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(), dsp16_op_sqrt(), 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 access_virt_barray(), access_virt_sarray(), add_huff_table(), compress_data(), compress_output(), consume_markers(), create_colorindex(), decode_mcu(), decode_mcu_AC_first(), decode_mcu_AC_refine(), decode_mcu_DC_first(), decode_mcu_DC_refine(), decompress_data(), decompress_smooth_data(), default_decompress_parms(), emit_restart(), encode_mcu_huff(), encode_one_block(), flush_bits(), for(), format_message(), free_pool(), init_tc(), jinit_c_coef_controller(), jinit_c_main_controller(), jinit_c_master_control(), jinit_color_deconverter(), jinit_compress_master(), jinit_d_post_controller(), jinit_downsampler(), jinit_input_controller(), jinit_master_decompress(), jinit_merged_upsampler(), jinit_upsampler(), jpeg_add_quant_table(), jpeg_alloc_huff_table(), jpeg_alloc_quant_table(), jpeg_copy_critical_parameters(), jpeg_fill_bit_buffer(), jpeg_finish_decompress(), jpeg_finish_output(), jpeg_gen_optimal_table(), jpeg_new_colormap(), jpeg_resync_to_restart(), jpeg_set_colorspace(), jpeg_set_defaults(), jpeg_start_compress(), LOCAL(), master_selection(), merged_2v_upsample(), METHODDEF(), output_pass_setup(), pass2_fs_dither(), pass_startup(), post_process_2pass(), prepare_for_output_pass(), prepare_for_pass(), print(), prints(), process_data_context_main(), process_data_simple_main(), process_restart(), quantize_fs_dither(), read_restart_marker(), request_virt_barray(), request_virt_sarray(), reset_input_controller(), smoothing_ok(), start_pass_1_quant(), start_pass_2_quant(), start_pass_huff_decoder(), start_pass_main(), start_pass_merged_upsample(), use_merged_upsample(), and while().

return TRUE   1

Boolean TRUE constant.

Referenced by access_virt_barray(), access_virt_sarray(), compress_data(), compress_first_pass(), compress_output(), consume_data(), consume_markers(), create_colorindex(), decode_mcu(), decode_mcu_AC_first(), decode_mcu_AC_refine(), decode_mcu_DC_first(), decode_mcu_DC_refine(), decompress_smooth_data(), default_decompress_parms(), emit_restart(), encode_mcu_gather(), encode_mcu_huff(), encode_one_block(), examine_app0(), examine_app14(), finish_pass1(), finish_pass_gather(), flush_bits(), format_message(), if(), jinit_2pass_quantizer(), jinit_c_master_control(), jinit_d_coef_controller(), jinit_downsampler(), jinit_input_controller(), jinit_upsampler(), jpeg_CreateDecompress(), jpeg_fill_bit_buffer(), jpeg_finish_decompress(), jpeg_finish_output(), jpeg_resync_to_restart(), jpeg_set_colorspace(), jpeg_set_defaults(), LOCAL(), master_selection(), merged_2v_upsample(), METHODDEF(), new_color_map_2_quant(), next_marker(), output_pass_setup(), pass2_fs_dither(), post_process_prepass(), prepare_for_output_pass(), prepare_for_pass(), printi(), prints(), process_data_context_main(), process_data_simple_main(), process_restart(), quantize_fs_dither(), read_markers(), read_restart_marker(), reset_input_controller(), smoothing_ok(), start_pass_2_quant(), start_pass_huff_decoder(), sys_cpu_48MHz(), transdecode_master_selection(), transencode_master_selection(), and use_merged_upsample().