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-rw-r--r--ext/standard/math.c700
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diff --git a/ext/standard/math.c b/ext/standard/math.c
deleted file mode 100644
index 2febcaeffd..0000000000
--- a/ext/standard/math.c
+++ /dev/null
@@ -1,700 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP HTML Embedded Scripting Language Version 3.0 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
- +----------------------------------------------------------------------+
- | This program is free software; you can redistribute it and/or modify |
- | it under the terms of one of the following licenses: |
- | |
- | A) the GNU General Public License as published by the Free Software |
- | Foundation; either version 2 of the License, or (at your option) |
- | any later version. |
- | |
- | B) the PHP License as published by the PHP Development Team and |
- | included in the distribution in the file: LICENSE |
- | |
- | This program is distributed in the hope that it will be useful, |
- | but WITHOUT ANY WARRANTY; without even the implied warranty of |
- | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
- | GNU General Public License for more details. |
- | |
- | You should have received a copy of both licenses referred to here. |
- | If you did not, or have any questions about PHP licensing, please |
- | contact core@php.net. |
- +----------------------------------------------------------------------+
- | Authors: Jim Winstead (jimw@php.net) |
- | Stig Sæther Bakken <ssb@guardian.no> |
- | Zeev Suraski <zeev@zend.com> |
- +----------------------------------------------------------------------+
- */
-
-#include "php.h"
-#include "phpmath.h"
-#include "snprintf.h"
-
-#include <math.h>
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-char *_php3_number_format(double, int, char ,char);
-
-/* {{{ proto int abs(int number)
- Return the absolute value of the number */
-PHP_FUNCTION(abs) {
- pval *value;
-
- if (ARG_COUNT(ht)!=1||getParameters(ht,1,&value)==FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- if (value->type == IS_STRING) {
- convert_scalar_to_number(value);
- }
-
- if (value->type == IS_DOUBLE) {
- RETURN_DOUBLE(fabs(value->value.dval));
- }
- else if (value->type == IS_LONG) {
- RETURN_LONG(labs(value->value.lval));
- }
-
- RETURN_FALSE;
-}
-/* }}} */
-
-/* {{{ proto int ceil(double number)
- Returns the next highest integer value of the number */
-PHP_FUNCTION(ceil) {
- pval *value;
-
- if (ARG_COUNT(ht)!=1||getParameters(ht,1,&value)==FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- if (value->type == IS_STRING) {
- convert_scalar_to_number(value);
- }
-
- if (value->type == IS_DOUBLE) {
- RETURN_LONG((long)ceil(value->value.dval));
- }
- else if (value->type == IS_LONG) {
- RETURN_LONG(value->value.lval);
- }
-
- RETURN_FALSE;
-}
-/* }}} */
-
-/* {{{ proto int floor(double number)
- Returns the next lowest integer value from the number */
-PHP_FUNCTION(floor) {
- pval *value;
-
- if (ARG_COUNT(ht)!=1||getParameters(ht,1,&value)==FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- if (value->type == IS_STRING) {
- convert_scalar_to_number(value);
- }
-
- if (value->type == IS_DOUBLE) {
- RETURN_LONG((long)floor(value->value.dval));
- }
- else if (value->type == IS_LONG) {
- RETURN_LONG(value->value.lval);
- }
-
- RETURN_FALSE;
-}
-/* }}} */
-
-#ifndef HAVE_RINT
-/* emulate rint */
-inline double rint(double n)
-{
- double i, f;
- f = modf(n, &i);
- if (f > .5)
- i++;
- else if (f < -.5)
- i--;
- return i;
-}
-#endif
-
-/* {{{ proto int round(double number)
- Returns the rounded value of the number */
-PHP_FUNCTION(round)
-{
- pval *value;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &value) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- if (value->type == IS_STRING) {
- convert_scalar_to_number(value);
- }
- if (value->type == IS_DOUBLE) {
- RETURN_DOUBLE(rint(value->value.dval));
- }
- if (value->type == IS_LONG) {
- RETURN_DOUBLE((double)value->value.lval);
- }
- RETURN_FALSE;
-}
-/* }}} */
-
-/* {{{ proto double sin(double number)
- Returns the sine of the number in radians */
-PHP_FUNCTION(sin)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = sin(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double cos(double number)
- Returns the cosine of the number in radians */
-PHP_FUNCTION(cos)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = cos(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double tan(double number)
- Returns the tangent of the number in radians */
-PHP_FUNCTION(tan)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = tan(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double asin(double number)
- Returns the arc sine of the number in radians */
-PHP_FUNCTION(asin)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = asin(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double acos(double number)
- Return the arc cosine of the number in radians */
-PHP_FUNCTION(acos)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = acos(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double atan(double number)
- Returns the arc tangent of the number in radians */
-PHP_FUNCTION(atan)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = atan(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double atan2(double y, double x)
- Returns the arc tangent of y/x, with the resulting quadrant determined by the signs of y and x */
-PHP_FUNCTION(atan2)
-{
- pval *num1, *num2;
-
- if (ARG_COUNT(ht) != 2 || getParameters(ht, 2, &num1, &num2) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num1);
- convert_to_double(num2);
- return_value->value.dval = atan2(num1->value.dval,num2->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double pi(void)
- Returns an approximation of pi */
-PHP_FUNCTION(pi)
-{
- return_value->value.dval = M_PI;
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double pow(double base, double exponent)
- Returns base raised to the power of expopent */
-PHP_FUNCTION(pow)
-{
- pval *num1, *num2;
-
- if (ARG_COUNT(ht) != 2 || getParameters(ht,2,&num1,&num2) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num1);
- convert_to_double(num2);
- RETURN_DOUBLE(pow(num1->value.dval, num2->value.dval));
-}
-/* }}} */
-
-/* {{{ proto double exp(double number)
- Returns e raised to the power of the number */
-PHP_FUNCTION(exp)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = exp(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double log(double number)
- Returns the natural logarithm of the number */
-PHP_FUNCTION(log)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = log(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double log10(double number)
- Returns the base-10 logarithm of the number */
-PHP_FUNCTION(log10)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = log10(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double sqrt(double number)
- Returns the square root of the number */
-PHP_FUNCTION(sqrt)
-{
- pval *num;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &num) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(num);
- return_value->value.dval = sqrt(num->value.dval);
- return_value->type = IS_DOUBLE;
-}
-/* }}} */
-
-/* {{{ proto double deg2rad(double number)
- Converts the number in degrees to the radian equivalent */
-PHP_FUNCTION(deg2rad)
-{
- pval *deg;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &deg) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(deg);
- RETVAL_DOUBLE((deg->value.dval / 180.0) * M_PI);
-}
-/* }}} */
-
-/* {{{ proto double rad2deg(double number)
- Converts the radian number to the equivalent number in degrees */
-PHP_FUNCTION(rad2deg)
-{
- pval *rad;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &rad) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_double(rad);
- RETVAL_DOUBLE((rad->value.dval / M_PI) * 180);
-}
-/* }}} */
-
-
-/*
- * Convert a string representation of a base(2-36) number to a long.
- */
-static long
-_php3_basetolong(pval *arg, int base) {
- long mult = 1, num = 0, digit;
- int i;
- char c, *s;
-
- if (arg->type != IS_STRING || base < 2 || base > 36) {
- return 0;
- }
-
- s = arg->value.str.val;
-
- for (i = arg->value.str.len - 1; i >= 0; i--, mult *= base) {
- c = toupper(s[i]);
- if (c >= '0' && c <= '9') {
- digit = (c - '0');
- } else if (c >= 'A' && c <= 'Z') {
- digit = (c - 'A' + 10);
- } else {
- continue;
- }
- if (digit >= base) {
- continue;
- }
- num += mult * digit;
- }
-
- return num;
-}
-
-
-/*
- * Convert a long to a string containing a base(2-36) representation of
- * the number.
- */
-static char *
-_php3_longtobase(pval *arg, int base)
-{
- static char digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
- char *result, *ptr, *ret;
- int len, digit;
- long value;
-
- if (arg->type != IS_LONG || base < 2 || base > 36) {
- return empty_string;
- }
-
- value = arg->value.lval;
-
- /* allocates space for the longest possible result with the lowest base */
- len = (sizeof(arg->value.lval) * 8) + 1;
- result = emalloc((sizeof(arg->value.lval) * 8) + 1);
-
- ptr = result + len - 1;
- *ptr-- = '\0';
-
- do {
- digit = value % base;
- *ptr = digits[digit];
- value /= base;
- }
- while (ptr-- > result && value);
- ptr++;
- ret = estrdup(ptr);
- efree(result);
-
- return ret;
-}
-
-/* {{{ proto int bindec(string binary_number)
- Returns the decimal equivalent of the binary number */
-PHP_FUNCTION(bindec)
-{
- pval *arg;
- long ret;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_string(arg);
- ret = _php3_basetolong(arg, 2);
-
- RETVAL_LONG(ret);
-}
-/* }}} */
-
-/* {{{ proto int hexdec(string hexadimal_number)
- Returns the decimal equivalent of the hexadecimal number */
-PHP_FUNCTION(hexdec)
-{
- pval *arg;
- long ret;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_string(arg);
-
- ret = _php3_basetolong(arg, 16);
- RETVAL_LONG(ret);
-}
-/* }}} */
-
-/* {{{ proto int octdec(string octal_number)
- Returns the decimal equivalent of an octal string */
-PHP_FUNCTION(octdec)
-{
- pval *arg;
- long ret;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_string(arg);
-
- ret = _php3_basetolong(arg, 8);
- RETVAL_LONG(ret);
-}
-/* }}} */
-
-/* {{{ proto string decbin(int decimal_number)
- Returns a string containing a binary representation of the number */
-PHP_FUNCTION(decbin)
-{
- pval *arg;
- char *result;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_long(arg);
-
- result = _php3_longtobase(arg, 2);
- return_value->type = IS_STRING;
- return_value->value.str.len = strlen(result);
- return_value->value.str.val = result;
-}
-/* }}} */
-
-/* {{{ proto string decoct(int decimal_number)
- Returns a string containing an octal representation of the given number */
-PHP_FUNCTION(decoct)
-{
- pval *arg;
- char *result;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_long(arg);
-
- result = _php3_longtobase(arg, 8);
- return_value->type = IS_STRING;
- return_value->value.str.len = strlen(result);
- return_value->value.str.val = result;
-}
-/* }}} */
-
-/* {{{ proto string dechex(int decimal_number)
- Returns a string containing a hexadecimal representation of the given number */
-PHP_FUNCTION(dechex)
-{
- pval *arg;
- char *result;
-
- if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_long(arg);
-
- result = _php3_longtobase(arg, 16);
- return_value->type = IS_STRING;
- return_value->value.str.len = strlen(result);
- return_value->value.str.val = result;
-}
-/* }}} */
-
-
-/* {{{ proto string base_convert(string number, int frombase, int tobase)
- Converts a number in a string from any base <= 36 to any base <= 36.
-*/
-PHP_FUNCTION(base_convert)
-{
- pval *number, *frombase, *tobase, temp;
- char *result;
-
- if (ARG_COUNT(ht) != 3 || getParameters(ht, 3, &number, &frombase, &tobase)
- == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_string(number);
- convert_to_long(frombase);
- convert_to_long(tobase);
- if (frombase->value.lval < 2 || frombase->value.lval > 36) {
- php_error(E_WARNING, "base_convert: invalid `from base' (%d)",
- frombase->value.lval);
- RETURN_FALSE;
- }
- if (tobase->value.lval < 2 || tobase->value.lval > 36) {
- php_error(E_WARNING, "base_convert: invalid `to base' (%d)",
- tobase->value.lval);
- RETURN_FALSE;
- }
- temp.type = IS_LONG;
- temp.value.lval = _php3_basetolong(number, frombase->value.lval);
- result = _php3_longtobase(&temp, tobase->value.lval);
- RETVAL_STRING(result, 0);
-} /* }}} */
-
-
-char *_php3_number_format(double d,int dec,char dec_point,char thousand_sep)
-{
- char *tmpbuf,*resbuf;
- char *s,*t; /* source, target */
- int tmplen,reslen=0;
- int count=0;
- int is_negative=0;
-
- if (d<0) {
- is_negative=1;
- d = -d;
- }
- dec = MAX(0,dec);
- tmpbuf = (char *) emalloc(32+dec);
-
- tmplen=php_sprintf(tmpbuf,"%.*f",dec,d);
-
- if (!isdigit((int)tmpbuf[0])) {
- return tmpbuf;
- }
-
- for (t=tmpbuf; *t; t++) {
- if (*t=='.') {
- *t = dec_point;
- }
- }
- if (dec) {
- reslen = dec+1 + (tmplen-dec-1) + (tmplen-1-dec-1)/3;
- } else {
- reslen = tmplen+(tmplen-1)/3;
- }
- if (is_negative) {
- reslen++;
- }
- resbuf = (char *) emalloc(reslen+1);
-
- s = tmpbuf+tmplen-1;
- t = resbuf+reslen;
- *t-- = 0;
-
- if (dec) {
- while (*s!=dec_point) {
- *t-- = *s--;
- }
- *t-- = *s--; /* copy that dot */
- }
-
- while(s>=tmpbuf) {
- *t-- = *s--;
- if ((++count%3)==0 && s>=tmpbuf) {
- *t-- = thousand_sep;
- }
- }
- if (is_negative) {
- *t-- = '-';
- }
- efree(tmpbuf);
- return resbuf;
-}
-
-/* {{{ proto string number_format(double number, [,int num_decimal_places [, string dec_seperator, string thousands_seperator)]])
- Formats a number with grouped thousands */
-PHP_FUNCTION(number_format)
-{
- pval *num,*dec,*t_s,*d_p;
- char thousand_sep=',', dec_point='.';
-
- switch(ARG_COUNT(ht)) {
- case 1:
- if (getParameters(ht, 1, &num)==FAILURE) {
- RETURN_FALSE;
- }
- convert_to_double(num);
- RETURN_STRING(_php3_number_format(num->value.dval,0,dec_point,thousand_sep),0);
- break;
- case 2:
- if (getParameters(ht, 2, &num, &dec)==FAILURE) {
- RETURN_FALSE;
- }
- convert_to_double(num);
- convert_to_long(dec);
- RETURN_STRING(_php3_number_format(num->value.dval,dec->value.lval,dec_point,thousand_sep),0);
- break;
- case 4:
- if (getParameters(ht, 4, &num, &dec, &d_p, &t_s)==FAILURE) {
- RETURN_FALSE;
- }
- convert_to_double(num);
- convert_to_long(dec);
- convert_to_string(d_p);
- convert_to_string(t_s);
- if (d_p->value.str.len==1) {
- dec_point=d_p->value.str.val[0];
- }
- if (t_s->value.str.len==1) {
- thousand_sep=t_s->value.str.val[0];
- }
- RETURN_STRING(_php3_number_format(num->value.dval,dec->value.lval,dec_point,thousand_sep),0);
- break;
- default:
- WRONG_PARAM_COUNT;
- break;
- }
-}
-/* }}} */
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- */