1 2 // float 3 4 module rt.compiler.dmd.typeinfo.ti_float; 5 6 class TypeInfo_f : TypeInfo 7 { 8 override char[] toString() { return "float"; } 9 10 override hash_t getHash(in void* p) 11 { 12 return cast(hash_t)(*cast(uint *)p); 13 } 14 15 static equals_t _equals(float f1, float f2) 16 { 17 return f1 == f2 || 18 (f1 !<>= f1 && f2 !<>= f2); 19 } 20 21 static int _compare(float d1, float d2) 22 { 23 if (d1 !<>= d2) // if either are NaN 24 { 25 if (d1 !<>= d1) 26 { if (d2 !<>= d2) 27 return 0; 28 return -1; 29 } 30 return 1; 31 } 32 return (d1 == d2) ? 0 : ((d1 < d2) ? -1 : 1); 33 } 34 35 override equals_t equals(in void* p1, in void* p2) 36 { 37 return _equals(*cast(float *)p1, *cast(float *)p2); 38 } 39 40 override int compare(in void* p1, in void* p2) 41 { 42 return _compare(*cast(float *)p1, *cast(float *)p2); 43 } 44 45 override size_t talign() 46 { 47 return float.alignof; 48 } 49 50 override size_t tsize() 51 { 52 return float.sizeof; 53 } 54 55 override void swap(void *p1, void *p2) 56 { 57 float t; 58 59 t = *cast(float *)p1; 60 *cast(float *)p1 = *cast(float *)p2; 61 *cast(float *)p2 = t; 62 } 63 64 override void[] init() 65 { static float r; 66 67 return (cast(float *)&r)[0 .. 1]; 68 } 69 }