
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_0) (* t_6 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_0;
} else {
tmp = t_6 * t_4;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_0); else tmp = Float32(t_6 * t_4); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_0; else tmp = t_6 * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_0) (* t_6 t_4))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_0;
} else {
tmp = t_6 * t_4;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_0); else tmp = Float32(t_6 * t_4); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = floor(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_0; else tmp = t_6 * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot (* (floor w) dY.u) t_0) 2.0))
(t_2 (* dX.v (floor h)))
(t_3 (pow (hypot (* dX.u (floor w)) t_2) 2.0))
(t_4 (sqrt (fmax t_3 t_1))))
(if (>= t_3 t_1) (/ t_2 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(h) * dY_46_v;
float t_1 = powf(hypotf((floorf(w) * dY_46_u), t_0), 2.0f);
float t_2 = dX_46_v * floorf(h);
float t_3 = powf(hypotf((dX_46_u * floorf(w)), t_2), 2.0f);
float t_4 = sqrtf(fmaxf(t_3, t_1));
float tmp;
if (t_3 >= t_1) {
tmp = t_2 / 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(h) * dY_46_v) t_1 = hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0) t_2 = Float32(dX_46_v * floor(h)) t_3 = hypot(Float32(dX_46_u * floor(w)), t_2) ^ Float32(2.0) t_4 = sqrt(((t_3 != t_3) ? t_1 : ((t_1 != t_1) ? t_3 : max(t_3, t_1)))) tmp = Float32(0.0) if (t_3 >= t_1) tmp = Float32(t_2 / 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(h) * dY_46_v; t_1 = hypot((floor(w) * dY_46_u), t_0) ^ single(2.0); t_2 = dX_46_v * floor(h); t_3 = hypot((dX_46_u * floor(w)), t_2) ^ single(2.0); t_4 = sqrt(max(t_3, t_1)); tmp = single(0.0); if (t_3 >= t_1) tmp = t_2 / t_4; else tmp = t_0 / t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, t\_0\right)\right)}^{2}\\
t_2 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_3 := {\left(\mathsf{hypot}\left(dX.u \cdot \left\lfloorw\right\rfloor, t\_2\right)\right)}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_3, t\_1\right)}\\
\mathbf{if}\;t\_3 \geq t\_1:\\
\;\;\;\;\frac{t\_2}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\end{array}
\end{array}
Initial program 78.2%
Applied egg-rr77.8%
Applied egg-rr78.4%
Taylor expanded in w around 0 78.4%
Simplified78.4%
associate-*l/78.5%
*-un-lft-identity78.5%
Applied egg-rr78.5%
Final simplification78.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot (* (floor w) dY.u) t_0) 2.0))
(t_2 (pow (hypot (* dX.u (floor w)) (* dX.v (floor h))) 2.0))
(t_3 (sqrt (fmax t_2 t_1))))
(if (>= t_2 t_1) (* (floor h) (/ dX.v 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(h) * dY_46_v;
float t_1 = powf(hypotf((floorf(w) * dY_46_u), t_0), 2.0f);
float t_2 = powf(hypotf((dX_46_u * floorf(w)), (dX_46_v * floorf(h))), 2.0f);
float t_3 = sqrtf(fmaxf(t_2, t_1));
float tmp;
if (t_2 >= t_1) {
tmp = floorf(h) * (dX_46_v / 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(h) * dY_46_v) t_1 = hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0) t_2 = hypot(Float32(dX_46_u * floor(w)), Float32(dX_46_v * floor(h))) ^ Float32(2.0) t_3 = sqrt(((t_2 != t_2) ? t_1 : ((t_1 != t_1) ? t_2 : max(t_2, t_1)))) tmp = Float32(0.0) if (t_2 >= t_1) tmp = Float32(floor(h) * Float32(dX_46_v / 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(h) * dY_46_v; t_1 = hypot((floor(w) * dY_46_u), t_0) ^ single(2.0); t_2 = hypot((dX_46_u * floor(w)), (dX_46_v * floor(h))) ^ single(2.0); t_3 = sqrt(max(t_2, t_1)); tmp = single(0.0); if (t_2 >= t_1) tmp = floor(h) * (dX_46_v / t_3); else tmp = t_0 / t_3; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, t\_0\right)\right)}^{2}\\
t_2 := {\left(\mathsf{hypot}\left(dX.u \cdot \left\lfloorw\right\rfloor, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_2, t\_1\right)}\\
\mathbf{if}\;t\_2 \geq t\_1:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \frac{dX.v}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
Initial program 78.2%
Simplified78.4%
Applied egg-rr78.4%
Taylor expanded in w around 0 78.1%
Simplified78.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (pow (hypot (* dX.u (floor w)) (* dX.v (floor h))) 2.0))
(t_3 (fmax t_2 (pow (hypot t_1 t_0) 2.0)))
(t_4 (sqrt (/ 1.0 t_3)))
(t_5 (sqrt t_3)))
(if (<= dY.u 50.0)
(if (>= t_2 (pow t_1 2.0)) (* (floor h) (/ dX.v t_5)) (/ t_1 t_5))
(if (>= t_2 (pow t_0 2.0))
(* dX.v (* (floor h) t_4))
(* (floor h) (* dY.v 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 = floorf(h) * dY_46_v;
float t_2 = powf(hypotf((dX_46_u * floorf(w)), (dX_46_v * floorf(h))), 2.0f);
float t_3 = fmaxf(t_2, powf(hypotf(t_1, t_0), 2.0f));
float t_4 = sqrtf((1.0f / t_3));
float t_5 = sqrtf(t_3);
float tmp_1;
if (dY_46_u <= 50.0f) {
float tmp_2;
if (t_2 >= powf(t_1, 2.0f)) {
tmp_2 = floorf(h) * (dX_46_v / t_5);
} else {
tmp_2 = t_1 / t_5;
}
tmp_1 = tmp_2;
} else if (t_2 >= powf(t_0, 2.0f)) {
tmp_1 = dX_46_v * (floorf(h) * t_4);
} else {
tmp_1 = floorf(h) * (dY_46_v * t_4);
}
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) t_2 = hypot(Float32(dX_46_u * floor(w)), Float32(dX_46_v * floor(h))) ^ Float32(2.0) t_3 = (t_2 != t_2) ? (hypot(t_1, t_0) ^ Float32(2.0)) : (((hypot(t_1, t_0) ^ Float32(2.0)) != (hypot(t_1, t_0) ^ Float32(2.0))) ? t_2 : max(t_2, (hypot(t_1, t_0) ^ Float32(2.0)))) t_4 = sqrt(Float32(Float32(1.0) / t_3)) t_5 = sqrt(t_3) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(50.0)) tmp_2 = Float32(0.0) if (t_2 >= (t_1 ^ Float32(2.0))) tmp_2 = Float32(floor(h) * Float32(dX_46_v / t_5)); else tmp_2 = Float32(t_1 / t_5); end tmp_1 = tmp_2; elseif (t_2 >= (t_0 ^ Float32(2.0))) tmp_1 = Float32(dX_46_v * Float32(floor(h) * t_4)); else tmp_1 = Float32(floor(h) * Float32(dY_46_v * t_4)); 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(h) * dY_46_v; t_2 = hypot((dX_46_u * floor(w)), (dX_46_v * floor(h))) ^ single(2.0); t_3 = max(t_2, (hypot(t_1, t_0) ^ single(2.0))); t_4 = sqrt((single(1.0) / t_3)); t_5 = sqrt(t_3); tmp_2 = single(0.0); if (dY_46_u <= single(50.0)) tmp_3 = single(0.0); if (t_2 >= (t_1 ^ single(2.0))) tmp_3 = floor(h) * (dX_46_v / t_5); else tmp_3 = t_1 / t_5; end tmp_2 = tmp_3; elseif (t_2 >= (t_0 ^ single(2.0))) tmp_2 = dX_46_v * (floor(h) * t_4); else tmp_2 = floor(h) * (dY_46_v * t_4); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := {\left(\mathsf{hypot}\left(dX.u \cdot \left\lfloorw\right\rfloor, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}\\
t_3 := \mathsf{max}\left(t\_2, {\left(\mathsf{hypot}\left(t\_1, t\_0\right)\right)}^{2}\right)\\
t_4 := \sqrt{\frac{1}{t\_3}}\\
t_5 := \sqrt{t\_3}\\
\mathbf{if}\;dY.u \leq 50:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_2 \geq {t\_1}^{2}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \frac{dX.v}{t\_5}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{t\_5}\\
\end{array}\\
\mathbf{elif}\;t\_2 \geq {t\_0}^{2}:\\
\;\;\;\;dX.v \cdot \left(\left\lfloorh\right\rfloor \cdot t\_4\right)\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t\_4\right)\\
\end{array}
\end{array}
if dY.u < 50Initial program 81.8%
Simplified81.8%
Taylor expanded in w around 0 81.7%
Simplified81.6%
Taylor expanded in dY.v around inf 72.3%
*-commutative72.3%
unpow272.3%
unpow272.3%
swap-sqr72.3%
unpow272.3%
Simplified72.3%
Taylor expanded in dX.u around 0 72.4%
Simplified72.6%
if 50 < dY.u Initial program 69.0%
Simplified69.2%
Taylor expanded in w around 0 68.7%
Simplified68.7%
Taylor expanded in dY.v around 0 67.4%
*-commutative67.4%
unpow267.4%
unpow267.4%
swap-sqr67.4%
unpow267.4%
Simplified67.4%
(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) dY.v))
(t_2 (* dX.u (floor w)))
(t_3 (pow (hypot t_2 t_0) 2.0))
(t_4 (pow (hypot t_1 (* (floor w) dY.u)) 2.0))
(t_5 (sqrt (fmax (pow (hypot t_0 t_2) 2.0) t_4)))
(t_6 (sqrt (fmax t_3 t_4))))
(if (<= dY.u 1000000000.0)
(if (>= t_3 (pow t_1 2.0)) (* (floor h) (/ dX.v t_6)) (/ t_1 t_6))
(if (>= (pow t_0 2.0) t_4)
(* dX.v (/ (floor h) t_5))
(* (floor h) (/ dY.v t_5))))))
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) * dY_46_v;
float t_2 = dX_46_u * floorf(w);
float t_3 = powf(hypotf(t_2, t_0), 2.0f);
float t_4 = powf(hypotf(t_1, (floorf(w) * dY_46_u)), 2.0f);
float t_5 = sqrtf(fmaxf(powf(hypotf(t_0, t_2), 2.0f), t_4));
float t_6 = sqrtf(fmaxf(t_3, t_4));
float tmp_1;
if (dY_46_u <= 1000000000.0f) {
float tmp_2;
if (t_3 >= powf(t_1, 2.0f)) {
tmp_2 = floorf(h) * (dX_46_v / t_6);
} else {
tmp_2 = t_1 / t_6;
}
tmp_1 = tmp_2;
} else if (powf(t_0, 2.0f) >= t_4) {
tmp_1 = dX_46_v * (floorf(h) / t_5);
} else {
tmp_1 = floorf(h) * (dY_46_v / t_5);
}
return tmp_1;
}
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) * dY_46_v) t_2 = Float32(dX_46_u * floor(w)) t_3 = hypot(t_2, t_0) ^ Float32(2.0) t_4 = hypot(t_1, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_5 = sqrt((((hypot(t_0, t_2) ^ Float32(2.0)) != (hypot(t_0, t_2) ^ Float32(2.0))) ? t_4 : ((t_4 != t_4) ? (hypot(t_0, t_2) ^ Float32(2.0)) : max((hypot(t_0, t_2) ^ Float32(2.0)), t_4)))) t_6 = sqrt(((t_3 != t_3) ? t_4 : ((t_4 != t_4) ? t_3 : max(t_3, t_4)))) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(1000000000.0)) tmp_2 = Float32(0.0) if (t_3 >= (t_1 ^ Float32(2.0))) tmp_2 = Float32(floor(h) * Float32(dX_46_v / t_6)); else tmp_2 = Float32(t_1 / t_6); end tmp_1 = tmp_2; elseif ((t_0 ^ Float32(2.0)) >= t_4) tmp_1 = Float32(dX_46_v * Float32(floor(h) / t_5)); else tmp_1 = Float32(floor(h) * Float32(dY_46_v / t_5)); 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 = dX_46_v * floor(h); t_1 = floor(h) * dY_46_v; t_2 = dX_46_u * floor(w); t_3 = hypot(t_2, t_0) ^ single(2.0); t_4 = hypot(t_1, (floor(w) * dY_46_u)) ^ single(2.0); t_5 = sqrt(max((hypot(t_0, t_2) ^ single(2.0)), t_4)); t_6 = sqrt(max(t_3, t_4)); tmp_2 = single(0.0); if (dY_46_u <= single(1000000000.0)) tmp_3 = single(0.0); if (t_3 >= (t_1 ^ single(2.0))) tmp_3 = floor(h) * (dX_46_v / t_6); else tmp_3 = t_1 / t_6; end tmp_2 = tmp_3; elseif ((t_0 ^ single(2.0)) >= t_4) tmp_2 = dX_46_v * (floor(h) / t_5); else tmp_2 = floor(h) * (dY_46_v / t_5); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := {\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}\\
t_4 := {\left(\mathsf{hypot}\left(t\_1, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_5 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_0, t\_2\right)\right)}^{2}, t\_4\right)}\\
t_6 := \sqrt{\mathsf{max}\left(t\_3, t\_4\right)}\\
\mathbf{if}\;dY.u \leq 1000000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_3 \geq {t\_1}^{2}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \frac{dX.v}{t\_6}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{t\_6}\\
\end{array}\\
\mathbf{elif}\;{t\_0}^{2} \geq t\_4:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{t\_5}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \frac{dY.v}{t\_5}\\
\end{array}
\end{array}
if dY.u < 1e9Initial program 82.7%
Simplified82.8%
Taylor expanded in w around 0 82.5%
Simplified82.4%
Taylor expanded in dY.v around inf 74.2%
*-commutative74.2%
unpow274.2%
unpow274.2%
swap-sqr74.2%
unpow274.2%
Simplified74.2%
Taylor expanded in dX.u around 0 74.3%
Simplified74.5%
if 1e9 < dY.u Initial program 54.1%
Simplified54.1%
Taylor expanded in w around 0 53.9%
Simplified53.9%
unpow253.9%
hypot-undefine53.9%
+-commutative53.9%
hypot-undefine53.9%
+-commutative53.9%
add-sqr-sqrt53.9%
associate-*r*53.9%
fma-define53.9%
pow253.9%
Applied egg-rr53.9%
Taylor expanded in dX.u around 0 49.4%
*-commutative49.4%
unpow249.4%
unpow249.4%
swap-sqr49.4%
unpow249.4%
*-commutative49.4%
Simplified49.4%
Taylor expanded in dX.v around 0 49.3%
Simplified49.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (* (floor h) dY.v))
(t_2 (pow (hypot t_1 (* (floor w) dY.u)) 2.0))
(t_3 (* dX.v (floor h)))
(t_4 (sqrt (fmax (pow (hypot t_3 t_0) 2.0) t_2)))
(t_5 (* (floor h) (/ dY.v t_4)))
(t_6 (* dX.v (/ (floor h) t_4))))
(if (<= dX.u 2000000.0)
(if (>= (pow t_3 2.0) t_2) t_6 t_5)
(if (>= (pow t_0 2.0) (pow t_1 2.0)) t_6 t_5))))
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_u * floorf(w);
float t_1 = floorf(h) * dY_46_v;
float t_2 = powf(hypotf(t_1, (floorf(w) * dY_46_u)), 2.0f);
float t_3 = dX_46_v * floorf(h);
float t_4 = sqrtf(fmaxf(powf(hypotf(t_3, t_0), 2.0f), t_2));
float t_5 = floorf(h) * (dY_46_v / t_4);
float t_6 = dX_46_v * (floorf(h) / t_4);
float tmp_1;
if (dX_46_u <= 2000000.0f) {
float tmp_2;
if (powf(t_3, 2.0f) >= t_2) {
tmp_2 = t_6;
} else {
tmp_2 = t_5;
}
tmp_1 = tmp_2;
} else if (powf(t_0, 2.0f) >= powf(t_1, 2.0f)) {
tmp_1 = t_6;
} else {
tmp_1 = t_5;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_u * floor(w)) t_1 = Float32(floor(h) * dY_46_v) t_2 = hypot(t_1, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_3 = Float32(dX_46_v * floor(h)) t_4 = sqrt((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), t_2)))) t_5 = Float32(floor(h) * Float32(dY_46_v / t_4)) t_6 = Float32(dX_46_v * Float32(floor(h) / t_4)) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(2000000.0)) tmp_2 = Float32(0.0) if ((t_3 ^ Float32(2.0)) >= t_2) tmp_2 = t_6; else tmp_2 = t_5; end tmp_1 = tmp_2; elseif ((t_0 ^ Float32(2.0)) >= (t_1 ^ Float32(2.0))) tmp_1 = t_6; else tmp_1 = t_5; 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 = dX_46_u * floor(w); t_1 = floor(h) * dY_46_v; t_2 = hypot(t_1, (floor(w) * dY_46_u)) ^ single(2.0); t_3 = dX_46_v * floor(h); t_4 = sqrt(max((hypot(t_3, t_0) ^ single(2.0)), t_2)); t_5 = floor(h) * (dY_46_v / t_4); t_6 = dX_46_v * (floor(h) / t_4); tmp_2 = single(0.0); if (dX_46_u <= single(2000000.0)) tmp_3 = single(0.0); if ((t_3 ^ single(2.0)) >= t_2) tmp_3 = t_6; else tmp_3 = t_5; end tmp_2 = tmp_3; elseif ((t_0 ^ single(2.0)) >= (t_1 ^ single(2.0))) tmp_2 = t_6; else tmp_2 = t_5; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := {\left(\mathsf{hypot}\left(t\_1, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_4 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}, t\_2\right)}\\
t_5 := \left\lfloorh\right\rfloor \cdot \frac{dY.v}{t\_4}\\
t_6 := dX.v \cdot \frac{\left\lfloorh\right\rfloor}{t\_4}\\
\mathbf{if}\;dX.u \leq 2000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_3}^{2} \geq t\_2:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{elif}\;{t\_0}^{2} \geq {t\_1}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
if dX.u < 2e6Initial program 80.0%
Simplified80.1%
Taylor expanded in w around 0 79.8%
Simplified79.8%
unpow279.8%
hypot-undefine79.8%
+-commutative79.8%
hypot-undefine79.8%
+-commutative79.8%
add-sqr-sqrt79.8%
associate-*r*79.8%
fma-define79.8%
pow279.8%
Applied egg-rr79.8%
Taylor expanded in dX.u around 0 70.1%
*-commutative70.1%
unpow270.1%
unpow270.1%
swap-sqr70.1%
unpow270.1%
*-commutative70.1%
Simplified70.1%
Taylor expanded in dX.v around 0 70.1%
Simplified70.3%
if 2e6 < dX.u Initial program 70.1%
Simplified69.8%
Taylor expanded in w around 0 70.1%
Simplified69.8%
Taylor expanded in dY.v around inf 65.9%
*-commutative65.9%
unpow265.9%
unpow265.9%
swap-sqr65.9%
unpow265.9%
Simplified65.9%
Taylor expanded in dX.u around inf 65.9%
unpow265.9%
unpow265.9%
swap-sqr65.9%
unpow265.9%
Simplified65.9%
Taylor expanded in dX.u around 0 66.2%
Simplified65.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot t_0 (* (floor w) dY.u)) 2.0))
(t_2 (pow t_0 2.0))
(t_3 (* dX.v (floor h)))
(t_4 (* dX.u (floor w)))
(t_5 (sqrt (/ 1.0 (fmax (pow (hypot t_4 t_3) 2.0) t_1))))
(t_6 (sqrt (fmax (pow (hypot t_3 t_4) 2.0) t_1))))
(if (<= (floor w) 850.0)
(if (>= (pow t_3 2.0) t_2)
(* dX.v (* (floor h) t_5))
(* (floor h) (* dY.v t_5)))
(if (>= (pow t_4 2.0) t_2)
(* dX.v (/ (floor h) t_6))
(* (floor h) (/ dY.v t_6))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f);
float t_2 = powf(t_0, 2.0f);
float t_3 = dX_46_v * floorf(h);
float t_4 = dX_46_u * floorf(w);
float t_5 = sqrtf((1.0f / fmaxf(powf(hypotf(t_4, t_3), 2.0f), t_1)));
float t_6 = sqrtf(fmaxf(powf(hypotf(t_3, t_4), 2.0f), t_1));
float tmp_1;
if (floorf(w) <= 850.0f) {
float tmp_2;
if (powf(t_3, 2.0f) >= t_2) {
tmp_2 = dX_46_v * (floorf(h) * t_5);
} else {
tmp_2 = floorf(h) * (dY_46_v * t_5);
}
tmp_1 = tmp_2;
} else if (powf(t_4, 2.0f) >= t_2) {
tmp_1 = dX_46_v * (floorf(h) / t_6);
} else {
tmp_1 = floorf(h) * (dY_46_v / t_6);
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_2 = t_0 ^ Float32(2.0) t_3 = Float32(dX_46_v * floor(h)) t_4 = Float32(dX_46_u * floor(w)) t_5 = sqrt(Float32(Float32(1.0) / (((hypot(t_4, t_3) ^ Float32(2.0)) != (hypot(t_4, t_3) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(t_4, t_3) ^ Float32(2.0)) : max((hypot(t_4, t_3) ^ Float32(2.0)), t_1))))) t_6 = sqrt((((hypot(t_3, t_4) ^ Float32(2.0)) != (hypot(t_3, t_4) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(t_3, t_4) ^ Float32(2.0)) : max((hypot(t_3, t_4) ^ Float32(2.0)), t_1)))) tmp_1 = Float32(0.0) if (floor(w) <= Float32(850.0)) tmp_2 = Float32(0.0) if ((t_3 ^ Float32(2.0)) >= t_2) tmp_2 = Float32(dX_46_v * Float32(floor(h) * t_5)); else tmp_2 = Float32(floor(h) * Float32(dY_46_v * t_5)); end tmp_1 = tmp_2; elseif ((t_4 ^ Float32(2.0)) >= t_2) tmp_1 = Float32(dX_46_v * Float32(floor(h) / t_6)); else tmp_1 = Float32(floor(h) * Float32(dY_46_v / t_6)); end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = hypot(t_0, (floor(w) * dY_46_u)) ^ single(2.0); t_2 = t_0 ^ single(2.0); t_3 = dX_46_v * floor(h); t_4 = dX_46_u * floor(w); t_5 = sqrt((single(1.0) / max((hypot(t_4, t_3) ^ single(2.0)), t_1))); t_6 = sqrt(max((hypot(t_3, t_4) ^ single(2.0)), t_1)); tmp_2 = single(0.0); if (floor(w) <= single(850.0)) tmp_3 = single(0.0); if ((t_3 ^ single(2.0)) >= t_2) tmp_3 = dX_46_v * (floor(h) * t_5); else tmp_3 = floor(h) * (dY_46_v * t_5); end tmp_2 = tmp_3; elseif ((t_4 ^ single(2.0)) >= t_2) tmp_2 = dX_46_v * (floor(h) / t_6); else tmp_2 = floor(h) * (dY_46_v / t_6); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_2 := {t\_0}^{2}\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_4 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_5 := \sqrt{\frac{1}{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_4, t\_3\right)\right)}^{2}, t\_1\right)}}\\
t_6 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_4\right)\right)}^{2}, t\_1\right)}\\
\mathbf{if}\;\left\lfloorw\right\rfloor \leq 850:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_3}^{2} \geq t\_2:\\
\;\;\;\;dX.v \cdot \left(\left\lfloorh\right\rfloor \cdot t\_5\right)\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t\_5\right)\\
\end{array}\\
\mathbf{elif}\;{t\_4}^{2} \geq t\_2:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{t\_6}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \frac{dY.v}{t\_6}\\
\end{array}
\end{array}
if (floor.f32 w) < 850Initial program 79.4%
Simplified79.5%
Taylor expanded in w around 0 79.2%
Simplified79.1%
Taylor expanded in dY.v around inf 68.4%
*-commutative68.4%
unpow268.4%
unpow268.4%
swap-sqr68.4%
unpow268.4%
Simplified68.4%
Taylor expanded in dX.u around 0 66.9%
*-commutative68.5%
unpow268.5%
unpow268.5%
swap-sqr68.5%
unpow268.5%
*-commutative68.5%
Simplified66.9%
if 850 < (floor.f32 w) Initial program 75.5%
Simplified75.4%
Taylor expanded in w around 0 75.3%
Simplified75.3%
Taylor expanded in dY.v around inf 64.6%
*-commutative64.6%
unpow264.6%
unpow264.6%
swap-sqr64.6%
unpow264.6%
Simplified64.6%
Taylor expanded in dX.u around inf 64.5%
unpow264.5%
unpow264.5%
swap-sqr64.5%
unpow264.5%
Simplified64.5%
Taylor expanded in dX.u around 0 64.5%
Simplified64.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* dX.u (floor w)))
(t_2
(sqrt
(fmax
(pow (hypot (* dX.v (floor h)) t_1) 2.0)
(pow (hypot t_0 (* (floor w) dY.u)) 2.0)))))
(if (>= (pow t_1 2.0) (pow t_0 2.0))
(* dX.v (/ (floor h) t_2))
(* (floor h) (/ dY.v t_2)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = dX_46_u * floorf(w);
float t_2 = sqrtf(fmaxf(powf(hypotf((dX_46_v * floorf(h)), t_1), 2.0f), powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f)));
float tmp;
if (powf(t_1, 2.0f) >= powf(t_0, 2.0f)) {
tmp = dX_46_v * (floorf(h) / t_2);
} else {
tmp = floorf(h) * (dY_46_v / t_2);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(dX_46_u * floor(w)) t_2 = sqrt((((hypot(Float32(dX_46_v * floor(h)), t_1) ^ Float32(2.0)) != (hypot(Float32(dX_46_v * floor(h)), t_1) ^ Float32(2.0))) ? (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) : (((hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0)) != (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0))) ? (hypot(Float32(dX_46_v * floor(h)), t_1) ^ Float32(2.0)) : max((hypot(Float32(dX_46_v * floor(h)), t_1) ^ Float32(2.0)), (hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0)))))) tmp = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= (t_0 ^ Float32(2.0))) tmp = Float32(dX_46_v * Float32(floor(h) / t_2)); else tmp = Float32(floor(h) * Float32(dY_46_v / t_2)); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = dX_46_u * floor(w); t_2 = sqrt(max((hypot((dX_46_v * floor(h)), t_1) ^ single(2.0)), (hypot(t_0, (floor(w) * dY_46_u)) ^ single(2.0)))); tmp = single(0.0); if ((t_1 ^ single(2.0)) >= (t_0 ^ single(2.0))) tmp = dX_46_v * (floor(h) / t_2); else tmp = floor(h) * (dY_46_v / t_2); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_2 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(dX.v \cdot \left\lfloorh\right\rfloor, t\_1\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_0, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\right)}\\
\mathbf{if}\;{t\_1}^{2} \geq {t\_0}^{2}:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{t\_2}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \frac{dY.v}{t\_2}\\
\end{array}
\end{array}
Initial program 78.2%
Simplified78.3%
Taylor expanded in w around 0 78.1%
Simplified78.0%
Taylor expanded in dY.v around inf 67.2%
*-commutative67.2%
unpow267.2%
unpow267.2%
swap-sqr67.2%
unpow267.2%
Simplified67.2%
Taylor expanded in dX.u around inf 61.3%
unpow261.3%
unpow261.3%
swap-sqr61.3%
unpow261.3%
Simplified61.3%
Taylor expanded in dX.u around 0 61.4%
Simplified61.4%
herbie shell --seed 2024155
(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))))