2.0f);
float t_5 = (t_4 * dX_46_u) * dX_46_u;
float t_6 = powf(floorf(h), 2.0f);
float t_7 = floorf(h) * dY_46_v;
float t_8 = (floorf(w) * -1.0f) * dY_46_u;
float tmp;
if (((t_2 * t_2) + (t_1 * t_1)) >= ((t_3 * t_3) + (t_7 * t_7))) {
tmp = (t_0 * -1.0f) / (sqrtf(fmaxf((powf(t_0, 2.0f) - (t_5 * -1.0f)), (((t_4 * dY_46_u) * dY_46_u) - (-1.0f * powf((dY_46_v * floorf(h)), 2.0f))))) * -1.0f);
} else {
tmp = (powf((1.0f / fmaxf(fmaf(t_5, 1.0f, ((t_6 * dX_46_v) * dX_46_v)), fmaf(t_8, t_8, ((t_6 * dY_46_v) * dY_46_v)))), 0.5f) * dY_46_v) * 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(floor(h) * dX_46_v) t_2 = Float32(Float32(-1.0) * Float32(floor(w) * dX_46_u)) t_3 = Float32(Float32(-1.0) * Float32(floor(w) * dY_46_u)) t_4 = floor(w) ^ Float32(2.0) t_5 = Float32(Float32(t_4 * dX_46_u) * dX_46_u) t_6 = floor(h) ^ Float32(2.0) t_7 = Float32(floor(h) * dY_46_v) t_8 = Float32(Float32(floor(w) * Float32(-1.0)) * dY_46_u) tmp = Float32(0.0) if (Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) >= Float32(Float32(t_3 * t_3) + Float32(t_7 * t_7))) tmp = Float32(Float32(t_0 * Float32(-1.0)) / Float32(sqrt(fmax(Float32((t_0 ^ Float32(2.0)) - Float32(t_5 * Float32(-1.0))), Float32(Float32(Float32(t_4 * dY_46_u) * dY_46_u) - Float32(Float32(-1.0) * (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))))) * Float32(-1.0))); else tmp = Float32(Float32((Float32(Float32(1.0) / fmax(fma(t_5, Float32(1.0), Float32(Float32(t_6 * dX_46_v) * dX_46_v)), fma(t_8, t_8, Float32(Float32(t_6 * dY_46_v) * dY_46_v)))) ^ Float32(0.5)) * dY_46_v) * floor(h)); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_2 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
t_3 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := \left(t\_4 \cdot dX.u\right) \cdot dX.u\\
t_6 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_7 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_8 := \left(\left\lfloor w\right\rfloor \cdot -1\right) \cdot dY.u\\
\mathbf{if}\;t\_2 \cdot t\_2 + t\_1 \cdot t\_1 \geq t\_3 \cdot t\_3 + t\_7 \cdot t\_7:\\
\;\;\;\;\frac{t\_0 \cdot -1}{\sqrt{\mathsf{max}\left({t\_0}^{2} - t\_5 \cdot -1, \left(t\_4 \cdot dY.u\right) \cdot dY.u - -1 \cdot {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)} \cdot -1}\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\frac{1}{\mathsf{max}\left(\mathsf{fma}\left(t\_5, 1, \left(t\_6 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_8, t\_8, \left(t\_6 \cdot dY.v\right) \cdot dY.v\right)\right)}\right)}^{0.5} \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \\
\end{array}
\end{array}
Initial program 77.6%
Applied rewrites77.7%
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 w) -1.0) dY.u))
(t_1 (* -1.0 (* (floor w) dY.u)))
(t_2 (pow (floor w) 2.0))
(t_3 (* -1.0 (* (floor w) dX.u)))
(t_4 (pow (floor h) 2.0))
(t_5 (* (floor h) dX.v))
(t_6 (* (* t_4 dY.v) dY.v))
(t_7 (* (floor h) dY.v))
(t_8 (* (* t_4 dX.v) dX.v)))
(if (>= (+ (* t_3 t_3) (* t_5 t_5)) (+ (* t_1 t_1) (* t_7 t_7)))
(*
(* -1.0 (/ (* -1.0 dX.v) -1.0))
(/
(* -1.0 (floor h))
(sqrt (fmax (fma (* (* t_2 dX.u) dX.u) 1.0 t_8) (fma t_0 t_0 t_6)))))
(*
(*
(pow
(fmax
(- t_8 (* (* -1.0 (* dX.u t_2)) dX.u))
(- t_6 (* (* -1.0 (* dY.u t_2)) dY.u)))
-0.5)
dY.v)
(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 = (floorf(w) * -1.0f) * dY_46_u;
float t_1 = -1.0f * (floorf(w) * dY_46_u);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = -1.0f * (floorf(w) * dX_46_u);
float t_4 = powf(floorf(h), 2.0f);
float t_5 = floorf(h) * dX_46_v;
float t_6 = (t_4 * dY_46_v) * dY_46_v;
float t_7 = floorf(h) * dY_46_v;
float t_8 = (t_4 * dX_46_v) * dX_46_v;
float tmp;
if (((t_3 * t_3) + (t_5 * t_5)) >= ((t_1 * t_1) + (t_7 * t_7))) {
tmp = (-1.0f * ((-1.0f * dX_46_v) / -1.0f)) * ((-1.0f * floorf(h)) / sqrtf(fmaxf(fmaf(((t_2 * dX_46_u) * dX_46_u), 1.0f, t_8), fmaf(t_0, t_0, t_6))));
} else {
tmp = (powf(fmaxf((t_8 - ((-1.0f * (dX_46_u * t_2)) * dX_46_u)), (t_6 - ((-1.0f * (dY_46_u * t_2)) * dY_46_u))), -0.5f) * dY_46_v) * floorf(h);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(Float32(floor(w) * Float32(-1.0)) * dY_46_u) t_1 = Float32(Float32(-1.0) * Float32(floor(w) * dY_46_u)) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(Float32(-1.0) * Float32(floor(w) * dX_46_u)) t_4 = floor(h) ^ Float32(2.0) t_5 = Float32(floor(h) * dX_46_v) t_6 = Float32(Float32(t_4 * dY_46_v) * dY_46_v) t_7 = Float32(floor(h) * dY_46_v) t_8 = Float32(Float32(t_4 * dX_46_v) * dX_46_v) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) >= Float32(Float32(t_1 * t_1) + Float32(t_7 * t_7))) tmp = Float32(Float32(Float32(-1.0) * Float32(Float32(Float32(-1.0) * dX_46_v) / Float32(-1.0))) * Float32(Float32(Float32(-1.0) * floor(h)) / sqrt(fmax(fma(Float32(Float32(t_2 * dX_46_u) * dX_46_u), Float32(1.0), t_8), fma(t_0, t_0, t_6))))); else tmp = Float32(Float32((fmax(Float32(t_8 - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_2)) * dX_46_u)), Float32(t_6 - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_2)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_v) * floor(h)); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\left\lfloor w\right\rfloor \cdot -1\right) \cdot dY.u\\
t_1 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := \left(t\_4 \cdot dY.v\right) \cdot dY.v\\
t_7 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_8 := \left(t\_4 \cdot dX.v\right) \cdot dX.v\\
\mathbf{if}\;t\_3 \cdot t\_3 + t\_5 \cdot t\_5 \geq t\_1 \cdot t\_1 + t\_7 \cdot t\_7:\\
\;\;\;\;\left(-1 \cdot \frac{-1 \cdot dX.v}{-1}\right) \cdot \frac{-1 \cdot \left\lfloor h\right\rfloor }{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left(t\_2 \cdot dX.u\right) \cdot dX.u, 1, t\_8\right), \mathsf{fma}\left(t\_0, t\_0, t\_6\right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\mathsf{max}\left(t\_8 - \left(-1 \cdot \left(dX.u \cdot t\_2\right)\right) \cdot dX.u, t\_6 - \left(-1 \cdot \left(dY.u \cdot t\_2\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \\
\end{array}
\end{array}
Initial program 77.6%
Applied rewrites77.7%
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 (* -1.0 (* (floor w) dY.u)))
(t_2 (pow (floor h) 2.0))
(t_3 (* -1.0 (* (floor w) dX.u)))
(t_4 (+ (* t_3 t_3) (* t_0 t_0)))
(t_5 (* (floor h) dY.v))
(t_6 (+ (* t_1 t_1) (* t_5 t_5)))
(t_7 (pow (floor w) 2.0)))
(if (>= t_4 t_6)
(* (/ 1.0 (sqrt (fmax t_4 t_6))) t_0)
(*
(*
(pow
(fmax
(- (* (* t_2 dX.v) dX.v) (* (* -1.0 (* dX.u t_7)) dX.u))
(- (* (* t_2 dY.v) dY.v) (* (* -1.0 (* dY.u t_7)) dY.u)))
-0.5)
dY.v)
(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 = floorf(h) * dX_46_v;
float t_1 = -1.0f * (floorf(w) * dY_46_u);
float t_2 = powf(floorf(h), 2.0f);
float t_3 = -1.0f * (floorf(w) * dX_46_u);
float t_4 = (t_3 * t_3) + (t_0 * t_0);
float t_5 = floorf(h) * dY_46_v;
float t_6 = (t_1 * t_1) + (t_5 * t_5);
float t_7 = powf(floorf(w), 2.0f);
float tmp;
if (t_4 >= t_6) {
tmp = (1.0f / sqrtf(fmaxf(t_4, t_6))) * t_0;
} else {
tmp = (powf(fmaxf((((t_2 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_7)) * dX_46_u)), (((t_2 * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_7)) * dY_46_u))), -0.5f) * dY_46_v) * floorf(h);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(Float32(-1.0) * Float32(floor(w) * dY_46_u)) t_2 = floor(h) ^ Float32(2.0) t_3 = Float32(Float32(-1.0) * Float32(floor(w) * dX_46_u)) t_4 = Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) t_5 = Float32(floor(h) * dY_46_v) t_6 = Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5)) t_7 = floor(w) ^ Float32(2.0) tmp = Float32(0.0) if (t_4 >= t_6) tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_4, t_6))) * t_0); else tmp = Float32(Float32((fmax(Float32(Float32(Float32(t_2 * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_7)) * dX_46_u)), Float32(Float32(Float32(t_2 * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_7)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_v) * 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 = floor(h) * dX_46_v; t_1 = single(-1.0) * (floor(w) * dY_46_u); t_2 = floor(h) ^ single(2.0); t_3 = single(-1.0) * (floor(w) * dX_46_u); t_4 = (t_3 * t_3) + (t_0 * t_0); t_5 = floor(h) * dY_46_v; t_6 = (t_1 * t_1) + (t_5 * t_5); t_7 = floor(w) ^ single(2.0); tmp = single(0.0); if (t_4 >= t_6) tmp = (single(1.0) / sqrt(max(t_4, t_6))) * t_0; else tmp = ((max((((t_2 * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_7)) * dX_46_u)), (((t_2 * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_7)) * dY_46_u))) ^ single(-0.5)) * dY_46_v) * floor(h); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
t_4 := t\_3 \cdot t\_3 + t\_0 \cdot t\_0\\
t_5 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_6 := t\_1 \cdot t\_1 + t\_5 \cdot t\_5\\
t_7 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_4 \geq t\_6:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_4, t\_6\right)}} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\mathsf{max}\left(\left(t\_2 \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_7\right)\right) \cdot dX.u, \left(t\_2 \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_7\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \\
\end{array}
\end{array}
Initial program 77.6%
Applied rewrites77.7%
Final simplification77.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* -1.0 (* (floor w) dY.u)))
(t_2 (* -1.0 (* (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 (pow (floor w) 2.0)))
(if (>= t_3 t_5)
(* (/ 1.0 (sqrt (fmax t_3 t_5))) t_0)
(*
dY.v
(/
(floor h)
(sqrt
(fmax
(- (pow (* dX.v (floor h)) 2.0) (* (* (* t_6 dX.u) dX.u) -1.0))
(- (* (* t_6 dY.u) dY.u) (* -1.0 (pow (* dY.v (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 = -1.0f * (floorf(w) * dY_46_u);
float t_2 = -1.0f * (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 = powf(floorf(w), 2.0f);
float tmp;
if (t_3 >= t_5) {
tmp = (1.0f / sqrtf(fmaxf(t_3, t_5))) * t_0;
} else {
tmp = dY_46_v * (floorf(h) / sqrtf(fmaxf((powf((dX_46_v * floorf(h)), 2.0f) - (((t_6 * dX_46_u) * dX_46_u) * -1.0f)), (((t_6 * dY_46_u) * dY_46_u) - (-1.0f * powf((dY_46_v * 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(Float32(-1.0) * Float32(floor(w) * dY_46_u)) t_2 = Float32(Float32(-1.0) * 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 = floor(w) ^ Float32(2.0) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_3, t_5))) * t_0); else tmp = Float32(dY_46_v * Float32(floor(h) / sqrt(fmax(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) - Float32(Float32(Float32(t_6 * dX_46_u) * dX_46_u) * Float32(-1.0))), Float32(Float32(Float32(t_6 * dY_46_u) * dY_46_u) - Float32(Float32(-1.0) * (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 = single(-1.0) * (floor(w) * dY_46_u); t_2 = single(-1.0) * (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 = floor(w) ^ single(2.0); tmp = single(0.0); if (t_3 >= t_5) tmp = (single(1.0) / sqrt(max(t_3, t_5))) * t_0; else tmp = dY_46_v * (floor(h) / sqrt(max((((dX_46_v * floor(h)) ^ single(2.0)) - (((t_6 * dX_46_u) * dX_46_u) * single(-1.0))), (((t_6 * dY_46_u) * dY_46_u) - (single(-1.0) * ((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 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\\
t_2 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
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 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloor h\right\rfloor }{\sqrt{\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} - \left(\left(t\_6 \cdot dX.u\right) \cdot dX.u\right) \cdot -1, \left(t\_6 \cdot dY.u\right) \cdot dY.u - -1 \cdot {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}}\\
\end{array}
\end{array}
Initial program 77.6%
Applied rewrites77.7%
Applied rewrites77.7%
Final simplification77.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (pow (floor w) 2.0))
(t_2 (* -1.0 (* (floor w) dX.u)))
(t_3 (* (floor h) dY.v))
(t_4 (* -1.0 (* (floor w) dY.u)))
(t_5 (pow (floor h) 2.0)))
(if (>= (+ (* t_2 t_2) (* t_0 t_0)) (+ (* t_4 t_4) (* t_3 t_3)))
(*
(*
(pow
(fmax
(- (pow (* dX.v (floor h)) 2.0) (* (* (* t_1 dX.u) dX.u) -1.0))
(- (* (* t_1 dY.u) dY.u) (* -1.0 (pow (* dY.v (floor h)) 2.0))))
-0.5)
(floor h))
dX.v)
(*
(*
(pow
(fmax
(- (* (* t_5 dX.v) dX.v) (* (* -1.0 (* dX.u t_1)) dX.u))
(- (* (* t_5 dY.v) dY.v) (* (* -1.0 (* dY.u t_1)) dY.u)))
-0.5)
dY.v)
(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 = floorf(h) * dX_46_v;
float t_1 = powf(floorf(w), 2.0f);
float t_2 = -1.0f * (floorf(w) * dX_46_u);
float t_3 = floorf(h) * dY_46_v;
float t_4 = -1.0f * (floorf(w) * dY_46_u);
float t_5 = powf(floorf(h), 2.0f);
float tmp;
if (((t_2 * t_2) + (t_0 * t_0)) >= ((t_4 * t_4) + (t_3 * t_3))) {
tmp = (powf(fmaxf((powf((dX_46_v * floorf(h)), 2.0f) - (((t_1 * dX_46_u) * dX_46_u) * -1.0f)), (((t_1 * dY_46_u) * dY_46_u) - (-1.0f * powf((dY_46_v * floorf(h)), 2.0f)))), -0.5f) * floorf(h)) * dX_46_v;
} else {
tmp = (powf(fmaxf((((t_5 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_1)) * dX_46_u)), (((t_5 * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_1)) * dY_46_u))), -0.5f) * dY_46_v) * floorf(h);
}
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 = floor(w) ^ Float32(2.0) t_2 = Float32(Float32(-1.0) * Float32(floor(w) * dX_46_u)) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(Float32(-1.0) * Float32(floor(w) * dY_46_u)) t_5 = floor(h) ^ Float32(2.0) tmp = Float32(0.0) if (Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) >= Float32(Float32(t_4 * t_4) + Float32(t_3 * t_3))) tmp = Float32(Float32((fmax(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) - Float32(Float32(Float32(t_1 * dX_46_u) * dX_46_u) * Float32(-1.0))), Float32(Float32(Float32(t_1 * dY_46_u) * dY_46_u) - Float32(Float32(-1.0) * (Float32(dY_46_v * floor(h)) ^ Float32(2.0))))) ^ Float32(-0.5)) * floor(h)) * dX_46_v); else tmp = Float32(Float32((fmax(Float32(Float32(Float32(t_5 * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_1)) * dX_46_u)), Float32(Float32(Float32(t_5 * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_1)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_v) * 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 = floor(h) * dX_46_v; t_1 = floor(w) ^ single(2.0); t_2 = single(-1.0) * (floor(w) * dX_46_u); t_3 = floor(h) * dY_46_v; t_4 = single(-1.0) * (floor(w) * dY_46_u); t_5 = floor(h) ^ single(2.0); tmp = single(0.0); if (((t_2 * t_2) + (t_0 * t_0)) >= ((t_4 * t_4) + (t_3 * t_3))) tmp = ((max((((dX_46_v * floor(h)) ^ single(2.0)) - (((t_1 * dX_46_u) * dX_46_u) * single(-1.0))), (((t_1 * dY_46_u) * dY_46_u) - (single(-1.0) * ((dY_46_v * floor(h)) ^ single(2.0))))) ^ single(-0.5)) * floor(h)) * dX_46_v; else tmp = ((max((((t_5 * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_1)) * dX_46_u)), (((t_5 * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_1)) * dY_46_u))) ^ single(-0.5)) * dY_46_v) * floor(h); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\\
t_5 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_2 \cdot t\_2 + t\_0 \cdot t\_0 \geq t\_4 \cdot t\_4 + t\_3 \cdot t\_3:\\
\;\;\;\;\left({\left(\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} - \left(\left(t\_1 \cdot dX.u\right) \cdot dX.u\right) \cdot -1, \left(t\_1 \cdot dY.u\right) \cdot dY.u - -1 \cdot {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)\right)}^{-0.5} \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\mathsf{max}\left(\left(t\_5 \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_1\right)\right) \cdot dX.u, \left(t\_5 \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_1\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \\
\end{array}
\end{array}
Initial program 77.6%
Applied rewrites77.7%
Applied rewrites77.7%
Final simplification77.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (pow (floor w) 2.0))
(t_2 (* -1.0 (* (floor w) dY.u)))
(t_3 (pow (floor h) 2.0))
(t_4 (* -1.0 (* (floor w) dX.u)))
(t_5 (* (floor h) dY.v))
(t_6 (* dY.v (floor h))))
(if (>= (+ (* t_4 t_4) (* t_0 t_0)) (+ (* t_2 t_2) (* t_5 t_5)))
(*
(floor h)
(*
dX.v
(pow
(fmax
(- (pow (* dX.v (floor h)) 2.0) (* t_1 (* (* dX.u dX.u) -1.0)))
(- (* (* t_1 dY.u) dY.u) (* -1.0 (pow t_6 2.0))))
-0.5)))
(/
(* -1.0 (* t_6 -1.0))
(sqrt
(fmax
(- (* (* t_3 dX.v) dX.v) (* (* -1.0 (* dX.u t_1)) dX.u))
(- (* (* t_3 dY.v) dY.v) (* (* -1.0 (* dY.u t_1)) dY.u))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = powf(floorf(w), 2.0f);
float t_2 = -1.0f * (floorf(w) * dY_46_u);
float t_3 = powf(floorf(h), 2.0f);
float t_4 = -1.0f * (floorf(w) * dX_46_u);
float t_5 = floorf(h) * dY_46_v;
float t_6 = dY_46_v * floorf(h);
float tmp;
if (((t_4 * t_4) + (t_0 * t_0)) >= ((t_2 * t_2) + (t_5 * t_5))) {
tmp = floorf(h) * (dX_46_v * powf(fmaxf((powf((dX_46_v * floorf(h)), 2.0f) - (t_1 * ((dX_46_u * dX_46_u) * -1.0f))), (((t_1 * dY_46_u) * dY_46_u) - (-1.0f * powf(t_6, 2.0f)))), -0.5f));
} else {
tmp = (-1.0f * (t_6 * -1.0f)) / sqrtf(fmaxf((((t_3 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_1)) * dX_46_u)), (((t_3 * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_1)) * dY_46_u))));
}
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 = floor(w) ^ Float32(2.0) t_2 = Float32(Float32(-1.0) * Float32(floor(w) * dY_46_u)) t_3 = floor(h) ^ Float32(2.0) t_4 = Float32(Float32(-1.0) * Float32(floor(w) * dX_46_u)) t_5 = Float32(floor(h) * dY_46_v) t_6 = Float32(dY_46_v * floor(h)) tmp = Float32(0.0) if (Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) >= Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5))) tmp = Float32(floor(h) * Float32(dX_46_v * (fmax(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) - Float32(t_1 * Float32(Float32(dX_46_u * dX_46_u) * Float32(-1.0)))), Float32(Float32(Float32(t_1 * dY_46_u) * dY_46_u) - Float32(Float32(-1.0) * (t_6 ^ Float32(2.0))))) ^ Float32(-0.5)))); else tmp = Float32(Float32(Float32(-1.0) * Float32(t_6 * Float32(-1.0))) / sqrt(fmax(Float32(Float32(Float32(t_3 * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_1)) * dX_46_u)), Float32(Float32(Float32(t_3 * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_1)) * dY_46_u))))); 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) ^ single(2.0); t_2 = single(-1.0) * (floor(w) * dY_46_u); t_3 = floor(h) ^ single(2.0); t_4 = single(-1.0) * (floor(w) * dX_46_u); t_5 = floor(h) * dY_46_v; t_6 = dY_46_v * floor(h); tmp = single(0.0); if (((t_4 * t_4) + (t_0 * t_0)) >= ((t_2 * t_2) + (t_5 * t_5))) tmp = floor(h) * (dX_46_v * (max((((dX_46_v * floor(h)) ^ single(2.0)) - (t_1 * ((dX_46_u * dX_46_u) * single(-1.0)))), (((t_1 * dY_46_u) * dY_46_u) - (single(-1.0) * (t_6 ^ single(2.0))))) ^ single(-0.5))); else tmp = (single(-1.0) * (t_6 * single(-1.0))) / sqrt(max((((t_3 * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_1)) * dX_46_u)), (((t_3 * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_1)) * dY_46_u)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
t_5 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_6 := dY.v \cdot \left\lfloor h\right\rfloor \\
\mathbf{if}\;t\_4 \cdot t\_4 + t\_0 \cdot t\_0 \geq t\_2 \cdot t\_2 + t\_5 \cdot t\_5:\\
\;\;\;\;\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot {\left(\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} - t\_1 \cdot \left(\left(dX.u \cdot dX.u\right) \cdot -1\right), \left(t\_1 \cdot dY.u\right) \cdot dY.u - -1 \cdot {t\_6}^{2}\right)\right)}^{-0.5}\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{-1 \cdot \left(t\_6 \cdot -1\right)}{\sqrt{\mathsf{max}\left(\left(t\_3 \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_1\right)\right) \cdot dX.u, \left(t\_3 \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_1\right)\right) \cdot dY.u\right)}}\\
\end{array}
\end{array}
Initial program 77.6%
Applied rewrites77.6%
Applied rewrites77.5%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-pow.f32N/A
associate-*l*N/A
*-commutativeN/A
mul-1-negN/A
associate-*l*N/A
distribute-rgt-neg-inN/A
unpow2N/A
lower-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
mul-1-negN/A
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f3277.5
Applied rewrites77.5%
Final simplification77.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* -1.0 (* (floor w) dY.u)))
(t_2 (* -1.0 (* (floor w) dX.u)))
(t_3 (* (floor h) dY.v))
(t_4 (* dY.v (floor h)))
(t_5 (pow (floor w) 2.0))
(t_6 (pow (floor h) 2.0)))
(if (>= (+ (* t_2 t_2) (* t_0 t_0)) (+ (* t_1 t_1) (* t_3 t_3)))
(*
(floor h)
(*
dX.v
(pow
(fmax
(- (pow (* dX.v (floor h)) 2.0) (* (* (* t_5 dX.u) dX.u) -1.0))
(- (* (* t_5 dY.u) dY.u) (* -1.0 (pow t_4 2.0))))
-0.5)))
(/
(* -1.0 (* t_4 -1.0))
(sqrt
(fmax
(- (* (* t_6 dX.v) dX.v) (* (* -1.0 (* dX.u t_5)) dX.u))
(- (* (* t_6 dY.v) dY.v) (* (* -1.0 (* dY.u t_5)) dY.u))))))))
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 = -1.0f * (floorf(w) * dY_46_u);
float t_2 = -1.0f * (floorf(w) * dX_46_u);
float t_3 = floorf(h) * dY_46_v;
float t_4 = dY_46_v * floorf(h);
float t_5 = powf(floorf(w), 2.0f);
float t_6 = powf(floorf(h), 2.0f);
float tmp;
if (((t_2 * t_2) + (t_0 * t_0)) >= ((t_1 * t_1) + (t_3 * t_3))) {
tmp = floorf(h) * (dX_46_v * powf(fmaxf((powf((dX_46_v * floorf(h)), 2.0f) - (((t_5 * dX_46_u) * dX_46_u) * -1.0f)), (((t_5 * dY_46_u) * dY_46_u) - (-1.0f * powf(t_4, 2.0f)))), -0.5f));
} else {
tmp = (-1.0f * (t_4 * -1.0f)) / sqrtf(fmaxf((((t_6 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_5)) * dX_46_u)), (((t_6 * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_5)) * dY_46_u))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(Float32(-1.0) * Float32(floor(w) * dY_46_u)) t_2 = Float32(Float32(-1.0) * Float32(floor(w) * dX_46_u)) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(dY_46_v * floor(h)) t_5 = floor(w) ^ Float32(2.0) t_6 = floor(h) ^ Float32(2.0) tmp = Float32(0.0) if (Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) >= Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3))) tmp = Float32(floor(h) * Float32(dX_46_v * (fmax(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) - Float32(Float32(Float32(t_5 * dX_46_u) * dX_46_u) * Float32(-1.0))), Float32(Float32(Float32(t_5 * dY_46_u) * dY_46_u) - Float32(Float32(-1.0) * (t_4 ^ Float32(2.0))))) ^ Float32(-0.5)))); else tmp = Float32(Float32(Float32(-1.0) * Float32(t_4 * Float32(-1.0))) / sqrt(fmax(Float32(Float32(Float32(t_6 * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_5)) * dX_46_u)), Float32(Float32(Float32(t_6 * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_5)) * dY_46_u))))); 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 = single(-1.0) * (floor(w) * dY_46_u); t_2 = single(-1.0) * (floor(w) * dX_46_u); t_3 = floor(h) * dY_46_v; t_4 = dY_46_v * floor(h); t_5 = floor(w) ^ single(2.0); t_6 = floor(h) ^ single(2.0); tmp = single(0.0); if (((t_2 * t_2) + (t_0 * t_0)) >= ((t_1 * t_1) + (t_3 * t_3))) tmp = floor(h) * (dX_46_v * (max((((dX_46_v * floor(h)) ^ single(2.0)) - (((t_5 * dX_46_u) * dX_46_u) * single(-1.0))), (((t_5 * dY_46_u) * dY_46_u) - (single(-1.0) * (t_4 ^ single(2.0))))) ^ single(-0.5))); else tmp = (single(-1.0) * (t_4 * single(-1.0))) / sqrt(max((((t_6 * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_5)) * dX_46_u)), (((t_6 * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_5)) * dY_46_u)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dY.u\right)\\
t_2 := -1 \cdot \left(\left\lfloor w\right\rfloor \cdot dX.u\right)\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_5 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_2 \cdot t\_2 + t\_0 \cdot t\_0 \geq t\_1 \cdot t\_1 + t\_3 \cdot t\_3:\\
\;\;\;\;\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot {\left(\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} - \left(\left(t\_5 \cdot dX.u\right) \cdot dX.u\right) \cdot -1, \left(t\_5 \cdot dY.u\right) \cdot dY.u - -1 \cdot {t\_4}^{2}\right)\right)}^{-0.5}\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{-1 \cdot \left(t\_4 \cdot -1\right)}{\sqrt{\mathsf{max}\left(\left(t\_6 \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_5\right)\right) \cdot dX.u, \left(t\_6 \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_5\right)\right) \cdot dY.u\right)}}\\
\end{array}
\end{array}
Initial program 77.6%
Applied rewrites77.6%
Applied rewrites77.5%
Final simplification77.5%
herbie shell --seed 2025064
(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))))