GNU Radio Manual and C++ API Reference 3.10.5.1
The Free & Open Software Radio Ecosystem
math.h File Reference
#include <gnuradio/api.h>
#include <gnuradio/gr_complex.h>
#include <cmath>
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Namespaces

namespace  gr
 GNU Radio logging wrapper.
 

Macros

#define GR_M_PI   3.14159265358979323846 /* pi */
 
#define GR_M_SQRT2   1.41421356237309504880 /* sqrt(2) */
 

Functions

static void gr::fast_cc_multiply (gr_complex &out, const gr_complex cc1, const gr_complex cc2)
 
static bool gr::is_power_of_2 (long x)
 
GR_RUNTIME_API float gr::fast_atan2f (float y, float x)
 Fast arc tangent using table lookup and linear interpolation. More...
 
static float gr::fast_atan2f (gr_complex z)
 
static float gr::branchless_clip (float x, float clip)
 
static float gr::clip (float x, float clip)
 
static unsigned int gr::binary_slicer (float x)
 
static unsigned int gr::quad_45deg_slicer (float r, float i)
 
static unsigned int gr::quad_0deg_slicer (float r, float i)
 
static unsigned int gr::quad_45deg_slicer (gr_complex x)
 
static unsigned int gr::quad_0deg_slicer (gr_complex x)
 
static unsigned int gr::branchless_binary_slicer (float x)
 
static unsigned int gr::branchless_quad_0deg_slicer (float r, float i)
 
static unsigned int gr::branchless_quad_0deg_slicer (gr_complex x)
 
static unsigned int gr::branchless_quad_45deg_slicer (float r, float i)
 
static unsigned int gr::branchless_quad_45deg_slicer (gr_complex x)
 
static size_t gr::p2_round_down (size_t x, size_t pow2)
 
static size_t gr::p2_round_up (size_t x, size_t pow2)
 
static size_t gr::p2_modulo (size_t x, size_t pow2)
 
static size_t gr::p2_modulo_neg (size_t x, size_t pow2)
 

Macro Definition Documentation

◆ GR_M_PI

#define GR_M_PI   3.14159265358979323846 /* pi */

◆ GR_M_SQRT2

#define GR_M_SQRT2   1.41421356237309504880 /* sqrt(2) */