C++ (Cpp) zend_isinf Examples

Example #1

File: formatted_print.c Project: NobleGaz/PHP

/* php_spintf_appenddouble() {{{ */
inline static void
php_sprintf_appenddouble(char **buffer, int *pos,
						 int *size, double number,
						 int width, char padding,
						 int alignment, int precision,
						 int adjust, char fmt,
						 int always_sign
						 TSRMLS_DC)
{
	char num_buf[NUM_BUF_SIZE];
	char *s = NULL;
	int s_len = 0, is_negative = 0;
#ifdef HAVE_LOCALE_H
	struct lconv *lconv;
#endif

	PRINTF_DEBUG(("sprintf: appenddouble(%x, %x, %x, %f, %d, '%c', %d, %c)\n",
				  *buffer, pos, size, number, width, padding, alignment, fmt));
	if ((adjust & ADJ_PRECISION) == 0) {
		precision = FLOAT_PRECISION;
	} else if (precision > MAX_FLOAT_PRECISION) {
		php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Requested precision of %d digits was truncated to PHP maximum of %d digits", precision, MAX_FLOAT_PRECISION);
		precision = MAX_FLOAT_PRECISION;
	}
	
	if (zend_isnan(number)) {
		is_negative = (number<0);
		php_sprintf_appendstring(buffer, pos, size, "NaN", 3, 0, padding,
								 alignment, 3, is_negative, 0, always_sign);
		return;
	}

	if (zend_isinf(number)) {
		is_negative = (number<0);
		php_sprintf_appendstring(buffer, pos, size, "INF", 3, 0, padding,
								 alignment, 3, is_negative, 0, always_sign);
		return;
	}

	switch (fmt) {			
		case 'e':
		case 'E':
		case 'f':
		case 'F':
#ifdef HAVE_LOCALE_H
			lconv = localeconv();
#endif
			s = php_conv_fp((fmt == 'f')?'F':fmt, number, 0, precision,
						(fmt == 'f')?LCONV_DECIMAL_POINT:'.',
						&is_negative, &num_buf[1], &s_len);
			if (is_negative) {
				num_buf[0] = '-';
				s = num_buf;
				s_len++;
			} else if (always_sign) {
				num_buf[0] = '+';
				s = num_buf;
				s_len++;
			}
			break;

		case 'g':
		case 'G':
			if (precision == 0)
				precision = 1;
			/*
			 * * We use &num_buf[ 1 ], so that we have room for the sign
			 */
#ifdef HAVE_LOCALE_H
			lconv = localeconv();
#endif
			s = php_gcvt(number, precision, LCONV_DECIMAL_POINT, (fmt == 'G')?'E':'e', &num_buf[1]);
			is_negative = 0;
			if (*s == '-') {
				is_negative = 1;
				s = &num_buf[1];
			} else if (always_sign) {
				num_buf[0] = '+';
				s = num_buf;
			}

			s_len = strlen(s);
			break;
	}

	php_sprintf_appendstring(buffer, pos, size, s, width, 0, padding,
							 alignment, s_len, is_negative, 0, always_sign);
}

Example #2

File: cg_bcode.c Project: acgrid/php-ext-bencode

static inline int php_bencode_is_valid_double(double d) /* {{{ */
{
	return !zend_isinf(d) && !zend_isnan(d);
}