diff options
Diffstat (limited to 'lib/ilogb.c')
| -rw-r--r-- | lib/ilogb.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/ilogb.c b/lib/ilogb.c new file mode 100644 index 0000000..82cda70 --- /dev/null +++ b/lib/ilogb.c @@ -0,0 +1,42 @@ +// Ilogb +// +// ilogb +// +// Integer logarithm base +// +// exponent of the floating-point representation +// +// Inputs: 1 +// Outputs: 1 +// Constants: 0 + + +#include <math.h> +#include "ts.h" + + +ts_parameter_t const ts_ilogb_p = { .n_inputs = 1, .n_outputs = 1, .n_constants = 0, .params_size = 0 }; + +uint_t ts_ilogb_offset( ts_constant_t const *c ) +{ + ( void )c; + return ( 0 ); +} + +int ts_ilogb( + fp_t * const *y, uint_t y_n, + fp_t const * const *x, uint_t x_n, + uint_t n, ts_constant_t const *c +) +{ + TS_PROLOGUE( ts_ilogb_p ); + (void)c; + for( uint_t i = 0; i < n; ++i ) + { + y[0][i] = (fp_t)ilogb( x[0][i] ); + } + return 0; +} + + + |