Lack of fabsf on Solaris (patch included)

Andrew Haley aph@redhat.com
Thu Jan 25 06:11:00 GMT 2001


Cedric Berger writes:
 > This could suggest a more efficient code, if the compiler is smart
 > enough to keep x in a register:
 > 	
 > jfloat java::lang::Math::abs(jfloat x)
 > {
 > return *((uint32_t *)&x) ^ 0x80000000U;
 > }
This isn't legal C. You're accessing an lvalue through an lvalue of a
different type. Use a union if you need to do this.
Andrew.


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