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--- sal/inc/rtl/math.h.orig 2014-02-25 08:31:58 UTC
+++ sal/inc/rtl/math.h
@@ -396,6 +396,21 @@ double SAL_CALL rtl_math_round(double fV
*/
double SAL_CALL rtl_math_pow10Exp(double fValue, int nExp) SAL_THROW_EXTERN_C();
+/** Similar to pow() with stricter exception handling for indeterminate values.
+
+ powr is specified in the IEEE 754 - 2008 Floating Point Standard.
+
+ @param fValue
+ The value to be raised.
+
+ @param fExp
+ The exponent.
+
+ @return
+ powr(fValue, fExp)
+ */
+double SAL_CALL rtl_math_powr(double fValue, double fExp) SAL_THROW_EXTERN_C();
+
/** Rounds value to 15 significant decimal digits.
@param fValue
--- sal/inc/rtl/math.hxx.orig 2014-02-25 08:31:58 UTC
+++ sal/inc/rtl/math.hxx
@@ -186,6 +186,13 @@ inline double pow10Exp(double fValue, in
return rtl_math_pow10Exp(fValue, nExp);
}
+/** A wrapper around rtl_math_powr.
+ */
+inline double powr(double fValue, double fExp)
+{
+ return rtl_math_powr(fValue, fExp);
+}
+
/** A wrapper around rtl_math_approxValue.
*/
inline double approxValue(double fValue)
--- sal/rtl/source/math.cxx.orig 2014-02-25 08:31:57 UTC
+++ sal/rtl/source/math.cxx
@@ -1113,6 +1113,19 @@ double SAL_CALL rtl_math_expm1( double f
return (fe-1.0) * fValue / log(fe);
}
+double SAL_CALL rtl_math_powr( double fValue, double fExp ) SAL_THROW_EXTERN_C()
+{
+ if ((fValue == 0.0 && fExp == 0.0) ||
+ (rtl::math::isInf( fExp ) && !rtl::math::isSignBitSet( fExp )) ||
+ (rtl::math::isInf( fValue ) && !rtl::math::isSignBitSet( fValue )))
+ {
+ double fResult;
+ ::rtl::math::setNan( &fResult );
+ return fResult;
+ }
+ return pow(fValue, fExp);
+}
+
double SAL_CALL rtl_math_log1p( double fValue ) SAL_THROW_EXTERN_C()
{
--- sal/util/sal.map.orig 2014-02-25 08:31:48 UTC
+++ sal/util/sal.map
@@ -629,6 +629,8 @@ UDK_3.12 { # AOO 3.5
global:
osl_loadAsciiModule;
osl_loadAsciiModuleRelative;
+
+ rtl_math_powr;
} UDK_3.11;
PRIVATE_1.0 {
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