Add 2007 copyrights in a few more .pl files that

[perl5.git] / numeric.c

diff --git a/numeric.c b/numeric.c
index 0f353cf..6720726 100644 (file)
--- a/numeric.c
+++ b/numeric.c
@@ -1,7 +1,7 @@
 /*    numeric.c
  *
  *    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- *    2000, 2001, 2002, 2003, 2005 by Larry Wall and others
+ *    2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -30,6 +30,7 @@ values, including such things as replacements for the OS's atof() function
 U32
 Perl_cast_ulong(pTHX_ NV f)
 {
+    PERL_UNUSED_CONTEXT;
   if (f < 0.0)
     return f < I32_MIN ? (U32) I32_MIN : (U32)(I32) f;
   if (f < U32_MAX_P1) {
@@ -48,6 +49,7 @@ Perl_cast_ulong(pTHX_ NV f)
 I32
 Perl_cast_i32(pTHX_ NV f)
 {
+    PERL_UNUSED_CONTEXT;
   if (f < I32_MAX_P1)
     return f < I32_MIN ? I32_MIN : (I32) f;
   if (f < U32_MAX_P1) {
@@ -66,6 +68,7 @@ Perl_cast_i32(pTHX_ NV f)
 IV
 Perl_cast_iv(pTHX_ NV f)
 {
+    PERL_UNUSED_CONTEXT;
   if (f < IV_MAX_P1)
     return f < IV_MIN ? IV_MIN : (IV) f;
   if (f < UV_MAX_P1) {
@@ -85,6 +88,7 @@ Perl_cast_iv(pTHX_ NV f)
 UV
 Perl_cast_uv(pTHX_ NV f)
 {
+    PERL_UNUSED_CONTEXT;
   if (f < 0.0)
     return f < IV_MIN ? (UV) IV_MIN : (UV)(IV) f;
   if (f < UV_MAX_P1) {
@@ -100,22 +104,6 @@ Perl_cast_uv(pTHX_ NV f)
   return f > 0 ? UV_MAX : 0 /* NaN */;
 }
 
-#if defined(HUGE_VAL) || (defined(USE_LONG_DOUBLE) && defined(HUGE_VALL))
-/*
- * This hack is to force load of "huge" support from libm.a
- * So it is in perl for (say) POSIX to use.
- * Needed for SunOS with Sun's 'acc' for example.
- */
-NV
-Perl_huge(void)
-{
-#   if defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
-    return HUGE_VALL;
-#   endif
-    return HUGE_VAL;
-}
-#endif
-
 /*
 =for apidoc grok_bin
 
@@ -514,9 +502,10 @@ bool
 Perl_grok_numeric_radix(pTHX_ const char **sp, const char *send)
 {
 #ifdef USE_LOCALE_NUMERIC
+    dVAR;
     if (PL_numeric_radix_sv && IN_LOCALE) { 
         STRLEN len;
-        const char* radix = SvPV(PL_numeric_radix_sv, len);
+        const char * const radix = SvPV(PL_numeric_radix_sv, len);
         if (*sp + len <= send && memEQ(*sp, radix, len)) {
             *sp += len;
             return TRUE; 
@@ -559,7 +548,7 @@ int
 Perl_grok_number(pTHX_ const char *pv, STRLEN len, UV *valuep)
 {
   const char *s = pv;
-  const char *send = pv + len;
+  const char * const send = pv + len;
   const UV max_div_10 = UV_MAX / 10;
   const char max_mod_10 = UV_MAX % 10;
   int numtype = 0;
@@ -781,7 +770,7 @@ S_mulexp10(NV value, I32 exponent)
 
 #if ((defined(VMS) && !defined(__IEEE_FP)) || defined(_UNICOS)) && defined(NV_MAX_10_EXP)
     STMT_START {
-       NV exp_v = log10(value);
+       const NV exp_v = log10(value);
        if (exponent >= NV_MAX_10_EXP || exponent + exp_v >= NV_MAX_10_EXP)
            return NV_MAX;
        if (exponent < 0) {
@@ -819,6 +808,7 @@ Perl_my_atof(pTHX_ const char* s)
 {
     NV x = 0.0;
 #ifdef USE_LOCALE_NUMERIC
+    dVAR;
     if (PL_numeric_local && IN_LOCALE) {
        NV y;