
(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(((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_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\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\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\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_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(((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_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\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\_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 (hypot t_0 (* (floor h) dY.v)) 2.0))
(t_2 (* dX.u (floor w)))
(t_3 (pow (hypot t_2 (* dX.v (floor h))) 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(w) * dY_46_u;
float t_1 = powf(hypotf(t_0, (floorf(h) * dY_46_v)), 2.0f);
float t_2 = dX_46_u * floorf(w);
float t_3 = powf(hypotf(t_2, (dX_46_v * floorf(h))), 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(w) * dY_46_u) t_1 = hypot(t_0, Float32(floor(h) * dY_46_v)) ^ Float32(2.0) t_2 = Float32(dX_46_u * floor(w)) t_3 = hypot(t_2, Float32(dX_46_v * floor(h))) ^ 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(w) * dY_46_u; t_1 = hypot(t_0, (floor(h) * dY_46_v)) ^ single(2.0); t_2 = dX_46_u * floor(w); t_3 = hypot(t_2, (dX_46_v * floor(h))) ^ 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\lfloorw\right\rfloor \cdot dY.u\\
t_1 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorh\right\rfloor \cdot dY.v\right)\right)}^{2}\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := {\left(\mathsf{hypot}\left(t\_2, dX.v \cdot \left\lfloorh\right\rfloor\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 78.5%
add-cube-cbrt78.3%
pow378.3%
cbrt-prod78.0%
pow278.0%
Applied egg-rr78.0%
Applied egg-rr78.6%
Taylor expanded in w around 0 78.3%
Simplified78.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* dX.v (floor h)))
(t_2 (* dX.u (floor w)))
(t_3 (pow (hypot t_2 t_1) 2.0))
(t_4 (* (floor w) dY.u))
(t_5 (pow (hypot t_0 t_4) 2.0))
(t_6 (sqrt (fmax t_3 (pow (hypot t_4 t_0) 2.0))))
(t_7 (sqrt (/ 1.0 (fmax t_3 t_5)))))
(if (<= dY.v 4000000.0)
(if (>= t_3 (pow t_4 2.0)) (/ t_2 t_6) (/ t_4 t_6))
(if (>= (pow t_1 2.0) t_5)
(* (floor w) (* dX.u t_7))
(* (floor w) (* dY.u 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(h) * dY_46_v;
float t_1 = dX_46_v * floorf(h);
float t_2 = dX_46_u * floorf(w);
float t_3 = powf(hypotf(t_2, t_1), 2.0f);
float t_4 = floorf(w) * dY_46_u;
float t_5 = powf(hypotf(t_0, t_4), 2.0f);
float t_6 = sqrtf(fmaxf(t_3, powf(hypotf(t_4, t_0), 2.0f)));
float t_7 = sqrtf((1.0f / fmaxf(t_3, t_5)));
float tmp_1;
if (dY_46_v <= 4000000.0f) {
float tmp_2;
if (t_3 >= powf(t_4, 2.0f)) {
tmp_2 = t_2 / t_6;
} else {
tmp_2 = t_4 / t_6;
}
tmp_1 = tmp_2;
} else if (powf(t_1, 2.0f) >= t_5) {
tmp_1 = floorf(w) * (dX_46_u * t_7);
} else {
tmp_1 = floorf(w) * (dY_46_u * 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(h) * dY_46_v) t_1 = Float32(dX_46_v * floor(h)) t_2 = Float32(dX_46_u * floor(w)) t_3 = hypot(t_2, t_1) ^ Float32(2.0) t_4 = Float32(floor(w) * dY_46_u) t_5 = hypot(t_0, t_4) ^ Float32(2.0) t_6 = sqrt(((t_3 != t_3) ? (hypot(t_4, t_0) ^ Float32(2.0)) : (((hypot(t_4, t_0) ^ Float32(2.0)) != (hypot(t_4, t_0) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_4, t_0) ^ Float32(2.0)))))) t_7 = sqrt(Float32(Float32(1.0) / ((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(4000000.0)) tmp_2 = Float32(0.0) if (t_3 >= (t_4 ^ Float32(2.0))) tmp_2 = Float32(t_2 / t_6); else tmp_2 = Float32(t_4 / t_6); end tmp_1 = tmp_2; elseif ((t_1 ^ Float32(2.0)) >= t_5) tmp_1 = Float32(floor(w) * Float32(dX_46_u * t_7)); else tmp_1 = Float32(floor(w) * Float32(dY_46_u * 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(h) * dY_46_v; t_1 = dX_46_v * floor(h); t_2 = dX_46_u * floor(w); t_3 = hypot(t_2, t_1) ^ single(2.0); t_4 = floor(w) * dY_46_u; t_5 = hypot(t_0, t_4) ^ single(2.0); t_6 = sqrt(max(t_3, (hypot(t_4, t_0) ^ single(2.0)))); t_7 = sqrt((single(1.0) / max(t_3, t_5))); tmp_2 = single(0.0); if (dY_46_v <= single(4000000.0)) tmp_3 = single(0.0); if (t_3 >= (t_4 ^ single(2.0))) tmp_3 = t_2 / t_6; else tmp_3 = t_4 / t_6; end tmp_2 = tmp_3; elseif ((t_1 ^ single(2.0)) >= t_5) tmp_2 = floor(w) * (dX_46_u * t_7); else tmp_2 = floor(w) * (dY_46_u * t_7); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := {\left(\mathsf{hypot}\left(t\_2, t\_1\right)\right)}^{2}\\
t_4 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_5 := {\left(\mathsf{hypot}\left(t\_0, t\_4\right)\right)}^{2}\\
t_6 := \sqrt{\mathsf{max}\left(t\_3, {\left(\mathsf{hypot}\left(t\_4, t\_0\right)\right)}^{2}\right)}\\
t_7 := \sqrt{\frac{1}{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;dY.v \leq 4000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_3 \geq {t\_4}^{2}:\\
\;\;\;\;\frac{t\_2}{t\_6}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{t\_6}\\
\end{array}\\
\mathbf{elif}\;{t\_1}^{2} \geq t\_5:\\
\;\;\;\;\left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_7\right)\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorw\right\rfloor \cdot \left(dY.u \cdot t\_7\right)\\
\end{array}
\end{array}
if dY.v < 4e6Initial program 79.6%
add-cube-cbrt79.4%
pow379.4%
cbrt-prod79.1%
pow279.1%
Applied egg-rr79.1%
Applied egg-rr79.7%
Taylor expanded in w around 0 79.3%
Simplified79.9%
Taylor expanded in dY.u around inf 73.2%
*-commutative73.2%
unpow273.2%
unpow273.2%
swap-sqr73.2%
unpow273.2%
Simplified73.2%
if 4e6 < dY.v Initial program 71.8%
Simplified72.1%
Taylor expanded in w around 0 72.3%
Simplified71.3%
Taylor expanded in dX.u around 0 68.9%
unpow268.9%
unpow268.9%
swap-sqr68.9%
unpow268.9%
Simplified68.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dY.u))
(t_2 (* dX.u (floor w)))
(t_3 (pow (hypot t_2 (* dX.v (floor h))) 2.0))
(t_4 (sqrt (fmax t_3 (pow (hypot t_1 t_0) 2.0))))
(t_5 (/ t_1 t_4))
(t_6 (/ t_2 t_4)))
(if (<= dY.v 11500000.0)
(if (>= t_3 (pow t_1 2.0)) t_6 t_5)
(if (>= (pow t_2 2.0) (pow t_0 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 = floorf(h) * dY_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = dX_46_u * floorf(w);
float t_3 = powf(hypotf(t_2, (dX_46_v * floorf(h))), 2.0f);
float t_4 = sqrtf(fmaxf(t_3, powf(hypotf(t_1, t_0), 2.0f)));
float t_5 = t_1 / t_4;
float t_6 = t_2 / t_4;
float tmp_1;
if (dY_46_v <= 11500000.0f) {
float tmp_2;
if (t_3 >= powf(t_1, 2.0f)) {
tmp_2 = t_6;
} else {
tmp_2 = t_5;
}
tmp_1 = tmp_2;
} else if (powf(t_2, 2.0f) >= powf(t_0, 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(floor(h) * dY_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(dX_46_u * floor(w)) t_3 = hypot(t_2, Float32(dX_46_v * floor(h))) ^ Float32(2.0) t_4 = sqrt(((t_3 != t_3) ? (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_3 : max(t_3, (hypot(t_1, t_0) ^ Float32(2.0)))))) t_5 = Float32(t_1 / t_4) t_6 = Float32(t_2 / t_4) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(11500000.0)) tmp_2 = Float32(0.0) if (t_3 >= (t_1 ^ Float32(2.0))) tmp_2 = t_6; else tmp_2 = t_5; end tmp_1 = tmp_2; elseif ((t_2 ^ Float32(2.0)) >= (t_0 ^ 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 = floor(h) * dY_46_v; t_1 = floor(w) * dY_46_u; t_2 = dX_46_u * floor(w); t_3 = hypot(t_2, (dX_46_v * floor(h))) ^ single(2.0); t_4 = sqrt(max(t_3, (hypot(t_1, t_0) ^ single(2.0)))); t_5 = t_1 / t_4; t_6 = t_2 / t_4; tmp_2 = single(0.0); if (dY_46_v <= single(11500000.0)) tmp_3 = single(0.0); if (t_3 >= (t_1 ^ single(2.0))) tmp_3 = t_6; else tmp_3 = t_5; end tmp_2 = tmp_3; elseif ((t_2 ^ single(2.0)) >= (t_0 ^ 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 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := {\left(\mathsf{hypot}\left(t\_2, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_3, {\left(\mathsf{hypot}\left(t\_1, t\_0\right)\right)}^{2}\right)}\\
t_5 := \frac{t\_1}{t\_4}\\
t_6 := \frac{t\_2}{t\_4}\\
\mathbf{if}\;dY.v \leq 11500000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_3 \geq {t\_1}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{elif}\;{t\_2}^{2} \geq {t\_0}^{2}:\\
\;\;\;\;t\_6\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
if dY.v < 1.15e7Initial program 79.5%
add-cube-cbrt79.3%
pow379.4%
cbrt-prod79.0%
pow279.0%
Applied egg-rr79.0%
Applied egg-rr79.6%
Taylor expanded in w around 0 79.2%
Simplified79.8%
Taylor expanded in dY.u around inf 72.8%
*-commutative72.8%
unpow272.8%
unpow272.8%
swap-sqr72.8%
unpow272.8%
Simplified72.8%
if 1.15e7 < dY.v Initial program 71.3%
Simplified71.5%
Taylor expanded in w around 0 71.7%
Simplified70.8%
Taylor expanded in dX.u around inf 60.4%
*-commutative60.4%
unpow260.4%
unpow260.4%
swap-sqr60.4%
unpow260.4%
*-commutative60.4%
Simplified60.4%
Taylor expanded in dX.u around 0 61.1%
Simplified60.9%
Taylor expanded in dY.u around 0 63.8%
*-commutative63.8%
unpow263.8%
unpow263.8%
swap-sqr63.8%
unpow263.8%
Simplified63.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* dX.u (floor w)))
(t_2 (pow (hypot t_0 (* (floor h) dY.v)) 2.0))
(t_3 (sqrt (fmax (pow (hypot t_1 (* dX.v (floor h))) 2.0) t_2))))
(if (>= (pow t_1 2.0) t_2) (/ t_1 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 = dX_46_u * floorf(w);
float t_2 = powf(hypotf(t_0, (floorf(h) * dY_46_v)), 2.0f);
float t_3 = sqrtf(fmaxf(powf(hypotf(t_1, (dX_46_v * floorf(h))), 2.0f), t_2));
float tmp;
if (powf(t_1, 2.0f) >= t_2) {
tmp = t_1 / 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(dX_46_u * floor(w)) t_2 = hypot(t_0, Float32(floor(h) * dY_46_v)) ^ Float32(2.0) t_3 = sqrt((((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) != (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) : max((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)), t_2)))) tmp = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= t_2) tmp = Float32(t_1 / 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 = dX_46_u * floor(w); t_2 = hypot(t_0, (floor(h) * dY_46_v)) ^ single(2.0); t_3 = sqrt(max((hypot(t_1, (dX_46_v * floor(h))) ^ single(2.0)), t_2)); tmp = single(0.0); if ((t_1 ^ single(2.0)) >= t_2) tmp = t_1 / t_3; else tmp = t_0 / t_3; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_1 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_2 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorh\right\rfloor \cdot dY.v\right)\right)}^{2}\\
t_3 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_1, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}, t\_2\right)}\\
\mathbf{if}\;{t\_1}^{2} \geq t\_2:\\
\;\;\;\;\frac{t\_1}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
Initial program 78.5%
Simplified78.4%
Taylor expanded in w around 0 78.3%
Simplified78.0%
Taylor expanded in dX.u around inf 65.6%
*-commutative65.6%
unpow265.6%
unpow265.6%
swap-sqr65.6%
unpow265.6%
*-commutative65.6%
Simplified65.6%
Taylor expanded in dX.u around 0 65.9%
Simplified66.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* dX.u (floor w)))
(t_2 (pow (hypot t_0 (* (floor h) dY.v)) 2.0))
(t_3 (sqrt (fmax (pow (hypot t_1 (* dX.v (floor h))) 2.0) t_2))))
(if (>= (pow t_1 2.0) t_2) (* dX.u (/ (floor w) 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 = dX_46_u * floorf(w);
float t_2 = powf(hypotf(t_0, (floorf(h) * dY_46_v)), 2.0f);
float t_3 = sqrtf(fmaxf(powf(hypotf(t_1, (dX_46_v * floorf(h))), 2.0f), t_2));
float tmp;
if (powf(t_1, 2.0f) >= t_2) {
tmp = dX_46_u * (floorf(w) / 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(dX_46_u * floor(w)) t_2 = hypot(t_0, Float32(floor(h) * dY_46_v)) ^ Float32(2.0) t_3 = sqrt((((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) != (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) : max((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)), t_2)))) tmp = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= t_2) tmp = Float32(dX_46_u * Float32(floor(w) / 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 = dX_46_u * floor(w); t_2 = hypot(t_0, (floor(h) * dY_46_v)) ^ single(2.0); t_3 = sqrt(max((hypot(t_1, (dX_46_v * floor(h))) ^ single(2.0)), t_2)); tmp = single(0.0); if ((t_1 ^ single(2.0)) >= t_2) tmp = dX_46_u * (floor(w) / t_3); else tmp = t_0 / t_3; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_1 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_2 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorh\right\rfloor \cdot dY.v\right)\right)}^{2}\\
t_3 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_1, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}, t\_2\right)}\\
\mathbf{if}\;{t\_1}^{2} \geq t\_2:\\
\;\;\;\;dX.u \cdot \frac{\left\lfloorw\right\rfloor}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\end{array}
\end{array}
Initial program 78.5%
Simplified78.4%
Taylor expanded in w around 0 78.3%
Simplified78.0%
Taylor expanded in dX.u around inf 65.6%
*-commutative65.6%
unpow265.6%
unpow265.6%
swap-sqr65.6%
unpow265.6%
*-commutative65.6%
Simplified65.6%
Taylor expanded in dX.u around 0 65.9%
Simplified66.3%
Taylor expanded in dX.u around 0 65.9%
Simplified66.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dY.u))
(t_2 (* dX.u (floor w)))
(t_3
(sqrt
(fmax
(pow (hypot t_2 (* dX.v (floor h))) 2.0)
(pow (hypot t_1 t_0) 2.0))))
(t_4 (/ t_1 t_3))
(t_5 (/ t_2 t_3))
(t_6 (pow t_2 2.0)))
(if (<= dY.v 11500000.0)
(if (>= t_6 (pow t_1 2.0)) t_5 t_4)
(if (>= t_6 (pow t_0 2.0)) t_5 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 = floorf(w) * dY_46_u;
float t_2 = dX_46_u * floorf(w);
float t_3 = sqrtf(fmaxf(powf(hypotf(t_2, (dX_46_v * floorf(h))), 2.0f), powf(hypotf(t_1, t_0), 2.0f)));
float t_4 = t_1 / t_3;
float t_5 = t_2 / t_3;
float t_6 = powf(t_2, 2.0f);
float tmp_1;
if (dY_46_v <= 11500000.0f) {
float tmp_2;
if (t_6 >= powf(t_1, 2.0f)) {
tmp_2 = t_5;
} else {
tmp_2 = t_4;
}
tmp_1 = tmp_2;
} else if (t_6 >= powf(t_0, 2.0f)) {
tmp_1 = t_5;
} else {
tmp_1 = 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(h) * dY_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(dX_46_u * floor(w)) t_3 = sqrt((((hypot(t_2, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) != (hypot(t_2, Float32(dX_46_v * floor(h))) ^ Float32(2.0))) ? (hypot(t_1, t_0) ^ Float32(2.0)) : (((hypot(t_1, t_0) ^ Float32(2.0)) != (hypot(t_1, t_0) ^ Float32(2.0))) ? (hypot(t_2, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) : max((hypot(t_2, Float32(dX_46_v * floor(h))) ^ Float32(2.0)), (hypot(t_1, t_0) ^ Float32(2.0)))))) t_4 = Float32(t_1 / t_3) t_5 = Float32(t_2 / t_3) t_6 = t_2 ^ Float32(2.0) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(11500000.0)) tmp_2 = Float32(0.0) if (t_6 >= (t_1 ^ Float32(2.0))) tmp_2 = t_5; else tmp_2 = t_4; end tmp_1 = tmp_2; elseif (t_6 >= (t_0 ^ Float32(2.0))) tmp_1 = t_5; else tmp_1 = 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(h) * dY_46_v; t_1 = floor(w) * dY_46_u; t_2 = dX_46_u * floor(w); t_3 = sqrt(max((hypot(t_2, (dX_46_v * floor(h))) ^ single(2.0)), (hypot(t_1, t_0) ^ single(2.0)))); t_4 = t_1 / t_3; t_5 = t_2 / t_3; t_6 = t_2 ^ single(2.0); tmp_2 = single(0.0); if (dY_46_v <= single(11500000.0)) tmp_3 = single(0.0); if (t_6 >= (t_1 ^ single(2.0))) tmp_3 = t_5; else tmp_3 = t_4; end tmp_2 = tmp_3; elseif (t_6 >= (t_0 ^ single(2.0))) tmp_2 = t_5; else tmp_2 = t_4; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_1, t\_0\right)\right)}^{2}\right)}\\
t_4 := \frac{t\_1}{t\_3}\\
t_5 := \frac{t\_2}{t\_3}\\
t_6 := {t\_2}^{2}\\
\mathbf{if}\;dY.v \leq 11500000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_6 \geq {t\_1}^{2}:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}\\
\mathbf{elif}\;t\_6 \geq {t\_0}^{2}:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}
\end{array}
if dY.v < 1.15e7Initial program 79.5%
Simplified79.4%
Taylor expanded in w around 0 79.2%
Simplified79.0%
Taylor expanded in dX.u around inf 66.4%
*-commutative66.4%
unpow266.4%
unpow266.4%
swap-sqr66.4%
unpow266.4%
*-commutative66.4%
Simplified66.4%
Taylor expanded in dX.u around 0 66.5%
Simplified67.0%
Taylor expanded in dY.u around inf 64.0%
*-commutative72.8%
unpow272.8%
unpow272.8%
swap-sqr72.8%
unpow272.8%
Simplified64.0%
if 1.15e7 < dY.v Initial program 71.3%
Simplified71.5%
Taylor expanded in w around 0 71.7%
Simplified70.8%
Taylor expanded in dX.u around inf 60.4%
*-commutative60.4%
unpow260.4%
unpow260.4%
swap-sqr60.4%
unpow260.4%
*-commutative60.4%
Simplified60.4%
Taylor expanded in dX.u around 0 61.1%
Simplified60.9%
Taylor expanded in dY.u around 0 63.8%
*-commutative63.8%
unpow263.8%
unpow263.8%
swap-sqr63.8%
unpow263.8%
Simplified63.8%
(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 (* (floor w) dY.u))
(t_3
(sqrt
(fmax
(pow (hypot t_1 (* dX.v (floor h))) 2.0)
(pow (hypot t_2 t_0) 2.0)))))
(if (>= (pow t_1 2.0) (pow t_0 2.0)) (/ t_1 t_3) (/ t_2 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 = dX_46_u * floorf(w);
float t_2 = floorf(w) * dY_46_u;
float t_3 = sqrtf(fmaxf(powf(hypotf(t_1, (dX_46_v * floorf(h))), 2.0f), powf(hypotf(t_2, t_0), 2.0f)));
float tmp;
if (powf(t_1, 2.0f) >= powf(t_0, 2.0f)) {
tmp = t_1 / t_3;
} else {
tmp = t_2 / 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 = Float32(dX_46_u * floor(w)) t_2 = Float32(floor(w) * dY_46_u) t_3 = sqrt((((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) != (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0))) ? (hypot(t_2, t_0) ^ Float32(2.0)) : (((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) : max((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)), (hypot(t_2, t_0) ^ Float32(2.0)))))) tmp = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= (t_0 ^ Float32(2.0))) tmp = Float32(t_1 / t_3); else tmp = Float32(t_2 / 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 = dX_46_u * floor(w); t_2 = floor(w) * dY_46_u; t_3 = sqrt(max((hypot(t_1, (dX_46_v * floor(h))) ^ single(2.0)), (hypot(t_2, t_0) ^ single(2.0)))); tmp = single(0.0); if ((t_1 ^ single(2.0)) >= (t_0 ^ single(2.0))) tmp = t_1 / t_3; else tmp = t_2 / t_3; 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 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_1, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}\right)}\\
\mathbf{if}\;{t\_1}^{2} \geq {t\_0}^{2}:\\
\;\;\;\;\frac{t\_1}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_3}\\
\end{array}
\end{array}
Initial program 78.5%
Simplified78.4%
Taylor expanded in w around 0 78.3%
Simplified78.0%
Taylor expanded in dX.u around inf 65.6%
*-commutative65.6%
unpow265.6%
unpow265.6%
swap-sqr65.6%
unpow265.6%
*-commutative65.6%
Simplified65.6%
Taylor expanded in dX.u around 0 65.9%
Simplified66.3%
Taylor expanded in dY.u around 0 61.9%
*-commutative61.9%
unpow261.9%
unpow261.9%
swap-sqr61.9%
unpow261.9%
Simplified61.9%
herbie shell --seed 2024155
(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))))