Constants

This group regroups all the constants you can use in your project.

Macros
#define	CST_E   2.718281828459045235360287471352662497757
	E definition also known as the natural logarithmic base. More...
#define	CST_INV_SQUARE_ROOT_2   0.70710678118654752440084436210485
	1/sqrt(2) definition More...
#define	CST_LN_10   2.3025850929940456840179914546844
	ln(10) definition More...
#define	CST_LN_2   0.69314718055994530941723212145818
	ln(2) definition More...
#define	CST_PI   3.141592653589793238462643383279502884197
	PI definition also known as the Archimedes' constant. More...
#define	CST_SQUARE_ROOT_2   1.4142135623730950488016887242097
	sqrt(2) definition More...
#define	DSP16_PI_DIV_4   DSP16_Q(CST_PI/4.)
	PI/4 definition for the 16-bit fixed point type. More...
#define	DSP32_PI_DIV_4   DSP32_Q(CST_PI/4.)
	PI/4 definition for the 32-bit fixed point type. More...
#define	FALSE   0
	Boolean FALSE constant. More...
#define	TRUE   1
	Boolean TRUE constant. More...

#define CST_E   2.718281828459045235360287471352662497757

E definition also known as the natural logarithmic base.

#define CST_INV_SQUARE_ROOT_2   0.70710678118654752440084436210485

1/sqrt(2) definition

Referenced by dsp16_op_exp(), dsp32_op_exp(), and dsp32_op_sqrt().

#define CST_LN_10   2.3025850929940456840179914546844

ln(10) definition

Referenced by dsp16_op_log10(), and dsp32_op_log10().

#define CST_LN_2   0.69314718055994530941723212145818

ln(2) definition

Referenced by dsp16_op_exp(), dsp16_op_ln_raw(), dsp16_op_log2(), dsp16_op_pow(), dsp16_win_gauss(), dsp32_op_exp(), dsp32_op_ln_raw(), dsp32_op_log2(), dsp32_op_pow(), and dsp32_win_gauss().

#define CST_PI   3.141592653589793238462643383279502884197

PI definition also known as the Archimedes' constant.

Referenced by dsp16_filt_lpfirdesign(), dsp16_filt_lpfirdesign_windowed_sinc(), dsp16_win_kaiser(), and dsp32_win_kaiser().

#define CST_SQUARE_ROOT_2   1.4142135623730950488016887242097

sqrt(2) definition

Referenced by dsp16_op_exp(), and dsp32_op_exp().

#define DSP16_PI_DIV_4   DSP16_Q(CST_PI/4.)

PI/4 definition for the 16-bit fixed point type.

#define DSP32_PI_DIV_4   DSP32_Q(CST_PI/4.)

PI/4 definition for the 32-bit fixed point type.

#define FALSE   0

Boolean FALSE constant.

Referenced by print(), and prints().

#define TRUE   1

Boolean TRUE constant.

Referenced by printi(), and prints().