void bli_fprintm( FILE* file, char* s1, obj_t* x, char* format, char* s2 ) { num_t dt_x = bli_obj_datatype( *x ); dim_t m = bli_obj_length( *x ); dim_t n = bli_obj_width( *x ); inc_t rs_x = bli_obj_row_stride( *x ); inc_t cs_x = bli_obj_col_stride( *x ); void* buf_x = bli_obj_buffer_at_off( *x ); FUNCPTR_T f; if ( bli_error_checking_is_enabled() ) bli_fprintm_check( file, s1, x, format, s2 ); // Handle constants up front. if ( dt_x == BLIS_CONSTANT ) { float* sp = bli_obj_buffer_for_const( BLIS_FLOAT, *x ); double* dp = bli_obj_buffer_for_const( BLIS_DOUBLE, *x ); scomplex* cp = bli_obj_buffer_for_const( BLIS_SCOMPLEX, *x ); dcomplex* zp = bli_obj_buffer_for_const( BLIS_DCOMPLEX, *x ); gint_t* ip = bli_obj_buffer_for_const( BLIS_INT, *x ); fprintf( file, "%s\n", s1 ); fprintf( file, " float: %9.2e\n", bli_sreal( *sp ) ); fprintf( file, " double: %9.2e\n", bli_dreal( *dp ) ); fprintf( file, " scomplex: %9.2e + %9.2e\n", bli_creal( *cp ), bli_cimag( *cp ) ); fprintf( file, " dcomplex: %9.2e + %9.2e\n", bli_zreal( *zp ), bli_zimag( *zp ) ); fprintf( file, " int: %ld\n", *ip ); fprintf( file, "\n" ); return; } // Index into the type combination array to extract the correct // function pointer. f = ftypes[dt_x]; // Invoke the function. f( file, s1, m, n, buf_x, rs_x, cs_x, format, s2 ); }
bool_t bli_obj_scalar_has_nonzero_imag( obj_t* a ) { bool_t r_val = FALSE; num_t dt = bli_obj_datatype( *a ); void* scalar_a = bli_obj_internal_scalar_buffer( *a ); if ( bli_is_real( dt ) ) { r_val = FALSE; } else if ( bli_is_scomplex( dt ) ) { r_val = ( bli_cimag( *(( scomplex* )scalar_a) ) != 0.0F ); } else if ( bli_is_dcomplex( dt ) ) { r_val = ( bli_zimag( *(( dcomplex* )scalar_a) ) != 0.0 ); } return r_val; }
/* Subroutine */ int PASTEF77(cs,rot)(const bla_integer *n, bla_scomplex *cx, const bla_integer *incx, bla_scomplex *cy, const bla_integer *incy, const bla_real *c__, const bla_real *s) { /* System generated locals */ bla_integer i__1, i__2, i__3, i__4; bla_scomplex q__1, q__2, q__3; /* Local variables */ bla_integer i__; bla_scomplex ctemp; bla_integer ix, iy; /* applies a plane rotation, where the cos and sin (c and s) are bla_real */ /* and the vectors cx and cy are complex. */ /* jack dongarra, linpack, 3/11/78. */ /* Parameter adjustments */ --cy; --cx; /* Function Body */ if (*n <= 0) { return 0; } if (*incx == 1 && *incy == 1) { goto L20; } /* code for unequal increments or equal increments not equal */ /* to 1 */ ix = 1; iy = 1; if (*incx < 0) { ix = (-(*n) + 1) * *incx + 1; } if (*incy < 0) { iy = (-(*n) + 1) * *incy + 1; } i__1 = *n; for (i__ = 1; i__ <= i__1; ++i__) { i__2 = ix; bli_csets( (*c__ * bli_creal(cx[i__2])), (*c__ * bli_cimag(cx[i__2])), q__2 ); i__3 = iy; bli_csets( (*s * bli_creal(cy[i__3])), (*s * bli_cimag(cy[i__3])), q__3 ); bli_csets( (bli_creal(q__2) + bli_creal(q__3)), (bli_cimag(q__2) + bli_cimag(q__3)), q__1 ); bli_csets( (bli_creal(q__1)), (bli_cimag(q__1)), ctemp ); i__2 = iy; i__3 = iy; bli_csets( (*c__ * bli_creal(cy[i__3])), (*c__ * bli_cimag(cy[i__3])), q__2 ); i__4 = ix; bli_csets( (*s * bli_creal(cx[i__4])), (*s * bli_cimag(cx[i__4])), q__3 ); bli_csets( (bli_creal(q__2) - bli_creal(q__3)), (bli_cimag(q__2) - bli_cimag(q__3)), q__1 ); bli_csets( (bli_creal(q__1)), (bli_cimag(q__1)), cy[i__2] ); i__2 = ix; bli_csets( (bli_creal(ctemp)), (bli_cimag(ctemp)), cx[i__2] ); ix += *incx; iy += *incy; /* L10: */ } return 0; /* code for both increments equal to 1 */ L20: i__1 = *n; for (i__ = 1; i__ <= i__1; ++i__) { i__2 = i__; bli_csets( (*c__ * bli_creal(cx[i__2])), (*c__ * bli_cimag(cx[i__2])), q__2 ); i__3 = i__; bli_csets( (*s * bli_creal(cy[i__3])), (*s * bli_cimag(cy[i__3])), q__3 ); bli_csets( (bli_creal(q__2) + bli_creal(q__3)), (bli_cimag(q__2) + bli_cimag(q__3)), q__1 ); bli_csets( (bli_creal(q__1)), (bli_cimag(q__1)), ctemp ); i__2 = i__; i__3 = i__; bli_csets( (*c__ * bli_creal(cy[i__3])), (*c__ * bli_cimag(cy[i__3])), q__2 ); i__4 = i__; bli_csets( (*s * bli_creal(cx[i__4])), (*s * bli_cimag(cx[i__4])), q__3 ); bli_csets( (bli_creal(q__2) - bli_creal(q__3)), (bli_cimag(q__2) - bli_cimag(q__3)), q__1 ); bli_csets( (bli_creal(q__1)), (bli_cimag(q__1)), cy[i__2] ); i__2 = i__; bli_csets( (bli_creal(ctemp)), (bli_cimag(ctemp)), cx[i__2] ); /* L30: */ } return 0; } /* csrot_ */
double bla_c_abs(const bla_scomplex *z) { return( bla_f__cabs( bli_creal( *z ), bli_cimag( *z ) ) ); }
/* Subroutine */ int PASTEF77(c,rotg)(singlecomplex *ca, singlecomplex *cb, real *c__, singlecomplex *s) { /* System generated locals */ real r__1, r__2; singlecomplex q__1, q__2, q__3; /* Builtin functions */ double bla_c_abs(singlecomplex *), sqrt(doublereal); void bla_r_cnjg(singlecomplex *, singlecomplex *); /* Local variables */ real norm; singlecomplex alpha; real scale; if (bla_c_abs(ca) != 0.f) { goto L10; } *c__ = 0.f; bli_csets( 1.f, 0.f, *s ); bli_csets( bli_creal(*cb), bli_cimag(*cb), *ca ); goto L20; L10: scale = bla_c_abs(ca) + bla_c_abs(cb); bli_csets( (bli_creal(*ca) / scale), (bli_cimag(*ca) / scale), q__1 ); /* Computing 2nd power */ r__1 = bla_c_abs(&q__1); bli_csets( (bli_creal(*cb) / scale), (bli_cimag(*cb) / scale), q__2 ); /* Computing 2nd power */ r__2 = bla_c_abs(&q__2); norm = scale * sqrt(r__1 * r__1 + r__2 * r__2); r__1 = bla_c_abs(ca); bli_csets( (bli_creal(*ca) / r__1), (bli_cimag(*ca) / r__1), q__1 ); bli_csets( (bli_creal(q__1)), (bli_cimag(q__1)), alpha ); *c__ = bla_c_abs(ca) / norm; bla_r_cnjg(&q__3, cb); bli_csets( (bli_creal(alpha) * bli_creal(q__3) - bli_cimag(alpha) * bli_cimag(q__3)), (bli_creal(alpha) * bli_cimag(q__3) + bli_cimag(alpha) * bli_creal(q__3)), q__2 ); bli_csets( (bli_creal(q__2) / norm), (bli_cimag(q__2) / norm), q__1 ); bli_csets( bli_creal(q__1), bli_cimag(q__1), *s ); bli_csets( (norm * bli_creal(alpha)), (norm * bli_cimag(alpha)), q__1 ); bli_csets( bli_creal(q__1), bli_cimag(q__1), *ca ); L20: return 0; } /* crotg_ */