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Decimal
Floating-Point
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An additional set of functions for decimal floating-point (DFP)
is added to the z/OS XL C/C++ runtime library. These library interfaces are documented in z/OS C/C++ Run-Time Library Reference - Decimal Floating-Point Supplement (dfprtl.pdf). This support is provided with APAR PK54438.
The following Decimal Floating-Point functions are added:
| acosd32() |
atanhd32() |
remainderd32() |
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| acosd64() |
atanhd64() |
remainderd64() |
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| acosd128() |
atanhd128() |
remainderd128() |
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| acoshd32() |
__atanpid32() |
sinhd32() |
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| acoshd64() |
__atanpid64() |
sinhd64() |
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| acoshd128() |
__atanpid128() |
sinhd128() |
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| asind32() |
coshd32() |
tand32() |
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| asind64() |
coshd64() |
tand64() |
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| asind128() |
coshd128() |
tand128() |
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| asinhd32() |
erfd32() |
tanhd32() |
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| asindh64() |
erfd64() |
tanhd64() |
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| asinhd128() |
erfd128() |
tanhd128() |
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| atand32() |
erfcd32() |
tgammad32() |
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| atand64() |
erfcd64() |
tgammad64() |
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| atand128() |
erfcd128() |
tgammad128() |
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| atan2d32() |
lgammad32() |
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| atan2d64() |
lgammad64() |
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| atan2d128() |
lgammad128() |
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The following constants are added to float.h:
FLT_MAXDIG10
DBL_MAXDIG10
LDBL_MAXDIG10
To support these changes, the following update is made to z/OS Language Environment Vendor Interfaces: z/OS Language Environment Vendor Interfaces Supplement (visupp.pdf).
For more information on decimal floating-point, see the following:
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