Scalar API quick reference#

Scalar Type Conversion
Fixed-Point Scalar Ops
IEEE 754 Float Scalar Ops
Non-standard Float Scalar Ops
Non-standard Complex Float Scalar Ops

Scalar type conversion#

Table 10 Scalar type conversion#
Function	Type In	Type Out
`f32_unpack()`	`float`	`int32_t`, `exponent_t`
`f32_unpack_s16()`	`float`	`int16_t`, `exponent_t`
`f32_to_float_s32()`	`float`	`float_s32_t`
`f64_to_float_s32()`	`double`	`float_s32_t`
`float_s32_to_float_s64()`	`float_s32_t`	`float_s64_t`
`float_s32_to_float()`	`float_s32_t`	`float`
`float_s32_to_double()`	`float_s32_t`	`double`
`s16_to_s32()`	`int16_t`, `exponent_t`	`int32_t`, `exponent_t`
`s32_to_s16()`	`int32_t`, `exponent_t`	`int16_t`, `exponent_t`
`s64_to_s32()`	`int64_t`, `exponent_t`	`int32_t`, `exponent_t`
`s32_to_f32()`	`int32_t`, `exponent_t`	`float`
`radians_to_sbrads()`	`radian_q24_t`	`sbrad_t`
`s32_to_chunk_s32()`	`int32_t`	`int32_t[8]`
`float_s64_to_float_s32()`	`float_s64_t`	`float_s32_t`

Fixed-point scalar ops#

Table 11 Fixed-point scalar ops#
Function	Input Depth	Fractional Bits	Brief
`s16_inverse()`	16	0	\(x^{-1}\)
`s32_inverse()`	32	0	\(x^{-1}\)
`sbrad_sin()`	32	31	\(\sin(x)\)
`sbrad_tan()`	32	31	\(\tan(x)\)
`q24_sin()`	32	24	\(\sin(x)\)
`q24_cos()`	32	24	\(\cos(x)\)
`q24_tan()`	32	24	\(\tan(x)\)
`q30_exp_small()`	32	30	\(\exp(x)\)
`q24_logistic()`	32	24	\(\frac{1}{1+e^{-x}}\)
`q24_logistic_fast()`	32	24	\(\frac{1}{1+e^{-x}}\)
`q30_powers()`	32	30	\((0,x,x^2,x^3,\dots)\)
`u32_ceil_log2()`	32	0	\(\lceil\log_2(x)\rceil\)

IEEE 754 float ops#

Table 12 IEEE 754 float ops#
Function	Brief
`f32_sin()`	\(sin(x)\)
`f32_cos()`	\(cos(x)\)
`f32_log2()`	\(log_2(x)\)
`f32_power_series()`	Evaluate Power Series
`f32_normA()`	Normalized Form A

Non-standard scalar float ops#

Table 13 Non-standard scalar float ops#
Function	Brief
`float_s32_mul()`	\(x \times y\)
`float_s32_add()`	\(x + y\)
`float_s32_sub()`	\(x - y\)
`float_s32_div()`	\(\frac{x}{y}\)
`float_s32_abs()`	\(\left\|x\right\|\)
`float_s32_gt()`	\(x > y\)
`float_s32_gte()`	\(x \ge y\)
`float_s32_ema()`	\(\alpha x + (1 - \alpha) y\)
`float_s32_sqrt()`	\(\sqrt{x}\)
`float_s32_exp()`	\(exp(x)\)
`s16_mul()`	\(x \times y\)
`s32_sqrt()`	\(\sqrt{x}\)
`s32_mul()`	\(x \times y\)
`s32_odd_powers()`	\(x, x^3, x^5, x^7, \dots\)

Non-standard complex scalar float ops#

Table 14 Non-standard complex scalar float ops#
Function	Brief
`float_complex_s16_mul()`	\(x \times y\)
`float_complex_s16_add()`	\(x + y\)
`float_complex_s16_sub()`	\(x - y\)
`float_complex_s32_mul()`	\(x \times y\)
`float_complex_s32_add()`	\(x + y\)
`float_complex_s32_sub()`	\(x - y\)