xref: /llvm-project/clang/test/Preprocessor/fixed-point.c (revision ad49657a424db5e5979236ef5a474e93d827ab2c)
1*ad49657aSPiJoules /// Assert the fixed point precision macros according to ISO/IEC TR 18037:2008 7.18a.3 are
2*ad49657aSPiJoules /// defined when -ffixed-point is provided.
3*ad49657aSPiJoules 
4*ad49657aSPiJoules // RUN: %clang_cc1 -triple=x86_64 -E -dM -ffixed-point -x c < /dev/null | FileCheck -match-full-lines %s
5*ad49657aSPiJoules // RUN: %clang_cc1 -triple=x86_64 -E -dM -ffixed-point -x c++ < /dev/null | FileCheck -match-full-lines %s
6*ad49657aSPiJoules 
7*ad49657aSPiJoules /// These are the implementation-defined values for x86_64.
8*ad49657aSPiJoules // CHECK-DAG:#define __SFRACT_EPSILON__ 0.0078125HR
9*ad49657aSPiJoules // CHECK-DAG:#define __SFRACT_FBIT__ 7
10*ad49657aSPiJoules // CHECK-DAG:#define __SFRACT_MAX__ 0.9921875HR
11*ad49657aSPiJoules // CHECK-DAG:#define __SFRACT_MIN__ (-0.5HR-0.5HR)
12*ad49657aSPiJoules 
13*ad49657aSPiJoules // CHECK-DAG:#define __USFRACT_EPSILON__ 0.00390625UHR
14*ad49657aSPiJoules // CHECK-DAG:#define __USFRACT_FBIT__ 8
15*ad49657aSPiJoules // CHECK-DAG:#define __USFRACT_MAX__ 0.99609375UHR
16*ad49657aSPiJoules 
17*ad49657aSPiJoules // CHECK-DAG:#define __FRACT_EPSILON__ 0.000030517578125R
18*ad49657aSPiJoules // CHECK-DAG:#define __FRACT_FBIT__ 15
19*ad49657aSPiJoules // CHECK-DAG:#define __FRACT_MAX__ 0.999969482421875R
20*ad49657aSPiJoules // CHECK-DAG:#define __FRACT_MIN__ (-0.5R-0.5R)
21*ad49657aSPiJoules 
22*ad49657aSPiJoules // CHECK-DAG:#define __UFRACT_EPSILON__ 0.0000152587890625UR
23*ad49657aSPiJoules // CHECK-DAG:#define __UFRACT_FBIT__ 16
24*ad49657aSPiJoules // CHECK-DAG:#define __UFRACT_MAX__ 0.9999847412109375UR
25*ad49657aSPiJoules 
26*ad49657aSPiJoules // CHECK-DAG:#define __LFRACT_EPSILON__ 0.0000000004656612873077392578125LR
27*ad49657aSPiJoules // CHECK-DAG:#define __LFRACT_FBIT__ 31
28*ad49657aSPiJoules // CHECK-DAG:#define __LFRACT_MAX__ 0.9999999995343387126922607421875LR
29*ad49657aSPiJoules // CHECK-DAG:#define __LFRACT_MIN__ (-0.5LR-0.5LR)
30*ad49657aSPiJoules 
31*ad49657aSPiJoules // CHECK-DAG:#define __ULFRACT_EPSILON__ 0.00000000023283064365386962890625ULR
32*ad49657aSPiJoules // CHECK-DAG:#define __ULFRACT_FBIT__ 32
33*ad49657aSPiJoules // CHECK-DAG:#define __ULFRACT_MAX__ 0.99999999976716935634613037109375ULR
34*ad49657aSPiJoules 
35*ad49657aSPiJoules // CHECK-DAG:#define __SACCUM_EPSILON__ 0.0078125HK
36*ad49657aSPiJoules // CHECK-DAG:#define __SACCUM_FBIT__ 7
37*ad49657aSPiJoules // CHECK-DAG:#define __SACCUM_MAX__ 255.9921875HK
38*ad49657aSPiJoules // CHECK-DAG:#define __SACCUM_MIN__ (-128.0HK-128.0HK)
39*ad49657aSPiJoules 
40*ad49657aSPiJoules // CHECK-DAG:#define __USACCUM_EPSILON__ 0.00390625UHK
41*ad49657aSPiJoules // CHECK-DAG:#define __USACCUM_FBIT__ 8
42*ad49657aSPiJoules // CHECK-DAG:#define __USACCUM_MAX__ 255.99609375UHK
43*ad49657aSPiJoules 
44*ad49657aSPiJoules // CHECK-DAG:#define __ACCUM_EPSILON__ 0.000030517578125K
45*ad49657aSPiJoules // CHECK-DAG:#define __ACCUM_FBIT__ 15
46*ad49657aSPiJoules // CHECK-DAG:#define __ACCUM_MAX__ 65535.999969482421875K
47*ad49657aSPiJoules // CHECK-DAG:#define __ACCUM_MIN__ (-32768.0K-32768.0K)
48*ad49657aSPiJoules 
49*ad49657aSPiJoules // CHECK-DAG:#define __UACCUM_EPSILON__ 0.0000152587890625UK
50*ad49657aSPiJoules // CHECK-DAG:#define __UACCUM_FBIT__ 16
51*ad49657aSPiJoules // CHECK-DAG:#define __UACCUM_MAX__ 65535.9999847412109375UK
52*ad49657aSPiJoules 
53*ad49657aSPiJoules // CHECK-DAG:#define __LACCUM_EPSILON__ 0.0000000004656612873077392578125LK
54*ad49657aSPiJoules // CHECK-DAG:#define __LACCUM_FBIT__ 31
55*ad49657aSPiJoules // CHECK-DAG:#define __LACCUM_MAX__ 4294967295.9999999995343387126922607421875LK
56*ad49657aSPiJoules // CHECK-DAG:#define __LACCUM_MIN__ (-2147483648.0LK-2147483648.0LK)
57*ad49657aSPiJoules 
58*ad49657aSPiJoules // CHECK-DAG:#define __ULACCUM_EPSILON__ 0.00000000023283064365386962890625ULK
59*ad49657aSPiJoules // CHECK-DAG:#define __ULACCUM_FBIT__ 32
60*ad49657aSPiJoules // CHECK-DAG:#define __ULACCUM_MAX__ 4294967295.99999999976716935634613037109375ULK
61*ad49657aSPiJoules 
62*ad49657aSPiJoules // CHECK-DAG:#define __SACCUM_IBIT__ 8
63*ad49657aSPiJoules // CHECK-DAG:#define __USACCUM_IBIT__ 8
64*ad49657aSPiJoules // CHECK-DAG:#define __ACCUM_IBIT__ 16
65*ad49657aSPiJoules // CHECK-DAG:#define __UACCUM_IBIT__ 16
66*ad49657aSPiJoules // CHECK-DAG:#define __LACCUM_IBIT__ 32
67*ad49657aSPiJoules // CHECK-DAG:#define __ULACCUM_IBIT__ 32
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