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mnt: cleanup and removal of erroneous kind specifications
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SRC/la_constants.f90

Lines changed: 19 additions & 33 deletions
Original file line numberDiff line numberDiff line change
@@ -18,7 +18,7 @@
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! ==================
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!>
2020
!> Weslley Pereira, University of Colorado Denver, USA
21-
!> Nick Papior, Technical University of Denmark, DNK
21+
!> Nick Papior, Technical University of Denmark, DK
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!
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!> \par Further Details:
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! =====================
@@ -38,15 +38,14 @@
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!> \endverbatim
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!
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module LA_CONSTANTS
41-
!
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! -- LAPACK auxiliary module (version 3.9.0) --
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! -- LAPACK is a software package provided by Univ. of Tennessee, --
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! -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
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! February 2021
46-
!
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! Standard constants for
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integer, parameter :: sp = kind(1.e0)
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!
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real(sp), parameter :: szero = 0.0_sp
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real(sp), parameter :: shalf = 0.5_sp
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real(sp), parameter :: sone = 1.0_sp
@@ -60,9 +59,8 @@ module LA_CONSTANTS
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complex(sp), parameter :: cone = ( 1.0_sp, 0.0_sp )
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character*1, parameter :: sprefix = 'S'
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character*1, parameter :: cprefix = 'C'
63-
!
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! Scaling constants
65-
!
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real(sp), parameter :: sulp = epsilon(0._sp)
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real(sp), parameter :: seps = sulp * 0.5_sp
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real(sp), parameter :: ssafmin = real(radix(0._sp),sp)**max( &
@@ -74,28 +72,22 @@ module LA_CONSTANTS
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real(sp), parameter :: sbignum = ssafmax * sulp
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real(sp), parameter :: srtmin = sqrt(ssmlnum)
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real(sp), parameter :: srtmax = sqrt(sbignum)
77-
!
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! Blue's scaling constants
79-
!
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real(sp), parameter :: stsml = real(radix(0._sp), sp)**ceiling( &
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real(( minexponent(0._sp) - 1_sp ) / 2, sp) &
82-
)
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(minexponent(0._sp) - 1) * 0.5_sp)
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real(sp), parameter :: stbig = real(radix(0._sp), sp)**floor( &
84-
real(( maxexponent(0._sp) - digits(0._sp) + 1_sp) / 2, sp) &
85-
)
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(maxexponent(0._sp) - digits(0._sp) + 1) * 0.5_sp)
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! ssml = 1/s, where s was defined in https://doi.org/10.1145/355769.355771
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real(sp), parameter :: sssml = real(radix(0._sp), sp)**( - floor( &
88-
real(( minexponent(0._sp) - 1_sp ) / 2 ), sp) &
89-
)
83+
(minexponent(0._sp) - 1) * 0.5_sp))
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! ssml = 1/S, where S was defined in https://doi.org/10.1145/355769.355771
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real(sp), parameter :: ssbig = real(radix(0._sp), sp)**( - ceiling( &
92-
real(( maxexponent(0._sp) - digits(0._sp) + 1_sp) / 2 ), sp) &
93-
)
94-
!
95-
!
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(maxexponent(0._sp) - digits(0._sp) + 1) * 0.5_sp))
87+
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! Standard constants for
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integer, parameter :: dp = kind(1.d0)
98-
!
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real(dp), parameter :: dzero = 0.0_dp
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real(dp), parameter :: dhalf = 0.5_dp
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real(dp), parameter :: done = 1.0_dp
@@ -109,9 +101,8 @@ module LA_CONSTANTS
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complex(dp), parameter :: zone = ( 1.0_dp, 0.0_dp )
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character*1, parameter :: dprefix = 'D'
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character*1, parameter :: zprefix = 'Z'
112-
!
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! Scaling constants
114-
!
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real(dp), parameter :: dulp = epsilon(0._dp)
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real(dp), parameter :: deps = dulp * 0.5_dp
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real(dp), parameter :: dsafmin = real(radix(0._dp),dp)**max( &
@@ -123,22 +114,17 @@ module LA_CONSTANTS
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real(dp), parameter :: dbignum = dsafmax * dulp
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real(dp), parameter :: drtmin = sqrt(dsmlnum)
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real(dp), parameter :: drtmax = sqrt(dbignum)
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!
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! Blue's scaling constants
128-
!
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real(dp), parameter :: dtsml = real(radix(0._dp), dp)**ceiling( &
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real(( minexponent(0._dp) - 1_sp ) / 2, dp) &
131-
)
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(minexponent(0._dp) - 1) * 0.5_dp)
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real(dp), parameter :: dtbig = real(radix(0._dp), dp)**floor( &
133-
real(( maxexponent(0._dp) - digits(0._dp) + 1_sp) / 2, dp) &
134-
)
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(maxexponent(0._dp) - digits(0._dp) + 1) * 0.5_dp)
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! ssml = 1/s, where s was defined in https://doi.org/10.1145/355769.355771
136-
real(dp), parameter :: dssml = real(radix(0._dp) ,dp)**( - floor( &
137-
real(( minexponent(0._dp) - 1_sp ) / 2 ), dp) &
138-
)
124+
real(dp), parameter :: dssml = real(radix(0._dp), dp)**( - floor( &
125+
(minexponent(0._dp) - 1) * 0.5_dp))
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! ssml = 1/S, where S was defined in https://doi.org/10.1145/355769.355771
140127
real(dp), parameter :: dsbig = real(radix(0._dp), dp)**( - ceiling( &
141-
real(( maxexponent(0._dp) - digits(0._dp) + 1_sp) / 2 ), dp) &
142-
)
143-
!
128+
(maxexponent(0._dp) - digits(0._dp) + 1) * 0.5_dp))
129+
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end module LA_CONSTANTS

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