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#include "rb_lapack.h"
extern integer ieeeck_(integer* ispec, real* zero, real* one);
static VALUE
rblapack_ieeeck(int argc, VALUE *argv, VALUE self){
VALUE rblapack_ispec;
integer ispec;
VALUE rblapack_zero;
real zero;
VALUE rblapack_one;
real one;
VALUE rblapack___out__;
integer __out__;
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 __out__ = NumRu::Lapack.ieeeck( ispec, zero, one, [:usage => usage, :help => help])\n\n\nFORTRAN MANUAL\n INTEGER FUNCTION IEEECK( ISPEC, ZERO, ONE )\n\n* Purpose\n* =======\n*\n* IEEECK is called from the ILAENV to verify that Infinity and\n* possibly NaN arithmetic is safe (i.e. will not trap).\n*\n\n* Arguments\n* =========\n*\n* ISPEC (input) INTEGER\n* Specifies whether to test just for inifinity arithmetic\n* or whether to test for infinity and NaN arithmetic.\n* = 0: Verify infinity arithmetic only.\n* = 1: Verify infinity and NaN arithmetic.\n*\n* ZERO (input) REAL\n* Must contain the value 0.0\n* This is passed to prevent the compiler from optimizing\n* away this code.\n*\n* ONE (input) REAL\n* Must contain the value 1.0\n* This is passed to prevent the compiler from optimizing\n* away this code.\n*\n* RETURN VALUE: INTEGER\n* = 0: Arithmetic failed to produce the correct answers\n* = 1: Arithmetic produced the correct answers\n*\n* .. Local Scalars ..\n REAL NAN1, NAN2, NAN3, NAN4, NAN5, NAN6, NEGINF,\n $ NEGZRO, NEWZRO, POSINF\n* ..\n\n");
return Qnil;
}
if (rb_hash_aref(rblapack_options, sUsage) == Qtrue) {
printf("%s\n", "USAGE:\n __out__ = NumRu::Lapack.ieeeck( ispec, zero, one, [: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_ispec = argv[0];
rblapack_zero = argv[1];
rblapack_one = argv[2];
if (argc == 3) {
} else if (rblapack_options != Qnil) {
} else {
}
ispec = NUM2INT(rblapack_ispec);
one = (real)NUM2DBL(rblapack_one);
zero = (real)NUM2DBL(rblapack_zero);
__out__ = ieeeck_(&ispec, &zero, &one);
rblapack___out__ = INT2NUM(__out__);
return rblapack___out__;
}
void
init_lapack_ieeeck(VALUE mLapack, VALUE sH, VALUE sU, VALUE zero){
sHelp = sH;
sUsage = sU;
rblapack_ZERO = zero;
rb_define_module_function(mLapack, "ieeeck", rblapack_ieeeck, -1);
}
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