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Functions
FLA_Norm1.c File Reference

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Functions

FLA_Error FLA_Norm1 (FLA_Obj A, FLA_Obj norm)
 

Function Documentation

◆ FLA_Norm1()

FLA_Error FLA_Norm1 ( FLA_Obj  A,
FLA_Obj  norm 
)

References FLA_Asum(), FLA_Check_error_level(), FLA_Cont_with_1x3_to_1x2(), FLA_Max_abs_value(), FLA_Norm1_check(), FLA_Obj_create(), FLA_Obj_datatype(), FLA_Obj_free(), FLA_Obj_width(), FLA_Part_1x2(), and FLA_Repart_1x2_to_1x3().

Referenced by FLASH_Norm1().

14 {
15  FLA_Obj AL, AR, A0, a1, A2;
16 
17  FLA_Obj b;
18  FLA_Obj bL, bR, b0, beta1, b2;
19 
20  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
21  FLA_Norm1_check( A, norm );
22 
23  FLA_Obj_create( FLA_Obj_datatype( A ), 1, FLA_Obj_width( A ), 0, 0, &b );
24 
25  FLA_Part_1x2( A, &AL, &AR, 0, FLA_LEFT );
26 
27  FLA_Part_1x2( b, &bL, &bR, 0, FLA_LEFT );
28 
29  while ( FLA_Obj_width( AL ) < FLA_Obj_width( A ) ){
30 
31  FLA_Repart_1x2_to_1x3( AL, /**/ AR, &A0, /**/ &a1, &A2,
32  1, FLA_RIGHT );
33 
34  FLA_Repart_1x2_to_1x3( bL, /**/ bR, &b0, /**/ &beta1, &b2,
35  1, FLA_RIGHT );
36 
37  /*------------------------------------------------------------*/
38 
39  FLA_Asum( a1, beta1 );
40 
41  /*------------------------------------------------------------*/
42 
43  FLA_Cont_with_1x3_to_1x2( &AL, /**/ &AR, A0, a1, /**/ A2,
44  FLA_LEFT );
45 
46  FLA_Cont_with_1x3_to_1x2( &bL, /**/ &bR, b0, beta1, /**/ b2,
47  FLA_LEFT );
48  }
49 
50  FLA_Max_abs_value( b, norm );
51 
52  FLA_Obj_free( &b );
53 
54  return FLA_SUCCESS;
55 }
FLA_Error FLA_Obj_create(FLA_Datatype datatype, dim_t m, dim_t n, dim_t rs, dim_t cs, FLA_Obj *obj)
Definition: FLA_Obj.c:55
FLA_Error FLA_Repart_1x2_to_1x3(FLA_Obj AL, FLA_Obj AR, FLA_Obj *A0, FLA_Obj *A1, FLA_Obj *A2, dim_t nb, FLA_Side side)
Definition: FLA_View.c:267
FLA_Error FLA_Obj_free(FLA_Obj *obj)
Definition: FLA_Obj.c:588
FLA_Error FLA_Max_abs_value(FLA_Obj A, FLA_Obj amax)
Definition: FLA_Max_abs_value.c:13
FLA_Error FLA_Asum(FLA_Obj x, FLA_Obj asum_x)
Definition: FLA_Asum.c:13
FLA_Datatype FLA_Obj_datatype(FLA_Obj obj)
Definition: FLA_Query.c:13
Definition: FLA_type_defs.h:158
FLA_Error FLA_Norm1_check(FLA_Obj A, FLA_Obj norm)
Definition: FLA_Norm1_check.c:13
dim_t FLA_Obj_width(FLA_Obj obj)
Definition: FLA_Query.c:123
FLA_Error FLA_Cont_with_1x3_to_1x2(FLA_Obj *AL, FLA_Obj *AR, FLA_Obj A0, FLA_Obj A1, FLA_Obj A2, FLA_Side side)
Definition: FLA_View.c:475
unsigned int FLA_Check_error_level(void)
Definition: FLA_Check.c:18
FLA_Error FLA_Part_1x2(FLA_Obj A, FLA_Obj *A1, FLA_Obj *A2, dim_t nb, FLA_Side side)
Definition: FLA_View.c:110