version 1.2, 1998/05/02 21:29:02
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version 1.8, 2007/02/09 19:07:35
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/* cheap ecvt replacement */ |
/* cheap ecvt replacement |
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Copyright (C) 1998,2000 Free Software Foundation, Inc. |
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This file is part of Gforth. |
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Gforth is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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*/ |
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#include <stdio.h> |
#include <stdio.h> |
#include "config.h" |
#include "config.h" |
Line 13 char* ecvt(double x, int len, int* exp,
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Line 32 char* ecvt(double x, int len, int* exp,
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{ |
{ |
int i, j; |
int i, j; |
double z; |
double z; |
fprintf(stderr, "using own ecvt\n"); |
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if (isnan(x)) { |
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*sign=0; |
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*exp=0; |
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return "nan"; |
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} |
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if (isinf(x)) { |
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*sign=0; /* this mimics the glibc ecvt */ |
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*exp=0; |
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if (x<0) |
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return "-inf"; |
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else |
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return "inf"; |
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} |
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if(len > (MAXCONV-1)) len = MAXCONV-1; |
if(len > (MAXCONV-1)) len = MAXCONV-1; |
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if(x<0) |
if(x<0) |
Line 38 char* ecvt(double x, int len, int* exp,
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Line 70 char* ecvt(double x, int len, int* exp,
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for(i=0; i < len; i++) |
for(i=0; i < len; i++) |
{ |
{ |
z=floor(x); |
z=floor(x); |
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if(z<0) z = 0; |
scratch[i]='0'+(char)((int)z); |
scratch[i]='0'+(char)((int)z); |
x = (x-z)*10; |
x = (x-z)*10; |
} |
} |
Line 76 int main(int argc, char ** argv)
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Line 109 int main(int argc, char ** argv)
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printf("ecvt Test: %f -> %s, %d, %d\n",9e0,conv,a,b); |
printf("ecvt Test: %f -> %s, %d, %d\n",9e0,conv,a,b); |
} |
} |
#endif |
#endif |
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