arm_nntables_flt.c File Reference

Variables
const float32_t	arm_nn_exp_poly_coeffs_f32 [8]
	Polynomial coefficients used by the float32 MVE exp approximation.
const float32_t	arm_nn_exp2_lut256_f32 [257]
	LUT for 2^(i/256) used by the float32 LUT softmax approximation.
const float32_t	arm_nn_tanh_lut256_f32 [257]
	LUT for tanh(x) sampled over x in [0, 4] for float32 helpers.
const float32_t	arm_nn_exp_poly_coeffs_f16 [8]
	Polynomial coefficients used by the float16 MVE exp approximation.
const float32_t	arm_nn_tanh_approx_coeffs_f16 [3]
	Coefficients used by the float16 tanh rational approximation.
const uint16_t	arm_nn_exp2_lut256_f16 [257]
	Quantized binary16 LUT for 2^(i/256) used by float16 helpers.
const uint16_t	arm_nn_tanh_lut256_f16 [257]
	Quantized binary16 LUT for tanh(x) with x in [0, 4].