
(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(fmax(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 10 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(fmax(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 w) dY.u))
(t_1 (pow (floor h) 2.0))
(t_2 (* t_1 dY.v))
(t_3 (pow (floor w) 2.0))
(t_4 (fma t_2 dY.v (* (* dY.u dY.u) t_3)))
(t_5 (fma (* dX.u dX.u) t_3 (* (* t_1 dX.v) dX.v))))
(if (>= t_5 t_4)
(/ (* (floor w) dX.u) (sqrt (fmax t_5 t_4)))
(/ t_0 (sqrt (fmax t_5 (fma t_2 dY.v (pow t_0 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) * dY_46_u;
float t_1 = powf(floorf(h), 2.0f);
float t_2 = t_1 * dY_46_v;
float t_3 = powf(floorf(w), 2.0f);
float t_4 = fmaf(t_2, dY_46_v, ((dY_46_u * dY_46_u) * t_3));
float t_5 = fmaf((dX_46_u * dX_46_u), t_3, ((t_1 * dX_46_v) * dX_46_v));
float tmp;
if (t_5 >= t_4) {
tmp = (floorf(w) * dX_46_u) / sqrtf(fmaxf(t_5, t_4));
} else {
tmp = t_0 / sqrtf(fmaxf(t_5, fmaf(t_2, dY_46_v, powf(t_0, 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) * dY_46_u) t_1 = floor(h) ^ Float32(2.0) t_2 = Float32(t_1 * dY_46_v) t_3 = floor(w) ^ Float32(2.0) t_4 = fma(t_2, dY_46_v, Float32(Float32(dY_46_u * dY_46_u) * t_3)) t_5 = fma(Float32(dX_46_u * dX_46_u), t_3, Float32(Float32(t_1 * dX_46_v) * dX_46_v)) tmp = Float32(0.0) if (t_5 >= t_4) tmp = Float32(Float32(floor(w) * dX_46_u) / sqrt(fmax(t_5, t_4))); else tmp = Float32(t_0 / sqrt(fmax(t_5, fma(t_2, dY_46_v, (t_0 ^ Float32(2.0)))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := t\_1 \cdot dY.v\\
t_3 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \mathsf{fma}\left(t\_2, dY.v, \left(dY.u \cdot dY.u\right) \cdot t\_3\right)\\
t_5 := \mathsf{fma}\left(dX.u \cdot dX.u, t\_3, \left(t\_1 \cdot dX.v\right) \cdot dX.v\right)\\
\mathbf{if}\;t\_5 \geq t\_4:\\
\;\;\;\;\frac{\left\lfloor w\right\rfloor \cdot dX.u}{\sqrt{\mathsf{max}\left(t\_5, t\_4\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(t\_5, \mathsf{fma}\left(t\_2, dY.v, {t\_0}^{2}\right)\right)}}\\
\end{array}
\end{array}
Initial program 76.8%
lift-floor.f32N/A
unpow1N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-floor.f3276.1
Applied rewrites76.1%
Applied rewrites76.8%
lift-*.f32N/A
pow2N/A
lift-floor.f32N/A
lift-pow.f32N/A
lower-*.f32N/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3276.9
*-lft-identityN/A
lift-*.f32N/A
lift-floor.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lift-floor.f3276.9
Applied rewrites76.9%
Final simplification76.9%
(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 (floor h) 2.0))
(t_3 (* (floor w) dX.u))
(t_4 (pow (floor w) 2.0))
(t_5 (+ (* t_3 t_3) (* t_0 t_0)))
(t_6 (* (floor h) dY.v))
(t_7 (+ (* t_1 t_1) (* t_6 t_6))))
(if (>= t_5 t_7)
(* (/ 1.0 (sqrt (fmax t_5 t_7))) t_3)
(*
(*
(pow
(fmax
(- (* (* t_2 dX.v) dX.v) (* (* -1.0 (* dX.u t_4)) dX.u))
(- (* (* t_2 dY.v) dY.v) (* (* -1.0 (* dY.u t_4)) dY.u)))
-0.5)
dY.u)
(floor w)))))
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(floorf(h), 2.0f);
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(floorf(w), 2.0f);
float t_5 = (t_3 * t_3) + (t_0 * t_0);
float t_6 = floorf(h) * dY_46_v;
float t_7 = (t_1 * t_1) + (t_6 * t_6);
float tmp;
if (t_5 >= t_7) {
tmp = (1.0f / sqrtf(fmaxf(t_5, t_7))) * t_3;
} else {
tmp = (powf(fmaxf((((t_2 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_4)) * dX_46_u)), (((t_2 * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_4)) * dY_46_u))), -0.5f) * dY_46_u) * floorf(w);
}
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 = floor(h) ^ Float32(2.0) t_3 = Float32(floor(w) * dX_46_u) t_4 = floor(w) ^ Float32(2.0) t_5 = Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(Float32(t_1 * t_1) + Float32(t_6 * t_6)) tmp = Float32(0.0) if (t_5 >= t_7) tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_5, t_7))) * t_3); 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_4)) * dX_46_u)), Float32(Float32(Float32(t_2 * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_4)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_u) * floor(w)); 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) ^ single(2.0); t_3 = floor(w) * dX_46_u; t_4 = floor(w) ^ single(2.0); t_5 = (t_3 * t_3) + (t_0 * t_0); t_6 = floor(h) * dY_46_v; t_7 = (t_1 * t_1) + (t_6 * t_6); tmp = single(0.0); if (t_5 >= t_7) tmp = (single(1.0) / sqrt(max(t_5, t_7))) * t_3; else tmp = ((max((((t_2 * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_4)) * dX_46_u)), (((t_2 * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_4)) * dY_46_u))) ^ single(-0.5)) * dY_46_u) * floor(w); 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(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := t\_3 \cdot t\_3 + t\_0 \cdot t\_0\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_1 \cdot t\_1 + t\_6 \cdot t\_6\\
\mathbf{if}\;t\_5 \geq t\_7:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_7\right)}} \cdot t\_3\\
\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\_4\right)\right) \cdot dX.u, \left(t\_2 \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_4\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.8%
Final simplification76.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (pow (floor h) 2.0))
(t_3 (* (floor w) dX.u))
(t_4 (pow (floor w) 2.0))
(t_5 (+ (* t_3 t_3) (* t_0 t_0)))
(t_6 (* (floor h) dY.v))
(t_7 (+ (* t_1 t_1) (* t_6 t_6))))
(if (>= t_5 t_7)
(* (/ 1.0 (sqrt (fmax t_5 t_7))) t_3)
(*
(*
(floor w)
(pow
(fmax
(- (* (* t_2 dX.v) dX.v) (* (* -1.0 (* dX.u t_4)) dX.u))
(- (* (* t_2 dY.v) dY.v) (* (* -1.0 (* dY.u t_4)) dY.u)))
-0.5))
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 = floorf(w) * dY_46_u;
float t_2 = powf(floorf(h), 2.0f);
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(floorf(w), 2.0f);
float t_5 = (t_3 * t_3) + (t_0 * t_0);
float t_6 = floorf(h) * dY_46_v;
float t_7 = (t_1 * t_1) + (t_6 * t_6);
float tmp;
if (t_5 >= t_7) {
tmp = (1.0f / sqrtf(fmaxf(t_5, t_7))) * t_3;
} else {
tmp = (floorf(w) * powf(fmaxf((((t_2 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_4)) * dX_46_u)), (((t_2 * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_4)) * dY_46_u))), -0.5f)) * 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(floor(w) * dY_46_u) t_2 = floor(h) ^ Float32(2.0) t_3 = Float32(floor(w) * dX_46_u) t_4 = floor(w) ^ Float32(2.0) t_5 = Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(Float32(t_1 * t_1) + Float32(t_6 * t_6)) tmp = Float32(0.0) if (t_5 >= t_7) tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_5, t_7))) * t_3); else tmp = Float32(Float32(floor(w) * (fmax(Float32(Float32(Float32(t_2 * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_4)) * dX_46_u)), Float32(Float32(Float32(t_2 * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_4)) * dY_46_u))) ^ Float32(-0.5))) * 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 = floor(w) * dY_46_u; t_2 = floor(h) ^ single(2.0); t_3 = floor(w) * dX_46_u; t_4 = floor(w) ^ single(2.0); t_5 = (t_3 * t_3) + (t_0 * t_0); t_6 = floor(h) * dY_46_v; t_7 = (t_1 * t_1) + (t_6 * t_6); tmp = single(0.0); if (t_5 >= t_7) tmp = (single(1.0) / sqrt(max(t_5, t_7))) * t_3; else tmp = (floor(w) * (max((((t_2 * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_4)) * dX_46_u)), (((t_2 * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_4)) * dY_46_u))) ^ single(-0.5))) * 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 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := t\_3 \cdot t\_3 + t\_0 \cdot t\_0\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_1 \cdot t\_1 + t\_6 \cdot t\_6\\
\mathbf{if}\;t\_5 \geq t\_7:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_7\right)}} \cdot t\_3\\
\mathbf{else}:\\
\;\;\;\;\left(\left\lfloor w\right\rfloor \cdot {\left(\mathsf{max}\left(\left(t\_2 \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_4\right)\right) \cdot dX.u, \left(t\_2 \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_4\right)\right) \cdot dY.u\right)\right)}^{-0.5}\right) \cdot dY.u\\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.8%
Final simplification76.8%
(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 h) 2.0))
(t_2 (pow (floor w) 2.0))
(t_3 (* (floor w) dY.u))
(t_4 (* t_1 dY.v))
(t_5 (* (floor h) dY.v))
(t_6 (* (floor w) dX.u)))
(if (>= (+ (* t_6 t_6) (* t_0 t_0)) (+ (* t_3 t_3) (* t_5 t_5)))
(*
(*
(pow
(fmax
(fma (* dX.v dX.v) t_1 (* (* dX.u dX.u) t_2))
(fma t_4 dY.v (* (* dY.u dY.u) t_2)))
-0.5)
(floor w))
dX.u)
(*
(*
(floor w)
(pow
(fmax
(- (* (* t_1 dX.v) dX.v) (* (* -1.0 (* dX.u t_2)) dX.u))
(- (* t_4 dY.v) (* (* -1.0 (* dY.u t_2)) dY.u)))
-0.5))
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 = powf(floorf(h), 2.0f);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = floorf(w) * dY_46_u;
float t_4 = t_1 * dY_46_v;
float t_5 = floorf(h) * dY_46_v;
float t_6 = floorf(w) * dX_46_u;
float tmp;
if (((t_6 * t_6) + (t_0 * t_0)) >= ((t_3 * t_3) + (t_5 * t_5))) {
tmp = (powf(fmaxf(fmaf((dX_46_v * dX_46_v), t_1, ((dX_46_u * dX_46_u) * t_2)), fmaf(t_4, dY_46_v, ((dY_46_u * dY_46_u) * t_2))), -0.5f) * floorf(w)) * dX_46_u;
} else {
tmp = (floorf(w) * powf(fmaxf((((t_1 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_2)) * dX_46_u)), ((t_4 * dY_46_v) - ((-1.0f * (dY_46_u * t_2)) * dY_46_u))), -0.5f)) * 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(h) ^ Float32(2.0) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(t_1 * dY_46_v) t_5 = Float32(floor(h) * dY_46_v) t_6 = Float32(floor(w) * dX_46_u) tmp = Float32(0.0) if (Float32(Float32(t_6 * t_6) + Float32(t_0 * t_0)) >= Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5))) tmp = Float32(Float32((fmax(fma(Float32(dX_46_v * dX_46_v), t_1, Float32(Float32(dX_46_u * dX_46_u) * t_2)), fma(t_4, dY_46_v, Float32(Float32(dY_46_u * dY_46_u) * t_2))) ^ Float32(-0.5)) * floor(w)) * dX_46_u); else tmp = Float32(Float32(floor(w) * (fmax(Float32(Float32(Float32(t_1 * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_2)) * dX_46_u)), Float32(Float32(t_4 * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_2)) * dY_46_u))) ^ Float32(-0.5))) * dY_46_u); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := t\_1 \cdot dY.v\\
t_5 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_6 := \left\lfloor w\right\rfloor \cdot dX.u\\
\mathbf{if}\;t\_6 \cdot t\_6 + t\_0 \cdot t\_0 \geq t\_3 \cdot t\_3 + t\_5 \cdot t\_5:\\
\;\;\;\;\left({\left(\mathsf{max}\left(\mathsf{fma}\left(dX.v \cdot dX.v, t\_1, \left(dX.u \cdot dX.u\right) \cdot t\_2\right), \mathsf{fma}\left(t\_4, dY.v, \left(dY.u \cdot dY.u\right) \cdot t\_2\right)\right)\right)}^{-0.5} \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\\
\mathbf{else}:\\
\;\;\;\;\left(\left\lfloor w\right\rfloor \cdot {\left(\mathsf{max}\left(\left(t\_1 \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_2\right)\right) \cdot dX.u, t\_4 \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_2\right)\right) \cdot dY.u\right)\right)}^{-0.5}\right) \cdot dY.u\\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.8%
Applied rewrites76.7%
Final simplification76.7%
(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 h) 2.0))
(t_2 (* (floor w) dY.u))
(t_3 (pow (floor w) 2.0))
(t_4 (* (floor w) dX.u))
(t_5 (+ (* t_4 t_4) (* t_0 t_0)))
(t_6 (* (floor h) dY.v))
(t_7 (+ (* t_2 t_2) (* t_6 t_6))))
(if (>= t_5 t_7)
(*
(*
(floor w)
(pow
(fmax
(- (* (* t_1 dX.v) dX.v) (* (* -1.0 (* dX.u t_3)) dX.u))
(- (* (* t_1 dY.v) dY.v) (* (* -1.0 (* dY.u t_3)) dY.u)))
-0.5))
dX.u)
(* (/ 1.0 (sqrt (fmax t_5 t_7))) 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) * dX_46_v;
float t_1 = powf(floorf(h), 2.0f);
float t_2 = floorf(w) * dY_46_u;
float t_3 = powf(floorf(w), 2.0f);
float t_4 = floorf(w) * dX_46_u;
float t_5 = (t_4 * t_4) + (t_0 * t_0);
float t_6 = floorf(h) * dY_46_v;
float t_7 = (t_2 * t_2) + (t_6 * t_6);
float tmp;
if (t_5 >= t_7) {
tmp = (floorf(w) * powf(fmaxf((((t_1 * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_3)) * dX_46_u)), (((t_1 * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_3)) * dY_46_u))), -0.5f)) * dX_46_u;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_5, t_7))) * 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) * dX_46_v) t_1 = floor(h) ^ Float32(2.0) t_2 = Float32(floor(w) * dY_46_u) t_3 = floor(w) ^ Float32(2.0) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(Float32(t_2 * t_2) + Float32(t_6 * t_6)) tmp = Float32(0.0) if (t_5 >= t_7) tmp = Float32(Float32(floor(w) * (fmax(Float32(Float32(Float32(t_1 * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_3)) * dX_46_u)), Float32(Float32(Float32(t_1 * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_3)) * dY_46_u))) ^ Float32(-0.5))) * dX_46_u); else tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_5, t_7))) * 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) * dX_46_v; t_1 = floor(h) ^ single(2.0); t_2 = floor(w) * dY_46_u; t_3 = floor(w) ^ single(2.0); t_4 = floor(w) * dX_46_u; t_5 = (t_4 * t_4) + (t_0 * t_0); t_6 = floor(h) * dY_46_v; t_7 = (t_2 * t_2) + (t_6 * t_6); tmp = single(0.0); if (t_5 >= t_7) tmp = (floor(w) * (max((((t_1 * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_3)) * dX_46_u)), (((t_1 * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_3)) * dY_46_u))) ^ single(-0.5))) * dX_46_u; else tmp = (single(1.0) / sqrt(max(t_5, t_7))) * t_2; 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 h\right\rfloor \right)}^{2}\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4 + t\_0 \cdot t\_0\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_2 \cdot t\_2 + t\_6 \cdot t\_6\\
\mathbf{if}\;t\_5 \geq t\_7:\\
\;\;\;\;\left(\left\lfloor w\right\rfloor \cdot {\left(\mathsf{max}\left(\left(t\_1 \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_3\right)\right) \cdot dX.u, \left(t\_1 \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_3\right)\right) \cdot dY.u\right)\right)}^{-0.5}\right) \cdot dX.u\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_7\right)}} \cdot t\_2\\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.7%
Final simplification76.7%
(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 (pow (floor w) 2.0))
(t_4 (* (log (floor h)) 2.0))
(t_5 (+ (* t_2 t_2) (* t_0 t_0)))
(t_6 (* (floor h) dY.v))
(t_7 (+ (* t_1 t_1) (* t_6 t_6))))
(if (>= t_5 t_7)
(*
(*
(floor w)
(pow
(fmax
(-
(* (* (+ (cosh t_4) (sinh t_4)) dX.v) dX.v)
(* (* -1.0 (* dX.u t_3)) dX.u))
(-
(* (* (pow (floor h) 2.0) dY.v) dY.v)
(* (* -1.0 (* dY.u t_3)) dY.u)))
-0.5))
dX.u)
(* (/ 1.0 (sqrt (fmax t_5 t_7))) 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 = powf(floorf(w), 2.0f);
float t_4 = logf(floorf(h)) * 2.0f;
float t_5 = (t_2 * t_2) + (t_0 * t_0);
float t_6 = floorf(h) * dY_46_v;
float t_7 = (t_1 * t_1) + (t_6 * t_6);
float tmp;
if (t_5 >= t_7) {
tmp = (floorf(w) * powf(fmaxf(((((coshf(t_4) + sinhf(t_4)) * dX_46_v) * dX_46_v) - ((-1.0f * (dX_46_u * t_3)) * dX_46_u)), (((powf(floorf(h), 2.0f) * dY_46_v) * dY_46_v) - ((-1.0f * (dY_46_u * t_3)) * dY_46_u))), -0.5f)) * dX_46_u;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_5, t_7))) * 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 = floor(w) ^ Float32(2.0) t_4 = Float32(log(floor(h)) * Float32(2.0)) t_5 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(Float32(t_1 * t_1) + Float32(t_6 * t_6)) tmp = Float32(0.0) if (t_5 >= t_7) tmp = Float32(Float32(floor(w) * (fmax(Float32(Float32(Float32(Float32(cosh(t_4) + sinh(t_4)) * dX_46_v) * dX_46_v) - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_3)) * dX_46_u)), Float32(Float32(Float32((floor(h) ^ Float32(2.0)) * dY_46_v) * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_3)) * dY_46_u))) ^ Float32(-0.5))) * dX_46_u); else tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_5, t_7))) * 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 = floor(w) ^ single(2.0); t_4 = log(floor(h)) * single(2.0); t_5 = (t_2 * t_2) + (t_0 * t_0); t_6 = floor(h) * dY_46_v; t_7 = (t_1 * t_1) + (t_6 * t_6); tmp = single(0.0); if (t_5 >= t_7) tmp = (floor(w) * (max(((((cosh(t_4) + sinh(t_4)) * dX_46_v) * dX_46_v) - ((single(-1.0) * (dX_46_u * t_3)) * dX_46_u)), ((((floor(h) ^ single(2.0)) * dY_46_v) * dY_46_v) - ((single(-1.0) * (dY_46_u * t_3)) * dY_46_u))) ^ single(-0.5))) * dX_46_u; else tmp = (single(1.0) / sqrt(max(t_5, t_7))) * 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 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \log \left(\left\lfloor h\right\rfloor \right) \cdot 2\\
t_5 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_1 \cdot t\_1 + t\_6 \cdot t\_6\\
\mathbf{if}\;t\_5 \geq t\_7:\\
\;\;\;\;\left(\left\lfloor w\right\rfloor \cdot {\left(\mathsf{max}\left(\left(\left(\cosh t\_4 + \sinh t\_4\right) \cdot dX.v\right) \cdot dX.v - \left(-1 \cdot \left(dX.u \cdot t\_3\right)\right) \cdot dX.u, \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dY.v\right) \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_3\right)\right) \cdot dY.u\right)\right)}^{-0.5}\right) \cdot dX.u\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_7\right)}} \cdot t\_1\\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.7%
lift-floor.f32N/A
lift-pow.f32N/A
pow-to-expN/A
sinh-+-cosh-revN/A
lower-+.f32N/A
lower-cosh.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-floor.f32N/A
lower-sinh.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-floor.f3276.3
Applied rewrites76.3%
Final simplification76.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (* t_0 dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (pow (floor w) 2.0))
(t_4 (* (floor h) dY.v))
(t_5 (* (floor w) dX.u))
(t_6 (* (floor h) dX.v))
(t_7 (* (* t_0 dX.v) dX.v)))
(if (>= (+ (* t_5 t_5) (* t_6 t_6)) (+ (* t_2 t_2) (* t_4 t_4)))
(* (sqrt (/ 1.0 (fmax t_7 (fma t_1 dY.v (* (* dY.u dY.u) t_3))))) t_5)
(*
(*
(pow
(fmax
(- t_7 (* (* -1.0 (* dX.u t_3)) dX.u))
(- (* t_1 dY.v) (* (* -1.0 (* dY.u t_3)) dY.u)))
-0.5)
dY.u)
(floor w)))))
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 = powf(floorf(h), 2.0f);
float t_1 = t_0 * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = powf(floorf(w), 2.0f);
float t_4 = floorf(h) * dY_46_v;
float t_5 = floorf(w) * dX_46_u;
float t_6 = floorf(h) * dX_46_v;
float t_7 = (t_0 * dX_46_v) * dX_46_v;
float tmp;
if (((t_5 * t_5) + (t_6 * t_6)) >= ((t_2 * t_2) + (t_4 * t_4))) {
tmp = sqrtf((1.0f / fmaxf(t_7, fmaf(t_1, dY_46_v, ((dY_46_u * dY_46_u) * t_3))))) * t_5;
} else {
tmp = (powf(fmaxf((t_7 - ((-1.0f * (dX_46_u * t_3)) * dX_46_u)), ((t_1 * dY_46_v) - ((-1.0f * (dY_46_u * t_3)) * dY_46_u))), -0.5f) * dY_46_u) * floorf(w);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(t_0 * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = floor(w) ^ Float32(2.0) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(floor(w) * dX_46_u) t_6 = Float32(floor(h) * dX_46_v) t_7 = Float32(Float32(t_0 * dX_46_v) * dX_46_v) tmp = Float32(0.0) if (Float32(Float32(t_5 * t_5) + Float32(t_6 * t_6)) >= Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4))) tmp = Float32(sqrt(Float32(Float32(1.0) / fmax(t_7, fma(t_1, dY_46_v, Float32(Float32(dY_46_u * dY_46_u) * t_3))))) * t_5); else tmp = Float32(Float32((fmax(Float32(t_7 - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_3)) * dX_46_u)), Float32(Float32(t_1 * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_3)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_u) * floor(w)); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_6 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_7 := \left(t\_0 \cdot dX.v\right) \cdot dX.v\\
\mathbf{if}\;t\_5 \cdot t\_5 + t\_6 \cdot t\_6 \geq t\_2 \cdot t\_2 + t\_4 \cdot t\_4:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_7, \mathsf{fma}\left(t\_1, dY.v, \left(dY.u \cdot dY.u\right) \cdot t\_3\right)\right)}} \cdot t\_5\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\mathsf{max}\left(t\_7 - \left(-1 \cdot \left(dX.u \cdot t\_3\right)\right) \cdot dX.u, t\_1 \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_3\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.8%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f3263.0
Applied rewrites63.0%
Applied rewrites63.0%
Final simplification63.0%
(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 h) 2.0))
(t_2 (* (* t_1 dX.v) dX.v))
(t_3 (* (floor w) dX.u))
(t_4 (* (floor w) dY.u))
(t_5 (* t_1 dY.v))
(t_6 (* (floor h) dY.v))
(t_7 (pow (floor w) 2.0)))
(if (>= (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_4 t_4) (* t_6 t_6)))
(*
(exp
(* (log (sqrt (fmax t_2 (fma t_5 dY.v (* (* dY.u dY.u) t_7))))) -1.0))
(* (/ 1.0 (pow (floor w) -1.0)) dX.u))
(*
(*
(pow
(fmax
(- t_2 (* (* -1.0 (* dX.u t_7)) dX.u))
(- (* t_5 dY.v) (* (* -1.0 (* dY.u t_7)) dY.u)))
-0.5)
dY.u)
(floor w)))))
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(h), 2.0f);
float t_2 = (t_1 * dX_46_v) * dX_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = floorf(w) * dY_46_u;
float t_5 = t_1 * dY_46_v;
float t_6 = floorf(h) * dY_46_v;
float t_7 = powf(floorf(w), 2.0f);
float tmp;
if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_4 * t_4) + (t_6 * t_6))) {
tmp = expf((logf(sqrtf(fmaxf(t_2, fmaf(t_5, dY_46_v, ((dY_46_u * dY_46_u) * t_7))))) * -1.0f)) * ((1.0f / powf(floorf(w), -1.0f)) * dX_46_u);
} else {
tmp = (powf(fmaxf((t_2 - ((-1.0f * (dX_46_u * t_7)) * dX_46_u)), ((t_5 * dY_46_v) - ((-1.0f * (dY_46_u * t_7)) * dY_46_u))), -0.5f) * dY_46_u) * floorf(w);
}
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(h) ^ Float32(2.0) t_2 = Float32(Float32(t_1 * dX_46_v) * dX_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(floor(w) * dY_46_u) t_5 = Float32(t_1 * dY_46_v) t_6 = Float32(floor(h) * dY_46_v) t_7 = floor(w) ^ Float32(2.0) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) >= Float32(Float32(t_4 * t_4) + Float32(t_6 * t_6))) tmp = Float32(exp(Float32(log(sqrt(fmax(t_2, fma(t_5, dY_46_v, Float32(Float32(dY_46_u * dY_46_u) * t_7))))) * Float32(-1.0))) * Float32(Float32(Float32(1.0) / (floor(w) ^ Float32(-1.0))) * dX_46_u)); else tmp = Float32(Float32((fmax(Float32(t_2 - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_7)) * dX_46_u)), Float32(Float32(t_5 * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_7)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_u) * floor(w)); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := \left(t\_1 \cdot dX.v\right) \cdot dX.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := t\_1 \cdot dY.v\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_3 \cdot t\_3 + t\_0 \cdot t\_0 \geq t\_4 \cdot t\_4 + t\_6 \cdot t\_6:\\
\;\;\;\;e^{\log \left(\sqrt{\mathsf{max}\left(t\_2, \mathsf{fma}\left(t\_5, dY.v, \left(dY.u \cdot dY.u\right) \cdot t\_7\right)\right)}\right) \cdot -1} \cdot \left(\frac{1}{{\left(\left\lfloor w\right\rfloor \right)}^{-1}} \cdot dX.u\right)\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\mathsf{max}\left(t\_2 - \left(-1 \cdot \left(dX.u \cdot t\_7\right)\right) \cdot dX.u, t\_5 \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_7\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.8%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f3263.0
Applied rewrites63.0%
Applied rewrites61.4%
lift-floor.f32N/A
unpow1N/A
metadata-evalN/A
pow-negN/A
lower-/.f32N/A
lower-pow.f32N/A
lift-floor.f3261.5
Applied rewrites61.5%
Final simplification61.5%
(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 h) 2.0))
(t_2 (* (* t_1 dX.v) dX.v))
(t_3 (* (floor w) dX.u))
(t_4 (* (floor w) dY.u))
(t_5 (* t_1 dY.v))
(t_6 (* (floor h) dY.v))
(t_7 (pow (floor w) 2.0)))
(if (>= (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_4 t_4) (* t_6 t_6)))
(*
(exp
(* (log (sqrt (fmax t_2 (fma t_5 dY.v (* (* dY.u dY.u) t_7))))) -1.0))
t_3)
(*
(*
(pow
(fmax
(- t_2 (* (* -1.0 (* dX.u t_7)) dX.u))
(- (* t_5 dY.v) (* (* -1.0 (* dY.u t_7)) dY.u)))
-0.5)
dY.u)
(floor w)))))
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(h), 2.0f);
float t_2 = (t_1 * dX_46_v) * dX_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = floorf(w) * dY_46_u;
float t_5 = t_1 * dY_46_v;
float t_6 = floorf(h) * dY_46_v;
float t_7 = powf(floorf(w), 2.0f);
float tmp;
if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_4 * t_4) + (t_6 * t_6))) {
tmp = expf((logf(sqrtf(fmaxf(t_2, fmaf(t_5, dY_46_v, ((dY_46_u * dY_46_u) * t_7))))) * -1.0f)) * t_3;
} else {
tmp = (powf(fmaxf((t_2 - ((-1.0f * (dX_46_u * t_7)) * dX_46_u)), ((t_5 * dY_46_v) - ((-1.0f * (dY_46_u * t_7)) * dY_46_u))), -0.5f) * dY_46_u) * floorf(w);
}
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(h) ^ Float32(2.0) t_2 = Float32(Float32(t_1 * dX_46_v) * dX_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(floor(w) * dY_46_u) t_5 = Float32(t_1 * dY_46_v) t_6 = Float32(floor(h) * dY_46_v) t_7 = floor(w) ^ Float32(2.0) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) >= Float32(Float32(t_4 * t_4) + Float32(t_6 * t_6))) tmp = Float32(exp(Float32(log(sqrt(fmax(t_2, fma(t_5, dY_46_v, Float32(Float32(dY_46_u * dY_46_u) * t_7))))) * Float32(-1.0))) * t_3); else tmp = Float32(Float32((fmax(Float32(t_2 - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_7)) * dX_46_u)), Float32(Float32(t_5 * dY_46_v) - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_7)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_u) * floor(w)); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := \left(t\_1 \cdot dX.v\right) \cdot dX.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := t\_1 \cdot dY.v\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_3 \cdot t\_3 + t\_0 \cdot t\_0 \geq t\_4 \cdot t\_4 + t\_6 \cdot t\_6:\\
\;\;\;\;e^{\log \left(\sqrt{\mathsf{max}\left(t\_2, \mathsf{fma}\left(t\_5, dY.v, \left(dY.u \cdot dY.u\right) \cdot t\_7\right)\right)}\right) \cdot -1} \cdot t\_3\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\mathsf{max}\left(t\_2 - \left(-1 \cdot \left(dX.u \cdot t\_7\right)\right) \cdot dX.u, t\_5 \cdot dY.v - \left(-1 \cdot \left(dY.u \cdot t\_7\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.8%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f3263.0
Applied rewrites63.0%
Applied rewrites61.4%
Final simplification61.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (* (* t_0 dX.v) dX.v))
(t_2 (* (* t_0 dY.v) dY.v))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dY.v))
(t_5 (* (floor w) dX.u))
(t_6 (* (floor h) dX.v))
(t_7 (pow (floor w) 2.0)))
(if (>= (+ (* t_5 t_5) (* t_6 t_6)) (+ (* t_3 t_3) (* t_4 t_4)))
(* (exp (* (log (sqrt (fmax t_1 t_2))) -1.0)) t_5)
(*
(*
(pow
(fmax
(- t_1 (* (* -1.0 (* dX.u t_7)) dX.u))
(- t_2 (* (* -1.0 (* dY.u t_7)) dY.u)))
-0.5)
dY.u)
(floor w)))))
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 = powf(floorf(h), 2.0f);
float t_1 = (t_0 * dX_46_v) * dX_46_v;
float t_2 = (t_0 * dY_46_v) * dY_46_v;
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * dY_46_v;
float t_5 = floorf(w) * dX_46_u;
float t_6 = floorf(h) * dX_46_v;
float t_7 = powf(floorf(w), 2.0f);
float tmp;
if (((t_5 * t_5) + (t_6 * t_6)) >= ((t_3 * t_3) + (t_4 * t_4))) {
tmp = expf((logf(sqrtf(fmaxf(t_1, t_2))) * -1.0f)) * t_5;
} else {
tmp = (powf(fmaxf((t_1 - ((-1.0f * (dX_46_u * t_7)) * dX_46_u)), (t_2 - ((-1.0f * (dY_46_u * t_7)) * dY_46_u))), -0.5f) * dY_46_u) * floorf(w);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(Float32(t_0 * dX_46_v) * dX_46_v) t_2 = Float32(Float32(t_0 * dY_46_v) * dY_46_v) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(floor(w) * dX_46_u) t_6 = Float32(floor(h) * dX_46_v) t_7 = floor(w) ^ Float32(2.0) tmp = Float32(0.0) if (Float32(Float32(t_5 * t_5) + Float32(t_6 * t_6)) >= Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4))) tmp = Float32(exp(Float32(log(sqrt(fmax(t_1, t_2))) * Float32(-1.0))) * t_5); else tmp = Float32(Float32((fmax(Float32(t_1 - Float32(Float32(Float32(-1.0) * Float32(dX_46_u * t_7)) * dX_46_u)), Float32(t_2 - Float32(Float32(Float32(-1.0) * Float32(dY_46_u * t_7)) * dY_46_u))) ^ Float32(-0.5)) * dY_46_u) * floor(w)); 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) ^ single(2.0); t_1 = (t_0 * dX_46_v) * dX_46_v; t_2 = (t_0 * dY_46_v) * dY_46_v; t_3 = floor(w) * dY_46_u; t_4 = floor(h) * dY_46_v; t_5 = floor(w) * dX_46_u; t_6 = floor(h) * dX_46_v; t_7 = floor(w) ^ single(2.0); tmp = single(0.0); if (((t_5 * t_5) + (t_6 * t_6)) >= ((t_3 * t_3) + (t_4 * t_4))) tmp = exp((log(sqrt(max(t_1, t_2))) * single(-1.0))) * t_5; else tmp = ((max((t_1 - ((single(-1.0) * (dX_46_u * t_7)) * dX_46_u)), (t_2 - ((single(-1.0) * (dY_46_u * t_7)) * dY_46_u))) ^ single(-0.5)) * dY_46_u) * floor(w); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := \left(t\_0 \cdot dX.v\right) \cdot dX.v\\
t_2 := \left(t\_0 \cdot dY.v\right) \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_6 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_7 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_5 \cdot t\_5 + t\_6 \cdot t\_6 \geq t\_3 \cdot t\_3 + t\_4 \cdot t\_4:\\
\;\;\;\;e^{\log \left(\sqrt{\mathsf{max}\left(t\_1, t\_2\right)}\right) \cdot -1} \cdot t\_5\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\mathsf{max}\left(t\_1 - \left(-1 \cdot \left(dX.u \cdot t\_7\right)\right) \cdot dX.u, t\_2 - \left(-1 \cdot \left(dY.u \cdot t\_7\right)\right) \cdot dY.u\right)\right)}^{-0.5} \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \\
\end{array}
\end{array}
Initial program 76.8%
Applied rewrites76.8%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f3263.0
Applied rewrites63.0%
Applied rewrites61.4%
Taylor expanded in dY.u around 0
Applied rewrites61.2%
Final simplification61.2%
herbie shell --seed 2025066
(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))))