Esempio n. 1
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    def interp(self, m):
        # q = data_extra[self.outs[0]]["|q|"]
        # a = self.a()
        p = self.point_value()
        zeros = tf.zeros_like(m)
        ones = tf.ones_like(m)

        def poly_i(i, xi):
            tmp = zeros
            for j in range(i - 1, i + 1):
                if j < 0 or j > self.interp_N - 1:
                    continue
                r = ones
                for k in range(j, j + 2):
                    if k == i:
                        continue
                    r = r * (m - xi[k]) / (xi[i] - xi[k])
                r = tf.where((m >= xi[j]) & (m < xi[j + 1]), r, zeros)
                tmp = tmp + r
            return tmp

        h = tf.stack(
            [poly_i(i, self.points) for i in range(1, self.interp_N - 1)],
            axis=-1,
        )
        h = tf.stop_gradient(h)
        p_r = tf.math.real(p)
        p_i = tf.math.imag(p)
        ret_r = tf.reduce_sum(h * p_r, axis=-1)
        ret_i = tf.reduce_sum(h * p_i, axis=-1)
        return tf.complex(ret_r, ret_i)
Esempio n. 2
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def get_matrix_interp1d3_v2(x, xi):
    N = len(xi) - 1
    zeros = tf.zeros_like(x)
    ones = tf.ones_like(x)

    # @pysnooper.snoop()
    def poly_i(i):
        tmp = zeros
        x_i = (xi[i] + xi[i - 1]) / 2
        for j in range(i - 1, i + 3):
            if j < 0 or j > N - 1:
                continue
            r = ones
            for k in range(j - 1, j + 3):
                if k == i or k < 1 or k > N:
                    continue
                x_k = (xi[k] + xi[k - 1]) / 2
                r = r * (x - x_k) / (x_i - x_k)
            r = tf.where(
                (x >= (xi[j] + xi[j - 1]) / 2) & (x < (xi[j] + xi[j + 1]) / 2),
                r,
                zeros,
            )
            tmp = tmp + r
        return tmp

    h = tf.stack([poly_i(i) for i in range(1, N)], axis=-1)
    b = tf.zeros_like(x)
    return h, b
Esempio n. 3
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 def get_amp(self, data, data_c, **kwargs):
     mass = self.get_mass()
     width = self.get_width()
     if width is None:
         return tf.ones_like(data["m"])
     if not self.running_width:
         ret = BW(data["m"], mass, width)
     else:
         q = data_c["|q|"]
         q0 = data_c["|q0|"]
         if self.bw_l is None:
             decay = self.decay[0]
             self.bw_l = min(decay.get_l_list())
         ret = GS(
             data["m"],
             mass,
             width,
             q,
             q0,
             self.bw_l,
             self.d,
             self.c_daug2Mass,
             self.c_daug3Mass,
         )
     return ret
Esempio n. 4
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 def interp(self, m):
     p = self.point_value()
     ones = tf.ones_like(m)
     zeros = tf.zeros_like(m)
     p_r = tf.math.real(p)
     p_i = tf.math.imag(p)
     h, b = get_matrix_interp1d3_v2(m, self.points)
     h = tf.stop_gradient(h)
     f = lambda x: tf.reshape(
         tf.matmul(tf.cast(h, x.dtype), tf.reshape(x, (-1, 1))), b.shape
     ) + tf.cast(b, x.dtype)
     ret_r = f(p_r)
     ret_i = f(p_i)
     return tf.complex(ret_r, ret_i)
Esempio n. 5
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def spline_x_matrix(x, xi):
    """build matrix of x for spline interpolation"""
    ones = tf.ones_like(x)
    x2 = x * x
    x3 = x2 * x
    x_p = tf.stack([ones, x, x2, x3], axis=-1)
    x = tf.expand_dims(x, axis=-1)
    zeros = tf.zeros_like(x)

    def poly_i(i):
        cut = (x >= xi[i]) & (x < xi[i + 1])
        return tf.where(cut, x_p, zeros)

    xs = [poly_i(i) for i in range(len(xi) - 1)]
    return tf.stack(xs, axis=-2)
Esempio n. 6
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 def get_amp(self, data, data_c, **kwargs):
     mass = self.get_mass()
     width = self.get_width()
     if width is None:
         return tf.ones_like(data["m"])
     if not self.running_width:
         ret = BW(data["m"], mass, width)
     else:
         q2 = data_c["|q|2"]
         q02 = data_c["|q0|2"]
         if self.bw_l is None:
             decay = self.decay[0]
             self.bw_l = min(decay.get_l_list())
         ret = BWR2(data["m"], mass, width, q2, q02, self.bw_l, self.d)
     return ret
Esempio n. 7
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def get_matrix_interp1d3(x, xi):
    N = len(xi) - 1
    zeros = tf.zeros_like(x)
    ones = tf.ones_like(x)

    # @pysnooper.snoop()
    def poly_i(i):
        tmp = zeros
        for j in range(i - 1, i + 3):
            if j < 0 or j > N - 1:
                continue
            r = ones
            for k in range(j - 1, j + 3):
                if k == i or k < 0 or k > N:
                    continue
                r = r * (x - xi[k]) / (xi[i] - xi[k])
            r = tf.where((x >= xi[j]) & (x < xi[j + 1]), r, zeros)
            tmp = tmp + r
        return tmp

    h = tf.stack([poly_i(i) for i in range(1, N)], axis=-1)
    b = tf.zeros_like(x)
    return h, b
Esempio n. 8
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    def interp(self, m):
        p = self.point_value()
        ones = tf.ones_like(m)
        zeros = tf.zeros_like(m)

        def add_f(x, bl, br):
            return tf.where((x > bl) & (x <= br), ones, zeros)

        x_bin = tf.stack(
            [
                add_f(
                    m,
                    (self.points[i] + self.points[i + 1]) / 2,
                    (self.points[i + 1] + self.points[i + 2]) / 2,
                ) for i in range(self.interp_N - 2)
            ],
            axis=-1,
        )
        p_r = tf.math.real(p)
        p_i = tf.math.imag(p)
        x_bin = tf.stop_gradient(x_bin)
        ret_r = tf.reduce_sum(x_bin * p_r, axis=-1)
        ret_i = tf.reduce_sum(x_bin * p_i, axis=-1)
        return tf.complex(ret_r, ret_i)
Esempio n. 9
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 def get_amp(self, data, _data_c=None, **kwargs):
     mass = data["m"]
     zeros = tf.zeros_like(mass)
     ones = tf.ones_like(mass)
     return tf.complex(ones, zeros)