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Diffstat (limited to 'codecs/lpc10/f2clib.c')
-rwxr-xr-x | codecs/lpc10/f2clib.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/codecs/lpc10/f2clib.c b/codecs/lpc10/f2clib.c new file mode 100755 index 000000000..6a1e576b7 --- /dev/null +++ b/codecs/lpc10/f2clib.c @@ -0,0 +1,82 @@ +/* + +$Log$ +Revision 1.1 2000/01/05 08:20:39 markster +Version 0.1.2 from FTP + +Revision 1.2 2000/01/05 08:20:39 markster +Some OSS fixes and a few lpc changes to make it actually work + + * Revision 1.1 1996/08/19 22:32:10 jaf + * Initial revision + * + +*/ + +/* + * f2clib.c + * + * SCCS ID: @(#)f2clib.c 1.2 96/05/19 + */ + +#include "f2c.h" + +#ifdef KR_headers +integer pow_ii(ap, bp) integer *ap, *bp; +#else +integer pow_ii(integer *ap, integer *bp) +#endif +{ + integer pow, x, n; + unsigned long u; + + x = *ap; + n = *bp; + + if (n <= 0) { + if (n == 0 || x == 1) + return 1; + if (x != -1) + return x == 0 ? 1/x : 0; + n = -n; + } + u = n; + for(pow = 1; ; ) + { + if(u & 01) + pow *= x; + if(u >>= 1) + x *= x; + else + break; + } + return(pow); + } + + + +#ifdef KR_headers +double r_sign(a,b) real *a, *b; +#else +double r_sign(real *a, real *b) +#endif +{ +double x; +x = (*a >= 0 ? *a : - *a); +return( *b >= 0 ? x : -x); +} + + + +#ifdef KR_headers +double floor(); +integer i_nint(x) real *x; +#else +#undef abs +#include "math.h" +integer i_nint(real *x) +#endif +{ +return( (*x)>=0 ? + floor(*x + .5) : -floor(.5 - *x) ); +} |