diff options
Diffstat (limited to 'gcc/fortran/arith.c')
| -rw-r--r-- | gcc/fortran/arith.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/fortran/arith.c b/gcc/fortran/arith.c index b4041a6..30957b5 100644 --- a/gcc/fortran/arith.c +++ b/gcc/fortran/arith.c @@ -87,7 +87,7 @@ int gfc_index_integer_kind; We first get the argument into the range 0.5 to 1.5 by successive multiplications or divisions by e. Then we use the series: - ln(x) = (x-1) - (x-1)^/2 + (x-1)^3/3 - (x-1)^4/4 + ... + ln(x) = (x-1) - (x-1)^2/2 + (x-1)^3/3 - (x-1)^4/4 + ... Because we are expanding in powers of (x-1), and 0.5 < x < 1.5, we have -0.5 < (x-1) < 0.5. Ignoring the harmonic term, this means @@ -179,7 +179,7 @@ common_logarithm (mpf_t * arg, mpf_t * result) x = Nln2 + r - Then we obtain exp(r) from the McLaurin series. + Then we obtain exp(r) from the Maclaurin series. exp(x) is then recovered from the identity exp(x) = 2^N*exp(r). */ @@ -266,7 +266,7 @@ exponential (mpf_t * arg, mpf_t * result) x= N*2pi + r - Then we obtain sin(r) from the McLaurin series. */ + Then we obtain sin(r) from the Maclaurin series. */ void sine (mpf_t * arg, mpf_t * result) @@ -1173,7 +1173,7 @@ gfc_arith_neqv (gfc_expr * op1, gfc_expr * op2, gfc_expr ** resultp) /* Make sure a constant numeric expression is within the range for - it's type and kind. Note that there's also a gfc_check_range(), + its type and kind. Note that there's also a gfc_check_range(), but that one deals with the intrinsic RANGE function. */ arith |