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<h1>src/libsphinxbase/util/f2c_lite.c</h1> </div>
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<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <math.h></span>
<a name="l00002"></a>00002 <span class="preprocessor">#include <stdio.h></span>
<a name="l00003"></a>00003 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include <string.h></span>
<a name="l00005"></a>00005 <span class="preprocessor">#include <assert.h></span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="preprocessor">#include "sphinxbase/f2c.h"</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#ifdef _MSC_VER</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#pragma warning (disable: 4244)</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="keyword">extern</span> <span class="keywordtype">void</span>
<a name="l00015"></a>00015 s_wsfe(<a class="code" href="structcilist.html">cilist</a> * f)
<a name="l00016"></a>00016 {;
<a name="l00017"></a>00017 }
<a name="l00018"></a>00018 <span class="keyword">extern</span> <span class="keywordtype">void</span>
<a name="l00019"></a>00019 e_wsfe(<span class="keywordtype">void</span>)
<a name="l00020"></a>00020 {;
<a name="l00021"></a>00021 }
<a name="l00022"></a>00022 <span class="keyword">extern</span> <span class="keywordtype">void</span>
<a name="l00023"></a>00023 do_fio(integer * c, <span class="keywordtype">char</span> *s, ftnlen l)
<a name="l00024"></a>00024 {;
<a name="l00025"></a>00025 }
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="comment">/* You'll want this if you redo the *_lite.c files with the -C option</span>
<a name="l00028"></a>00028 <span class="comment"> * to f2c for checking array subscripts. (It's not suggested you do that</span>
<a name="l00029"></a>00029 <span class="comment"> * for production use, of course.) */</span>
<a name="l00030"></a>00030 <span class="keyword">extern</span> <span class="keywordtype">int</span>
<a name="l00031"></a>00031 s_rnge(<span class="keywordtype">char</span> *var, <span class="keywordtype">int</span> index, <span class="keywordtype">char</span> *routine, <span class="keywordtype">int</span> lineno)
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 fprintf(stderr,
<a name="l00034"></a>00034 <span class="stringliteral">"array index out-of-bounds for %s[%d] in routine %s:%d\n"</span>, var,
<a name="l00035"></a>00035 index, routine, lineno);
<a name="l00036"></a>00036 fflush(stderr);
<a name="l00037"></a>00037 assert(2+2 == 5);
<a name="l00038"></a>00038 <span class="keywordflow">return</span> 0;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keywordtype">double</span> sqrt();
<a name="l00044"></a>00044 <span class="keywordtype">float</span>
<a name="l00045"></a>00045 f__cabs(real, imag)
<a name="l00046"></a>00046 float real, imag;
<a name="l00047"></a>00047 <span class="preprocessor">#else</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#undef abs</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="keywordtype">float</span>
<a name="l00051"></a>00051 f__cabs(<span class="keywordtype">float</span> real, <span class="keywordtype">float</span> imag)
<a name="l00052"></a>00052 <span class="preprocessor">#endif</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span>{
<a name="l00054"></a>00054 <span class="keywordtype">float</span> temp;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (real < 0)
<a name="l00057"></a>00057 real = -real;
<a name="l00058"></a>00058 <span class="keywordflow">if</span> (imag < 0)
<a name="l00059"></a>00059 imag = -imag;
<a name="l00060"></a>00060 <span class="keywordflow">if</span> (imag > real) {
<a name="l00061"></a>00061 temp = real;
<a name="l00062"></a>00062 real = imag;
<a name="l00063"></a>00063 imag = temp;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 <span class="keywordflow">if</span> ((imag + real) == real)
<a name="l00066"></a>00066 <span class="keywordflow">return</span> ((<span class="keywordtype">float</span>) real);
<a name="l00067"></a>00067
<a name="l00068"></a>00068 temp = imag / real;
<a name="l00069"></a>00069 temp = real * sqrt(1.0 + temp * temp); <span class="comment">/*overflow!! */</span>
<a name="l00070"></a>00070 <span class="keywordflow">return</span> (temp);
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00074"></a>00074 VOID
<a name="l00075"></a>00075 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span>s_cnjg(r, z)
<a name="l00077"></a>00077 <a class="code" href="structcomplex.html">complex</a> *r, *z;
<a name="l00078"></a>00078 <span class="preprocessor">#else</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span>s_cnjg(<a class="code" href="structcomplex.html">complex</a> * r, <a class="code" href="structcomplex.html">complex</a> * z)
<a name="l00080"></a>00080 <span class="preprocessor">#endif</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span>{
<a name="l00082"></a>00082 r->r = z->r;
<a name="l00083"></a>00083 r->i = -z->i;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00088"></a>00088 <span class="preprocessor"></span><span class="keywordtype">float</span>
<a name="l00089"></a>00089 r_imag(z)
<a name="l00090"></a>00090 <a class="code" href="structcomplex.html">complex</a> *z;
<a name="l00091"></a>00091 <span class="preprocessor">#else</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span><span class="keywordtype">float</span>
<a name="l00093"></a>00093 r_imag(<a class="code" href="structcomplex.html">complex</a> * z)
<a name="l00094"></a>00094 <span class="preprocessor">#endif</span>
<a name="l00095"></a>00095 <span class="preprocessor"></span>{
<a name="l00096"></a>00096 <span class="keywordflow">return</span> (z->i);
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="preprocessor">#define log10e 0.43429448190325182765</span>
<a name="l00101"></a>00101 <span class="preprocessor"></span>
<a name="l00102"></a>00102 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span><span class="keywordtype">double</span> log();
<a name="l00104"></a>00104 <span class="keywordtype">float</span>
<a name="l00105"></a>00105 r_lg10(x)
<a name="l00106"></a>00106 real *x;
<a name="l00107"></a>00107 <span class="preprocessor">#else</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span><span class="preprocessor">#undef abs</span>
<a name="l00109"></a>00109 <span class="preprocessor"></span>
<a name="l00110"></a>00110 <span class="keywordtype">float</span>
<a name="l00111"></a>00111 r_lg10(real * x)
<a name="l00112"></a>00112 <span class="preprocessor">#endif</span>
<a name="l00113"></a>00113 <span class="preprocessor"></span>{
<a name="l00114"></a>00114 <span class="keywordflow">return</span> (log10e * log(*x));
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span><span class="keywordtype">float</span>
<a name="l00120"></a>00120 r_sign(a, b)
<a name="l00121"></a>00121 real *a, *b;
<a name="l00122"></a>00122 <span class="preprocessor">#else</span>
<a name="l00123"></a>00123 <span class="preprocessor"></span><span class="keywordtype">float</span>
<a name="l00124"></a>00124 r_sign(real * a, real * b)
<a name="l00125"></a>00125 <span class="preprocessor">#endif</span>
<a name="l00126"></a>00126 <span class="preprocessor"></span>{
<a name="l00127"></a>00127 <span class="keywordtype">float</span> x;
<a name="l00128"></a>00128 x = (*a >= 0 ? *a : -*a);
<a name="l00129"></a>00129 <span class="keywordflow">return</span> (*b >= 0 ? x : -x);
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00134"></a>00134 <span class="preprocessor"></span><span class="keywordtype">double</span> floor();
<a name="l00135"></a>00135 integer
<a name="l00136"></a>00136 i_dnnt(x)
<a name="l00137"></a>00137 real *x;
<a name="l00138"></a>00138 <span class="preprocessor">#else</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span><span class="preprocessor">#undef abs</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span>
<a name="l00141"></a>00141 integer
<a name="l00142"></a>00142 i_dnnt(real * x)
<a name="l00143"></a>00143 <span class="preprocessor">#endif</span>
<a name="l00144"></a>00144 <span class="preprocessor"></span>{
<a name="l00145"></a>00145 <span class="keywordflow">return</span> ((*x) >= 0 ? floor(*x + .5) : -floor(.5 - *x));
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00150"></a>00150 <span class="preprocessor"></span><span class="keywordtype">double</span> pow();
<a name="l00151"></a>00151 <span class="keywordtype">double</span>
<a name="l00152"></a>00152 pow_dd(ap, bp)
<a name="l00153"></a>00153 doublereal *ap, *bp;
<a name="l00154"></a>00154 <span class="preprocessor">#else</span>
<a name="l00155"></a>00155 <span class="preprocessor"></span><span class="preprocessor">#undef abs</span>
<a name="l00156"></a>00156 <span class="preprocessor"></span>
<a name="l00157"></a>00157 <span class="keywordtype">double</span>
<a name="l00158"></a>00158 pow_dd(doublereal * ap, doublereal * bp)
<a name="l00159"></a>00159 <span class="preprocessor">#endif</span>
<a name="l00160"></a>00160 <span class="preprocessor"></span>{
<a name="l00161"></a>00161 <span class="keywordflow">return</span> (pow(*ap, *bp));
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00166"></a>00166 <span class="preprocessor"></span><span class="keywordtype">float</span>
<a name="l00167"></a>00167 pow_ri(ap, bp)
<a name="l00168"></a>00168 real *ap;
<a name="l00169"></a>00169 integer *bp;
<a name="l00170"></a>00170 <span class="preprocessor">#else</span>
<a name="l00171"></a>00171 <span class="preprocessor"></span><span class="keywordtype">float</span>
<a name="l00172"></a>00172 pow_ri(real * ap, integer * bp)
<a name="l00173"></a>00173 <span class="preprocessor">#endif</span>
<a name="l00174"></a>00174 <span class="preprocessor"></span>{
<a name="l00175"></a>00175 <span class="keywordtype">float</span> pow, x;
<a name="l00176"></a>00176 integer n;
<a name="l00177"></a>00177 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> u;
<a name="l00178"></a>00178
<a name="l00179"></a>00179 pow = 1;
<a name="l00180"></a>00180 x = *ap;
<a name="l00181"></a>00181 n = *bp;
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="keywordflow">if</span> (n != 0) {
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (n < 0) {
<a name="l00185"></a>00185 n = -n;
<a name="l00186"></a>00186 x = 1 / x;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188 <span class="keywordflow">for</span> (u = n;;) {
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (u & 01)
<a name="l00190"></a>00190 pow *= x;
<a name="l00191"></a>00191 <span class="keywordflow">if</span> (u >>= 1)
<a name="l00192"></a>00192 x *= x;
<a name="l00193"></a>00193 <span class="keywordflow">else</span>
<a name="l00194"></a>00194 <span class="keywordflow">break</span>;
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 <span class="keywordflow">return</span> (pow);
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="comment">/* Unless compiled with -DNO_OVERWRITE, this variant of s_cat allows the</span>
<a name="l00201"></a>00201 <span class="comment"> * target of a concatenation to appear on its right-hand side (contrary</span>
<a name="l00202"></a>00202 <span class="comment"> * to the Fortran 77 Standard, but in accordance with Fortran 90).</span>
<a name="l00203"></a>00203 <span class="comment"> */</span>
<a name="l00204"></a>00204 <span class="preprocessor">#define NO_OVERWRITE</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span>
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="preprocessor">#ifndef NO_OVERWRITE</span>
<a name="l00208"></a>00208 <span class="preprocessor"></span>
<a name="l00209"></a>00209 <span class="preprocessor">#undef abs</span>
<a name="l00210"></a>00210 <span class="preprocessor"></span><span class="preprocessor">#ifdef KR_headers</span>
<a name="l00211"></a>00211 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keywordtype">char</span> *F77_aloc();
<a name="l00212"></a>00212 <span class="keyword">extern</span> <span class="keywordtype">void</span> free();
<a name="l00213"></a>00213 <span class="keyword">extern</span> <span class="keywordtype">void</span> exit_();
<a name="l00214"></a>00214 <span class="preprocessor">#else</span>
<a name="l00215"></a>00215 <span class="preprocessor"></span>
<a name="l00216"></a>00216 <span class="keyword">extern</span> <span class="keywordtype">char</span> *F77_aloc(ftnlen, <span class="keywordtype">char</span> *);
<a name="l00217"></a>00217 <span class="preprocessor">#endif</span>
<a name="l00218"></a>00218 <span class="preprocessor"></span>
<a name="l00219"></a>00219 <span class="preprocessor">#endif </span><span class="comment">/* NO_OVERWRITE */</span>
<a name="l00220"></a>00220
<a name="l00221"></a>00221 VOID
<a name="l00222"></a>00222 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00223"></a>00223 <span class="preprocessor"></span>s_cat(lp, rpp, rnp, np, ll)
<a name="l00224"></a>00224 char *lp, *rpp[];
<a name="l00225"></a>00225 ftnlen rnp[], *np, ll;
<a name="l00226"></a>00226 <span class="preprocessor">#else</span>
<a name="l00227"></a>00227 <span class="preprocessor"></span>s_cat(<span class="keywordtype">char</span> *lp, <span class="keywordtype">char</span> *rpp[], ftnlen rnp[], ftnlen * np, ftnlen ll)
<a name="l00228"></a>00228 <span class="preprocessor">#endif</span>
<a name="l00229"></a>00229 <span class="preprocessor"></span>{
<a name="l00230"></a>00230 ftnlen i, nc;
<a name="l00231"></a>00231 <span class="keywordtype">char</span> *rp;
<a name="l00232"></a>00232 ftnlen n = *np;
<a name="l00233"></a>00233 <span class="preprocessor">#ifndef NO_OVERWRITE</span>
<a name="l00234"></a>00234 <span class="preprocessor"></span> ftnlen L, m;
<a name="l00235"></a>00235 <span class="keywordtype">char</span> *lp0, *lp1;
<a name="l00236"></a>00236
<a name="l00237"></a>00237 lp0 = 0;
<a name="l00238"></a>00238 lp1 = lp;
<a name="l00239"></a>00239 L = ll;
<a name="l00240"></a>00240 i = 0;
<a name="l00241"></a>00241 <span class="keywordflow">while</span> (i < n) {
<a name="l00242"></a>00242 rp = rpp[i];
<a name="l00243"></a>00243 m = rnp[i++];
<a name="l00244"></a>00244 <span class="keywordflow">if</span> (rp >= lp1 || rp + m <= lp) {
<a name="l00245"></a>00245 <span class="keywordflow">if</span> ((L -= m) <= 0) {
<a name="l00246"></a>00246 n = i;
<a name="l00247"></a>00247 <span class="keywordflow">break</span>;
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249 lp1 += m;
<a name="l00250"></a>00250 <span class="keywordflow">continue</span>;
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 lp0 = lp;
<a name="l00253"></a>00253 lp = lp1 = F77_aloc(L = ll, <span class="stringliteral">"s_cat"</span>);
<a name="l00254"></a>00254 <span class="keywordflow">break</span>;
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256 lp1 = lp;
<a name="l00257"></a>00257 <span class="preprocessor">#endif </span><span class="comment">/* NO_OVERWRITE */</span>
<a name="l00258"></a>00258 <span class="keywordflow">for</span> (i = 0; i < n; ++i) {
<a name="l00259"></a>00259 nc = ll;
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (rnp[i] < nc)
<a name="l00261"></a>00261 nc = rnp[i];
<a name="l00262"></a>00262 ll -= nc;
<a name="l00263"></a>00263 rp = rpp[i];
<a name="l00264"></a>00264 <span class="keywordflow">while</span> (--nc >= 0)
<a name="l00265"></a>00265 *lp++ = *rp++;
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267 <span class="keywordflow">while</span> (--ll >= 0)
<a name="l00268"></a>00268 *lp++ = <span class="charliteral">' '</span>;
<a name="l00269"></a>00269 <span class="preprocessor">#ifndef NO_OVERWRITE</span>
<a name="l00270"></a>00270 <span class="preprocessor"></span> <span class="keywordflow">if</span> (lp0) {
<a name="l00271"></a>00271 memmove(lp0, lp1, L);
<a name="l00272"></a>00272 free(lp1);
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 <span class="preprocessor">#endif</span>
<a name="l00275"></a>00275 <span class="preprocessor"></span>}
<a name="l00276"></a>00276
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="comment">/* compare two strings */</span>
<a name="l00279"></a>00279
<a name="l00280"></a>00280 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00281"></a>00281 <span class="preprocessor"></span>integer
<a name="l00282"></a>00282 s_cmp(a0, b0, la, lb)
<a name="l00283"></a>00283 char *a0, *b0;
<a name="l00284"></a>00284 ftnlen la, lb;
<a name="l00285"></a>00285 <span class="preprocessor">#else</span>
<a name="l00286"></a>00286 <span class="preprocessor"></span>integer
<a name="l00287"></a>00287 s_cmp(<span class="keywordtype">char</span> *a0, <span class="keywordtype">char</span> *b0, ftnlen la, ftnlen lb)
<a name="l00288"></a>00288 <span class="preprocessor">#endif</span>
<a name="l00289"></a>00289 <span class="preprocessor"></span>{
<a name="l00290"></a>00290 <span class="keyword">register</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *a, *aend, *b, *bend;
<a name="l00291"></a>00291 a = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) a0;
<a name="l00292"></a>00292 b = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) b0;
<a name="l00293"></a>00293 aend = a + la;
<a name="l00294"></a>00294 bend = b + lb;
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="keywordflow">if</span> (la <= lb) {
<a name="l00297"></a>00297 <span class="keywordflow">while</span> (a < aend)
<a name="l00298"></a>00298 <span class="keywordflow">if</span> (*a != *b)
<a name="l00299"></a>00299 <span class="keywordflow">return</span> (*a - *b);
<a name="l00300"></a>00300 <span class="keywordflow">else</span> {
<a name="l00301"></a>00301 ++a;
<a name="l00302"></a>00302 ++b;
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="keywordflow">while</span> (b < bend)
<a name="l00306"></a>00306 <span class="keywordflow">if</span> (*b != <span class="charliteral">' '</span>)
<a name="l00307"></a>00307 <span class="keywordflow">return</span> (<span class="charliteral">' '</span> - *b);
<a name="l00308"></a>00308 <span class="keywordflow">else</span>
<a name="l00309"></a>00309 ++b;
<a name="l00310"></a>00310 }
<a name="l00311"></a>00311
<a name="l00312"></a>00312 <span class="keywordflow">else</span> {
<a name="l00313"></a>00313 <span class="keywordflow">while</span> (b < bend)
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (*a == *b) {
<a name="l00315"></a>00315 ++a;
<a name="l00316"></a>00316 ++b;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 <span class="keywordflow">else</span>
<a name="l00319"></a>00319 <span class="keywordflow">return</span> (*a - *b);
<a name="l00320"></a>00320 <span class="keywordflow">while</span> (a < aend)
<a name="l00321"></a>00321 <span class="keywordflow">if</span> (*a != <span class="charliteral">' '</span>)
<a name="l00322"></a>00322 <span class="keywordflow">return</span> (*a - <span class="charliteral">' '</span>);
<a name="l00323"></a>00323 <span class="keywordflow">else</span>
<a name="l00324"></a>00324 ++a;
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326 <span class="keywordflow">return</span> (0);
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="comment">/* Unless compiled with -DNO_OVERWRITE, this variant of s_copy allows the</span>
<a name="l00330"></a>00330 <span class="comment"> * target of an assignment to appear on its right-hand side (contrary</span>
<a name="l00331"></a>00331 <span class="comment"> * to the Fortran 77 Standard, but in accordance with Fortran 90),</span>
<a name="l00332"></a>00332 <span class="comment"> * as in a(2:5) = a(4:7) .</span>
<a name="l00333"></a>00333 <span class="comment"> */</span>
<a name="l00334"></a>00334
<a name="l00335"></a>00335
<a name="l00336"></a>00336
<a name="l00337"></a>00337 <span class="comment">/* assign strings: a = b */</span>
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00340"></a>00340 <span class="preprocessor"></span>VOID
<a name="l00341"></a>00341 s_copy(a, b, la, lb)
<a name="l00342"></a>00342 register <span class="keywordtype">char</span> *a, *b;
<a name="l00343"></a>00343 ftnlen la, lb;
<a name="l00344"></a>00344 <span class="preprocessor">#else</span>
<a name="l00345"></a>00345 <span class="preprocessor"></span><span class="keywordtype">void</span>
<a name="l00346"></a>00346 s_copy(<span class="keyword">register</span> <span class="keywordtype">char</span> *a, <span class="keyword">register</span> <span class="keywordtype">char</span> *b, ftnlen la, ftnlen lb)
<a name="l00347"></a>00347 <span class="preprocessor">#endif</span>
<a name="l00348"></a>00348 <span class="preprocessor"></span>{
<a name="l00349"></a>00349 <span class="keyword">register</span> <span class="keywordtype">char</span> *aend, *bend;
<a name="l00350"></a>00350
<a name="l00351"></a>00351 aend = a + la;
<a name="l00352"></a>00352
<a name="l00353"></a>00353 <span class="keywordflow">if</span> (la <= lb)
<a name="l00354"></a>00354 <span class="preprocessor">#ifndef NO_OVERWRITE</span>
<a name="l00355"></a>00355 <span class="preprocessor"></span> <span class="keywordflow">if</span> (a <= b || a >= b + la)
<a name="l00356"></a>00356 <span class="preprocessor">#endif</span>
<a name="l00357"></a>00357 <span class="preprocessor"></span> <span class="keywordflow">while</span> (a < aend)
<a name="l00358"></a>00358 *a++ = *b++;
<a name="l00359"></a>00359 <span class="preprocessor">#ifndef NO_OVERWRITE</span>
<a name="l00360"></a>00360 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00361"></a>00361 <span class="keywordflow">for</span> (b += la; a < aend;)
<a name="l00362"></a>00362 *--aend = *--b;
<a name="l00363"></a>00363 <span class="preprocessor">#endif</span>
<a name="l00364"></a>00364 <span class="preprocessor"></span>
<a name="l00365"></a>00365 <span class="keywordflow">else</span> {
<a name="l00366"></a>00366 bend = b + lb;
<a name="l00367"></a>00367 <span class="preprocessor">#ifndef NO_OVERWRITE</span>
<a name="l00368"></a>00368 <span class="preprocessor"></span> <span class="keywordflow">if</span> (a <= b || a >= bend)
<a name="l00369"></a>00369 <span class="preprocessor">#endif</span>
<a name="l00370"></a>00370 <span class="preprocessor"></span> <span class="keywordflow">while</span> (b < bend)
<a name="l00371"></a>00371 *a++ = *b++;
<a name="l00372"></a>00372 <span class="preprocessor">#ifndef NO_OVERWRITE</span>
<a name="l00373"></a>00373 <span class="preprocessor"></span> <span class="keywordflow">else</span> {
<a name="l00374"></a>00374 a += lb;
<a name="l00375"></a>00375 <span class="keywordflow">while</span> (b < bend)
<a name="l00376"></a>00376 *--a = *--bend;
<a name="l00377"></a>00377 a += lb;
<a name="l00378"></a>00378 }
<a name="l00379"></a>00379 <span class="preprocessor">#endif</span>
<a name="l00380"></a>00380 <span class="preprocessor"></span> <span class="keywordflow">while</span> (a < aend)
<a name="l00381"></a>00381 *a++ = <span class="charliteral">' '</span>;
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383 }
<a name="l00384"></a>00384
<a name="l00385"></a>00385
<a name="l00386"></a>00386 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00387"></a>00387 <span class="preprocessor"></span><span class="keywordtype">float</span> f__cabs();
<a name="l00388"></a>00388 <span class="keywordtype">float</span>
<a name="l00389"></a>00389 z_abs(z)
<a name="l00390"></a>00390 <a class="code" href="structcomplex.html">complex</a> *z;
<a name="l00391"></a>00391 <span class="preprocessor">#else</span>
<a name="l00392"></a>00392 <span class="preprocessor"></span><span class="keywordtype">float</span> f__cabs(<span class="keywordtype">float</span>, <span class="keywordtype">float</span>);
<a name="l00393"></a>00393 <span class="keywordtype">float</span>
<a name="l00394"></a>00394 z_abs(<a class="code" href="structcomplex.html">complex</a> * z)
<a name="l00395"></a>00395 <span class="preprocessor">#endif</span>
<a name="l00396"></a>00396 <span class="preprocessor"></span>{
<a name="l00397"></a>00397 <span class="keywordflow">return</span> (f__cabs(z->r, z->i));
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00402"></a>00402 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keywordtype">void</span> sig_die();
<a name="l00403"></a>00403 VOID
<a name="l00404"></a>00404 z_div(c, a, b)
<a name="l00405"></a>00405 <a class="code" href="structcomplex.html">complex</a> *a, *b, *c;
<a name="l00406"></a>00406 <span class="preprocessor">#else</span>
<a name="l00407"></a>00407 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keywordtype">void</span> sig_die(<span class="keywordtype">char</span> *, <span class="keywordtype">int</span>);
<a name="l00408"></a>00408 <span class="keywordtype">void</span>
<a name="l00409"></a>00409 z_div(<a class="code" href="structcomplex.html">complex</a> * c, <a class="code" href="structcomplex.html">complex</a> * a, <a class="code" href="structcomplex.html">complex</a> * b)
<a name="l00410"></a>00410 <span class="preprocessor">#endif</span>
<a name="l00411"></a>00411 <span class="preprocessor"></span>{
<a name="l00412"></a>00412 <span class="keywordtype">float</span> ratio, den;
<a name="l00413"></a>00413 <span class="keywordtype">float</span> abr, abi;
<a name="l00414"></a>00414
<a name="l00415"></a>00415 <span class="keywordflow">if</span> ((abr = b->r) < 0.)
<a name="l00416"></a>00416 abr = -abr;
<a name="l00417"></a>00417 <span class="keywordflow">if</span> ((abi = b->i) < 0.)
<a name="l00418"></a>00418 abi = -abi;
<a name="l00419"></a>00419 <span class="keywordflow">if</span> (abr <= abi) {
<a name="l00420"></a>00420 <span class="comment">/*Let IEEE Infinties handle this ;( */</span>
<a name="l00421"></a>00421 <span class="comment">/*if(abi == 0)</span>
<a name="l00422"></a>00422 <span class="comment"> sig_die("complex division by zero", 1); */</span>
<a name="l00423"></a>00423 ratio = b->r / b->i;
<a name="l00424"></a>00424 den = b->i * (1 + ratio * ratio);
<a name="l00425"></a>00425 c->r = (a->r * ratio + a->i) / den;
<a name="l00426"></a>00426 c->i = (a->i * ratio - a->r) / den;
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428
<a name="l00429"></a>00429 <span class="keywordflow">else</span> {
<a name="l00430"></a>00430 ratio = b->i / b->r;
<a name="l00431"></a>00431 den = b->r * (1 + ratio * ratio);
<a name="l00432"></a>00432 c->r = (a->r + a->i * ratio) / den;
<a name="l00433"></a>00433 c->i = (a->i - a->r * ratio) / den;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435
<a name="l00436"></a>00436 }
<a name="l00437"></a>00437
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00440"></a>00440 <span class="preprocessor"></span><span class="keywordtype">double</span> sqrt();
<a name="l00441"></a>00441 <span class="keywordtype">double</span> f__cabs();
<a name="l00442"></a>00442 VOID
<a name="l00443"></a>00443 z_sqrt(r, z)
<a name="l00444"></a>00444 <a class="code" href="structcomplex.html">complex</a> *r, *z;
<a name="l00445"></a>00445 <span class="preprocessor">#else</span>
<a name="l00446"></a>00446 <span class="preprocessor"></span><span class="preprocessor">#undef abs</span>
<a name="l00447"></a>00447 <span class="preprocessor"></span>
<a name="l00448"></a>00448 <span class="keyword">extern</span> <span class="keywordtype">float</span> f__cabs(<span class="keywordtype">float</span>, <span class="keywordtype">float</span>);
<a name="l00449"></a>00449 <span class="keywordtype">void</span>
<a name="l00450"></a>00450 z_sqrt(<a class="code" href="structcomplex.html">complex</a> * r, <a class="code" href="structcomplex.html">complex</a> * z)
<a name="l00451"></a>00451 <span class="preprocessor">#endif</span>
<a name="l00452"></a>00452 <span class="preprocessor"></span>{
<a name="l00453"></a>00453 <span class="keywordtype">float</span> mag;
<a name="l00454"></a>00454
<a name="l00455"></a>00455 <span class="keywordflow">if</span> ((mag = f__cabs(z->r, z->i)) == 0.)
<a name="l00456"></a>00456 r->r = r->i = 0.;
<a name="l00457"></a>00457 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (z->r > 0) {
<a name="l00458"></a>00458 r->r = sqrt(0.5 * (mag + z->r));
<a name="l00459"></a>00459 r->i = z->i / r->r / 2;
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461 <span class="keywordflow">else</span> {
<a name="l00462"></a>00462 r->i = sqrt(0.5 * (mag - z->r));
<a name="l00463"></a>00463 <span class="keywordflow">if</span> (z->i < 0)
<a name="l00464"></a>00464 r->i = -r->i;
<a name="l00465"></a>00465 r->r = z->i / r->i / 2;
<a name="l00466"></a>00466 }
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468
<a name="l00469"></a>00469 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00470"></a>00470 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00471"></a>00471 <span class="preprocessor">#endif</span>
<a name="l00472"></a>00472 <span class="preprocessor"></span>
<a name="l00473"></a>00473 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00474"></a>00474 <span class="preprocessor"></span> integer pow_ii(ap, bp) integer *ap, *bp;
<a name="l00475"></a>00475 <span class="preprocessor">#else</span>
<a name="l00476"></a>00476 <span class="preprocessor"></span> integer pow_ii(integer * ap, integer * bp)
<a name="l00477"></a>00477 <span class="preprocessor">#endif</span>
<a name="l00478"></a>00478 <span class="preprocessor"></span> {
<a name="l00479"></a>00479 integer pow, x, n;
<a name="l00480"></a>00480 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> u;
<a name="l00481"></a>00481
<a name="l00482"></a>00482 x = *ap;
<a name="l00483"></a>00483 n = *bp;
<a name="l00484"></a>00484
<a name="l00485"></a>00485 <span class="keywordflow">if</span> (n <= 0) {
<a name="l00486"></a>00486 <span class="keywordflow">if</span> (n == 0 || x == 1)
<a name="l00487"></a>00487 <span class="keywordflow">return</span> 1;
<a name="l00488"></a>00488 <span class="keywordflow">if</span> (x != -1)
<a name="l00489"></a>00489 <span class="keywordflow">return</span> x != 0 ? 1 / x : 0;
<a name="l00490"></a>00490 n = -n;
<a name="l00491"></a>00491 } u = n;
<a name="l00492"></a>00492 <span class="keywordflow">for</span> (pow = 1;;) {
<a name="l00493"></a>00493 <span class="keywordflow">if</span> (u & 01)
<a name="l00494"></a>00494 pow *= x;
<a name="l00495"></a>00495 <span class="keywordflow">if</span> (u >>= 1)
<a name="l00496"></a>00496 x *= x;
<a name="l00497"></a>00497 <span class="keywordflow">else</span>
<a name="l00498"></a>00498 <span class="keywordflow">break</span>;
<a name="l00499"></a>00499 }
<a name="l00500"></a>00500 <span class="keywordflow">return</span> (pow);
<a name="l00501"></a>00501 }
<a name="l00502"></a>00502 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00503"></a>00503 <span class="preprocessor"></span>}
<a name="l00504"></a>00504 <span class="preprocessor">#endif</span>
<a name="l00505"></a>00505 <span class="preprocessor"></span>
<a name="l00506"></a>00506 <span class="preprocessor">#ifdef KR_headers</span>
<a name="l00507"></a>00507 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keywordtype">void</span> f_exit();
<a name="l00508"></a>00508 VOID
<a name="l00509"></a>00509 s_stop(s, n)
<a name="l00510"></a>00510 char *s;
<a name="l00511"></a>00511 ftnlen n;
<a name="l00512"></a>00512 <span class="preprocessor">#else</span>
<a name="l00513"></a>00513 <span class="preprocessor"></span><span class="preprocessor">#undef abs</span>
<a name="l00514"></a>00514 <span class="preprocessor"></span><span class="preprocessor">#undef min</span>
<a name="l00515"></a>00515 <span class="preprocessor"></span><span class="preprocessor">#undef max</span>
<a name="l00516"></a>00516 <span class="preprocessor"></span><span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00517"></a>00517 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00518"></a>00518 <span class="preprocessor">#endif</span>
<a name="l00519"></a>00519 <span class="preprocessor"></span><span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00520"></a>00520 <span class="preprocessor"></span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00521"></a>00521 <span class="preprocessor">#endif</span>
<a name="l00522"></a>00522 <span class="preprocessor"></span> <span class="keywordtype">void</span> f_exit(<span class="keywordtype">void</span>);
<a name="l00523"></a>00523
<a name="l00524"></a>00524 <span class="keywordtype">int</span> s_stop(<span class="keywordtype">char</span> *s, ftnlen n)
<a name="l00525"></a>00525 <span class="preprocessor">#endif</span>
<a name="l00526"></a>00526 <span class="preprocessor"></span> {
<a name="l00527"></a>00527 <span class="keywordtype">int</span> i;
<a name="l00528"></a>00528
<a name="l00529"></a>00529 <span class="keywordflow">if</span> (n > 0) {
<a name="l00530"></a>00530 fprintf(stderr, <span class="stringliteral">"STOP "</span>);
<a name="l00531"></a>00531 <span class="keywordflow">for</span> (i = 0; i < n; ++i)
<a name="l00532"></a>00532 putc(*s++, stderr);
<a name="l00533"></a>00533 fprintf(stderr, <span class="stringliteral">" statement executed\n"</span>);
<a name="l00534"></a>00534 }
<a name="l00535"></a>00535 <span class="preprocessor">#ifdef NO_ONEXIT</span>
<a name="l00536"></a>00536 <span class="preprocessor"></span> f_exit();
<a name="l00537"></a>00537 <span class="preprocessor">#endif</span>
<a name="l00538"></a>00538 <span class="preprocessor"></span> exit(0);
<a name="l00539"></a>00539
<a name="l00540"></a>00540 <span class="comment">/* We cannot avoid (useless) compiler diagnostics here: */</span>
<a name="l00541"></a>00541 <span class="comment">/* some compilers complain if there is no return statement, */</span>
<a name="l00542"></a>00542 <span class="comment">/* and others complain that this one cannot be reached. */</span>
<a name="l00543"></a>00543
<a name="l00544"></a>00544 <span class="keywordflow">return</span> 0; <span class="comment">/* NOT REACHED */</span>
<a name="l00545"></a>00545 }
<a name="l00546"></a>00546 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00547"></a>00547 <span class="preprocessor"></span> }
<a name="l00548"></a>00548 <span class="preprocessor">#endif</span>
<a name="l00549"></a>00549 <span class="preprocessor"></span><span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00550"></a>00550 <span class="preprocessor"></span>}
<a name="l00551"></a>00551 <span class="preprocessor">#endif</span>
</pre></div></div>
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