/*===========================================================================
R5RS : 6.3 Other data types : 6.3.1 Booleans
===========================================================================*/
SCM_EXPORT ScmObj
scm_p_not(ScmObj obj)
{
DECLARE_FUNCTION("not", procedure_fixed_1);
return MAKE_BOOL(FALSEP(obj));
}
/* Bitwise Operations */
SCM_EXPORT ScmObj
scm_p_srfi60_logand(ScmObj left, ScmObj right, enum ScmReductionState *state)
{
DECLARE_FUNCTION("logand", reduction_operator);
BITWISE_OPERATION_BODY(&, left, right, -1);
}
SCM_EXPORT ScmObj
scm_p_booleanp(ScmObj obj)
{
DECLARE_FUNCTION("boolean?", procedure_fixed_1);
return MAKE_BOOL(EQ(obj, SCM_FALSE) || EQ(obj, SCM_TRUE));
}
/* The name 'error?' should be reserved for SRFI-35 */
SCM_EXPORT ScmObj
scm_p_error_objectp(ScmObj obj)
{
DECLARE_FUNCTION("%%error-object?", procedure_fixed_1);
return MAKE_BOOL(CONSP(obj) && EQ(CAR(obj), l_err_obj_tag));
}
/*=======================================
R5RS : 6.4 Control Features
=======================================*/
SCM_EXPORT ScmObj
scm_p_procedurep(ScmObj obj)
{
DECLARE_FUNCTION("procedure?", procedure_fixed_1);
return MAKE_BOOL(PROCEDUREP(obj));
}
/*===========================================================================
R5RS : 6.1 Equivalence predicates
===========================================================================*/
SCM_EXPORT ScmObj
scm_p_eqp(ScmObj obj1, ScmObj obj2)
{
DECLARE_FUNCTION("eq?", procedure_fixed_2);
return MAKE_BOOL(EQ(obj1, obj2));
}
/* R6RS (R5.91RS) compatible */
SCM_EXPORT ScmObj
scm_p_least_fixnum(void)
{
DECLARE_FUNCTION("least-fixnum", procedure_fixed_0);
return MAKE_INT(SCM_INT_MIN);
}
/* R6RS (R5.91RS) compatible */
SCM_EXPORT ScmObj
scm_p_greatest_fixnum(void)
{
DECLARE_FUNCTION("greatest-fixnum", procedure_fixed_0);
return MAKE_INT(SCM_INT_MAX);
}
/* R6RS (R5.91RS) compatible */
SCM_EXPORT ScmObj
scm_p_fixnum_width(void)
{
DECLARE_FUNCTION("fixnum-width", procedure_fixed_0);
return MAKE_INT(SCM_INT_BITS);
}
/*===========================================================================
R5RS : 6.4 Control features
===========================================================================*/
SCM_EXPORT ScmObj
scm_p_force(ScmObj promise)
{
ScmObj proc, result;
DECLARE_FUNCTION("force", procedure_fixed_1);
ENSURE_CONS(promise);
proc = CDR(promise);
ENSURE_PROCEDURE(proc);
if (PROMISE_FORCEDP(promise))
return CAR(promise);
/* R5RS:
* Rationale: A promise may refer to its own value, as in the last
* example above. Forcing such a promise may cause the promise to be
* forced a second time before the value of the first force has been
* computed. This complicates the definition of `make-promise'. */
result = scm_call(proc, SCM_NULL);
if (PROMISE_FORCEDP(promise))
return CAR(promise);
SET_CAR(promise, result);
return result;
}
/*===========================================================================
R5RS : 6.3 Other data types : 6.3.3 Symbols
===========================================================================*/
SCM_EXPORT ScmObj
scm_p_symbolp(ScmObj obj)
{
DECLARE_FUNCTION("symbol?", procedure_fixed_1);
return MAKE_BOOL(SYMBOLP(obj));
}
SCM_EXPORT ScmObj
scm_p_sscm_version(void)
{
DECLARE_FUNCTION("sscm-version", procedure_fixed_0);
/* PACKAGE_VERSION may be overridden by a master package such as uim. */
return CONST_STRING(SSCM_VERSION_STRING);
}
/*
* TODO: replace original specification with a SRFI standard or other de facto
* standard
*/
SCM_EXPORT ScmObj
scm_p_providedp(ScmObj feature)
{
DECLARE_FUNCTION("provided?", procedure_fixed_1);
ENSURE_STRING(feature);
return MAKE_BOOL(scm_providedp(feature));
}
SCM_EXPORT ScmObj
scm_p_pair_mutablep(ScmObj kons)
{
DECLARE_FUNCTION("%%pair-mutable?", procedure_fixed_1);
ENSURE_CONS(kons);
return MAKE_BOOL(SCM_CONS_MUTABLEP(kons));
}
SCM_EXPORT ScmObj
scm_p_backtrace(void)
{
DECLARE_FUNCTION("%%backtrace", procedure_fixed_0);
scm_show_backtrace(scm_trace_stack());
return SCM_UNDEF;
}
SCM_EXPORT ScmObj
scm_p_srfi60_lognot(ScmObj n)
{
DECLARE_FUNCTION("lognot", procedure_fixed_1);
ENSURE_INT(n);
return MAKE_INT(~SCM_INT_VALUE(n));
}
SCM_EXPORT ScmObj
scm_p_current_environment(ScmEvalState *eval_state)
{
DECLARE_FUNCTION("%%current-environment", procedure_fixed_tailrec_0);
eval_state->ret_type = SCM_VALTYPE_AS_IS;
return eval_state->env;
}
SCM_EXPORT ScmObj
scm_p_string2symbol(ScmObj str)
{
DECLARE_FUNCTION("string->symbol", procedure_fixed_1);
ENSURE_STRING(str);
return scm_intern(SCM_STRING_STR(str));
}
SCM_EXPORT ScmObj
scm_p_symbol2string(ScmObj sym)
{
DECLARE_FUNCTION("symbol->string", procedure_fixed_1);
ENSURE_SYMBOL(sym);
return CONST_STRING(SCM_SYMBOL_NAME(sym));
}
SCM_EXPORT ScmObj
scm_p_srfi60_logtest(ScmObj j, ScmObj k)
{
DECLARE_FUNCTION("logtest", procedure_fixed_2);
ENSURE_INT(j);
ENSURE_INT(k);
return MAKE_BOOL(SCM_INT_VALUE(j) & SCM_INT_VALUE(k));
}
/*===========================================================================
R5RS : 4.2 Derived expression types : 4.2.5 Delayed evaluation
===========================================================================*/
SCM_EXPORT ScmObj
scm_s_delay(ScmObj exp, ScmObj env)
{
ScmObj proc;
DECLARE_FUNCTION("delay", syntax_fixed_1);
proc = scm_s_lambda(SCM_NULL, LIST_1(exp), env);
/* (result . proc) */
return CONS(l_tag_unforced, proc);
}
/*
* TODO: replace original specification with a SRFI standard or other de facto
* standard
*/
SCM_EXPORT ScmObj
scm_p_provide(ScmObj feature)
{
DECLARE_FUNCTION("provide", procedure_fixed_1);
ENSURE_STRING(feature);
scm_provide(feature);
return SCM_TRUE;
}
SCM_EXPORT ScmObj
scm_p_prealloc_heaps(ScmObj n)
{
DECLARE_FUNCTION("%%prealloc-heaps", procedure_fixed_1);
ENSURE_INT(n);
if (SCM_INT_VALUE(n) < 0)
ERR_OBJ("non-negative number required but got", n);
scm_prealloc_heaps((size_t)SCM_INT_VALUE(n));
return n;
}
SCM_EXPORT ScmObj
scm_p_current_char_codec(void)
{
const char *encoding;
DECLARE_FUNCTION("%%current-char-codec", procedure_fixed_0);
#if SCM_USE_MULTIBYTE_CHAR
encoding = SCM_CHARCODEC_ENCODING(scm_current_char_codec);
#else
encoding = "ISO-8859-1";
#endif
return CONST_STRING(encoding);
}
// the main method where all calculations are done
void SmartMeshMorphDeformer::Update(Actor* actor, Node* node, const double timeDelta)
{
DECLARE_FUNCTION(Update)
// get the deform data and number of vertices to deform
MeshExpressionPart::DeformData* deformData = mMeshExpressionPart->mDeformDatas[ mDeformDataNr ];
const int numDeformVerts = deformData->mNumVerts;
// this mesh deformer can't work on this mesh, because the deformdata number of vertices is bigger than the
// number of vertices inside this mesh!
// and that would make it crash, which isn't what we want
if (numDeformVerts > mMesh->GetNumVertices())
return;
// get the weight value and convert it to a range based weight value
const float weight = mMeshExpressionPart->CalcRangedWeight( mMeshExpressionPart->GetWeight() );
// nothing to do when the weight is too small
bool nearZero = InRange<float>(weight, -Math::EPSILON, Math::EPSILON);
// we are near zero, and the previous frame as well, so we can return
if (nearZero && mLastNearZero)
return;
// update the flag
if (nearZero)
mLastNearZero = true;
else
mLastNearZero = false; // we moved away from zero influence
// some vars we need
Vector3* positions = mMesh->GetPositions();
Vector3* normals = mMesh->GetNormals();
int* vertexNumbers = deformData->mVertexNumbers;
Compressed16BitVector3* deltas = deformData->mDeltas;
Compressed8BitVector3* deltaNormals = deformData->mDeltaNormals;
const float minValue = deformData->mMinValue;
const float maxValue = deformData->mMaxValue;
// process all touched vertices
int v;
int vtxNr;
for (v=0; v<numDeformVerts; v++)
{
vtxNr = vertexNumbers[v];
positions[vtxNr] += deltas[v].ToVector3(minValue, maxValue) * weight;
normals [vtxNr] += deltaNormals[v].ToVector3(-1.0f, 1.0f) * weight;
}
}
SCM_EXPORT ScmObj
scm_p_inspect_error(ScmObj err_obj)
{
ScmObj rest;
#if SCM_USE_BACKTRACE
ScmObj trace_stack;
#endif
DECLARE_FUNCTION("%%inspect-error", procedure_fixed_1);
if (ERROBJP(err_obj)) {
rest = err_obj;
MUST_POP_ARG(rest);
MUST_POP_ARG(rest);
MUST_POP_ARG(rest);
#if SCM_USE_BACKTRACE
trace_stack = MUST_POP_ARG(rest);
#else
MUST_POP_ARG(rest);
#endif
ASSERT_NO_MORE_ARG(rest);
} else {
#if SCM_USE_BACKTRACE
trace_stack = scm_trace_stack();
#else
scm_trace_stack();
#endif
}
if (scm_debug_categories() & SCM_DBG_ERRMSG) {
scm_port_puts(scm_err, SCM_ERR_HEADER);
if (ERROBJP(err_obj)) {
#if SCM_USE_SRFI38
scm_display_errobj_ss(scm_err, err_obj);
#else
scm_display(scm_err, err_obj);
#endif
} else {
scm_port_puts(scm_err, ERRMSG_UNHANDLED_EXCEPTION ": ");
SCM_WRITE_SS(scm_err, err_obj);
}
scm_port_newline(scm_err);
}
#if SCM_USE_BACKTRACE
if (scm_debug_categories() & SCM_DBG_BACKTRACE)
scm_show_backtrace(trace_stack);
#endif
return SCM_UNDEF;
}
SCM_EXPORT ScmObj
scm_p_srfi60_bitwise_if(ScmObj mask, ScmObj n0, ScmObj n1)
{
scm_int_t result, c_mask;
DECLARE_FUNCTION("bitwise-if", procedure_fixed_3);
ENSURE_INT(mask);
ENSURE_INT(n0);
ENSURE_INT(n1);
c_mask = SCM_INT_VALUE(mask);
result = (c_mask & SCM_INT_VALUE(n0)) | (~c_mask & SCM_INT_VALUE(n1));
return MAKE_INT(result);
}
SCM_EXPORT ScmObj
scm_p_map(ScmObj proc, ScmObj args)
{
DECLARE_FUNCTION("map", procedure_variadic_1);
if (NULLP(args))
ERR("wrong number of arguments");
/* fast path for single arg case */
if (NULLP(CDR(args)))
return scm_map_single_arg(proc, CAR(args));
/* multiple args case */
return scm_map_multiple_args(proc, args, scm_false);
}
/*
* Dotted list length is returned as follows:
*
* list SRFI-1 dotted length length* result
* 'term 0 -1
* '(1 . term) 1 -2
* '(1 2 . term) 2 -3
* '(1 2 3 . term) 3 -4
*/
SCM_EXPORT ScmObj
scm_p_lengthstar(ScmObj lst)
{
scm_int_t len;
DECLARE_FUNCTION("length*", procedure_fixed_1);
len = scm_length(lst);
if (!SCM_LISTLEN_PROPERP(len)) { /* make fast path for proper list */
if (SCM_LISTLEN_DOTTEDP(len))
len = -SCM_LISTLEN_DOTTED(len) - 1;
else if (SCM_LISTLEN_CIRCULARP(len))
return SCM_FALSE;
}
return MAKE_INT(len);
}
SCM_EXPORT ScmObj
scm_p_eqvp(ScmObj obj1, ScmObj obj2)
{
#if SCM_HAS_EQVP
#define scm_p_eqvp error_eqvp_recursed__ /* Safety measure. */
return EQVP(obj1, obj2);
#undef scm_p_eqvp
#else /* don't have inlined EQVP() */
#if (!(SCM_HAS_IMMEDIATE_NUMBER_ONLY && SCM_HAS_IMMEDIATE_CHAR_ONLY))
enum ScmObjType type;
#endif
DECLARE_FUNCTION("eqv?", procedure_fixed_2);
if (EQ(obj1, obj2))
return SCM_TRUE;
#if (!(SCM_HAS_IMMEDIATE_NUMBER_ONLY && SCM_HAS_IMMEDIATE_CHAR_ONLY))
type = SCM_TYPE(obj1);
/* different type */
if (type != SCM_TYPE(obj2))
return SCM_FALSE;
/* same type */
switch (type) {
#if (SCM_USE_INT && !SCM_HAS_IMMEDIATE_INT_ONLY)
case ScmInt:
return MAKE_BOOL(SCM_INT_VALUE(obj1) == SCM_INT_VALUE(obj2));
#endif
#if (SCM_USE_CHAR && !SCM_HAS_IMMEDIATE_CHAR_ONLY)
case ScmChar:
return MAKE_BOOL(SCM_CHAR_VALUE(obj1) == SCM_CHAR_VALUE(obj2));
#endif
default:
break;
}
#endif /* (!(SCM_HAS_IMMEDIATE_NUMBER_ONLY && SCM_HAS_IMMEDIATE_CHAR_ONLY)) */
return SCM_FALSE;
#endif /* don't have inlined EQVP() */
}
