
(FPCore (ux uy maxCos) :precision binary32 (let* ((t_0 (+ (- 1.0 ux) (* ux maxCos)))) (* (sin (* (* uy 2.0) PI)) (sqrt (- 1.0 (* t_0 t_0))))))
float code(float ux, float uy, float maxCos) {
float t_0 = (1.0f - ux) + (ux * maxCos);
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((1.0f - (t_0 * t_0)));
}
function code(ux, uy, maxCos) t_0 = Float32(Float32(Float32(1.0) - ux) + Float32(ux * maxCos)) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(Float32(1.0) - Float32(t_0 * t_0)))) end
function tmp = code(ux, uy, maxCos) t_0 = (single(1.0) - ux) + (ux * maxCos); tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((single(1.0) - (t_0 * t_0))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - t_0 \cdot t_0}
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 26 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (ux uy maxCos) :precision binary32 (let* ((t_0 (+ (- 1.0 ux) (* ux maxCos)))) (* (sin (* (* uy 2.0) PI)) (sqrt (- 1.0 (* t_0 t_0))))))
float code(float ux, float uy, float maxCos) {
float t_0 = (1.0f - ux) + (ux * maxCos);
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((1.0f - (t_0 * t_0)));
}
function code(ux, uy, maxCos) t_0 = Float32(Float32(Float32(1.0) - ux) + Float32(ux * maxCos)) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(Float32(1.0) - Float32(t_0 * t_0)))) end
function tmp = code(ux, uy, maxCos) t_0 = (single(1.0) - ux) + (ux * maxCos); tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((single(1.0) - (t_0 * t_0))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - t_0 \cdot t_0}
\end{array}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(*
(sin
(cbrt
(*
(pow (* uy 2.0) 3.0)
(* (cbrt PI) (* (* PI PI) (* (cbrt PI) (cbrt PI)))))))
(sqrt
(+
(* (pow ux 2.0) (* (- 1.0 maxCos) (+ -1.0 maxCos)))
(* ux (+ (- 1.0 maxCos) (- 1.0 maxCos)))))))
float code(float ux, float uy, float maxCos) {
return sinf(cbrtf((powf((uy * 2.0f), 3.0f) * (cbrtf(((float) M_PI)) * ((((float) M_PI) * ((float) M_PI)) * (cbrtf(((float) M_PI)) * cbrtf(((float) M_PI)))))))) * sqrtf(((powf(ux, 2.0f) * ((1.0f - maxCos) * (-1.0f + maxCos))) + (ux * ((1.0f - maxCos) + (1.0f - maxCos)))));
}
function code(ux, uy, maxCos) return Float32(sin(cbrt(Float32((Float32(uy * Float32(2.0)) ^ Float32(3.0)) * Float32(cbrt(Float32(pi)) * Float32(Float32(Float32(pi) * Float32(pi)) * Float32(cbrt(Float32(pi)) * cbrt(Float32(pi)))))))) * sqrt(Float32(Float32((ux ^ Float32(2.0)) * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(-1.0) + maxCos))) + Float32(ux * Float32(Float32(Float32(1.0) - maxCos) + Float32(Float32(1.0) - maxCos)))))) end
\begin{array}{l}
\\
\sin \left(\sqrt[3]{{\left(uy \cdot 2\right)}^{3} \cdot \left(\sqrt[3]{\pi} \cdot \left(\left(\pi \cdot \pi\right) \cdot \left(\sqrt[3]{\pi} \cdot \sqrt[3]{\pi}\right)\right)\right)}\right) \cdot \sqrt{{ux}^{2} \cdot \left(\left(1 - maxCos\right) \cdot \left(-1 + maxCos\right)\right) + ux \cdot \left(\left(1 - maxCos\right) + \left(1 - maxCos\right)\right)}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(*
(sqrt
(+
(* (pow ux 2.0) (* (- 1.0 maxCos) (+ -1.0 maxCos)))
(* ux (+ (- 1.0 maxCos) (- 1.0 maxCos)))))
(sin (cbrt (* (pow (* uy 2.0) 3.0) (pow PI 3.0))))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((powf(ux, 2.0f) * ((1.0f - maxCos) * (-1.0f + maxCos))) + (ux * ((1.0f - maxCos) + (1.0f - maxCos))))) * sinf(cbrtf((powf((uy * 2.0f), 3.0f) * powf(((float) M_PI), 3.0f))));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(Float32((ux ^ Float32(2.0)) * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(-1.0) + maxCos))) + Float32(ux * Float32(Float32(Float32(1.0) - maxCos) + Float32(Float32(1.0) - maxCos))))) * sin(cbrt(Float32((Float32(uy * Float32(2.0)) ^ Float32(3.0)) * (Float32(pi) ^ Float32(3.0)))))) end
\begin{array}{l}
\\
\sqrt{{ux}^{2} \cdot \left(\left(1 - maxCos\right) \cdot \left(-1 + maxCos\right)\right) + ux \cdot \left(\left(1 - maxCos\right) + \left(1 - maxCos\right)\right)} \cdot \sin \left(\sqrt[3]{{\left(uy \cdot 2\right)}^{3} \cdot {\pi}^{3}}\right)
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(*
(sqrt
(+
(* (pow ux 2.0) (* (- 1.0 maxCos) (+ -1.0 maxCos)))
(* ux (+ (- 1.0 maxCos) (- 1.0 maxCos)))))
(* 2.0 (* (sin (* uy PI)) (cos (* uy PI))))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((powf(ux, 2.0f) * ((1.0f - maxCos) * (-1.0f + maxCos))) + (ux * ((1.0f - maxCos) + (1.0f - maxCos))))) * (2.0f * (sinf((uy * ((float) M_PI))) * cosf((uy * ((float) M_PI)))));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(Float32((ux ^ Float32(2.0)) * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(-1.0) + maxCos))) + Float32(ux * Float32(Float32(Float32(1.0) - maxCos) + Float32(Float32(1.0) - maxCos))))) * Float32(Float32(2.0) * Float32(sin(Float32(uy * Float32(pi))) * cos(Float32(uy * Float32(pi)))))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((((ux ^ single(2.0)) * ((single(1.0) - maxCos) * (single(-1.0) + maxCos))) + (ux * ((single(1.0) - maxCos) + (single(1.0) - maxCos))))) * (single(2.0) * (sin((uy * single(pi))) * cos((uy * single(pi))))); end
\begin{array}{l}
\\
\sqrt{{ux}^{2} \cdot \left(\left(1 - maxCos\right) \cdot \left(-1 + maxCos\right)\right) + ux \cdot \left(\left(1 - maxCos\right) + \left(1 - maxCos\right)\right)} \cdot \left(2 \cdot \left(\sin \left(uy \cdot \pi\right) \cdot \cos \left(uy \cdot \pi\right)\right)\right)
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* (* uy 2.0) PI)))
(if (<= maxCos 1.2000000424450263e-6)
(* (sin t_0) (sqrt (* ux (- (- ux) -2.0))))
(*
t_0
(sqrt
(-
(fma
ux
(* (- 1.0 maxCos) -2.0)
(* (+ -1.0 maxCos) (* (+ -1.0 maxCos) (pow ux 2.0))))))))))
float code(float ux, float uy, float maxCos) {
float t_0 = (uy * 2.0f) * ((float) M_PI);
float tmp;
if (maxCos <= 1.2000000424450263e-6f) {
tmp = sinf(t_0) * sqrtf((ux * (-ux - -2.0f)));
} else {
tmp = t_0 * sqrtf(-fmaf(ux, ((1.0f - maxCos) * -2.0f), ((-1.0f + maxCos) * ((-1.0f + maxCos) * powf(ux, 2.0f)))));
}
return tmp;
}
function code(ux, uy, maxCos) t_0 = Float32(Float32(uy * Float32(2.0)) * Float32(pi)) tmp = Float32(0.0) if (maxCos <= Float32(1.2000000424450263e-6)) tmp = Float32(sin(t_0) * sqrt(Float32(ux * Float32(Float32(-ux) - Float32(-2.0))))); else tmp = Float32(t_0 * sqrt(Float32(-fma(ux, Float32(Float32(Float32(1.0) - maxCos) * Float32(-2.0)), Float32(Float32(Float32(-1.0) + maxCos) * Float32(Float32(Float32(-1.0) + maxCos) * (ux ^ Float32(2.0)))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(uy \cdot 2\right) \cdot \pi\\
\mathbf{if}\;maxCos \leq 1.2000000424450263 \cdot 10^{-6}:\\
\;\;\;\;\sin t_0 \cdot \sqrt{ux \cdot \left(\left(-ux\right) - -2\right)}\\
\mathbf{else}:\\
\;\;\;\;t_0 \cdot \sqrt{-\mathsf{fma}\left(ux, \left(1 - maxCos\right) \cdot -2, \left(-1 + maxCos\right) \cdot \left(\left(-1 + maxCos\right) \cdot {ux}^{2}\right)\right)}\\
\end{array}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(*
(sin (* uy (* 2.0 PI)))
(sqrt
(+
(* (pow ux 2.0) (* (- 1.0 maxCos) (+ -1.0 maxCos)))
(* ux (- (- 1.0 (+ -1.0 maxCos)) maxCos))))))
float code(float ux, float uy, float maxCos) {
return sinf((uy * (2.0f * ((float) M_PI)))) * sqrtf(((powf(ux, 2.0f) * ((1.0f - maxCos) * (-1.0f + maxCos))) + (ux * ((1.0f - (-1.0f + maxCos)) - maxCos))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(uy * Float32(Float32(2.0) * Float32(pi)))) * sqrt(Float32(Float32((ux ^ Float32(2.0)) * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(-1.0) + maxCos))) + Float32(ux * Float32(Float32(Float32(1.0) - Float32(Float32(-1.0) + maxCos)) - maxCos))))) end
function tmp = code(ux, uy, maxCos) tmp = sin((uy * (single(2.0) * single(pi)))) * sqrt((((ux ^ single(2.0)) * ((single(1.0) - maxCos) * (single(-1.0) + maxCos))) + (ux * ((single(1.0) - (single(-1.0) + maxCos)) - maxCos)))); end
\begin{array}{l}
\\
\sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot \sqrt{{ux}^{2} \cdot \left(\left(1 - maxCos\right) \cdot \left(-1 + maxCos\right)\right) + ux \cdot \left(\left(1 - \left(-1 + maxCos\right)\right) - maxCos\right)}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(*
(sqrt
(+
(* (pow ux 2.0) (* (- 1.0 maxCos) (+ -1.0 maxCos)))
(* ux (+ (- 1.0 maxCos) (- 1.0 maxCos)))))
(sin (* 2.0 (* uy PI)))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((powf(ux, 2.0f) * ((1.0f - maxCos) * (-1.0f + maxCos))) + (ux * ((1.0f - maxCos) + (1.0f - maxCos))))) * sinf((2.0f * (uy * ((float) M_PI))));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(Float32((ux ^ Float32(2.0)) * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(-1.0) + maxCos))) + Float32(ux * Float32(Float32(Float32(1.0) - maxCos) + Float32(Float32(1.0) - maxCos))))) * sin(Float32(Float32(2.0) * Float32(uy * Float32(pi))))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((((ux ^ single(2.0)) * ((single(1.0) - maxCos) * (single(-1.0) + maxCos))) + (ux * ((single(1.0) - maxCos) + (single(1.0) - maxCos))))) * sin((single(2.0) * (uy * single(pi)))); end
\begin{array}{l}
\\
\sqrt{{ux}^{2} \cdot \left(\left(1 - maxCos\right) \cdot \left(-1 + maxCos\right)\right) + ux \cdot \left(\left(1 - maxCos\right) + \left(1 - maxCos\right)\right)} \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(if (<= maxCos 1.2000000424450263e-6)
(* (sin (* (* uy 2.0) PI)) (sqrt (* ux (- (- ux) -2.0))))
(*
2.0
(*
(* uy PI)
(sqrt
(+
(* (pow ux 2.0) (* (- 1.0 maxCos) (+ -1.0 maxCos)))
(* ux (- (- 1.0 (+ -1.0 maxCos)) maxCos))))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (maxCos <= 1.2000000424450263e-6f) {
tmp = sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (-ux - -2.0f)));
} else {
tmp = 2.0f * ((uy * ((float) M_PI)) * sqrtf(((powf(ux, 2.0f) * ((1.0f - maxCos) * (-1.0f + maxCos))) + (ux * ((1.0f - (-1.0f + maxCos)) - maxCos)))));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (maxCos <= Float32(1.2000000424450263e-6)) tmp = Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(-ux) - Float32(-2.0))))); else tmp = Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(Float32((ux ^ Float32(2.0)) * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(-1.0) + maxCos))) + Float32(ux * Float32(Float32(Float32(1.0) - Float32(Float32(-1.0) + maxCos)) - maxCos)))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (maxCos <= single(1.2000000424450263e-6)) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (-ux - single(-2.0)))); else tmp = single(2.0) * ((uy * single(pi)) * sqrt((((ux ^ single(2.0)) * ((single(1.0) - maxCos) * (single(-1.0) + maxCos))) + (ux * ((single(1.0) - (single(-1.0) + maxCos)) - maxCos))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;maxCos \leq 1.2000000424450263 \cdot 10^{-6}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(\left(-ux\right) - -2\right)}\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{{ux}^{2} \cdot \left(\left(1 - maxCos\right) \cdot \left(-1 + maxCos\right)\right) + ux \cdot \left(\left(1 - \left(-1 + maxCos\right)\right) - maxCos\right)}\right)\\
\end{array}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(if (<= maxCos 1.2000000424450263e-6)
(* (sin (* (* uy 2.0) PI)) (sqrt (* ux (- (- ux) -2.0))))
(*
2.0
(*
(sqrt
(+
(* (pow ux 2.0) (* (- 1.0 maxCos) (+ -1.0 maxCos)))
(* ux (+ (- 1.0 maxCos) (- 1.0 maxCos)))))
(* uy PI)))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (maxCos <= 1.2000000424450263e-6f) {
tmp = sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (-ux - -2.0f)));
} else {
tmp = 2.0f * (sqrtf(((powf(ux, 2.0f) * ((1.0f - maxCos) * (-1.0f + maxCos))) + (ux * ((1.0f - maxCos) + (1.0f - maxCos))))) * (uy * ((float) M_PI)));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (maxCos <= Float32(1.2000000424450263e-6)) tmp = Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(-ux) - Float32(-2.0))))); else tmp = Float32(Float32(2.0) * Float32(sqrt(Float32(Float32((ux ^ Float32(2.0)) * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(-1.0) + maxCos))) + Float32(ux * Float32(Float32(Float32(1.0) - maxCos) + Float32(Float32(1.0) - maxCos))))) * Float32(uy * Float32(pi)))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (maxCos <= single(1.2000000424450263e-6)) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (-ux - single(-2.0)))); else tmp = single(2.0) * (sqrt((((ux ^ single(2.0)) * ((single(1.0) - maxCos) * (single(-1.0) + maxCos))) + (ux * ((single(1.0) - maxCos) + (single(1.0) - maxCos))))) * (uy * single(pi))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;maxCos \leq 1.2000000424450263 \cdot 10^{-6}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(\left(-ux\right) - -2\right)}\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\sqrt{{ux}^{2} \cdot \left(\left(1 - maxCos\right) \cdot \left(-1 + maxCos\right)\right) + ux \cdot \left(\left(1 - maxCos\right) + \left(1 - maxCos\right)\right)} \cdot \left(uy \cdot \pi\right)\right)\\
\end{array}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(if (<= maxCos 1.2000000424450263e-6)
(* (sin (* (* uy 2.0) PI)) (sqrt (* ux (- (- ux) -2.0))))
(*
2.0
(*
uy
(*
PI
(sqrt
(+
(* ux (+ (- 1.0 maxCos) (- 1.0 maxCos)))
(* (pow ux 2.0) (- -1.0 (* maxCos -2.0))))))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (maxCos <= 1.2000000424450263e-6f) {
tmp = sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (-ux - -2.0f)));
} else {
tmp = 2.0f * (uy * (((float) M_PI) * sqrtf(((ux * ((1.0f - maxCos) + (1.0f - maxCos))) + (powf(ux, 2.0f) * (-1.0f - (maxCos * -2.0f)))))));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (maxCos <= Float32(1.2000000424450263e-6)) tmp = Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(-ux) - Float32(-2.0))))); else tmp = Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * sqrt(Float32(Float32(ux * Float32(Float32(Float32(1.0) - maxCos) + Float32(Float32(1.0) - maxCos))) + Float32((ux ^ Float32(2.0)) * Float32(Float32(-1.0) - Float32(maxCos * Float32(-2.0))))))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (maxCos <= single(1.2000000424450263e-6)) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (-ux - single(-2.0)))); else tmp = single(2.0) * (uy * (single(pi) * sqrt(((ux * ((single(1.0) - maxCos) + (single(1.0) - maxCos))) + ((ux ^ single(2.0)) * (single(-1.0) - (maxCos * single(-2.0)))))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;maxCos \leq 1.2000000424450263 \cdot 10^{-6}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(\left(-ux\right) - -2\right)}\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(uy \cdot \left(\pi \cdot \sqrt{ux \cdot \left(\left(1 - maxCos\right) + \left(1 - maxCos\right)\right) + {ux}^{2} \cdot \left(-1 - maxCos \cdot -2\right)}\right)\right)\\
\end{array}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (sin (* (* uy 2.0) PI))))
(if (<= maxCos 0.00044999999227002263)
(* t_0 (sqrt (* ux (- (- ux) -2.0))))
(* t_0 (sqrt (* ux (- 2.0 (* 2.0 maxCos))))))))
float code(float ux, float uy, float maxCos) {
float t_0 = sinf(((uy * 2.0f) * ((float) M_PI)));
float tmp;
if (maxCos <= 0.00044999999227002263f) {
tmp = t_0 * sqrtf((ux * (-ux - -2.0f)));
} else {
tmp = t_0 * sqrtf((ux * (2.0f - (2.0f * maxCos))));
}
return tmp;
}
function code(ux, uy, maxCos) t_0 = sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) tmp = Float32(0.0) if (maxCos <= Float32(0.00044999999227002263)) tmp = Float32(t_0 * sqrt(Float32(ux * Float32(Float32(-ux) - Float32(-2.0))))); else tmp = Float32(t_0 * sqrt(Float32(ux * Float32(Float32(2.0) - Float32(Float32(2.0) * maxCos))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) t_0 = sin(((uy * single(2.0)) * single(pi))); tmp = single(0.0); if (maxCos <= single(0.00044999999227002263)) tmp = t_0 * sqrt((ux * (-ux - single(-2.0)))); else tmp = t_0 * sqrt((ux * (single(2.0) - (single(2.0) * maxCos)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sin \left(\left(uy \cdot 2\right) \cdot \pi\right)\\
\mathbf{if}\;maxCos \leq 0.00044999999227002263:\\
\;\;\;\;t_0 \cdot \sqrt{ux \cdot \left(\left(-ux\right) - -2\right)}\\
\mathbf{else}:\\
\;\;\;\;t_0 \cdot \sqrt{ux \cdot \left(2 - 2 \cdot maxCos\right)}\\
\end{array}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(if (<= ux 0.000699999975040555)
(* (sin (* uy (* 2.0 PI))) (sqrt (* 2.0 ux)))
(*
2.0
(*
(* uy PI)
(sqrt
(+
1.0
(* (+ -1.0 (* ux (- 1.0 maxCos))) (- (+ 1.0 (* ux maxCos)) ux))))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (ux <= 0.000699999975040555f) {
tmp = sinf((uy * (2.0f * ((float) M_PI)))) * sqrtf((2.0f * ux));
} else {
tmp = 2.0f * ((uy * ((float) M_PI)) * sqrtf((1.0f + ((-1.0f + (ux * (1.0f - maxCos))) * ((1.0f + (ux * maxCos)) - ux)))));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (ux <= Float32(0.000699999975040555)) tmp = Float32(sin(Float32(uy * Float32(Float32(2.0) * Float32(pi)))) * sqrt(Float32(Float32(2.0) * ux))); else tmp = Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(Float32(1.0) + Float32(Float32(Float32(-1.0) + Float32(ux * Float32(Float32(1.0) - maxCos))) * Float32(Float32(Float32(1.0) + Float32(ux * maxCos)) - ux)))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (ux <= single(0.000699999975040555)) tmp = sin((uy * (single(2.0) * single(pi)))) * sqrt((single(2.0) * ux)); else tmp = single(2.0) * ((uy * single(pi)) * sqrt((single(1.0) + ((single(-1.0) + (ux * (single(1.0) - maxCos))) * ((single(1.0) + (ux * maxCos)) - ux))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;ux \leq 0.000699999975040555:\\
\;\;\;\;\sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot \sqrt{2 \cdot ux}\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{1 + \left(-1 + ux \cdot \left(1 - maxCos\right)\right) \cdot \left(\left(1 + ux \cdot maxCos\right) - ux\right)}\right)\\
\end{array}
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* (* uy 2.0) PI)) (sqrt (* ux (- (- ux) -2.0)))))
float code(float ux, float uy, float maxCos) {
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (-ux - -2.0f)));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(-ux) - Float32(-2.0))))) end
function tmp = code(ux, uy, maxCos) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (-ux - single(-2.0)))); end
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(\left(-ux\right) - -2\right)}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(if (<= ux 0.0002099999983329326)
(* (* uy PI) (* 2.0 (sqrt (* ux (+ 2.0 (* maxCos -2.0))))))
(*
2.0
(*
(* uy PI)
(sqrt
(+
1.0
(* (+ -1.0 (* ux (- 1.0 maxCos))) (- (+ 1.0 (* ux maxCos)) ux))))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (ux <= 0.0002099999983329326f) {
tmp = (uy * ((float) M_PI)) * (2.0f * sqrtf((ux * (2.0f + (maxCos * -2.0f)))));
} else {
tmp = 2.0f * ((uy * ((float) M_PI)) * sqrtf((1.0f + ((-1.0f + (ux * (1.0f - maxCos))) * ((1.0f + (ux * maxCos)) - ux)))));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (ux <= Float32(0.0002099999983329326)) tmp = Float32(Float32(uy * Float32(pi)) * Float32(Float32(2.0) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(maxCos * Float32(-2.0))))))); else tmp = Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(Float32(1.0) + Float32(Float32(Float32(-1.0) + Float32(ux * Float32(Float32(1.0) - maxCos))) * Float32(Float32(Float32(1.0) + Float32(ux * maxCos)) - ux)))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (ux <= single(0.0002099999983329326)) tmp = (uy * single(pi)) * (single(2.0) * sqrt((ux * (single(2.0) + (maxCos * single(-2.0)))))); else tmp = single(2.0) * ((uy * single(pi)) * sqrt((single(1.0) + ((single(-1.0) + (ux * (single(1.0) - maxCos))) * ((single(1.0) + (ux * maxCos)) - ux))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;ux \leq 0.0002099999983329326:\\
\;\;\;\;\left(uy \cdot \pi\right) \cdot \left(2 \cdot \sqrt{ux \cdot \left(2 + maxCos \cdot -2\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{1 + \left(-1 + ux \cdot \left(1 - maxCos\right)\right) \cdot \left(\left(1 + ux \cdot maxCos\right) - ux\right)}\right)\\
\end{array}
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (if (<= ux 0.0002099999983329326) (* (* uy PI) (* 2.0 (sqrt (* ux (+ 2.0 (* maxCos -2.0)))))) (* 2.0 (* uy (* PI (sqrt (+ 1.0 (* (- 1.0 ux) (+ -1.0 ux)))))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (ux <= 0.0002099999983329326f) {
tmp = (uy * ((float) M_PI)) * (2.0f * sqrtf((ux * (2.0f + (maxCos * -2.0f)))));
} else {
tmp = 2.0f * (uy * (((float) M_PI) * sqrtf((1.0f + ((1.0f - ux) * (-1.0f + ux))))));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (ux <= Float32(0.0002099999983329326)) tmp = Float32(Float32(uy * Float32(pi)) * Float32(Float32(2.0) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(maxCos * Float32(-2.0))))))); else tmp = Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * sqrt(Float32(Float32(1.0) + Float32(Float32(Float32(1.0) - ux) * Float32(Float32(-1.0) + ux))))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (ux <= single(0.0002099999983329326)) tmp = (uy * single(pi)) * (single(2.0) * sqrt((ux * (single(2.0) + (maxCos * single(-2.0)))))); else tmp = single(2.0) * (uy * (single(pi) * sqrt((single(1.0) + ((single(1.0) - ux) * (single(-1.0) + ux)))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;ux \leq 0.0002099999983329326:\\
\;\;\;\;\left(uy \cdot \pi\right) \cdot \left(2 \cdot \sqrt{ux \cdot \left(2 + maxCos \cdot -2\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(uy \cdot \left(\pi \cdot \sqrt{1 + \left(1 - ux\right) \cdot \left(-1 + ux\right)}\right)\right)\\
\end{array}
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (if (<= ux 0.0002099999983329326) (* (* uy PI) (* 2.0 (sqrt (* ux (+ 2.0 (* maxCos -2.0)))))) (* 2.0 (* PI (* uy (sqrt (+ 1.0 (* (- 1.0 ux) (+ -1.0 ux)))))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (ux <= 0.0002099999983329326f) {
tmp = (uy * ((float) M_PI)) * (2.0f * sqrtf((ux * (2.0f + (maxCos * -2.0f)))));
} else {
tmp = 2.0f * (((float) M_PI) * (uy * sqrtf((1.0f + ((1.0f - ux) * (-1.0f + ux))))));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (ux <= Float32(0.0002099999983329326)) tmp = Float32(Float32(uy * Float32(pi)) * Float32(Float32(2.0) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(maxCos * Float32(-2.0))))))); else tmp = Float32(Float32(2.0) * Float32(Float32(pi) * Float32(uy * sqrt(Float32(Float32(1.0) + Float32(Float32(Float32(1.0) - ux) * Float32(Float32(-1.0) + ux))))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (ux <= single(0.0002099999983329326)) tmp = (uy * single(pi)) * (single(2.0) * sqrt((ux * (single(2.0) + (maxCos * single(-2.0)))))); else tmp = single(2.0) * (single(pi) * (uy * sqrt((single(1.0) + ((single(1.0) - ux) * (single(-1.0) + ux)))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;ux \leq 0.0002099999983329326:\\
\;\;\;\;\left(uy \cdot \pi\right) \cdot \left(2 \cdot \sqrt{ux \cdot \left(2 + maxCos \cdot -2\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\pi \cdot \left(uy \cdot \sqrt{1 + \left(1 - ux\right) \cdot \left(-1 + ux\right)}\right)\right)\\
\end{array}
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* (* uy PI) (* 2.0 (sqrt (* ux (+ 2.0 (* maxCos -2.0)))))))
float code(float ux, float uy, float maxCos) {
return (uy * ((float) M_PI)) * (2.0f * sqrtf((ux * (2.0f + (maxCos * -2.0f)))));
}
function code(ux, uy, maxCos) return Float32(Float32(uy * Float32(pi)) * Float32(Float32(2.0) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(maxCos * Float32(-2.0))))))) end
function tmp = code(ux, uy, maxCos) tmp = (uy * single(pi)) * (single(2.0) * sqrt((ux * (single(2.0) + (maxCos * single(-2.0)))))); end
\begin{array}{l}
\\
\left(uy \cdot \pi\right) \cdot \left(2 \cdot \sqrt{ux \cdot \left(2 + maxCos \cdot -2\right)}\right)
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* (* uy PI) (sqrt (* 2.0 ux)))))
float code(float ux, float uy, float maxCos) {
return 2.0f * ((uy * ((float) M_PI)) * sqrtf((2.0f * ux)));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(Float32(2.0) * ux)))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * ((uy * single(pi)) * sqrt((single(2.0) * ux))); end
\begin{array}{l}
\\
2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{2 \cdot ux}\right)
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (sqrt (* uy (* PI ux)))))
float code(float ux, float uy, float maxCos) {
return 2.0f * sqrtf((uy * (((float) M_PI) * ux)));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * sqrt(Float32(uy * Float32(Float32(pi) * ux)))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * sqrt((uy * (single(pi) * ux))); end
\begin{array}{l}
\\
2 \cdot \sqrt{uy \cdot \left(\pi \cdot ux\right)}
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (sqrt (* PI (* uy ux)))))
float code(float ux, float uy, float maxCos) {
return 2.0f * sqrtf((((float) M_PI) * (uy * ux)));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * sqrt(Float32(Float32(pi) * Float32(uy * ux)))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * sqrt((single(pi) * (uy * ux))); end
\begin{array}{l}
\\
2 \cdot \sqrt{\pi \cdot \left(uy \cdot ux\right)}
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* ux (sqrt (* uy PI)))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (ux * sqrtf((uy * ((float) M_PI))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(ux * sqrt(Float32(uy * Float32(pi))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (ux * sqrt((uy * single(pi)))); end
\begin{array}{l}
\\
2 \cdot \left(ux \cdot \sqrt{uy \cdot \pi}\right)
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* uy (cbrt (* PI ux)))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (uy * cbrtf((((float) M_PI) * ux)));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(uy * cbrt(Float32(Float32(pi) * ux)))) end
\begin{array}{l}
\\
2 \cdot \left(uy \cdot \sqrt[3]{\pi \cdot ux}\right)
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (sin (* uy PI)))
float code(float ux, float uy, float maxCos) {
return sinf((uy * ((float) M_PI)));
}
function code(ux, uy, maxCos) return sin(Float32(uy * Float32(pi))) end
function tmp = code(ux, uy, maxCos) tmp = sin((uy * single(pi))); end
\begin{array}{l}
\\
\sin \left(uy \cdot \pi\right)
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* uy (* PI (+ ux ux)))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (uy * (((float) M_PI) * (ux + ux)));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * Float32(ux + ux)))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (uy * (single(pi) * (ux + ux))); end
\begin{array}{l}
\\
2 \cdot \left(uy \cdot \left(\pi \cdot \left(ux + ux\right)\right)\right)
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* ux (* uy PI))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (ux * (uy * ((float) M_PI)));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(ux * Float32(uy * Float32(pi)))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (ux * (uy * single(pi))); end
\begin{array}{l}
\\
2 \cdot \left(ux \cdot \left(uy \cdot \pi\right)\right)
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* uy (* PI ux))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (uy * (((float) M_PI) * ux));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * ux))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (uy * (single(pi) * ux)); end
\begin{array}{l}
\\
2 \cdot \left(uy \cdot \left(\pi \cdot ux\right)\right)
\end{array}
(FPCore (ux uy maxCos) :precision binary32 1.0)
float code(float ux, float uy, float maxCos) {
return 1.0f;
}
real(4) function code(ux, uy, maxcos)
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = 1.0e0
end function
function code(ux, uy, maxCos) return Float32(1.0) end
function tmp = code(ux, uy, maxCos) tmp = single(1.0); end
\begin{array}{l}
\\
1
\end{array}
herbie shell --seed 2024006
(FPCore (ux uy maxCos)
:name "UniformSampleCone, y"
:precision binary32
:pre (and (and (and (<= 2.328306437e-10 ux) (<= ux 1.0)) (and (<= 2.328306437e-10 uy) (<= uy 1.0))) (and (<= 0.0 maxCos) (<= maxCos 1.0)))
(* (sin (* (* uy 2.0) PI)) (sqrt (- 1.0 (* (+ (- 1.0 ux) (* ux maxCos)) (+ (- 1.0 ux) (* ux maxCos)))))))