eina: add macros for determining whether floats are nonzero
this is a commonly-used functionality, so make it faster to write @feature
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@ -78,6 +78,15 @@ EAPI Eina_Bool eina_flteq(float a, float b);
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*/
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#define EINA_FLT_CMP(a, b) (fabsf((float)a - (float)b) <= FLT_EPSILON)
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/**
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* @brief Determine if a float is nonzero
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* @param a The float
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*
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* @return @c true if float is nonzero
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* @since 1.19
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*/
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#define EINA_FLT_NONZERO(a) (!EINA_FLT_CMP((a), 0.0))
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/**
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* @brief Safe comparison of double
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* @param a First member to compar
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@ -87,6 +96,15 @@ EAPI Eina_Bool eina_flteq(float a, float b);
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*/
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#define EINA_DBL_CMP(a, b) (fabs((double)a - (double)b) <= DBL_EPSILON)
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/**
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* @brief Determine if a double is nonzero
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* @param a The double
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*
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* @return @c true if double is nonzero
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* @since 1.19
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*/
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#define EINA_DBL_NONZERO(a) (!EINA_DBL_CMP((a), 0.0))
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/**
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* @}
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*/
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