Here is a list of all documented namespace members with links to the namespaces they belong to:

accumulate() : arm_cmsis_dsp, arm_cmsis_dsp::arm_cmsis_dsp::inner, arm_cmsis_dsp::inner, inner
add() : arm_cmsis_dsp
aligned_free() : arm_cmsis_dsp
aligned_malloc() : arm_cmsis_dsp
arm_abs_f32() : arm_cmsis_dsp
arm_abs_f64() : arm_cmsis_dsp
arm_abs_q15() : arm_cmsis_dsp
arm_abs_q31() : arm_cmsis_dsp
arm_abs_q7() : arm_cmsis_dsp
arm_add_f32() : arm_cmsis_dsp
arm_add_f64() : arm_cmsis_dsp
arm_add_q15() : arm_cmsis_dsp
arm_add_q31() : arm_cmsis_dsp
arm_add_q7() : arm_cmsis_dsp
arm_and_u16() : arm_cmsis_dsp
arm_and_u32() : arm_cmsis_dsp
arm_and_u8() : arm_cmsis_dsp
arm_atan2_f32() : arm_cmsis_dsp
arm_atan2_q15() : arm_cmsis_dsp
arm_atan2_q31() : arm_cmsis_dsp
ARM_MATH_ARGUMENT_ERROR : arm_cmsis_dsp
ARM_MATH_DECOMPOSITION_FAILURE : arm_cmsis_dsp
ARM_MATH_DSP_EXTENSIONS_ARCH : arm_cmsis_dsp
ARM_MATH_F16 : arm_cmsis_dsp
ARM_MATH_F32 : arm_cmsis_dsp
ARM_MATH_F64 : arm_cmsis_dsp
ARM_MATH_HELIUM_ARCH : arm_cmsis_dsp
ARM_MATH_LENGTH_ERROR : arm_cmsis_dsp
ARM_MATH_NANINF : arm_cmsis_dsp
ARM_MATH_NEON_ARCH : arm_cmsis_dsp
ARM_MATH_Q15 : arm_cmsis_dsp
ARM_MATH_Q31 : arm_cmsis_dsp
ARM_MATH_Q7 : arm_cmsis_dsp
ARM_MATH_SCALAR_ARCH : arm_cmsis_dsp
ARM_MATH_SINGULAR : arm_cmsis_dsp
ARM_MATH_SIZE_MISMATCH : arm_cmsis_dsp
ARM_MATH_SUCCESS : arm_cmsis_dsp
ARM_MATH_TEST_FAILURE : arm_cmsis_dsp