conv_i32_to_d32_and_d16
void conv_i32_to_d32_and_d16(double *d32, double *d16,
conv_i32_to_d32_and_d16(d32r, apowers[0], nint, nlen);
conv_i32_to_d32_and_d16(d32r, d16r,
conv_i32_to_d32_and_d16(d32r,
conv_i32_to_d32_and_d16(d32r,
conv_i32_to_d32_and_d16(d32r, d16r, prod, nlen);
conv_i32_to_d32_and_d16(d32r, d16r, prod, nlen);