* This validates if get_tarval_long() will return a satisfying
* result. I.e. if tv is an int_number and between min, max
* of long int (signed!)
* This validates if get_tarval_long() will return a satisfying
* result. I.e. if tv is an int_number and between min, max
* of long int (signed!)
* stored value.
* This will overflow silently, so use only if you know what
* you are doing! (better check with tarval_is_long...)
* stored value.
* This will overflow silently, so use only if you know what
* you are doing! (better check with tarval_is_long...)
* This validates if tarval_to_double() will return a satisfying
* result. I.e. if tv is an float_number and between min, max
* of double
* This validates if tarval_to_double() will return a satisfying
* result. I.e. if tv is an float_number and between min, max
* of double
/* ******************** Arithmetic operations on tarvals ******************** */
typedef enum _tarval_int_overflow_mode_t {
/* ******************** Arithmetic operations on tarvals ******************** */
typedef enum _tarval_int_overflow_mode_t {
- TV_OVERFLOW_BAD, /**< tarval module will return tarval_bad if a overflow occurs */
- TV_OVERFLOW_WRAP, /**< tarval module will overflow will be ignored, wrap around occurs */
- TV_OVERFLOW_SATURATE /**< tarval module will saturate the overflow */
+ TV_OVERFLOW_BAD, /**< tarval module will return tarval_bad if a overflow occurs */
+ TV_OVERFLOW_WRAP, /**< tarval module will overflow will be ignored, wrap around occurs */
+ TV_OVERFLOW_SATURATE /**< tarval module will saturate the overflow */
* between a and b. This is either pn_Cmp_Uo, pn_Cmp_Lt, pn_Cmp_Eq, pn_Cmp_Gt,
* or pn_Cmp_False if a or b are symbolic pointers which can not be compared at all.
*
* between a and b. This is either pn_Cmp_Uo, pn_Cmp_Lt, pn_Cmp_Eq, pn_Cmp_Gt,
* or pn_Cmp_False if a or b are symbolic pointers which can not be compared at all.
*
/** Multiplication of tarvals. */
tarval *tarval_mul(tarval *a, tarval *b);
/** Multiplication of tarvals. */
tarval *tarval_mul(tarval *a, tarval *b);
tarval *tarval_div(tarval *a, tarval *b);
/** Remainder of integer division. */
tarval *tarval_div(tarval *a, tarval *b);
/** Remainder of integer division. */
/** Integer division AND remainder. */
tarval *tarval_divmod(tarval *a, tarval *b, tarval **mod_res);
/** Integer division AND remainder. */
tarval *tarval_divmod(tarval *a, tarval *b, tarval **mod_res);
/** Signed (arithmetic) right shift. */
tarval *tarval_shrs(tarval *a, tarval *b);
/** Signed (arithmetic) right shift. */
tarval *tarval_shrs(tarval *a, tarval *b);
- TVO_NATIVE, /**< the default output mode, depends on the mode */
- TVO_HEX, /**< use hex representation, always possible */
- TVO_DECIMAL, /**< use decimal representation */
- TVO_OCTAL, /**< use octal representation */
- TVO_BINARY, /**< use binary representation */
- TVO_FLOAT, /**< use floating point representation (i.e 1.342e-2)*/
- TVO_HEXFLOAT /**< use hexadecimal floating point representation (i.e 0x1.ea32p-12)*/
+ TVO_NATIVE, /**< the default output mode, depends on the mode */
+ TVO_HEX, /**< use hex representation, always possible */
+ TVO_DECIMAL, /**< use decimal representation */
+ TVO_OCTAL, /**< use octal representation */
+ TVO_BINARY, /**< use binary representation */
+ TVO_FLOAT, /**< use floating point representation (i.e 1.342e-2)*/
+ TVO_HEXFLOAT /**< use hexadecimal floating point representation (i.e 0x1.ea32p-12)*/
- tv_output_mode mode_output; /**< if != TVO_NATIVE select a special mode */
- const char *mode_prefix; /**< if set, this prefix will be printed
- before a value of this mode */
- const char *mode_suffix; /**< if set, this suffix will be printed
- after a value of this mode */
+ tv_output_mode mode_output; /**< if != TVO_NATIVE select a special mode */
+ const char *mode_prefix; /**< if set, this prefix will be printed
+ before a value of this mode */
+ const char *mode_suffix; /**< if set, this suffix will be printed
+ after a value of this mode */
*/
int tarval_printf(tarval *tv);
/**
* Returns non-zero if the mantissa of a floating point IEEE-754
* tarval is zero (i.e. 1.0Exxx)
*/
int tarval_printf(tarval *tv);
/**
* Returns non-zero if the mantissa of a floating point IEEE-754
* tarval is zero (i.e. 1.0Exxx)
/**
* Set the immediate precision for IEEE-754 results. Set this to
* 0 to get the same precision as the operands.
/**
* Set the immediate precision for IEEE-754 results. Set this to
* 0 to get the same precision as the operands.
+/**
+ * Check if its the a floating point NaN.
+ *
+ * @param tv the tarval
+ */
+int tarval_is_NaN(tarval *tv);
+
+/**
+ * Check if its the a floating point +inf.
+ *
+ * @param tv the tarval
+ */
+int tarval_is_plus_inf(tarval *tv);
+
+/**
+ * Check if its the a floating point -inf.
+ *
+ * @param tv the tarval
+ */
+int tarval_is_minus_inf(tarval *tv);
+
+/**
+ * Check if the tarval represents a finite value, ie neither NaN nor inf.
+ *
+ * @param tv the tarval
+ */
+int tarval_is_finite(tarval *tv);
+