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#include "rb_lapack.h"
extern VOID sla_wwaddw_(integer* n, real* x, real* y, real* w);
static VALUE
rblapack_sla_wwaddw(int argc, VALUE *argv, VALUE self){
#ifdef USEXBLAS
VALUE rblapack_x;
real *x;
VALUE rblapack_y;
real *y;
VALUE rblapack_w;
real *w;
VALUE rblapack_x_out__;
real *x_out__;
VALUE rblapack_y_out__;
real *y_out__;
integer n;
VALUE rblapack_options;
if (argc > 0 && TYPE(argv[argc-1]) == T_HASH) {
argc--;
rblapack_options = argv[argc];
if (rb_hash_aref(rblapack_options, sHelp) == Qtrue) {
printf("%s\n", "USAGE:\n x, y = NumRu::Lapack.sla_wwaddw( x, y, w, [:usage => usage, :help => help])\n\n\nFORTRAN MANUAL\n SUBROUTINE SLA_WWADDW( N, X, Y, W )\n\n* Purpose\n* =======\n*\n* SLA_WWADDW adds a vector W into a doubled-single vector (X, Y).\n*\n* This works for all extant IBM's hex and binary floating point\n* arithmetics, but not for decimal.\n*\n\n* Arguments\n* =========\n*\n* N (input) INTEGER\n* The length of vectors X, Y, and W.\n*\n* X (input/output) REAL array, dimension (N)\n* The first part of the doubled-single accumulation vector.\n*\n* Y (input/output) REAL array, dimension (N)\n* The second part of the doubled-single accumulation vector.\n*\n* W (input) REAL array, dimension (N)\n* The vector to be added.\n*\n\n* =====================================================================\n*\n* .. Local Scalars ..\n REAL S\n INTEGER I\n* ..\n\n");
return Qnil;
}
if (rb_hash_aref(rblapack_options, sUsage) == Qtrue) {
printf("%s\n", "USAGE:\n x, y = NumRu::Lapack.sla_wwaddw( x, y, w, [:usage => usage, :help => help])\n");
return Qnil;
}
} else
rblapack_options = Qnil;
if (argc != 3 && argc != 3)
rb_raise(rb_eArgError,"wrong number of arguments (%d for 3)", argc);
rblapack_x = argv[0];
rblapack_y = argv[1];
rblapack_w = argv[2];
if (argc == 3) {
} else if (rblapack_options != Qnil) {
} else {
}
if (!NA_IsNArray(rblapack_x))
rb_raise(rb_eArgError, "x (1th argument) must be NArray");
if (NA_RANK(rblapack_x) != 1)
rb_raise(rb_eArgError, "rank of x (1th argument) must be %d", 1);
n = NA_SHAPE0(rblapack_x);
if (NA_TYPE(rblapack_x) != NA_SFLOAT)
rblapack_x = na_change_type(rblapack_x, NA_SFLOAT);
x = NA_PTR_TYPE(rblapack_x, real*);
if (!NA_IsNArray(rblapack_w))
rb_raise(rb_eArgError, "w (3th argument) must be NArray");
if (NA_RANK(rblapack_w) != 1)
rb_raise(rb_eArgError, "rank of w (3th argument) must be %d", 1);
if (NA_SHAPE0(rblapack_w) != n)
rb_raise(rb_eRuntimeError, "shape 0 of w must be the same as shape 0 of x");
if (NA_TYPE(rblapack_w) != NA_SFLOAT)
rblapack_w = na_change_type(rblapack_w, NA_SFLOAT);
w = NA_PTR_TYPE(rblapack_w, real*);
if (!NA_IsNArray(rblapack_y))
rb_raise(rb_eArgError, "y (2th argument) must be NArray");
if (NA_RANK(rblapack_y) != 1)
rb_raise(rb_eArgError, "rank of y (2th argument) must be %d", 1);
if (NA_SHAPE0(rblapack_y) != n)
rb_raise(rb_eRuntimeError, "shape 0 of y must be the same as shape 0 of x");
if (NA_TYPE(rblapack_y) != NA_SFLOAT)
rblapack_y = na_change_type(rblapack_y, NA_SFLOAT);
y = NA_PTR_TYPE(rblapack_y, real*);
{
na_shape_t shape[1];
shape[0] = n;
rblapack_x_out__ = na_make_object(NA_SFLOAT, 1, shape, cNArray);
}
x_out__ = NA_PTR_TYPE(rblapack_x_out__, real*);
MEMCPY(x_out__, x, real, NA_TOTAL(rblapack_x));
rblapack_x = rblapack_x_out__;
x = x_out__;
{
na_shape_t shape[1];
shape[0] = n;
rblapack_y_out__ = na_make_object(NA_SFLOAT, 1, shape, cNArray);
}
y_out__ = NA_PTR_TYPE(rblapack_y_out__, real*);
MEMCPY(y_out__, y, real, NA_TOTAL(rblapack_y));
rblapack_y = rblapack_y_out__;
y = y_out__;
sla_wwaddw_(&n, x, y, w);
return rb_ary_new3(2, rblapack_x, rblapack_y);
#else
return Qnil;
#endif
}
void
init_lapack_sla_wwaddw(VALUE mLapack, VALUE sH, VALUE sU, VALUE zero){
sHelp = sH;
sUsage = sU;
rblapack_ZERO = zero;
rb_define_module_function(mLapack, "sla_wwaddw", rblapack_sla_wwaddw, -1);
}
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