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-rw-r--r--generic/tclBasic.c996
1 files changed, 547 insertions, 449 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index 0198a4e..b2bef10 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -13,13 +13,14 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclBasic.c,v 1.174 2005/09/15 16:40:02 dgp Exp $
+ * RCS: @(#) $Id: tclBasic.c,v 1.175 2005/10/08 14:42:44 dgp Exp $
*/
#include "tclInt.h"
#include "tclCompile.h"
#include <float.h>
#include <math.h>
+#include "tommath.h"
/*
* The following structure defines the client data for a math function
@@ -37,90 +38,48 @@ typedef struct OldMathFuncData {
* Static procedures in this file:
*/
-static char * CallCommandTraces(Interp *iPtr, Command *cmdPtr,
+static char * CallCommandTraces (Interp *iPtr, Command *cmdPtr,
CONST char *oldName, CONST char* newName, int flags);
-static void DeleteInterpProc(Tcl_Interp *interp);
-static void ProcessUnexpectedResult(Tcl_Interp *interp, int returnCode);
+static int CheckDoubleResult (Tcl_Interp *interp, double dResult);
+static void DeleteInterpProc (Tcl_Interp *interp);
+static void ProcessUnexpectedResult (Tcl_Interp *interp, int returnCode);
-static int OldMathFuncProc(ClientData clientData, Tcl_Interp *interp,
+static int OldMathFuncProc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static void OldMathFuncDeleteProc(ClientData clientData);
+static void OldMathFuncDeleteProc (ClientData clientData);
-static int ExprAbsFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprAbsFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprBinaryFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprBinaryFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprBoolFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprBoolFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprDoubleFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprCeilFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprIntFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprDoubleFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprRandFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprEntierFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprRoundFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprFloorFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprSrandFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprIntFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprUnaryFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprRandFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int ExprWideFunc(ClientData clientData, Tcl_Interp *interp,
+static int ExprRoundFunc (ClientData clientData, Tcl_Interp *interp,
int argc, Tcl_Obj *CONST *objv);
-static int VerifyExprObjType(Tcl_Interp *interp, Tcl_Obj *objPtr);
-
-static void MathFuncWrongNumArgs(Tcl_Interp* interp, int expected,
+static int ExprSqrtFunc (ClientData clientData, Tcl_Interp *interp,
+ int argc, Tcl_Obj *CONST *objv);
+static int ExprSrandFunc (ClientData clientData, Tcl_Interp *interp,
+ int argc, Tcl_Obj *CONST *objv);
+static int ExprUnaryFunc (ClientData clientData, Tcl_Interp *interp,
+ int argc, Tcl_Obj *CONST *objv);
+static int ExprWideFunc (ClientData clientData, Tcl_Interp *interp,
+ int argc, Tcl_Obj *CONST *objv);
+static void MathFuncWrongNumArgs (Tcl_Interp* interp, int expected,
int actual, Tcl_Obj *CONST *objv);
-#ifndef TCL_WIDE_INT_IS_LONG
-/*
- * Extract a double value from a general numeric object.
- */
-
-#define GET_DOUBLE_VALUE(doubleVar, objPtr, typePtr) \
- if ((typePtr) == &tclIntType) { \
- (doubleVar) = (double) (objPtr)->internalRep.longValue; \
- } else if ((typePtr) == &tclWideIntType) { \
- (doubleVar) = Tcl_WideAsDouble((objPtr)->internalRep.wideValue);\
- } else { \
- (doubleVar) = (objPtr)->internalRep.doubleValue; \
- }
-#else /* TCL_WIDE_INT_IS_LONG */
-#define GET_DOUBLE_VALUE(doubleVar, objPtr, typePtr) \
- if (((typePtr) == &tclIntType) || ((typePtr) == &tclWideIntType)) { \
- (doubleVar) = (double) (objPtr)->internalRep.longValue; \
- } else { \
- (doubleVar) = (objPtr)->internalRep.doubleValue; \
- }
-#endif /* TCL_WIDE_INT_IS_LONG */
-#define GET_WIDE_OR_INT(resultVar, objPtr, longVar, wideVar) \
- (resultVar) = Tcl_GetWideIntFromObj((Tcl_Interp *) NULL, (objPtr), \
- &(wideVar)); \
- if ((resultVar) == TCL_OK && (wideVar) >= Tcl_LongAsWide(LONG_MIN) \
- && (wideVar) <= Tcl_LongAsWide(LONG_MAX)) { \
- (objPtr)->typePtr = &tclIntType; \
- (objPtr)->internalRep.longValue = (longVar) \
- = Tcl_WideAsLong(wideVar); \
- }
-#define IS_INTEGER_TYPE(typePtr) \
- ((typePtr) == &tclIntType || (typePtr) == &tclWideIntType)
-#define IS_NUMERIC_TYPE(typePtr) \
- (IS_INTEGER_TYPE(typePtr) || (typePtr) == &tclDoubleType)
-
-/*
- * Macros for testing floating-point values for certain special cases. Test
- * for not-a-number by comparing a value against itself; test for infinity by
- * comparing against the largest floating-point value.
- */
-
-#ifdef _MSC_VER
-#define IS_NAN(f) (_isnan((f)))
-#define IS_INF(f) (!(_finite((f))))
-#else
-#define IS_NAN(f) ((f) != (f))
-#define IS_INF(f) (((f) > DBL_MAX) || ((f) < -DBL_MAX))
-#endif
-
extern TclStubs tclStubs;
/*
@@ -251,12 +210,13 @@ static BuiltinFuncDef BuiltinFuncTable[] = {
{ "::tcl::mathfunc::atan", ExprUnaryFunc, (ClientData) atan },
{ "::tcl::mathfunc::atan2", ExprBinaryFunc, (ClientData) atan2 },
{ "::tcl::mathfunc::bool", ExprBoolFunc, NULL },
- { "::tcl::mathfunc::ceil", ExprUnaryFunc, (ClientData) ceil },
+ { "::tcl::mathfunc::ceil", ExprCeilFunc, NULL },
{ "::tcl::mathfunc::cos", ExprUnaryFunc, (ClientData) cos },
{ "::tcl::mathfunc::cosh", ExprUnaryFunc, (ClientData) cosh },
{ "::tcl::mathfunc::double",ExprDoubleFunc, NULL },
+ { "::tcl::mathfunc::entier",ExprEntierFunc, NULL },
{ "::tcl::mathfunc::exp", ExprUnaryFunc, (ClientData) exp },
- { "::tcl::mathfunc::floor", ExprUnaryFunc, (ClientData) floor },
+ { "::tcl::mathfunc::floor", ExprFloorFunc, NULL },
{ "::tcl::mathfunc::fmod", ExprBinaryFunc, (ClientData) fmod },
{ "::tcl::mathfunc::hypot", ExprBinaryFunc, (ClientData) hypot },
{ "::tcl::mathfunc::int", ExprIntFunc, NULL },
@@ -267,7 +227,7 @@ static BuiltinFuncDef BuiltinFuncTable[] = {
{ "::tcl::mathfunc::round", ExprRoundFunc, NULL },
{ "::tcl::mathfunc::sin", ExprUnaryFunc, (ClientData) sin },
{ "::tcl::mathfunc::sinh", ExprUnaryFunc, (ClientData) sinh },
- { "::tcl::mathfunc::sqrt", ExprUnaryFunc, (ClientData) sqrt },
+ { "::tcl::mathfunc::sqrt", ExprSqrtFunc, NULL },
{ "::tcl::mathfunc::srand", ExprSrandFunc, NULL },
{ "::tcl::mathfunc::tan", ExprUnaryFunc, (ClientData) tan },
{ "::tcl::mathfunc::tanh", ExprUnaryFunc, (ClientData) tanh },
@@ -2873,7 +2833,10 @@ OldMathFuncProc(clientData, interp, objc, objv)
Tcl_Value args[MAX_MATH_ARGS];
Tcl_Value funcResult;
int result;
- int i, j, k;
+#if 0
+ int i;
+#endif
+ int j, k;
double d;
/*
@@ -2889,6 +2852,7 @@ OldMathFuncProc(clientData, interp, objc, objv)
* Convert arguments from Tcl_Obj's to Tcl_Value's.
*/
+#if 0
for (j = 1, k = 0; j < objc; ++j, ++k) {
valuePtr = objv[j];
if (VerifyExprObjType(interp, valuePtr) != TCL_OK) {
@@ -2939,11 +2903,75 @@ OldMathFuncProc(clientData, interp, objc, objv)
}
}
}
+#else
+ for (j = 1, k = 0; j < objc; ++j, ++k) {
+ valuePtr = objv[j];
+ result = Tcl_GetDoubleFromObj(NULL, valuePtr, &d);
+#ifdef ACCEPT_NAN
+ if ((result != TCL_OK) && (valuePtr->typePtr == &tclDoubleType)) {
+ d = valuePtr->internalRep.doubleValue;
+ result = TCL_OK;
+ }
+#endif
+ if (result != TCL_OK) {
+ /* Non-numeric argument */
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "argument to math function didn't have numeric value", -1));
+ TclCheckBadOctal(interp, Tcl_GetString(valuePtr));
+ return TCL_ERROR;
+ }
+
+ /*
+ * Copy the object's numeric value to the argument record,
+ * converting it if necessary.
+ *
+ * NOTE: no bignum support; use the new mathfunc interface for that
+ */
+
+ args[k].type = dataPtr->argTypes[k];
+ switch (args[k].type) {
+ case TCL_EITHER:
+ if (Tcl_GetLongFromObj(NULL, valuePtr, &(args[k].intValue))
+ == TCL_OK) {
+ args[k].type = TCL_INT;
+ break;
+ }
+ if (Tcl_GetWideIntFromObj(interp, valuePtr, &(args[k].wideValue))
+ == TCL_OK) {
+ args[k].type = TCL_WIDE_INT;
+ break;
+ }
+ args[k].type = TCL_DOUBLE;
+ /* FALLTHROUGH */
+
+ case TCL_DOUBLE:
+ args[k].doubleValue = d;
+ break;
+ case TCL_INT:
+ if (ExprIntFunc(NULL, interp, 2, &(objv[j-1])) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ valuePtr = Tcl_GetObjResult(interp);
+ Tcl_GetLongFromObj(NULL, valuePtr, &(args[k].intValue));
+ Tcl_ResetResult(interp);
+ break;
+ case TCL_WIDE_INT:
+ if (ExprWideFunc(NULL, interp, 2, &(objv[j-1])) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ valuePtr = Tcl_GetObjResult(interp);
+ Tcl_GetWideIntFromObj(NULL, valuePtr, &(args[k].wideValue));
+ Tcl_ResetResult(interp);
+ break;
+ }
+ }
+#endif
/*
* Call the function.
*/
+ errno = 0;
result = (*dataPtr->proc)(dataPtr->clientData, interp, args, &funcResult);
if (result != TCL_OK) {
return result;
@@ -2956,18 +2984,12 @@ OldMathFuncProc(clientData, interp, objc, objv)
if (funcResult.type == TCL_INT) {
TclNewLongObj(valuePtr, funcResult.intValue);
} else if (funcResult.type == TCL_WIDE_INT) {
- TclNewWideIntObj(valuePtr, funcResult.wideValue);
+ valuePtr = Tcl_NewWideIntObj(funcResult.wideValue);
} else {
- d = funcResult.doubleValue;
- if (IS_NAN(d) || IS_INF(d)) {
- TclExprFloatError(interp, d);
- return TCL_ERROR;
- }
- TclNewDoubleObj(valuePtr, d);
+ return CheckDoubleResult(interp, funcResult.doubleValue);
}
Tcl_SetObjResult(interp, valuePtr);
return TCL_OK;
-
}
/*
@@ -4191,64 +4213,18 @@ Tcl_ExprLong(interp, exprstring, ptr)
long *ptr; /* Where to store result. */
{
register Tcl_Obj *exprPtr;
- Tcl_Obj *resultPtr;
- int length = strlen(exprstring);
int result = TCL_OK;
-
- if (length > 0) {
- exprPtr = Tcl_NewStringObj(exprstring, length);
+ if (*exprstring == '\0') {
+ /* Legacy compatibility - return 0 for the zero-length string. */
+ *ptr = 0;
+ } else {
+ exprPtr = Tcl_NewStringObj(exprstring, -1);
Tcl_IncrRefCount(exprPtr);
- result = Tcl_ExprObj(interp, exprPtr, &resultPtr);
- if (result == TCL_OK) {
- /*
- * Store an integer based on the expression result.
- */
-
- if (resultPtr->typePtr == &tclIntType) {
- *ptr = resultPtr->internalRep.longValue;
- } else if (resultPtr->typePtr == &tclDoubleType) {
- *ptr = (long) resultPtr->internalRep.doubleValue;
- } else if (resultPtr->typePtr == &tclWideIntType) {
-#ifndef TCL_WIDE_INT_IS_LONG
- /*
- * See Tcl_GetIntFromObj for conversion comments.
- */
-
- Tcl_WideInt w = resultPtr->internalRep.wideValue;
-
- if ((w >= -(Tcl_WideInt)(ULONG_MAX))
- && (w <= (Tcl_WideInt)(ULONG_MAX))) {
- *ptr = Tcl_WideAsLong(w);
- } else {
- Tcl_SetResult(interp,
- "integer value too large to represent as non-long integer",
- TCL_STATIC);
- result = TCL_ERROR;
- }
-#else
- *ptr = resultPtr->internalRep.longValue;
-#endif
- } else {
- Tcl_SetResult(interp,
- "expression didn't have numeric value", TCL_STATIC);
- result = TCL_ERROR;
- }
- Tcl_DecrRefCount(resultPtr);/* discard the result object */
- } else {
- /*
- * Move the interpreter's object result to the string result, then
- * reset the object result.
- */
-
+ result = Tcl_ExprLongObj(interp, exprPtr, ptr);
+ Tcl_DecrRefCount(exprPtr);
+ if (result != TCL_OK) {
(void) Tcl_GetStringResult(interp);
}
- Tcl_DecrRefCount(exprPtr); /* discard the expression object */
- } else {
- /*
- * An empty string. Just set the result integer to 0.
- */
-
- *ptr = 0;
}
return result;
}
@@ -4261,64 +4237,19 @@ Tcl_ExprDouble(interp, exprstring, ptr)
double *ptr; /* Where to store result. */
{
register Tcl_Obj *exprPtr;
- Tcl_Obj *resultPtr;
- int length = strlen(exprstring);
int result = TCL_OK;
- if (length > 0) {
- exprPtr = Tcl_NewStringObj(exprstring, length);
+ if (*exprstring == '\0') {
+ /* Legacy compatibility - return 0 for the zero-length string. */
+ *ptr = 0.0;
+ } else {
+ exprPtr = Tcl_NewStringObj(exprstring, -1);
Tcl_IncrRefCount(exprPtr);
- result = Tcl_ExprObj(interp, exprPtr, &resultPtr);
- if (result == TCL_OK) {
- /*
- * Store a double based on the expression result.
- */
-
- if (resultPtr->typePtr == &tclIntType) {
- *ptr = (double) resultPtr->internalRep.longValue;
- } else if (resultPtr->typePtr == &tclDoubleType) {
- *ptr = resultPtr->internalRep.doubleValue;
- } else if (resultPtr->typePtr == &tclWideIntType) {
-#ifndef TCL_WIDE_INT_IS_LONG
- /*
- * See Tcl_GetIntFromObj for conversion comments.
- */
-
- Tcl_WideInt w = resultPtr->internalRep.wideValue;
-
- if ((w >= -(Tcl_WideInt)(ULONG_MAX))
- && (w <= (Tcl_WideInt)(ULONG_MAX))) {
- *ptr = (double) Tcl_WideAsLong(w);
- } else {
- Tcl_SetResult(interp,
- "integer value too large to represent as non-long integer",
- TCL_STATIC);
- result = TCL_ERROR;
- }
-#else
- *ptr = (double) resultPtr->internalRep.longValue;
-#endif
- } else {
- Tcl_SetResult(interp,
- "expression didn't have numeric value", TCL_STATIC);
- result = TCL_ERROR;
- }
- Tcl_DecrRefCount(resultPtr);/* discard the result object */
- } else {
- /*
- * Move the interpreter's object result to the string result, then
- * reset the object result.
- */
-
+ result = Tcl_ExprDoubleObj(interp, exprPtr, ptr);
+ Tcl_DecrRefCount(exprPtr); /* discard the expression object */
+ if (result != TCL_OK) {
(void) Tcl_GetStringResult(interp);
}
- Tcl_DecrRefCount(exprPtr); /* discard the expression object */
- } else {
- /*
- * An empty string. Just set the result double to 0.0.
- */
-
- *ptr = 0.0;
}
return result;
}
@@ -4385,22 +4316,42 @@ Tcl_ExprLongObj(interp, objPtr, ptr)
long *ptr; /* Where to store long result. */
{
Tcl_Obj *resultPtr;
- int result;
+ int result, type;
+ double d;
+ ClientData internalPtr;
result = Tcl_ExprObj(interp, objPtr, &resultPtr);
- if (result == TCL_OK) {
- if (resultPtr->typePtr == &tclIntType) {
- *ptr = resultPtr->internalRep.longValue;
- } else if (resultPtr->typePtr == &tclDoubleType) {
- *ptr = (long) resultPtr->internalRep.doubleValue;
- } else {
- result = Tcl_GetLongFromObj(interp, resultPtr, ptr);
- if (result != TCL_OK) {
- return result;
- }
+ if (result != TCL_OK) {
+ return TCL_ERROR;
+ }
+
+ if (TclGetNumberFromObj(interp, resultPtr, &internalPtr, &type) != TCL_OK) {
+ return TCL_ERROR;
+ }
+
+ switch (type) {
+ case TCL_NUMBER_DOUBLE: {
+ mp_int big;
+ d = *((CONST double *)internalPtr);
+ Tcl_DecrRefCount(resultPtr);
+ if (TclInitBignumFromDouble(interp, d, &big) != TCL_OK) {
+ return TCL_ERROR;
}
- Tcl_DecrRefCount(resultPtr); /* discard the result object */
+ resultPtr = Tcl_NewBignumObj(&big);
+ /* FALLTHROUGH */
}
+ case TCL_NUMBER_LONG:
+ case TCL_NUMBER_WIDE:
+ case TCL_NUMBER_BIG:
+ result = Tcl_GetLongFromObj(interp, resultPtr, ptr);
+ break;
+
+ case TCL_NUMBER_NAN:
+ Tcl_GetDoubleFromObj(interp, resultPtr, &d);
+ result = TCL_ERROR;
+ }
+
+ Tcl_DecrRefCount(resultPtr); /* discard the result object */
return result;
}
@@ -4412,22 +4363,31 @@ Tcl_ExprDoubleObj(interp, objPtr, ptr)
double *ptr; /* Where to store double result. */
{
Tcl_Obj *resultPtr;
- int result;
+ int result, type;
+ ClientData internalPtr;
result = Tcl_ExprObj(interp, objPtr, &resultPtr);
+ if (result != TCL_OK) {
+ return TCL_ERROR;
+ }
+
+ result = TclGetNumberFromObj(interp, resultPtr, &internalPtr, &type);
if (result == TCL_OK) {
- if (resultPtr->typePtr == &tclIntType) {
- *ptr = (double) resultPtr->internalRep.longValue;
- } else if (resultPtr->typePtr == &tclDoubleType) {
- *ptr = resultPtr->internalRep.doubleValue;
- } else {
- result = Tcl_GetDoubleFromObj(interp, resultPtr, ptr);
- if (result != TCL_OK) {
- return result;
- }
+ switch (type) {
+ case TCL_NUMBER_NAN:
+#ifndef ACCEPT_NAN
+ result = Tcl_GetDoubleFromObj( interp, resultPtr, ptr );
+ break;
+#endif
+ case TCL_NUMBER_DOUBLE:
+ *ptr = *((CONST double *)internalPtr);
+ result = TCL_OK;
+ break;
+ default:
+ result = Tcl_GetDoubleFromObj( interp, resultPtr, ptr );
}
- Tcl_DecrRefCount(resultPtr); /* discard the result object */
}
+ Tcl_DecrRefCount(resultPtr); /* discard the result object */
return result;
}
@@ -5008,45 +4968,168 @@ Tcl_GetVersion(majorV, minorV, patchLevelV, type)
*/
static int
-ExprUnaryFunc(clientData, interp, objc, objv)
- ClientData clientData; /* Contains the address of a procedure that
- * takes one double argument and returns a
- * double result. */
+ExprCeilFunc(clientData, interp, objc, objv)
+ ClientData clientData; /* Ignored */
Tcl_Interp *interp; /* The interpreter in which to execute the
* function. */
int objc; /* Actual parameter count */
Tcl_Obj *CONST *objv; /* Actual parameter list */
{
- double d, dResult;
- Tcl_Obj* oResult;
+ int code;
+ double d;
+ mp_int big;
- double (*func)(double) = (double (*)(double)) clientData;
+ if (objc != 2) {
+ MathFuncWrongNumArgs(interp, 2, objc, objv);
+ return TCL_ERROR;
+ }
+ code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
+#ifdef ACCEPT_NAN
+ if ((code != TCL_OK) && (objv[1]->typePtr == &tclDoubleType)) {
+ Tcl_SetObjResult(interp, objv[1]);
+ return TCL_OK;
+ }
+#endif
+ if (code != TCL_OK) {
+ return TCL_ERROR;
+ }
+ if (Tcl_GetBignumFromObj(NULL, objv[1], &big) == TCL_OK) {
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(TclCeil(&big)));
+ mp_clear(&big);
+ } else {
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(ceil(d)));
+ }
+ return TCL_OK;
+}
- /*
- * Convert the function's argument to a double if necessary.
- */
+static int
+ExprFloorFunc(clientData, interp, objc, objv)
+ ClientData clientData; /* Ignored */
+ Tcl_Interp *interp; /* The interpreter in which to execute the
+ * function. */
+ int objc; /* Actual parameter count */
+ Tcl_Obj *CONST *objv; /* Actual parameter list */
+{
+ int code;
+ double d;
+ mp_int big;
if (objc != 2) {
MathFuncWrongNumArgs(interp, 2, objc, objv);
- } else if (Tcl_GetDoubleFromObj(interp, objv[1], &d) == TCL_OK) {
+ return TCL_ERROR;
+ }
+ code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
+#ifdef ACCEPT_NAN
+ if ((code != TCL_OK) && (objv[1]->typePtr == &tclDoubleType)) {
+ Tcl_SetObjResult(interp, objv[1]);
+ return TCL_OK;
+ }
+#endif
+ if (code != TCL_OK) {
+ return TCL_ERROR;
+ }
+ if (Tcl_GetBignumFromObj(NULL, objv[1], &big) == TCL_OK) {
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(TclFloor(&big)));
+ mp_clear(&big);
+ } else {
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(floor(d)));
+ }
+ return TCL_OK;
+}
- /*
- * Evaluate the function.
- */
+static int
+ExprSqrtFunc(clientData, interp, objc, objv)
+ ClientData clientData; /* Ignored */
+ Tcl_Interp *interp; /* The interpreter in which to execute the
+ * function. */
+ int objc; /* Actual parameter count */
+ Tcl_Obj *CONST *objv; /* Actual parameter list */
+{
+ int code;
+ double d;
+ mp_int big;
- dResult = (*func)(d);
- if ((errno != 0) || IS_NAN(dResult)) {
- if (errno != ERANGE || (dResult != 0.0 && !IS_INF(dResult))) {
- TclExprFloatError(interp, dResult);
- return TCL_ERROR;
- }
- }
- TclNewDoubleObj(oResult, dResult);
- Tcl_SetObjResult(interp, oResult);
+ if (objc != 2) {
+ MathFuncWrongNumArgs(interp, 2, objc, objv);
+ return TCL_ERROR;
+ }
+ code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
+#ifdef ACCEPT_NAN
+ if ((code != TCL_OK) && (objv[1]->typePtr == &tclDoubleType)) {
+ Tcl_SetObjResult(interp, objv[1]);
return TCL_OK;
}
+#endif
+ if (code != TCL_OK) {
+ return TCL_ERROR;
+ }
+ if (d >= 0.0 && TclIsInfinite(d)
+ && Tcl_GetBignumFromObj(NULL, objv[1], &big) == TCL_OK) {
+ mp_int root;
+ mp_init(&root);
+ mp_sqrt(&big, &root);
+ mp_clear(&big);
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(TclBignumToDouble(&root)));
+ mp_clear(&root);
+ } else {
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(sqrt(d)));
+ }
+ return TCL_OK;
+}
- return TCL_ERROR;
+static int
+ExprUnaryFunc(clientData, interp, objc, objv)
+ ClientData clientData; /* Contains the address of a procedure that
+ * takes one double argument and returns a
+ * double result. */
+ Tcl_Interp *interp; /* The interpreter in which to execute the
+ * function. */
+ int objc; /* Actual parameter count */
+ Tcl_Obj *CONST *objv; /* Actual parameter list */
+{
+ int code;
+ double d;
+ double (*func)(double) = (double (*)(double)) clientData;
+
+ if (objc != 2) {
+ MathFuncWrongNumArgs(interp, 2, objc, objv);
+ return TCL_ERROR;
+ }
+ code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
+#ifdef ACCEPT_NAN
+ if ((code != TCL_OK) && (objv[1]->typePtr == &tclDoubleType)) {
+ d = objv[1]->internalRep.doubleValue;
+ Tcl_ResetResult(interp);
+ code = TCL_OK;
+ }
+#endif
+ if (code != TCL_OK) {
+ return TCL_ERROR;
+ }
+ errno = 0;
+ return CheckDoubleResult(interp, (*func)(d));
+}
+
+static int
+CheckDoubleResult(interp, dResult)
+ Tcl_Interp *interp;
+ double dResult;
+{
+#ifndef ACCEPT_NAN
+ if (TclIsNaN(dResult)) {
+ TclExprFloatError(interp, dResult);
+ return TCL_ERROR;
+ }
+#endif
+ if ((errno == ERANGE) && ((dResult == 0.0) || TclIsInfinite(dResult))) {
+ /* When ERANGE signals under/overflow, just accept 0.0 or +/-Inf */
+ } else if (errno != 0) {
+ /* Report other errno values as errors */
+ TclExprFloatError(interp, dResult);
+ return TCL_ERROR;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(dResult));
+ return TCL_OK;
}
static int
@@ -5059,38 +5142,38 @@ ExprBinaryFunc(clientData, interp, objc, objv)
int objc; /* Actual parameter count */
Tcl_Obj *CONST *objv; /* Parameter vector */
{
- double d1, d2, dResult;
- Tcl_Obj* oResult;
-
+ int code;
+ double d1, d2;
double (*func)(double, double) = (double (*)(double, double)) clientData;
- /*
- * Convert the function's two arguments to doubles if necessary.
- */
-
if (objc != 3) {
MathFuncWrongNumArgs(interp, 3, objc, objv);
- } else if (Tcl_GetDoubleFromObj(interp, objv[1], &d1) == TCL_OK
- && Tcl_GetDoubleFromObj(interp, objv[2], &d2) == TCL_OK) {
- /*
- * Evaluate the function.
- */
-
- errno = 0;
- dResult = (*func)(d1, d2);
- if ((errno != 0) || IS_NAN(dResult)) {
- if (errno != ERANGE || (dResult != 0.0 && !IS_INF(dResult))) {
- TclExprFloatError(interp, dResult);
- return TCL_ERROR;
- }
- }
- TclNewDoubleObj(oResult, dResult);
- Tcl_SetObjResult(interp, oResult);
- return TCL_OK;
+ return TCL_ERROR;
+ }
+ code = Tcl_GetDoubleFromObj(interp, objv[1], &d1);
+#ifdef ACCEPT_NAN
+ if ((code != TCL_OK) && (objv[1]->typePtr == &tclDoubleType)) {
+ d1 = objv[1]->internalRep.doubleValue;
+ Tcl_ResetResult(interp);
+ code = TCL_OK;
}
-
- return TCL_ERROR;
-
+#endif
+ if (code != TCL_OK) {
+ return TCL_ERROR;
+ }
+ code = Tcl_GetDoubleFromObj(interp, objv[2], &d2);
+#ifdef ACCEPT_NAN
+ if ((code != TCL_OK) && (objv[2]->typePtr == &tclDoubleType)) {
+ d2 = objv[2]->internalRep.doubleValue;
+ Tcl_ResetResult(interp);
+ code = TCL_OK;
+ }
+#endif
+ if (code != TCL_OK) {
+ return TCL_ERROR;
+ }
+ errno = 0;
+ return CheckDoubleResult(interp, (*func)(d1, d2));
}
static int
@@ -5101,84 +5184,82 @@ ExprAbsFunc(clientData, interp, objc, objv)
int objc; /* Actual parameter count */
Tcl_Obj *CONST *objv; /* Parameter vector */
{
- register Tcl_Obj *valuePtr;
- long i, iResult;
- double d, dResult;
- Tcl_Obj* oResult;
+ ClientData ptr;
+ int type;
+ mp_int big;
if (objc != 2) {
MathFuncWrongNumArgs(interp, 2, objc, objv);
return TCL_ERROR;
}
- valuePtr = objv[1];
- if (VerifyExprObjType(interp, valuePtr) != TCL_OK) {
+ if (TclGetNumberFromObj(interp, objv[1], &ptr, &type) != TCL_OK) {
return TCL_ERROR;
}
- /*
- * Derive the absolute value according to the arg type.
- */
-
- if (valuePtr->typePtr == &tclIntType) {
- i = valuePtr->internalRep.longValue;
- if (i < 0) {
- iResult = -i;
- if (iResult < 0) {
-#ifdef TCL_WIDE_INT_IS_LONG
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "integer value too large to represent", -1));
- Tcl_SetErrorCode(interp, "ARITH", "IOVERFLOW",
- "integer value too large to represent", (char *) NULL);
- return TCL_ERROR;
-#else
- /*
- * Special case: abs(MIN_INT) must promote to wide.
- */
- TclNewWideIntObj(oResult, -(Tcl_WideInt) i);
- Tcl_SetObjResult(interp, oResult);
- return TCL_OK;
-#endif
+ if (type == TCL_NUMBER_LONG) {
+ long l = *((CONST long int *)ptr);
+ if (l < (long)0) {
+ if (l == LONG_MIN) {
+ TclBNInitBignumFromLong(&big, l);
+ goto tooLarge;
}
+ Tcl_SetObjResult(interp, Tcl_NewLongObj(-l));
} else {
- iResult = i;
+ Tcl_SetObjResult(interp, objv[1]);
}
- TclNewLongObj(oResult, iResult);
- Tcl_SetObjResult(interp, oResult);
- } else if (valuePtr->typePtr == &tclWideIntType) {
- Tcl_WideInt wResult, w;
+ return TCL_OK;
+ }
- TclGetWide(w, valuePtr);
+ if (type == TCL_NUMBER_DOUBLE) {
+ double d = *((CONST double *)ptr);
+ if (d < 0.0) {
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(-d));
+ } else {
+ Tcl_SetObjResult(interp, objv[1]);
+ }
+ return TCL_OK;
+ }
+
+#ifndef NO_WIDE_TYPE
+ if (type == TCL_NUMBER_WIDE) {
+ Tcl_WideInt w = *((CONST Tcl_WideInt *)ptr);
if (w < (Tcl_WideInt)0) {
- wResult = -w;
- if (wResult < 0) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "integer value too large to represent", -1));
- Tcl_SetErrorCode(interp, "ARITH", "IOVERFLOW",
- "integer value too large to represent", (char *) NULL);
- return TCL_ERROR;
+ if (w == LLONG_MIN) {
+ TclBNInitBignumFromWideInt(&big, w);
+ goto tooLarge;
}
+ Tcl_SetObjResult(interp, Tcl_NewWideIntObj(-w));
} else {
- wResult = w;
+ Tcl_SetObjResult(interp, objv[1]);
}
- TclNewWideIntObj(oResult, wResult);
- Tcl_SetObjResult(interp, oResult);
- } else {
- d = valuePtr->internalRep.doubleValue;
- if (d < 0.0) {
- dResult = -d;
+ return TCL_OK;
+ }
+#endif
+
+ if (type == TCL_NUMBER_BIG) {
+ /* TODO: const correctness ? */
+ if (mp_cmp_d((mp_int *)ptr, 0) == MP_LT) {
+ Tcl_GetBignumFromObj(NULL, objv[1], &big);
+ tooLarge:
+ mp_neg(&big, &big);
+ Tcl_SetObjResult(interp, Tcl_NewBignumObj(&big));
} else {
- dResult = d;
- }
- if (IS_NAN(dResult)) {
- TclExprFloatError(interp, dResult);
- return TCL_ERROR;
+ Tcl_SetObjResult(interp, objv[1]);
}
- TclNewDoubleObj(oResult, dResult);
- Tcl_SetObjResult(interp, oResult);
+ return TCL_OK;
}
- return TCL_OK;
+ if (type == TCL_NUMBER_NAN) {
+#ifdef ACCEPT_NAN
+ Tcl_SetObjResult(interp, objv[1]);
+ return TCL_OK;
+#else
+ double d;
+ Tcl_GetDoubleFromObj(interp, objv[1], &d);
+ return TCL_ERROR;
+#endif
+ }
}
static int
@@ -5210,8 +5291,9 @@ ExprDoubleFunc(clientData, interp, objc, objv)
int objc; /* Actual parameter count */
Tcl_Obj *CONST *objv; /* Actual parameter vector */
{
- Tcl_Obj* valuePtr;
double dResult;
+#if 0
+ Tcl_Obj* valuePtr;
Tcl_Obj* oResult;
/*
@@ -5231,6 +5313,68 @@ ExprDoubleFunc(clientData, interp, objc, objv)
}
return TCL_ERROR;
+#else
+ if (objc != 2) {
+ MathFuncWrongNumArgs(interp, 2, objc, objv);
+ return TCL_ERROR;
+ }
+ if (Tcl_GetDoubleFromObj(interp, objv[1], &dResult) != TCL_OK) {
+#ifdef ACCEPT_NAN
+ if (objv[1]->typePtr == &tclDoubleType) {
+ Tcl_SetObjResult(interp, objv[1]);
+ return TCL_OK;
+ }
+#endif
+ return TCL_ERROR;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(dResult));
+ return TCL_OK;
+#endif
+}
+
+static int
+ExprEntierFunc(clientData, interp, objc, objv)
+ ClientData clientData; /* Ignored. */
+ Tcl_Interp *interp; /* The interpreter in which to execute the
+ * function. */
+ int objc; /* Actual parameter count */
+ Tcl_Obj *CONST *objv; /* Actual parameter vector */
+{
+ double d;
+ int type;
+ ClientData ptr;
+
+ if (objc != 2) {
+ MathFuncWrongNumArgs(interp, 2, objc, objv);
+ return TCL_ERROR;
+ }
+ if (TclGetNumberFromObj(interp, objv[1], &ptr, &type) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ if (type == TCL_NUMBER_DOUBLE) {
+ d = *((CONST double *)ptr);
+ if ((d >= (double)LONG_MAX) || (d <= (double)LONG_MIN)) {
+ mp_int big;
+ if (TclInitBignumFromDouble(interp, d, &big) != TCL_OK) {
+ /* Infinity */
+ return TCL_ERROR;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewBignumObj(&big));
+ return TCL_OK;
+ } else {
+ long result = (long)d;
+ Tcl_SetObjResult(interp, Tcl_NewLongObj(result));
+ return TCL_OK;
+ }
+ }
+ if (type != TCL_NUMBER_NAN) {
+ /* All integers are already of integer type */
+ Tcl_SetObjResult(interp, objv[1]);
+ return TCL_OK;
+ }
+ /* Get the error message for NaN */
+ Tcl_GetDoubleFromObj(interp, objv[1], &d);
+ return TCL_ERROR;
}
static int
@@ -5241,9 +5385,10 @@ ExprIntFunc(clientData, interp, objc, objv)
int objc; /* Actual parameter count */
Tcl_Obj *CONST *objv; /* Actual parameter vector */
{
- register Tcl_Obj *valuePtr;
long iResult;
- double d;
+ Tcl_Obj *objPtr;
+#if 0
+ register Tcl_Obj *valuePtr;
Tcl_Obj* oResult;
if (objc != 2) {
@@ -5282,6 +5427,24 @@ ExprIntFunc(clientData, interp, objc, objv)
}
}
return TCL_ERROR;
+#else
+ if (ExprEntierFunc(NULL, interp, objc, objv) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ objPtr = Tcl_GetObjResult(interp);
+ if (Tcl_GetLongFromObj(NULL, objPtr, &iResult) != TCL_OK) {
+ /* truncate the bignum; keep only bits in long range */
+ mp_int big;
+ Tcl_GetBignumFromObj(NULL, objPtr, &big);
+ mp_mod_2d(&big, (int) CHAR_BIT * sizeof(long), &big);
+ objPtr = Tcl_NewBignumObj(&big);
+ Tcl_IncrRefCount(objPtr);
+ Tcl_GetLongFromObj(NULL, objPtr, &iResult);
+ Tcl_DecrRefCount(objPtr);
+ }
+ Tcl_SetObjResult(interp, Tcl_NewLongObj(iResult));
+ return TCL_OK;
+#endif
}
static int
@@ -5292,10 +5455,10 @@ ExprWideFunc(clientData, interp, objc, objv)
int objc; /* Actual parameter count */
Tcl_Obj *CONST *objv; /* Actual parameter vector */
{
-
- register Tcl_Obj *valuePtr;
Tcl_WideInt wResult;
- double d;
+ Tcl_Obj *objPtr;
+#if 0
+ register Tcl_Obj *valuePtr;
Tcl_Obj* oResult;
if (objc != 2) {
@@ -5334,6 +5497,24 @@ ExprWideFunc(clientData, interp, objc, objv)
}
}
return TCL_ERROR;
+#else
+ if (ExprEntierFunc(NULL, interp, objc, objv) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ objPtr = Tcl_GetObjResult(interp);
+ if (Tcl_GetWideIntFromObj(NULL, objPtr, &wResult) != TCL_OK) {
+ /* truncate the bignum; keep only bits in wide int range */
+ mp_int big;
+ Tcl_GetBignumFromObj(NULL, objPtr, &big);
+ mp_mod_2d(&big, (int) CHAR_BIT * sizeof(Tcl_WideInt), &big);
+ objPtr = Tcl_NewBignumObj(&big);
+ Tcl_IncrRefCount(objPtr);
+ Tcl_GetWideIntFromObj(NULL, objPtr, &wResult);
+ Tcl_DecrRefCount(objPtr);
+ }
+ Tcl_SetObjResult(interp, Tcl_NewWideIntObj(wResult));
+ return TCL_OK;
+#endif
}
static int
@@ -5437,78 +5618,60 @@ ExprRoundFunc(clientData, interp, objc, objv)
int objc; /* Actual parameter count */
Tcl_Obj *CONST *objv; /* Parameter vector */
{
- Tcl_Obj *valuePtr, *resPtr;
- double d, i, f;
-
- /*
- * Check the argument count.
- */
+ double d;
+ ClientData ptr;
+ int type;
if (objc != 2) {
MathFuncWrongNumArgs(interp, 1, objc, objv);
return TCL_ERROR;
}
- valuePtr = objv[1];
- /*
- * Coerce the argument to a number. Integers are already rounded.
- */
-
- if (VerifyExprObjType(interp, valuePtr) != TCL_OK) {
+ if (TclGetNumberFromObj(interp, objv[1], &ptr, &type) != TCL_OK) {
return TCL_ERROR;
}
- if ((valuePtr->typePtr == &tclIntType) ||
- (valuePtr->typePtr == &tclWideIntType)) {
- Tcl_SetObjResult(interp, valuePtr);
- return TCL_OK;
- }
- GET_DOUBLE_VALUE(d, valuePtr, valuePtr->typePtr);
-
- /*
- * Round the number to the nearest integer. I'd like to use round(), but
- * it's C99 (or BSD), and not yet universal.
- */
+ if (type == TCL_NUMBER_DOUBLE) {
+ double fractPart, intPart;
+ long max = LONG_MAX, min = LONG_MIN;
- d = valuePtr->internalRep.doubleValue;
- f = modf(d, &i);
- if (d < 0.0) {
- if (f <= -0.5) {
- i += -1.0;
+ fractPart = modf(*((CONST double *)ptr), &intPart);
+ if (fractPart <= -0.5) {
+ min++;
+ } else if (fractPart >= 0.5) {
+ max--;
}
- if (i <= Tcl_WideAsDouble(LLONG_MIN)) {
- goto tooLarge;
- } else if (d <= (double) LONG_MIN) {
- resPtr = Tcl_NewWideIntObj(Tcl_DoubleAsWide(i));
- } else {
- resPtr = Tcl_NewLongObj((long) i);
- }
- } else {
- if (f >= 0.5) {
- i += 1.0;
- }
- if (i >= Tcl_WideAsDouble(LLONG_MAX)) {
- goto tooLarge;
- } else if (i >= (double) LONG_MAX) {
- resPtr = Tcl_NewWideIntObj(Tcl_DoubleAsWide(i));
+ if ((intPart >= (double)max) || (intPart <= (double)min)) {
+ mp_int big;
+ if (TclInitBignumFromDouble(interp, intPart, &big) != TCL_OK) {
+ /* Infinity */
+ return TCL_ERROR;
+ }
+ if (fractPart <= -0.5) {
+ mp_sub_d(&big, 1, &big);
+ } else if (fractPart >= 0.5) {
+ mp_add_d(&big, 1, &big);
+ }
+ Tcl_SetObjResult(interp, Tcl_NewBignumObj(&big));
+ return TCL_OK;
} else {
- resPtr = Tcl_NewLongObj((long) i);
+ long result = (long)intPart;
+ if (fractPart <= -0.5) {
+ result--;
+ } else if (fractPart >= 0.5) {
+ result++;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewLongObj(result));
+ return TCL_OK;
}
}
- Tcl_SetObjResult(interp, resPtr);
- return TCL_OK;
-
- /*
- * Error return: result cannot be represented as an integer.
- */
-
- tooLarge:
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "integer value too large to represent", -1));
- Tcl_SetErrorCode(interp, "ARITH", "IOVERFLOW",
- "integer value too large to represent", (char *) NULL);
-
+ if (type != TCL_NUMBER_NAN) {
+ /* All integers are already rounded */
+ Tcl_SetObjResult(interp, objv[1]);
+ return TCL_OK;
+ }
+ /* Get the error message for NaN */
+ Tcl_GetDoubleFromObj(interp, objv[1], &d);
return TCL_ERROR;
-
}
static int
@@ -5520,7 +5683,6 @@ ExprSrandFunc(clientData, interp, objc, objv)
Tcl_Obj *CONST *objv; /* Parameter vector */
{
Interp *iPtr = (Interp *) interp;
- Tcl_Obj *valuePtr;
long i = 0; /* Initialized to avoid compiler warning. */
/*
@@ -5531,18 +5693,9 @@ ExprSrandFunc(clientData, interp, objc, objv)
MathFuncWrongNumArgs(interp, 2, objc, objv);
return TCL_ERROR;
}
- valuePtr = objv[1];
- if (VerifyExprObjType(interp, valuePtr) != TCL_OK) {
- return TCL_ERROR;
- }
-
- if (Tcl_GetLongFromObj(NULL, valuePtr, &i) != TCL_OK) {
- /*
- * At this point, the only other possible type is double
- */
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "can't use floating-point value as argument to srand", -1));
+ if (Tcl_GetLongFromObj(interp, objv[1], &i) != TCL_OK) {
+ /* TODO: more ::errorInfo here? or in caller? */
return TCL_ERROR;
}
@@ -5571,61 +5724,6 @@ ExprSrandFunc(clientData, interp, objc, objv)
/*
*----------------------------------------------------------------------
*
- * VerifyExprObjType --
- *
- * This procedure is called by the math functions to verify that the
- * object is either an int or double, coercing it if necessary. If an
- * error occurs during conversion, an error message is left in the
- * interpreter's result unless "interp" is NULL.
- *
- * Results:
- * TCL_OK if it was int or double, TCL_ERROR otherwise
- *
- * Side effects:
- * objPtr is ensured to be of tclIntType, tclWideIntType or
- * tclDoubleType.
- *
- *----------------------------------------------------------------------
- */
-
-static int
-VerifyExprObjType(interp, objPtr)
- Tcl_Interp *interp; /* The interpreter in which to execute the
- * function. */
- Tcl_Obj *objPtr; /* Points to the object to type check. */
-{
- if (IS_NUMERIC_TYPE(objPtr->typePtr)) {
- return TCL_OK;
- } else {
- int length, result = TCL_OK;
- char *s = Tcl_GetStringFromObj(objPtr, &length);
-
- if (TclLooksLikeInt(s, length)) {
- long i; /* Set but never used, needed in GET_WIDE_OR_INT */
- Tcl_WideInt w;
- GET_WIDE_OR_INT(result, objPtr, i, w);
- } else {
- double d;
- result = Tcl_GetDoubleFromObj((Tcl_Interp *) NULL, objPtr, &d);
- }
- if ((result != TCL_OK) && (interp != NULL)) {
- if (TclCheckBadOctal((Tcl_Interp *) NULL, s)) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "argument to math function was an invalid octal number",
- -1));
- } else {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "argument to math function didn't have numeric value",
- -1));
- }
- }
- return result;
- }
-}
-
-/*
- *----------------------------------------------------------------------
- *
* MathFuncWrongNumArgs --
*
* Generate an error message when a math function presents the wrong
generated by cgit v0.12 at 2024-08-20 11:23:24 (GMT)