
(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 12 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) dX.u))
(t_1 (pow t_0 2.0))
(t_2 (+ (pow (* (floor h) dX.v) 2.0) t_1))
(t_3 (* (floor w) dY.u))
(t_4 (+ (pow (* (floor h) dY.v) 2.0) (pow t_3 2.0))))
(if (>= t_2 t_4)
(/ t_0 (sqrt (fmax (fma (* (pow (floor h) 2.0) dX.v) dX.v t_1) t_4)))
(/ t_3 (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(w) * dX_46_u;
float t_1 = powf(t_0, 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f) + t_1;
float t_3 = floorf(w) * dY_46_u;
float t_4 = powf((floorf(h) * dY_46_v), 2.0f) + powf(t_3, 2.0f);
float tmp;
if (t_2 >= t_4) {
tmp = t_0 / sqrtf(fmaxf(fmaf((powf(floorf(h), 2.0f) * dX_46_v), dX_46_v, t_1), t_4));
} else {
tmp = t_3 / 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(w) * dX_46_u) t_1 = t_0 ^ Float32(2.0) t_2 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + t_1) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) tmp = Float32(0.0) if (t_2 >= t_4) tmp = Float32(t_0 / sqrt(fmax(fma(Float32((floor(h) ^ Float32(2.0)) * dX_46_v), dX_46_v, t_1), t_4))); else tmp = Float32(t_3 / sqrt(fmax(t_2, t_4))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := {t\_0}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + t\_1\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {t\_3}^{2}\\
\mathbf{if}\;t\_2 \geq t\_4:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v, dX.v, t\_1\right), t\_4\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{\sqrt{\mathsf{max}\left(t\_2, t\_4\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.3%
lift-+.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
*-commutativeN/A
pow-prod-downN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
*-commutativeN/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
associate-*r*N/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
Applied rewrites78.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (+ (pow (* (floor h) dX.v) 2.0) (pow t_0 2.0)))
(t_2 (* (floor w) dY.u))
(t_3 (+ (pow (* (floor h) dY.v) 2.0) (pow t_2 2.0)))
(t_4 (sqrt (fmax t_1 t_3))))
(if (>= t_1 t_3) (/ t_0 t_4) (/ 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(w) * dX_46_u;
float t_1 = powf((floorf(h) * dX_46_v), 2.0f) + powf(t_0, 2.0f);
float t_2 = floorf(w) * dY_46_u;
float t_3 = powf((floorf(h) * dY_46_v), 2.0f) + powf(t_2, 2.0f);
float t_4 = sqrtf(fmaxf(t_1, t_3));
float tmp;
if (t_1 >= t_3) {
tmp = t_0 / t_4;
} else {
tmp = 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(w) * dX_46_u) t_1 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) t_4 = sqrt(fmax(t_1, t_3)) tmp = Float32(0.0) if (t_1 >= t_3) tmp = Float32(t_0 / t_4); else tmp = Float32(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(w) * dX_46_u; t_1 = ((floor(h) * dX_46_v) ^ single(2.0)) + (t_0 ^ single(2.0)); t_2 = floor(w) * dY_46_u; t_3 = ((floor(h) * dY_46_v) ^ single(2.0)) + (t_2 ^ single(2.0)); t_4 = sqrt(max(t_1, t_3)); tmp = single(0.0); if (t_1 >= t_3) tmp = t_0 / t_4; else tmp = t_2 / t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {t\_0}^{2}\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {t\_2}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_1, t\_3\right)}\\
\mathbf{if}\;t\_1 \geq t\_3:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_4}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dY.v) 2.0))
(t_1 (* (floor w) dY.u))
(t_2 (+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0)))
(t_3 (pow t_1 2.0))
(t_4 (+ t_0 t_3)))
(if (>= t_2 t_4)
(* dX.u (/ (floor w) (sqrt (fmax t_2 (+ t_3 t_0)))))
(/ t_1 (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 = powf((floorf(h) * dY_46_v), 2.0f);
float t_1 = floorf(w) * dY_46_u;
float t_2 = powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f);
float t_3 = powf(t_1, 2.0f);
float t_4 = t_0 + t_3;
float tmp;
if (t_2 >= t_4) {
tmp = dX_46_u * (floorf(w) / sqrtf(fmaxf(t_2, (t_3 + t_0))));
} else {
tmp = t_1 / 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) * dY_46_v) ^ Float32(2.0) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) t_3 = t_1 ^ Float32(2.0) t_4 = Float32(t_0 + t_3) tmp = Float32(0.0) if (t_2 >= t_4) tmp = Float32(dX_46_u * Float32(floor(w) / sqrt(fmax(t_2, Float32(t_3 + t_0))))); else tmp = Float32(t_1 / sqrt(fmax(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) * dY_46_v) ^ single(2.0); t_1 = floor(w) * dY_46_u; t_2 = ((floor(h) * dX_46_v) ^ single(2.0)) + ((floor(w) * dX_46_u) ^ single(2.0)); t_3 = t_1 ^ single(2.0); t_4 = t_0 + t_3; tmp = single(0.0); if (t_2 >= t_4) tmp = dX_46_u * (floor(w) / sqrt(max(t_2, (t_3 + t_0)))); else tmp = t_1 / sqrt(max(t_2, t_4)); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}\\
t_3 := {t\_1}^{2}\\
t_4 := t\_0 + t\_3\\
\mathbf{if}\;t\_2 \geq t\_4:\\
\;\;\;\;dX.u \cdot \frac{\left\lfloor w\right\rfloor }{\sqrt{\mathsf{max}\left(t\_2, t\_3 + t\_0\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left(t\_2, t\_4\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.3%
Applied rewrites78.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor h) dY.v))
(t_4 (pow t_3 2.0))
(t_5 (pow t_0 2.0))
(t_6 (+ (pow t_2 2.0) (pow t_1 2.0)))
(t_7 (+ (* t_1 t_1) (* t_2 t_2)))
(t_8 (/ 1.0 (sqrt (fmax t_7 (+ (* t_0 t_0) (* t_3 t_3))))))
(t_9 (sqrt (fmax t_6 (+ t_5 t_4)))))
(if (<= dY.v 5000.0)
(if (>= t_7 t_5) (* t_8 t_1) (* t_8 t_0))
(if (>= t_6 t_4) (/ t_1 t_9) (/ t_0 t_9)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dY_46_u;
float t_1 = floorf(w) * dX_46_u;
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(h) * dY_46_v;
float t_4 = powf(t_3, 2.0f);
float t_5 = powf(t_0, 2.0f);
float t_6 = powf(t_2, 2.0f) + powf(t_1, 2.0f);
float t_7 = (t_1 * t_1) + (t_2 * t_2);
float t_8 = 1.0f / sqrtf(fmaxf(t_7, ((t_0 * t_0) + (t_3 * t_3))));
float t_9 = sqrtf(fmaxf(t_6, (t_5 + t_4)));
float tmp_1;
if (dY_46_v <= 5000.0f) {
float tmp_2;
if (t_7 >= t_5) {
tmp_2 = t_8 * t_1;
} else {
tmp_2 = t_8 * t_0;
}
tmp_1 = tmp_2;
} else if (t_6 >= t_4) {
tmp_1 = t_1 / t_9;
} else {
tmp_1 = t_0 / t_9;
}
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) * dY_46_u) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(h) * dY_46_v) t_4 = t_3 ^ Float32(2.0) t_5 = t_0 ^ Float32(2.0) t_6 = Float32((t_2 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) t_7 = Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) t_8 = Float32(Float32(1.0) / sqrt(fmax(t_7, Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3))))) t_9 = sqrt(fmax(t_6, Float32(t_5 + t_4))) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(5000.0)) tmp_2 = Float32(0.0) if (t_7 >= t_5) tmp_2 = Float32(t_8 * t_1); else tmp_2 = Float32(t_8 * t_0); end tmp_1 = tmp_2; elseif (t_6 >= t_4) tmp_1 = Float32(t_1 / t_9); else tmp_1 = Float32(t_0 / t_9); 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) * dY_46_u; t_1 = floor(w) * dX_46_u; t_2 = floor(h) * dX_46_v; t_3 = floor(h) * dY_46_v; t_4 = t_3 ^ single(2.0); t_5 = t_0 ^ single(2.0); t_6 = (t_2 ^ single(2.0)) + (t_1 ^ single(2.0)); t_7 = (t_1 * t_1) + (t_2 * t_2); t_8 = single(1.0) / sqrt(max(t_7, ((t_0 * t_0) + (t_3 * t_3)))); t_9 = sqrt(max(t_6, (t_5 + t_4))); tmp_2 = single(0.0); if (dY_46_v <= single(5000.0)) tmp_3 = single(0.0); if (t_7 >= t_5) tmp_3 = t_8 * t_1; else tmp_3 = t_8 * t_0; end tmp_2 = tmp_3; elseif (t_6 >= t_4) tmp_2 = t_1 / t_9; else tmp_2 = t_0 / t_9; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := {t\_3}^{2}\\
t_5 := {t\_0}^{2}\\
t_6 := {t\_2}^{2} + {t\_1}^{2}\\
t_7 := t\_1 \cdot t\_1 + t\_2 \cdot t\_2\\
t_8 := \frac{1}{\sqrt{\mathsf{max}\left(t\_7, t\_0 \cdot t\_0 + t\_3 \cdot t\_3\right)}}\\
t_9 := \sqrt{\mathsf{max}\left(t\_6, t\_5 + t\_4\right)}\\
\mathbf{if}\;dY.v \leq 5000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_7 \geq t\_5:\\
\;\;\;\;t\_8 \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_8 \cdot t\_0\\
\end{array}\\
\mathbf{elif}\;t\_6 \geq t\_4:\\
\;\;\;\;\frac{t\_1}{t\_9}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_9}\\
\end{array}
\end{array}
if dY.v < 5e3Initial program 82.5%
Taylor expanded in dY.u around inf
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3276.7
Applied rewrites76.7%
if 5e3 < dY.v Initial program 62.3%
Taylor expanded in dY.u around 0
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3262.3
Applied rewrites62.3%
Applied rewrites62.5%
Final simplification73.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (pow t_1 2.0))
(t_3 (pow (* (floor h) dY.v) 2.0))
(t_4 (pow (* (floor h) dX.v) 2.0))
(t_5 (+ t_4 t_2))
(t_6 (+ t_3 (pow t_0 2.0)))
(t_7 (sqrt (fmax t_5 t_6))))
(if (<= dX.v 0.0005000000237487257)
(if (>= t_5 t_3)
(/ t_1 t_7)
(*
dY.u
(/
(floor w)
(sqrt (fmax t_5 (+ (* (pow (floor w) 2.0) (* dY.u dY.u)) t_3))))))
(if (>= t_4 t_6)
(/ t_1 (sqrt (fmax (fma (* (pow (floor h) 2.0) dX.v) dX.v t_2) t_6)))
(/ t_0 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) * dY_46_u;
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf(t_1, 2.0f);
float t_3 = powf((floorf(h) * dY_46_v), 2.0f);
float t_4 = powf((floorf(h) * dX_46_v), 2.0f);
float t_5 = t_4 + t_2;
float t_6 = t_3 + powf(t_0, 2.0f);
float t_7 = sqrtf(fmaxf(t_5, t_6));
float tmp_1;
if (dX_46_v <= 0.0005000000237487257f) {
float tmp_2;
if (t_5 >= t_3) {
tmp_2 = t_1 / t_7;
} else {
tmp_2 = dY_46_u * (floorf(w) / sqrtf(fmaxf(t_5, ((powf(floorf(w), 2.0f) * (dY_46_u * dY_46_u)) + t_3))));
}
tmp_1 = tmp_2;
} else if (t_4 >= t_6) {
tmp_1 = t_1 / sqrtf(fmaxf(fmaf((powf(floorf(h), 2.0f) * dX_46_v), dX_46_v, t_2), t_6));
} else {
tmp_1 = t_0 / 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) * dY_46_u) t_1 = Float32(floor(w) * dX_46_u) t_2 = t_1 ^ Float32(2.0) t_3 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_4 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_5 = Float32(t_4 + t_2) t_6 = Float32(t_3 + (t_0 ^ Float32(2.0))) t_7 = sqrt(fmax(t_5, t_6)) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(0.0005000000237487257)) tmp_2 = Float32(0.0) if (t_5 >= t_3) tmp_2 = Float32(t_1 / t_7); else tmp_2 = Float32(dY_46_u * Float32(floor(w) / sqrt(fmax(t_5, Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dY_46_u * dY_46_u)) + t_3))))); end tmp_1 = tmp_2; elseif (t_4 >= t_6) tmp_1 = Float32(t_1 / sqrt(fmax(fma(Float32((floor(h) ^ Float32(2.0)) * dX_46_v), dX_46_v, t_2), t_6))); else tmp_1 = Float32(t_0 / t_7); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := {t\_1}^{2}\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_5 := t\_4 + t\_2\\
t_6 := t\_3 + {t\_0}^{2}\\
t_7 := \sqrt{\mathsf{max}\left(t\_5, t\_6\right)}\\
\mathbf{if}\;dX.v \leq 0.0005000000237487257:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_5 \geq t\_3:\\
\;\;\;\;\frac{t\_1}{t\_7}\\
\mathbf{else}:\\
\;\;\;\;dY.u \cdot \frac{\left\lfloor w\right\rfloor }{\sqrt{\mathsf{max}\left(t\_5, {\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dY.u \cdot dY.u\right) + t\_3\right)}}\\
\end{array}\\
\mathbf{elif}\;t\_4 \geq t\_6:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v, dX.v, t\_2\right), t\_6\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_7}\\
\end{array}
\end{array}
if dX.v < 5.00000024e-4Initial program 78.8%
Applied rewrites79.1%
Applied rewrites78.9%
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
lower-*.f32N/A
lower-pow.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3279.0
Applied rewrites79.0%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
Applied rewrites69.1%
if 5.00000024e-4 < dX.v Initial program 76.3%
Applied rewrites76.5%
Taylor expanded in dX.u around 0
Applied rewrites74.4%
lift-+.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
unpow2N/A
associate-*l*N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-fma.f3274.5
Applied rewrites74.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (pow t_1 2.0))
(t_3 (pow (* (floor h) dY.v) 2.0))
(t_4 (pow (* (floor h) dX.v) 2.0))
(t_5 (+ t_4 t_2))
(t_6 (pow t_0 2.0))
(t_7 (+ t_3 t_6))
(t_8 (sqrt (fmax t_5 (+ t_6 t_3)))))
(if (<= dX.v 0.0005000000237487257)
(if (>= t_5 t_3) (/ t_1 t_8) (/ t_0 t_8))
(if (>= t_4 t_7)
(/ t_1 (sqrt (fmax (fma (* (pow (floor h) 2.0) dX.v) dX.v t_2) t_7)))
(/ t_0 (sqrt (fmax t_5 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) * dY_46_u;
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf(t_1, 2.0f);
float t_3 = powf((floorf(h) * dY_46_v), 2.0f);
float t_4 = powf((floorf(h) * dX_46_v), 2.0f);
float t_5 = t_4 + t_2;
float t_6 = powf(t_0, 2.0f);
float t_7 = t_3 + t_6;
float t_8 = sqrtf(fmaxf(t_5, (t_6 + t_3)));
float tmp_1;
if (dX_46_v <= 0.0005000000237487257f) {
float tmp_2;
if (t_5 >= t_3) {
tmp_2 = t_1 / t_8;
} else {
tmp_2 = t_0 / t_8;
}
tmp_1 = tmp_2;
} else if (t_4 >= t_7) {
tmp_1 = t_1 / sqrtf(fmaxf(fmaf((powf(floorf(h), 2.0f) * dX_46_v), dX_46_v, t_2), t_7));
} else {
tmp_1 = t_0 / sqrtf(fmaxf(t_5, 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) * dY_46_u) t_1 = Float32(floor(w) * dX_46_u) t_2 = t_1 ^ Float32(2.0) t_3 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_4 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_5 = Float32(t_4 + t_2) t_6 = t_0 ^ Float32(2.0) t_7 = Float32(t_3 + t_6) t_8 = sqrt(fmax(t_5, Float32(t_6 + t_3))) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(0.0005000000237487257)) tmp_2 = Float32(0.0) if (t_5 >= t_3) tmp_2 = Float32(t_1 / t_8); else tmp_2 = Float32(t_0 / t_8); end tmp_1 = tmp_2; elseif (t_4 >= t_7) tmp_1 = Float32(t_1 / sqrt(fmax(fma(Float32((floor(h) ^ Float32(2.0)) * dX_46_v), dX_46_v, t_2), t_7))); else tmp_1 = Float32(t_0 / sqrt(fmax(t_5, t_7))); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := {t\_1}^{2}\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_5 := t\_4 + t\_2\\
t_6 := {t\_0}^{2}\\
t_7 := t\_3 + t\_6\\
t_8 := \sqrt{\mathsf{max}\left(t\_5, t\_6 + t\_3\right)}\\
\mathbf{if}\;dX.v \leq 0.0005000000237487257:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_5 \geq t\_3:\\
\;\;\;\;\frac{t\_1}{t\_8}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_8}\\
\end{array}\\
\mathbf{elif}\;t\_4 \geq t\_7:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v, dX.v, t\_2\right), t\_7\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(t\_5, t\_7\right)}}\\
\end{array}
\end{array}
if dX.v < 5.00000024e-4Initial program 78.8%
Taylor expanded in dY.u around 0
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3268.8
Applied rewrites68.8%
Applied rewrites69.1%
if 5.00000024e-4 < dX.v Initial program 76.3%
Applied rewrites76.5%
Taylor expanded in dX.u around 0
Applied rewrites74.4%
lift-+.f32N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
unpow2N/A
associate-*l*N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-fma.f3274.5
Applied rewrites74.5%
Final simplification70.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (pow (* (floor h) dY.v) 2.0))
(t_3 (pow (* (floor h) dX.v) 2.0))
(t_4 (+ t_3 (pow t_1 2.0)))
(t_5 (pow t_0 2.0))
(t_6 (+ t_2 t_5))
(t_7 (sqrt (fmax t_4 t_6)))
(t_8 (sqrt (fmax t_4 (+ t_5 t_2)))))
(if (<= dX.v 0.0005000000237487257)
(if (>= t_4 t_2) (/ t_1 t_8) (/ t_0 t_8))
(if (>= t_3 t_6) (/ t_1 t_7) (/ t_0 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) * dY_46_u;
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf((floorf(h) * dY_46_v), 2.0f);
float t_3 = powf((floorf(h) * dX_46_v), 2.0f);
float t_4 = t_3 + powf(t_1, 2.0f);
float t_5 = powf(t_0, 2.0f);
float t_6 = t_2 + t_5;
float t_7 = sqrtf(fmaxf(t_4, t_6));
float t_8 = sqrtf(fmaxf(t_4, (t_5 + t_2)));
float tmp_1;
if (dX_46_v <= 0.0005000000237487257f) {
float tmp_2;
if (t_4 >= t_2) {
tmp_2 = t_1 / t_8;
} else {
tmp_2 = t_0 / t_8;
}
tmp_1 = tmp_2;
} else if (t_3 >= t_6) {
tmp_1 = t_1 / t_7;
} else {
tmp_1 = t_0 / 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) * dY_46_u) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_3 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_4 = Float32(t_3 + (t_1 ^ Float32(2.0))) t_5 = t_0 ^ Float32(2.0) t_6 = Float32(t_2 + t_5) t_7 = sqrt(fmax(t_4, t_6)) t_8 = sqrt(fmax(t_4, Float32(t_5 + t_2))) tmp_1 = Float32(0.0) if (dX_46_v <= Float32(0.0005000000237487257)) tmp_2 = Float32(0.0) if (t_4 >= t_2) tmp_2 = Float32(t_1 / t_8); else tmp_2 = Float32(t_0 / t_8); end tmp_1 = tmp_2; elseif (t_3 >= t_6) tmp_1 = Float32(t_1 / t_7); else tmp_1 = Float32(t_0 / 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) * dY_46_u; t_1 = floor(w) * dX_46_u; t_2 = (floor(h) * dY_46_v) ^ single(2.0); t_3 = (floor(h) * dX_46_v) ^ single(2.0); t_4 = t_3 + (t_1 ^ single(2.0)); t_5 = t_0 ^ single(2.0); t_6 = t_2 + t_5; t_7 = sqrt(max(t_4, t_6)); t_8 = sqrt(max(t_4, (t_5 + t_2))); tmp_2 = single(0.0); if (dX_46_v <= single(0.0005000000237487257)) tmp_3 = single(0.0); if (t_4 >= t_2) tmp_3 = t_1 / t_8; else tmp_3 = t_0 / t_8; end tmp_2 = tmp_3; elseif (t_3 >= t_6) tmp_2 = t_1 / t_7; else tmp_2 = t_0 / t_7; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_4 := t\_3 + {t\_1}^{2}\\
t_5 := {t\_0}^{2}\\
t_6 := t\_2 + t\_5\\
t_7 := \sqrt{\mathsf{max}\left(t\_4, t\_6\right)}\\
t_8 := \sqrt{\mathsf{max}\left(t\_4, t\_5 + t\_2\right)}\\
\mathbf{if}\;dX.v \leq 0.0005000000237487257:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_4 \geq t\_2:\\
\;\;\;\;\frac{t\_1}{t\_8}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_8}\\
\end{array}\\
\mathbf{elif}\;t\_3 \geq t\_6:\\
\;\;\;\;\frac{t\_1}{t\_7}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_7}\\
\end{array}
\end{array}
if dX.v < 5.00000024e-4Initial program 78.8%
Taylor expanded in dY.u around 0
pow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-pow.f3268.8
Applied rewrites68.8%
Applied rewrites69.1%
if 5.00000024e-4 < dX.v Initial program 76.3%
Applied rewrites76.5%
Taylor expanded in dX.u around 0
Applied rewrites74.4%
Final simplification70.8%
(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) dY.v) 2.0) (pow t_0 2.0)))
(t_2 (pow (* (floor h) dX.v) 2.0))
(t_3 (* (floor w) dX.u))
(t_4 (sqrt (fmax (+ t_2 (pow t_3 2.0)) t_1))))
(if (>= t_2 t_1) (/ t_3 t_4) (/ t_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(w) * dY_46_u;
float t_1 = powf((floorf(h) * dY_46_v), 2.0f) + powf(t_0, 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f);
float t_3 = floorf(w) * dX_46_u;
float t_4 = sqrtf(fmaxf((t_2 + powf(t_3, 2.0f)), t_1));
float tmp;
if (t_2 >= t_1) {
tmp = t_3 / t_4;
} else {
tmp = t_0 / 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(w) * dY_46_u) t_1 = Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_2 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_3 = Float32(floor(w) * dX_46_u) t_4 = sqrt(fmax(Float32(t_2 + (t_3 ^ Float32(2.0))), t_1)) tmp = Float32(0.0) if (t_2 >= t_1) tmp = Float32(t_3 / t_4); else tmp = Float32(t_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(w) * dY_46_u; t_1 = ((floor(h) * dY_46_v) ^ single(2.0)) + (t_0 ^ single(2.0)); t_2 = (floor(h) * dX_46_v) ^ single(2.0); t_3 = floor(w) * dX_46_u; t_4 = sqrt(max((t_2 + (t_3 ^ single(2.0))), t_1)); tmp = single(0.0); if (t_2 >= t_1) tmp = t_3 / t_4; else tmp = t_0 / t_4; end tmp_2 = 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 \cdot dY.v\right)}^{2} + {t\_0}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \sqrt{\mathsf{max}\left(t\_2 + {t\_3}^{2}, t\_1\right)}\\
\mathbf{if}\;t\_2 \geq t\_1:\\
\;\;\;\;\frac{t\_3}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.3%
Taylor expanded in dX.u around 0
Applied rewrites68.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* (floor h) dY.v) 2.0))
(t_1 (pow (* (floor w) dY.u) 2.0))
(t_2 (+ t_0 t_1))
(t_3 (pow (* (floor h) dX.v) 2.0))
(t_4 (* (floor w) dX.u))
(t_5 (pow t_4 2.0)))
(if (>= t_3 t_2)
(/ t_4 (sqrt (fmax (+ t_3 t_5) t_2)))
(* (/ dY.u (sqrt (fmax (+ t_5 t_3) (+ t_1 t_0)))) (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) * dY_46_v), 2.0f);
float t_1 = powf((floorf(w) * dY_46_u), 2.0f);
float t_2 = t_0 + t_1;
float t_3 = powf((floorf(h) * dX_46_v), 2.0f);
float t_4 = floorf(w) * dX_46_u;
float t_5 = powf(t_4, 2.0f);
float tmp;
if (t_3 >= t_2) {
tmp = t_4 / sqrtf(fmaxf((t_3 + t_5), t_2));
} else {
tmp = (dY_46_u / sqrtf(fmaxf((t_5 + t_3), (t_1 + t_0)))) * 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) * dY_46_v) ^ Float32(2.0) t_1 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_2 = Float32(t_0 + t_1) t_3 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_4 = Float32(floor(w) * dX_46_u) t_5 = t_4 ^ Float32(2.0) tmp = Float32(0.0) if (t_3 >= t_2) tmp = Float32(t_4 / sqrt(fmax(Float32(t_3 + t_5), t_2))); else tmp = Float32(Float32(dY_46_u / sqrt(fmax(Float32(t_5 + t_3), Float32(t_1 + t_0)))) * 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) * dY_46_v) ^ single(2.0); t_1 = (floor(w) * dY_46_u) ^ single(2.0); t_2 = t_0 + t_1; t_3 = (floor(h) * dX_46_v) ^ single(2.0); t_4 = floor(w) * dX_46_u; t_5 = t_4 ^ single(2.0); tmp = single(0.0); if (t_3 >= t_2) tmp = t_4 / sqrt(max((t_3 + t_5), t_2)); else tmp = (dY_46_u / sqrt(max((t_5 + t_3), (t_1 + t_0)))) * floor(w); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_2 := t\_0 + t\_1\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := {t\_4}^{2}\\
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_3 + t\_5, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{dY.u}{\sqrt{\mathsf{max}\left(t\_5 + t\_3, t\_1 + t\_0\right)}} \cdot \left\lfloor w\right\rfloor \\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.3%
Taylor expanded in dX.u around 0
Applied rewrites68.3%
Applied rewrites68.1%
(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) dY.v) 2.0))
(t_2 (pow (* (floor h) dX.v) 2.0))
(t_3
(sqrt
(fmax (+ t_2 (pow (* (floor w) dX.u) 2.0)) (+ t_1 (pow t_0 2.0))))))
(if (>= t_2 t_1) (/ (* (exp (log (floor w))) dX.u) t_3) (/ t_0 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) * dY_46_u;
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f);
float t_3 = sqrtf(fmaxf((t_2 + powf((floorf(w) * dX_46_u), 2.0f)), (t_1 + powf(t_0, 2.0f))));
float tmp;
if (t_2 >= t_1) {
tmp = (expf(logf(floorf(w))) * dX_46_u) / t_3;
} else {
tmp = t_0 / 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) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_3 = sqrt(fmax(Float32(t_2 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32(t_1 + (t_0 ^ Float32(2.0))))) tmp = Float32(0.0) if (t_2 >= t_1) tmp = Float32(Float32(exp(log(floor(w))) * dX_46_u) / t_3); else tmp = Float32(t_0 / 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) * dY_46_u; t_1 = (floor(h) * dY_46_v) ^ single(2.0); t_2 = (floor(h) * dX_46_v) ^ single(2.0); t_3 = sqrt(max((t_2 + ((floor(w) * dX_46_u) ^ single(2.0))), (t_1 + (t_0 ^ single(2.0))))); tmp = single(0.0); if (t_2 >= t_1) tmp = (exp(log(floor(w))) * dX_46_u) / t_3; else tmp = t_0 / t_3; end tmp_2 = 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 \cdot dY.v\right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_2 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_1 + {t\_0}^{2}\right)}\\
\mathbf{if}\;t\_2 \geq t\_1:\\
\;\;\;\;\frac{e^{\log \left(\left\lfloor w\right\rfloor \right)} \cdot dX.u}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.3%
Taylor expanded in dX.u around 0
Applied rewrites68.3%
lift-floor.f32N/A
unpow1N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-floor.f3267.7
Applied rewrites67.7%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
Applied rewrites63.0%
Final simplification63.0%
(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) dY.v) 2.0))
(t_2 (* (floor w) dX.u))
(t_3 (+ t_1 (pow t_0 2.0)))
(t_4 (pow (* (floor h) dX.v) 2.0))
(t_5 (>= t_4 t_1))
(t_6 (pow t_2 2.0))
(t_7 (+ t_4 t_6))
(t_8 (sqrt (fmax t_7 t_3))))
(if (<= dY.v 1000000000.0)
(if t_5
(/ t_2 t_8)
(/
t_0
(sqrt
(fmax
t_7
(* (fma (floor w) (floor w) (/ t_1 (* dY.u dY.u))) (* dY.u dY.u))))))
(if t_5 (/ t_2 (sqrt (fmax t_6 t_3))) (/ t_0 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) * dY_46_u;
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = floorf(w) * dX_46_u;
float t_3 = t_1 + powf(t_0, 2.0f);
float t_4 = powf((floorf(h) * dX_46_v), 2.0f);
int t_5 = t_4 >= t_1;
float t_6 = powf(t_2, 2.0f);
float t_7 = t_4 + t_6;
float t_8 = sqrtf(fmaxf(t_7, t_3));
float tmp_1;
if (dY_46_v <= 1000000000.0f) {
float tmp_2;
if (t_5) {
tmp_2 = t_2 / t_8;
} else {
tmp_2 = t_0 / sqrtf(fmaxf(t_7, (fmaf(floorf(w), floorf(w), (t_1 / (dY_46_u * dY_46_u))) * (dY_46_u * dY_46_u))));
}
tmp_1 = tmp_2;
} else if (t_5) {
tmp_1 = t_2 / sqrtf(fmaxf(t_6, t_3));
} else {
tmp_1 = t_0 / 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) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(t_1 + (t_0 ^ Float32(2.0))) t_4 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_5 = t_4 >= t_1 t_6 = t_2 ^ Float32(2.0) t_7 = Float32(t_4 + t_6) t_8 = sqrt(fmax(t_7, t_3)) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(1000000000.0)) tmp_2 = Float32(0.0) if (t_5) tmp_2 = Float32(t_2 / t_8); else tmp_2 = Float32(t_0 / sqrt(fmax(t_7, Float32(fma(floor(w), floor(w), Float32(t_1 / Float32(dY_46_u * dY_46_u))) * Float32(dY_46_u * dY_46_u))))); end tmp_1 = tmp_2; elseif (t_5) tmp_1 = Float32(t_2 / sqrt(fmax(t_6, t_3))); else tmp_1 = Float32(t_0 / t_8); end return tmp_1 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 \cdot dY.v\right)}^{2}\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_1 + {t\_0}^{2}\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_5 := t\_4 \geq t\_1\\
t_6 := {t\_2}^{2}\\
t_7 := t\_4 + t\_6\\
t_8 := \sqrt{\mathsf{max}\left(t\_7, t\_3\right)}\\
\mathbf{if}\;dY.v \leq 1000000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_5:\\
\;\;\;\;\frac{t\_2}{t\_8}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(t\_7, \mathsf{fma}\left(\left\lfloor w\right\rfloor , \left\lfloor w\right\rfloor , \frac{t\_1}{dY.u \cdot dY.u}\right) \cdot \left(dY.u \cdot dY.u\right)\right)}}\\
\end{array}\\
\mathbf{elif}\;t\_5:\\
\;\;\;\;\frac{t\_2}{\sqrt{\mathsf{max}\left(t\_6, t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_8}\\
\end{array}
\end{array}
if dY.v < 1e9Initial program 82.6%
Applied rewrites82.9%
Taylor expanded in dX.u around 0
Applied rewrites71.4%
Taylor expanded in dY.u around inf
Applied rewrites68.1%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
Applied rewrites62.6%
if 1e9 < dY.v Initial program 53.4%
Applied rewrites53.7%
Taylor expanded in dX.u around 0
Applied rewrites51.3%
Taylor expanded in dX.u around inf
Applied rewrites49.5%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
Applied rewrites49.5%
Final simplification60.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor w) dY.u))
(t_2 (pow (* (floor h) dY.v) 2.0))
(t_3 (+ t_2 (pow t_1 2.0)))
(t_4 (pow (* (floor h) dX.v) 2.0))
(t_5 (pow t_0 2.0)))
(if (>= t_4 t_2)
(/ t_0 (sqrt (fmax t_5 t_3)))
(/ t_1 (sqrt (fmax (+ t_4 t_5) 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(w) * dY_46_u;
float t_2 = powf((floorf(h) * dY_46_v), 2.0f);
float t_3 = t_2 + powf(t_1, 2.0f);
float t_4 = powf((floorf(h) * dX_46_v), 2.0f);
float t_5 = powf(t_0, 2.0f);
float tmp;
if (t_4 >= t_2) {
tmp = t_0 / sqrtf(fmaxf(t_5, t_3));
} else {
tmp = t_1 / sqrtf(fmaxf((t_4 + t_5), 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(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_3 = Float32(t_2 + (t_1 ^ Float32(2.0))) t_4 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_5 = t_0 ^ Float32(2.0) tmp = Float32(0.0) if (t_4 >= t_2) tmp = Float32(t_0 / sqrt(fmax(t_5, t_3))); else tmp = Float32(t_1 / sqrt(fmax(Float32(t_4 + t_5), 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(w) * dY_46_u; t_2 = (floor(h) * dY_46_v) ^ single(2.0); t_3 = t_2 + (t_1 ^ single(2.0)); t_4 = (floor(h) * dX_46_v) ^ single(2.0); t_5 = t_0 ^ single(2.0); tmp = single(0.0); if (t_4 >= t_2) tmp = t_0 / sqrt(max(t_5, t_3)); else tmp = t_1 / sqrt(max((t_4 + t_5), 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 w\right\rfloor \cdot dY.u\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_3 := t\_2 + {t\_1}^{2}\\
t_4 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_5 := {t\_0}^{2}\\
\mathbf{if}\;t\_4 \geq t\_2:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(t\_5, t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left(t\_4 + t\_5, t\_3\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.3%
Taylor expanded in dX.u around 0
Applied rewrites68.3%
Taylor expanded in dX.u around inf
Applied rewrites48.5%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
unpow-prod-downN/A
pow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
Applied rewrites43.8%
herbie shell --seed 2025064
(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))))